I watch KZread daily, I have seen every type of video you can think of. In my opinion this channel is one of the most informative and professionally put together channel's on KZread. Does anyone agree?

@joshuaarellano6600

4 жыл бұрын

I do for sure.

@schvanger

4 жыл бұрын

i have three degrees in mechanical engineering from MIT and I agree.

@STriderFIN77

4 жыл бұрын

someone just some days ago told that This channel is must to watch, i agree

@Grewyd

4 жыл бұрын

You need to watch dude who go to the jungle and do everything from scratch.That was awesome too.I forgot the name of channel.

@benpoole9505

4 жыл бұрын

@@Grewyd do you mean Primitive technology?

There's nothing quite like seeing something clearly in the flesh. The way those test rods failed, and the picture perfect grain patterns across the breaks - exceptional. One of the best youtube videos I've ever seen, if not the.

@Clickspring

4 жыл бұрын

Thanks Mitch, terrific to have you watching :)

I love how the ringing sound of the rods breaking go higher and higher pitched signifying the material hardness change.

@Clickspring

6 жыл бұрын

I was so glad that came up on the audio too!

@TjallingBlackCat

6 жыл бұрын

Thanks for bringing that up; I totally missed that the first time around!

@PeteBrubaker

6 жыл бұрын

I was hoping someone else caught that. The pitch difference was amazing!

@dm8264

6 жыл бұрын

Yea, I noticed that also. So cool!

Seeing that crossection of the snapped rods was just awesome. I've never really looked into case hardening before, I have uses for this. Great video

@Clickspring

6 жыл бұрын

Thank you Ben :)

@kirkyd123

6 жыл бұрын

I agree. I had an involuntary jaw drop looking at the cross sections :)

@catohallstensen7533

5 жыл бұрын

What carbon content in % will you get from this process? And will it always be the same?

@Stormrunner0002

5 жыл бұрын

I was wondering NHIL, what would be the effect on black powder, if it was made with leather char.

@zuthalsoraniz6764

3 жыл бұрын

One thing that is fascinating to me is how sharp the transition is. If it were a simple diffusion process, I'd expect a much smoother gradient, with no sharp line visible. I am no metallurgist, but what I guess might be happening is that the reaction from austenite to martensite is the rate-limiting step here, with the diffusion of carbon through the already-formed martensite being a lot faster.

Chris, watching this took me straight back to my mechanical engineering metallurgy/materials science class. The difference is I learned more about carburizing from your video than I did from a PhD metallurgist professor. Excellent presentation!

@Clickspring

6 жыл бұрын

Ha ha! Thank you mate!

@MaxMakerChannel

6 жыл бұрын

Same here! Metallurgy was such a complex field of study. Every metal composition has its own charts and behaviour. There are also so many different effects happening at different temperatures and different material concentrations.

@Justplanecrazy25

6 жыл бұрын

Thomas Utley Seriously! I remember basically looking at charts and atomic structures the whole time! This video brought far more clarity to carburizing over any diagram or text book.

@martinjelund9183

6 жыл бұрын

I felt the exact same way looking back to my engineering classes. Keep making these great videos!

@Zamolxes77

6 жыл бұрын

No shit, I subscribe to that, it took me months to understand the carburizing process back in college and how martensite forms, you explain it so well in 5 minutes. Comes to prove nothing is hard to learn, as long as you have a dedicated teacher that knows how to present the fucking information in an optimized way for easy assimilation. Learned more from several videos of blacksmiths on youtube than in 2 years of material study in college.

In the late 50's Metal Work class I took in High School, we made screwdrivers from mild steel and then case hardened the blade by dipping it into some white paste, heating it and then tempering it to a straw colour. That's all I ever learned until today's fantastic lesson. Now I can repeat the basic case hardening process and make my own leather-stitching needles. Thank You!!

@Clickspring

6 жыл бұрын

Great to have you watching mate :)

Absolutely the best channel there is on KZread, hands down...

@vindawg101

6 жыл бұрын

primitive technology is pretty dope too

@ScottyBennitone

6 жыл бұрын

no doubt.

