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介绍夹杂物的种类和大小对滚珠钢接触疲劳的影响。对含Al和不含Al两种滚珠钢的质量进行对比。描述了神户、POSCO、Saar几家钢厂生产滚珠钢的情况。讨论钢中MgO·Al2O3夹杂的来源。
The effect of the type and size of inclusion on the contact fatigue of ball steel is introduced. The quality of both Al-containing and Al-free ball steels was compared. Describes the production of ball steel at several mills in Kobe, POSCO and Saar. Discuss the source of MgO · Al2O3 inclusion in steel.