An overall chromium coating improves the corrosion resistance of the generally used through-hardening rolling bearing steel.
一个总铬涂层提高了耐腐蚀性能的普遍使用，通过硬化滚动轴承钢。
The fatigue life for hybrid rolling ball bearing is researched on the base of its breakdown mechanism and fatigue life of steel bearings. Its fatigue life formula is given.
根据混合轴承的破坏机理，在钢轴承使用寿命公式的基础上，对混合轴承的使用寿命进行探讨，推导出它的寿命公式。
Effect of technological parameters of controlled rolling and accelerated cooling on the mechanical properties of vanadium bearing microalloyed clean steel have been investigated in this paper.
讨论了在控制轧制和加速冷却条件下，含钒微合金较洁净钢的工艺参数对力学性能的影响。
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