@lordchickenhawk

6 жыл бұрын

I'd love to see a "Primitive Technology"/"Clickspring" collaboration video

@vindawg101

6 жыл бұрын

Especially since they are both in Australia.

@asherdie

6 жыл бұрын

Joe Sax you obviously haven't seen AvE

It is no wonder that blacksmithing were looked upon as magicians in the ancient world. Imagine the wonder that must have surrounded the blacksmiths shop when he was able to take salt flour and charcoal and produce a sword that would annihilate the bronze weapons that were also in use. No wonder blacksmiths were guarded and protected by the communities that had them, and often the object of kidnapping by communities that didn’t. Really, really excellent work. I am really enjoying this series of YTs. Thank you for taking the time to produce them.

You are far better than most tv shows available. Thanks for your very hard work.

@Clickspring

6 жыл бұрын

Thank you Julio, I appreciate your encouragement mate :)

@robertostman2075

6 жыл бұрын

yea I agree it's hard to compare..., stargate is one of my favorites, but that's mostly fantasy... and clickspring is the real deal... hey Mr click spring, check my channel, where I have added some tips to save money, these may come handy one day..

@ladislavlinhart8970

6 жыл бұрын

S op nm

@shonaoneill5151

5 жыл бұрын

Nah mate, there is nothing on TV that could compare to this. That is a guess as I don't watch television anymore, I used to as a kid, but there is nothing but rubbish on nowadays. Besides the fact I have very little time to invest in becoming a professional couch potato 😂

I love how blasé Chris is..."I've made a set of hand-cut files...", like it's something you do of an afternoon when you're bored and have a couple of hours on your hands. Those files look awesome, mate - really nice, fine work there. ☺

@leonardpearlman4017

5 жыл бұрын

It's astounding, really. He makes it seem so reasonable! If I made ONE FILE and it worked, I'd be ready to retire, I'd be showing to people for the rest of my life!

@jdlestina3882

2 жыл бұрын

Really. He's like "Let me show you how to boil water so that you too can make oatmeal or hardboiled eggs." 😊

@skilletborne

3 ай бұрын

It's something that I do Not the files yet, but I've been a tinkerer and maker all my life, and I can see myself doing this same project in my home forge

Austenite, martenite... I remember this from school. There's a whole complicated steel diagram but never during my school years have I seen such straightforward demonstration like here, with the four differently tempered pieces next to each other.

If KZread is a river, then this channel is a gold nugget.

Been years i’ve been looking for information on how to harden mild steel (basically add carbon). Never been able to find a complete information. This video is gold. Thanks a lot. Subscribed.

I have to come back and say thanks again for this video. I've used this process several times now to harden some train spike knives and I just did a rather large axe head! :D Your videos are just excellent.

I never stop seeing this video never getting bored of it .

Cracking the clay open is so satisfying!

This is one of my absolute favorite channels on all of KZread! - High production quality - Concise information delivery - Provision of plans used - Unique content and projects Your content is gold, my friend. I am very happy that I found your channel!

@Clickspring

6 жыл бұрын

Terrific to have you watching mate :)

I cannot believe you don’t have more than a million subscribers. You’re brilliant. Our community thanks you.

I have no knowledge of any of this, but its nice to listen too while im eating. Good stuff.

Martensite...wonderful explanation. Most enjoyable demonstration. Thank you kindly, good Sir.

This is the best explanation (and practical demonstration) of steel hardening I have ever seen. Makes perfect sense. I read somewhere that Ned Kelly used a crude form of hardening for his armour by heating in a fire to add carbon.

@Clickspring

6 жыл бұрын

Now that would be a good video... Great to have you watching mate :)

Multiple times since I've been in school for engineering I've thought, "man, am I even grasping anything that's going on?" Then I see videos like this, or conversations that I take part in, where I actually understand what's going on. Feels good to know I'm learning, even if it feel like I'm not sometimes

@Clickspring

6 жыл бұрын

Great to have you watching Weston :)

@ Clicckspring Many thanks, it's absolutely the cheapest, simplest and safest method for case hardening the small custom chisels, gouges and others steel tools I use in my jewelry work.

