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Author:

尚德广 (尚德广.) (Scholars:尚德广) | 张嘉梁 (张嘉梁.) | 王晓玮 (王晓玮.) | 赵相峰 (赵相峰.) | 宋明亮 (宋明亮.) | 张海萌 (张海萌.)

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incoPat zhihuiya

Abstract:

本发明提供了一种基于临界面法疲劳破坏准则的高周多轴疲劳寿命预测方法,涉及疲劳强度领域,该方法的步骤为:(1)构造高周多轴疲劳准则。(2)通过代入两种单轴加载以及脉动循环加载情形,推导出式中参数(3)读取高周多轴恒幅加载试验数据,确定临界面位置。(4)通过计算出的临界面上的剪应力幅,正应力幅和平均正应力,利用公式计算出等效应力幅。(5)利用应力‑寿命曲线,计算出多轴恒幅载荷下的高周疲劳寿命。提出的方法进行多轴恒幅载荷下的高周疲劳寿命估算取得较好的预测效果。

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Patent Info :

Type: 发明授权

Patent No.: CN201510780883.7

Filing Date: 2015-11-15

Publication Date: 2018-08-07

Pub. No.: CN105260574B

Applicants: 北京工业大学

Legal Status: 授权

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 7

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