Benefits of surface treatments
Prestressing and surface treatments

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M1180 V2 Article

Benefits of surface treatments
Prestressing and surface treatments

Authors : Jean BARRALIS, Louis CASTEX, Gérard MAEDER

Publication date: December 10, 1999 | Lire en français

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1. Benefits of surface treatments

Example

manufacture of ball-bearing cages: initially, high-carbon steels such as 100 Cr 6 were used, giving high hardness after heat treatment in the mass. Cyclic plasticization at the maximum Hertz stress depth causes local carbon depletion in the metal matrix around the carbide particles, creating butterfly-wing zones conducive to the initiation of subcutaneous cracks. These cracks propagate rapidly, given...

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