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2篇 您的检索式:作者名="D.Mohan Lal"
    题名 作者 年代 出处 被引量
1Effects of deep cryogenic treatment on mechanical and tribological properties of AISI D3 tool steel显示文摘In this study,the effects of deep cryogenic treatment(DCT)on the mechanical and tribological properties of AISI D3 tool steel were investigated together with a systematic correlation between their hardness and wear resistance.It was found that conventionally heat treated AISI D3 tool steel samples were significantly hardened via an additional DCT,which was attributed to the more retained austenite elimination,more homogenized carbide distribution and more reduction in carbide size in the samples.As a result,the hardened AISI D3 samples exhibited reductions in their friction and wear during rubbing against alumina and 100Cr6 steel balls under different normal loads due to the effectively hindered removal of surface materials.The results clearly showed that the DCT was an effective way to improve the mechanical and tribological properties of the AISI D3 tool steel samples as the tribological performance of the tool steel samples was significantly influenced by their hardness.Nay Win KHUN Erjia LIU Adrian Wei Yee TAN D.SENTHILKUMAR Bensely ALBERT D.MOHAN LAL 2015Friction2015,3,3:0
2Influence of cryogenic treatment on the wear characteristics of 100Cr6 bearing steel显示文摘A series of reciprocating wear tests were performed on the deep cryogenically treated and conventionally heat-treated samples of 100Cr6 bearing steel to study the wear resistance.The worn surfaces as well as the wear debris were analyzed by scanning electron microscopy.The improvement in wear resistance of the deep cryogenically treated samples ranges from 49% to 52%.This significant improvement in wear resistance can be attributed to finer carbide precipitation in the tempered martensitic matrix and the transformation of retained austenite into martensite.X-ray diffraction analysis shows that the volume fraction of retained austenite in the conventionally heat-treated samples is 14% and that of the deep cryogenically treated samples is only 3%.R.Sri Siva D.Mohan Lal P.Kesavan Nair M.Arockia Jaswin 2014International Journal of Minerals,Metallurgy and Materials2014,21,1:0
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