I could watch your videos non-stop this is the best channel on KZread

So long i have been waiting for a perfect and a well explained video of introduction carbon (carburizing) mild steel... Thank you very much for this beautiful video!

@Clickspring

6 жыл бұрын

So pleased you enjoyed it mate :)

@yodebdut

6 жыл бұрын

I have one more question can a knife made of mild steel be through hardened like this?

Truly intriguing videos, I find myself sitting with my mouth wide open looking at all the amazing stuff you do and the way you present it. Keep it up, can't wait for the next video in line!

@Clickspring

6 жыл бұрын

Thank you mate, more on the way :)

The professor they all wanted to have. You are the divulgator of knowledge for excellence. I'm touched. Thank you

This was amazing to see! The center of the rods with the times and what you used to achieve this was absolutely reviling ! As a beginning blacksmith I learned a lot ! thank you for posting this.

Very interesting. I love all of your videos, and especially this one!

@Clickspring

6 жыл бұрын

Thanks very much Ben :)

This hands is down,worth the wait for!QUALITY CONTENT

@MaxMakerChannel

6 жыл бұрын

limbofence Unfortunately those channels with the cheap content get most of the clicks.

@robertostman2075

6 жыл бұрын

well, I tend to agree, having said this, I suggest to take a look at my channel, where I have started to upload videos, I have already uploaded a tutorial for those spanish speakers regarding the use of the 3d modeling software named Rhino... I have also uploaded a few videos in english.... and I most say it seems like most of my videos will be in english... so don't get discouraged by the foreign language of the tutorial...

The time, labor, and research that this project required, boggles the mind. I am in awe.

@Clickspring

6 жыл бұрын

Terrific to have to have you watching mate :)

I started looking at the Antikythera mechanism and how you made it. Now I'm watching a video about hardening your own files... I must say your videos are highly addictive and that you've gone through a tremendous amount of work in order to make this machine with tools and methods available to the old greeks.

This was a key way if making armor defeating arrow heads and spear tips. Good video.

@dbmail545

4 жыл бұрын

Also used to surface harden wrought iron steel swords.

Woooooo clickspring uploaded a video!!!! Now I don't have to watch the clock series for the 5th time. Awesome video!

Your level of commitment to this project is astonishing.

What an historical lesson of tools ! Applauses and callback. Thank you very much indeed.

The files are part cow now

@Clickspring

6 жыл бұрын

Yes different from the udder ones I use...

@Yonatan24

6 жыл бұрын

These comments always put me in a good moooooood

@Clickspring

6 жыл бұрын

should we milk this?

@Yonatan24

6 жыл бұрын

Chris, any type of mooooovie that you film is interesting!

@doubledarefan

6 жыл бұрын

That would be a good moooove.

One of the key tool technologies that needs to be explored around the Antikythera mechanism is the simple hand held file. So this is the second of 2 Fragment videos relating to the making and hardening of a set of custom files, using materials and processes consistent with the period. Thanks for watching! The first video where I make the files can be found here: kzread.info/dash/bejne/hYOrm7mqfbKumqQ.html

@nachtdiertje1972

6 жыл бұрын

Wow, great videos as usual, but where do you get the new items? Every vid is a new subject and with firm background, but still interesting. I love your technique(s) and the way you show them.

@fredrik.larsen

6 жыл бұрын

This is really superb stuff. Thank you so much for sharing :) I love the nerdy details.

@AemilianaRosewood

6 жыл бұрын

Clickspring about ur clickspring fire piston, didnt u make an exact video like that before?! And what's up with this channel and make channel? Ur the same persons

@Kineth1

6 жыл бұрын

@Toast 4 Unicorn KZread tells me that I already watched the fire piston video, so I'm guessing he republished it in coordination with the patreon discount for it.

@MrShadowRabbit

6 жыл бұрын

This was really a great vid! lots of info, explained in an easy way to understand. I'm a gold smith and diamond setter from South Africa. I'm having trouble finding good quality tools. Planing on making a lot of my own hand tools. Thanks for posting this. It's going to be really help ful. BTW great job on those files!

