| EFFECT OF SULFUR ON PROPERTIES OF BALL BEARING STEEL |
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| 作者姓名： | 王宠武 董汉山 杨子宁 |
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| 作者单位： | Department ofMechanical Engineering.CTU，Department ofMechanical Engineering.CTU，Shanghai 2nd Training School Metallurgy |
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| 摘 要： | 5 heats of GCr15 bearing steel of different sulfur contents ranging from 0.009-0.092% (wt.)were smelted. The role of sulfur in bearing steel and its effect on contact fatigue properties andfracture toughness K_(IC)Were studied. It was shown that as the sulfur content increases the sulfur content dissolved in the steelsubstrate remains unchanged. The best contact fatigue property appears at the sulfur content of0.045% (wt.), and the influence of sulfur content on the fracture toughness of bearing steel is notobvious. Finally, the mechanism of the role of sulfur was investigated.
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EFFECT OF SULFUR ON PROPERTIES OF BALL BEARING STEEL |
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| Wang Chongwu Dong Hanshan.EFFECT OF SULFUR ON PROPERTIES OF BALL BEARING STEEL[J].Journal of Donghua University,1989(1). |
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| Authors: | Wang Chongwu Dong Hanshan |
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| Institution: | Wang Chongwu Dong Hanshan Department of Mechanical Engineering,CTU Yang Zining Shanghai 2nd Training School Metallurgy |
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| Abstract: | 5 heats of GCr15 bearing steel of different sulfur contents ranging from 0.009-0.092% (wt.) were smelted. The role of sulfur in bearing steel and its effect on contact fatigue properties and fracture toughness K_(IC)Were studied. It was shown that as the sulfur content increases the sulfur content dissolved in the steel substrate remains unchanged. The best contact fatigue property appears at the sulfur content of 0.045% (wt.), and the influence of sulfur content on the fracture toughness of bearing steel is not obvious. Finally, the mechanism of the role of sulfur was investigated. |
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| Keywords: | bearing steel sulfur content sulfide mechanical properties of materials fatigue life wear fracture toughness GCr ball bearing steel |
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