Magazine article from our research archive:

10 years ago--June 18, 1998.(IN THE NEWS: LOOKING BACK)

A new thermochemical process developed by Sedis, a French company, increases the hardness of industrial drive chains and makes them more wear resistant. The process boosts surface hardness from about 800 to 1,900 Vickers and is similar to chrome hardening: Atomic chromium combines with the steel to form a surface integral with that ...

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