I have always been fascinated by how the tools are made that make the tools. This channel is quite the resource for anyone interested in iron-age technology.

Click it didn't dawn on me what tools would be required for this project. It makes perfect sense to approach this as they would have. Very impressive. Su Amigo Siempre

@Clickspring

6 жыл бұрын

Thank you mate :)

Based on the 1/4" rods you can basically make a chart to determine the length of time needed to heat vs thickness of any piece that you are working on in order to achieve the desired depth of carbonation. It's almost a better science than today's method for heat treating. Assuming that your layer of carbon and the layer of clay are always the same thickness...

This was absolutely amazing. Again. And the hammer hitting the clay... mmmyees!!

@Clickspring

6 жыл бұрын

and cracking them open really was as much fun as it looks! Great to have you watching mate :)

Staggering video. You have explained the basics in just 8.47. In a way that everyone can understand. Thank you.

When I watching your video I want to be a blacksmith.. Your videos are stunning with high image quality. Thank you

This is amazing! How did people in the past figure this stuff out!?!? They were certainly not dumb as we like to pretend they were.

@robertbackhaus8911

6 жыл бұрын

Certainly not dumb - but the start would have been the observation that iron heated for a long time in a charcoal fire - something that would happen as a matter of course - becomes hard and brittle when quenched. Wrapping it in a charcoal paste and heating it in different ways would then be an obvious experiment. Just like Wrapping it in clay could have started as a way to stop the paste from burning off.

@jaky3

6 жыл бұрын

People have been very, very smart for a very long time. think of ancient greeks who thought up mathematics from thin air, of the theorems every single person uses in school and beyond to this day. How arriving at some solution requires you to use Pythagora's theorem for example. It's around 2500 year old concept. It's only the combined human knowledge that the smart persons of today push the boundaries further. They aren't necessarily any smarter at all, just have more information available. Standing at the shoulders of giants.

@Zamolxes77

6 жыл бұрын

If you take an ancient greek human and compare the IQ with a modern human, it would be identical. Our Ancestors from 4,000 years ago were completely identical to us, only difference perhaps would be some enzyme in the gut. If you were to take an infant from 4,000 years ago, bring him to the present and teach him, it would turn out no different than any of us. The only difference is education. With modern tools we can condense information and we know more about stuff, thanks to the inventivity and experimentation of our ancestors.

@simonhopkins3867

6 жыл бұрын

Probably smarter than people today. Idiocracy is real ;-)

@leonardpearlman4017

5 жыл бұрын

It might have taken ten thousand years!

I had foolishly thought the Antikythera videos would not be as entertaining and educational as the clock build videos.... silly me :( Super work Chris- well done mate!

Even the infomercial for the Clickspring Fire Starter was fascinating!

This video is such a eyeopener for every craftsperson .... love this channel

So. Awesome.

@Clickspring

6 жыл бұрын

Thank you mate!

Three videos on the same day!? I must be dreaming :D

You are one very interesting, skilled, dedicated, ingenuitive and intelligent individual. I always enjoy your videos. Nice work!

@benemeth

6 жыл бұрын

Awesome video by the way. It was very interesting and a real pleasure to watch.

@Clickspring

6 жыл бұрын

Cheers mate, appreciate you tuning in :)

You make the best videos on KZread. No hyperbole.

Watching this project I got to say that I care way more about the way it could be (and most likely was) done than the project itself. I often ask myself what could be done without all the benefits of modern civilization.

Question! If you were worried about air why did you make a loose fit in the clay with a broomstick then drop the carbon wrapped file into it. It's isolated from the fire but is just bouncing around in that space full of gas. Wouldn't it been better to roll clay around the file tightly, no gap? I'm sure there's a reason why not. Thanks!

@Clickspring

6 жыл бұрын

Space is required to permit expansion of the metal without cracking, the airtight seal is required to ensure that the carbon monoxide reaction remains in equilibrium - thanks for watching and asking :)

@superdau

6 жыл бұрын

Compared to the carbon wrap there's almost no oxygen in the cavity around it. There's no problem if a little bit of the carbon burns. It uses up most of the oxygen immediately, then the reaction stays at a steady state.

