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《Iron & Steel》 2010-01
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Effect of Heat Treatment on Mechanical Properties of Bearing Steel 20Cr14Co12Mo5

BAO Jian1,2,YANG Mao-sheng2,WANG Hua-kun1(1.Faculty of Materials and Metallurgy,Kunming University of Science and Technology,Kunming 650093,Yunnan,China;2.Central Iron and Steel Research Institute,Beijing 100081,China)  
The relationship between microstructures and mechanical properties of bearing steel 20Cr14Co12Mo5 are researched with different heat treatment.The results show that microstructures and mechanical properties are influenced by heat treatment with different heat treatment,the mechanical properties of the bearing steel can obtain HRC 51.0,Rm of 1840MPa,Rp0.2 of 1410MPa,A of 17%,Z of 62.5%,Aku of 75 J·cm-2,KIc of 108MPa·m1/2.
【CateGory Index】: TG162.71
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