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Test Analysis on Dimension Stability of Bearing
Author(s): 
Pages: 29-30
Year: Issue:  10
Journal: BEARING

Keyword:  尺寸稳定性试验;
Abstract: 工件在存放过程中,随着存放时间的增加,其内径尺寸的变化趋势是增大.这是由于轴承钢在低温回火过程中残余奥氏体未完全转变的结果.试验结果表明,回火前经充分冷却的工件,其尺寸的稳定效果非常明显.附加回火能起到稳定尺寸的作用.
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