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Method for producing gears and/or shaft components with superior bending fatigue strength and pitting fatigue life from conventional alloy steels
Method for producing gears and/or shaft components with superior bending fatigue strength and pitting fatigue life from conventional alloy steels
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机译:由常规合金钢生产具有优异的弯曲疲劳强度和点蚀疲劳寿命的齿轮和/或轴部件的方法
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摘要
A conventional aluminum killed alloy steel for case hardening of gear(s) and/or shaft components consisting of 0.10 to 0.30 weight % Carbon, 0.15 to 0.35 weight % Silicon, 0.8 to 1.5 weight % Chromium, 0.6 to 1.5 weight % Manganese, 0.017 to 0.040 weight % Aluminum, and balance iron including impurities, produced by vacuum degassing and alike routes. Gear(s) and/or shaft components made by the above steel when treated by modified carbonitriding followed by hard shot peening process provide both superior bending fatigue strength and pitting fatigue life, capable of withstanding higher torque levels and speeds.
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