Document Type : Research Article
Authors
1 Department of Mechanical Engineering, Marthandam College of Engineering and Technology, Kanyakumari, Tamil Nadu 629177, India
2 Department of Mechanical Engineering, Loyola Institute of Technology & Science, Thovalai, Kanyakumari, Tamil Nadu 629302, India
Abstract
The effect of cryogenic treatment on the enhancement of tensile residual stress resistance in the SAE 52100 bearing steel was studied using X-Ray diffraction technique. The tensile residual stress behaviour is assessed by X-Ray diffractometer as per the ASTM standard E2860-12. Refinement of carbide particle by deep cryogenic treatment (DCT) is often proposed as the improvement for the residual stress in the bearing steel. X-Ray diffractometer technique include the identification and quantitative analysis of crystalline chemical compounds (phase analysis and quantification, e.g. retained austenite determination), residual macro- and micro-stress analysis. It was found that the tensile residual stress was increased by +30Mpa due to deep cryogenic treatment when compared with that of conventional heat treatment (CHT). Moreover, the hardness of the DCT samples shows an improvement of 15% over the CHT samples.
Keywords
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