影响机械疲劳强度的主要因素
2024-09-09
来源:划驼旅游
![](https://img.51dongshi.com/20240929/wz/18167994452.jpg)
应力集中,表面状态。
1、应力集中:这是影响机械疲劳强度的重要因素,应力集中发生在零件的几何形状突变、材料缺陷、加工过程中的刀痕和热处理引起的内应力等部位。
2、表面状态:零件的表面粗糙度、加工质量和热处理等因素对疲劳强度也有影响,好的表面状态可以有效地提高疲劳强度。
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