Journal of the Association of Engineers, India

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Influence of Heat Treatment on Tool Wear


Affiliations
1 Met Engg. Dept., India
2 M. E. Dept., Jadavpur University, India
     

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The wear behaviour of H.S.S. (18:4:1) has been studied as a function of the red hardness developed after single tempering treatment with and without the influence of magnetic field. The study depicts the role of toughness, an engineering property, as influenced by the microstructure in determining the wear of H.S.S. Austenitizing at 1260°C followed by oil quenching and then tempering at 560°C for 75 minutes gives a hardness value of 780 (VPN). It shows comparatively minimum wear than the case when tempering is done at 500°C for 60 minutes and under magnetic field of 10K. oe follows oil quenching to give a hardness value of 810 (VPN). It is noticed that a sample consisting of martensile along with carbide and comparatively larger amount of retained austenite exhibits lower wear.
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  • Influence of Heat Treatment on Tool Wear

Abstract Views: 209  |  PDF Views: 1

Authors

P. C. Chakraborty
Met Engg. Dept., India
A. K. Ghosh
Met Engg. Dept., India
Sadhan K. Ghosh
M. E. Dept., Jadavpur University, India

Abstract


The wear behaviour of H.S.S. (18:4:1) has been studied as a function of the red hardness developed after single tempering treatment with and without the influence of magnetic field. The study depicts the role of toughness, an engineering property, as influenced by the microstructure in determining the wear of H.S.S. Austenitizing at 1260°C followed by oil quenching and then tempering at 560°C for 75 minutes gives a hardness value of 780 (VPN). It shows comparatively minimum wear than the case when tempering is done at 500°C for 60 minutes and under magnetic field of 10K. oe follows oil quenching to give a hardness value of 810 (VPN). It is noticed that a sample consisting of martensile along with carbide and comparatively larger amount of retained austenite exhibits lower wear.