@gregfeneis609

6 жыл бұрын

Perhaps could purge the clay cavity with CO2 or some such before sealing up?

@jasondoe2596

6 жыл бұрын

Greg Feneis, why? Some carbon will burn with the oxygen and turn into the very same CO2 (and CO ;)

You make the most professionally produced, informative videos I have seen on KZread, the video photography is exquisite and narration and content captivating. I can think of many more superlatives to throw into this comment but I will just end it with a thank you.

You turned cow into file. A+ would watch again.

This was very cool. Subscribed :) I am curious what purpose the salt has in the carbon-mixture.

@Clickspring

6 жыл бұрын

I am too - The old texts are clear that common salt (NaCl) is essential for success, but are silent on its precise purpose. My guess is that it acts as a catalyst for the CO reaction, but I have no evidence to support that guess :)

@sorushflummi411

Жыл бұрын

@@Clickspring Super aAmazing Video and Great Insights!! I had the same Question, can You test it? Doing the same Process with varying Amounts of Salt? Also for the Carbon Source probably any Carbon can be used?

That grain structure is quite large. I would recommend normalizing 2-3 times before quenching. The carbon will remain in the steel in this quick process and would greatly improve structure.

@rich1051414

6 жыл бұрын

He was not making a modern file, but an ancient representation of files they would be using. AFAIK, tempering is the only normalization that was performed back then.

@nickwoo2

6 жыл бұрын

Richard Smith i do not believe tempering does anything to the grain. I'll have to check on that but still we can use out knowledge of normalizing to make a better tool even of it is old style .

@D-Vinko

4 жыл бұрын

@@nickwoo2 His intention was never to make a better tool, it was entirely about the abilities of the ancients. Ancient people didnt understand the complexities of normalization; they just knew that heating metal to a certain color, and treating it a certain way, caused it to get hard and brittle, or soft and malleable. His intention is to discover how they made such a fine and complex machine using only their ancient knowledge.

making tools yourself is amazing make videos like this

Now i know what to do to the scrap leather from the shoe factories nearby. Thanks for the idea and inspiration.... now, its time for the perspiration. Keep up the top rate videos.

How to get a subscriber, be like this dude. Legend, and an Aussie!

You're a genius! I've been looking all over for such a process as this! Does it have to be charred leather or could I use any source of carbon? I've got a lot of dry palm fronds.

Jesus Christ mate. You make tools to make tools to make an old clock thing? There is soo much detail and authenticity involved. You even used period correct tool, techniques and methods to make these stuff. That antikythera you're making should belong in a museum mate. Even you videos are really high quality. Hats off... Easily one of the best channels on youtube. Its a shame you should be getting paid more from views on youtube.

@Clickspring

6 жыл бұрын

Terrific to have you watching mate :)

cracking open those clay casings must be so satisfying

Nice video. What is the purpose of salt in the mix?

what is the significance of heating the completed files to a straw color and a blue color on the back end?

@Clickspring

6 жыл бұрын

It tempers the very brittle steel back to something that will survive the force of cutting. If I left them full hard, they would very rapidly chip and become blunt - thanks for watching and asking :)

@cojones8518

6 жыл бұрын

Just to add, different oxides form on the surface of steel at different temperatures. It's an ancient way to gauge temperatures. Tempering softens the steel based on how hot you heat it. Yellow/straw is formed at a low temp ~200C, so it won't soften the steel much. Blue and Purple form at hotter temps ~300-350C and will soften the steel quite a bit.

@fisharmor

6 жыл бұрын

The tang is heated blue because it's the interface with the user and experiences more flexing stress than other parts of the tool. It's made as soft as possible because it doesn't need to be hard, and softening it will make sure that undue stress will bend it prior to snapping it. Knife and sword tangs are done the same way.

@JeepTherapy

6 жыл бұрын

I thought it just allowed for the atoms to rearrange themselves so that they're not clustered on the atomic level. That would later cause microscopic fractures and break?

