Microstructure and Residual Stress in AMS 6308 Steel after Vacuum Carburizing and Gas Quenching
K. Dychtoń, P. Kocurek, P. Rokicki, B. Wierzba, M. Drajewicz and J. Sieniawski
Department of Material Science, Rzeszów University of Technology, Powstanców Warszawy 12, 35-959 Rzeszów, Poland
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In this work, the vacuum carburizing and gas quenching has been done on gears box made of high strength alloy steel AMS 6308 in four different temperatures. The measurements of hardness was done to evaluate the effective case depth for each temperature. The analysis of retained austenite was presented as a factor which can affect values of residual stress. The residual stresses were measured in Protoi XDR portable diffractometer and the analysis was examined to find influence of temperature and carburizing time on the direction and values of residual stresses.

DOI: 10.12693/APhysPolA.130.953
PACS numbers: 81.05.-t, 87.64.-t, 83.85.-c