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第 13 章 交变应力 PowerPoint PPT Presentation


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第 13 章 交变应力. 本章主要内容. § 13-1 交变应力及疲劳破坏. § 13-2 交变应力的循环特性应力幅度和平均应力. § 13-3 材料的持久极限. § 13-4 影响构件持久极限的因素. § 13-5 对称循环下构件的疲劳强度计算. § 13-6 持久极限曲线及其简化折线. § 13-7 不对称循环下构件的疲劳强度计算. § 13-8 弯曲和扭转组合交变应力下构件的疲劳强度计算. § 13-9 提高构件疲劳强度的措施. 机械实例. 材料力学. 机械实例. 材料力学. 机械实例. 机械实例.

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第 13 章 交变应力

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13


13-1

13-2

13-3

13-4

13-5

13-6

13-7

13-8

13-9






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1.

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