@D-Vinko

4 жыл бұрын

@@JeepTherapy You are thinking of Nornalizing, which is bringing the metal up to a more critical temperature, then allowing it to cool in air. This causes the metal to "relax", as it were. Tempering, more or less, is normalizing on a very small scale. Bringing the temperature up to a far lower temperature, then allowing it to cook in air, normalizing it very very minimally, which relaxes some of the tightness caused by hardening.

Case Hahdened Production. Mighty Fine. Thank You.

This video was very educational. I always knew about carburisation but first time I understood how it really works after seeing those martensite rings. Thank you for your efforts.

so interesting

Ah, the ole's file inside the cake trick. Do prison guard's still fall for this?

Awesome video! The fact that these techniques were known so long ago blows my mind.

Tried this method for case hardening a mild steel chasing hammer head I made, worked a treat! I used a steel box instead of a clay crucible, and fired it in an electric kiln for about an hour at 900°c. I used leather charcoal made from an old pair of work boots, it's definitely got a different texture to wood charcoal, though I couldn't say how the difference effects the hardening process. Love the old tech methods, thanks for sharing!

Awesome video, as always =D A question: what kind of clay is the white clay that you used for the other shell? It's looks very nice and malleable.

@Clickspring

6 жыл бұрын

I used this clay: shop.walkerceramics.com.au/AA21/Feeneys-White-Stoneware-~10kg-NEW/pd.php I don't have any experience to compare, but it performed the task well :)

@UtubeEric12345

6 жыл бұрын

Clickspring Great, thanks mate!

Interesting formulation for the carbon - source - never seen or tried that one. usually use a mix of charcoal and bone meal I think it is. Yours certainly seem super effective. That was a great demo.

@dekonfrost7

4 жыл бұрын

ChrisB257 the bone meal ads phosphorus

The ingenuity of mankind. Simply outerwordly.

I was taught a very old school way to reharden the frizzen of a flintlock rifle when I was very young. I was told to take chicken or deer bones, crush them into a powder, clean the frizzen of all the grease or blind that remained, make a heavy leather bag that is big enough to hold the frizzen and keep the bone powder completely encasing the frizzen, tie the bag closed and then make a ball of clay or thick mud wih the bag in the middle. Let it dry and then place it in the hottest part of the campfire before you cook dinner, after dinner was done and cleaned up (at least an hour) take it out and quickly smash the pottery ball and on the bank of a stream by cracking it open between 2 rocks at the waters edge and make sure the frizzen gets into the water immeadiately, then fish the frizzen out and it would be hard. I was warned that you could break the frizzen if it was roughly handled before you could set it on the edge of the campfire and let the rest of the frizzen turn blue but the face couldn't be discolored at all. He never mentioned cleaning the scale off but figured it out quick the first time I tried it.

So could you basically use this dark coloured clay the way you used it to get high carbon steel for knifemaking out of a normal flat bar of soft steel? Hope you understand what I mean. Sorry if this is a dumb question, but I have absolutely no clue about metalworking but want to learn it step by step.

@Clickspring

6 жыл бұрын

You could, but as good as the results were for the ancient world, today you'll get a much better result for knifemaking with the modern alloy steels - thanks for watching and asking :)

@PastenTube

6 жыл бұрын

Thanks for answering my question :)

Why leather charcoal instead of wood? Also, could you take a small item and do the process for say 120 - 150 minutes. Would that completely convert it to steel?

@calicodan1556

6 жыл бұрын

Tim Fox Uniformity of carboni think. Leather has been processed to be pretty much all one material (fibourous skin structures) whereas wood contains many more materials, lignin, cellulose etc

@Clickspring

6 жыл бұрын

Its hard to be sure on this Tim - Animal based charcoal is specified in all of the old texts that I tracked down, but the actual reason for using it in preference to simple wood charcoal is not specified. Color case hardening of gun parts uses animal based charcoal too, and apparently the use of wood charcoal attenuates the color effect - so it would appear that there's a lot more going on in the chemistry than is immediately apparent - thanks for watching and asking mate :)

@CorwynGC

6 жыл бұрын

Clickspring Perfect charcoal would be 100% carbon. grinding is going to remove any large scale structure that might be different. Still confused.

