Study about Surface Hardening on Local Disc Brakes with Direct Current Plasma Nitrocarburizing Apparatus

Usman Sudjadi

doi:10.4028/www.scientific.net/AMR.789.383

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Study about Surface Hardening on Local Disc Brakes with Direct Current Plasma Nitrocarburizing Apparatus
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 789Study about Surface Hardening on Local Disc Brakes...

Study about Surface Hardening on Local Disc Brakes with Direct Current Plasma Nitrocarburizing Apparatus

Abstract:

Surface hardening on local disc brakes with DC-plasma nitrocarburizing apparatus has been carried out. Local disc brake was nitrocarburized at temperatures of 700 °C, 800°C, and 900°C for 3 hours, respectively. The results show that the hardness of sample of local disc brake before nitrocarburization was 167.86 Kgf/mm², after the sample was nitrocarburized at temperature 900 °C for 3 hours, the hardness increased up to 649.38 Kgf/mm². Matrixes on the base material were austenite, ferrite, and perlite.