EHLA is a high-speed, low heat input variant of conventional laser cladding.
Laser cladding technologies can apply high integrity surface coatings, but can be slow for large components. With EHLA, a coating can be applied more than 10x quicker, with minimal heat input into the underlying substrate material. Unlike other high productivity coating technologies, EHLA retains high material integrity with low porosity and defects, alongside very high material efficiency; reducing both waste and cost. This year, TWI became the first UK-based facility to offer the novel Extreme High-Speed Laser Application technology. Immediate applications of the EHLA technology include improved corrosion and wear protection methods. This includes a commercially viable alternative to thermal spraying and hard chrome plating. Looking beyond coatings, EHLA offers promising opportunities in large-scale repairs and additive manufacturing.
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