@matman7546

6 жыл бұрын

CorwynGC ya it doesn't make sense. Ground up carbon is ground up carbon

@simon_far

6 жыл бұрын

except it isn't pure carbon, everything has impurities, apparently the impurities in animal-based carbon work better than the impurities in plant-based carbon.

This is fantastic! The quality of production the information imparted all first class!

I wish all public education was delivered as well as your videos. Maybe they can be, it’s only a question of resources. Thanks for the inspiration Chris and done with style too.

@Clickspring

6 жыл бұрын

Thank you mate :)

What if you made bread from that carbon flour dough?

@skunkjobb

3 жыл бұрын

That would be a high carbon diet :-)

man, the last time I was this early, I had to be kept in an incubator for a month...

@TorbTorb

4 жыл бұрын

Haha good one

this must have been a fun one to do on a wintery night watching the flames flicker and enjoying the warmth of the fire

@Clickspring

6 жыл бұрын

It really was! thanks for watching :)

I was wondering you heat treated the files. This is the best channel on You Tube.

@Clickspring

6 жыл бұрын

Terrific to have you watching John :)

I bet you can make great sausage rolls.

@sandervanduren2779

6 жыл бұрын

goose183 as in Worstenbroodjes?

@goose300183

6 жыл бұрын

Yes, similar to that. Ours here in the UK do not have bread or yeast though, just pastry. The way he prepares the case-hardening samples from 3:00 onwards reminds me of them.

@sandervanduren2779

6 жыл бұрын

goose183 that sounds pretty good. Is it a flaky pastry?

Why add salt?.

@Clickspring

6 жыл бұрын

As best as I can tell, its a catalyst for the CO reaction, but I haven't been able to track down a definitive answer on that yet - thanks for watching and asking Mathew :)

@robertbackhaus8911

6 жыл бұрын

My thought is that salt is used in cooking to improve the structure of dough - which is what you make with flour and water. So it makes sense that it would have been added at some time to stop the paste from cracking. It probably then was found to improve the hardening.

@superdau

6 жыл бұрын

I know as a kid we sometimes made "play dough" out of flour, salt and water. When left to dry it went hard and could even be painted. So maybe it's mostly used for its shaping properties? (and flour sure doesn't hurt when you want carbon around)

Intonasi suara yang ramah. Sangat informatif. Detail dan berurutan. Memberi keyakinan. Pekerjaan sulit jadi tetasa mudah 😁

The quality of your video's is outstanding.

at last someone showing how case hardening works and its history very well done thank you very much

You sir are a metallurgy wizard, Bravo.

This is the best case hardening video I have seen. Thank you for this very helpful video. I love your projects!

Very cool to see the inside of the rods.

Another high-quality production video with high-quality content. Congratulations, Chris!

@Clickspring

6 жыл бұрын

Thanks very much Charlton :)

Breaking the hot clay out looks so so satisfying

Outstanding Chris!! This is the first time I see someone talking about case hardening and actually disclosing the method, materials and proportions in a clear easy to use way. I bet most machinists in KZread will just tell you to use Casenit and the process takes 4 hours for 0.8mm penetration - You achieved much more, with common materials. Bravo!!

@Clickspring

6 жыл бұрын

Thank you Jose!

Unparalleled patience. Great skill. Good attitude. This is just a pleasure to watch.

I know someone has already said this but. "This is hands down the best and most informative channel on KZread"

@Clickspring

6 жыл бұрын

Thank you mate, very much appreciate your encouragement :)

This stuff is fascinating, I've never really seen any historical media do this sort of thing. It adds a lot to history to give practical demonstration of these methods and this entire project really makes you think about the impressive knowledge that was required to construct a device like this.

I'm glad someone like yourself doing this research. When they take back to the Stone Age we're going to need knowledge like this...

Love it! You often see old artifacts that are amazing, but what often gets overlooked is how many simple tools we take forgranted today had to be invented to make the major artifact possible.