fretting fatigue

Investigation of the Fretting Fatigue Behavior of Medium Carbon Constructional Steel

中碳结构钢微动疲劳性能的研究

The system can be used to simulate fretting fatigue of various immobility joints with precisions less than 1 μ m.

结果表明，该实验系统具有较高的精度（

The life of bending fretting fatigue was significantly influenced by the alternating stresses. The higher stress level was, the lower fatigue life occurred. The S-N curves of bending fretting fatigue appeared shapes of C type.

对于弯曲微动疲劳，交变应力对寿命的影响十分显著，应力水平越高，微动疲劳寿命越低，弯曲微动疲劳的S-N曲线呈C曲线型。

Fretting fatigue crack initiation tended to occur in fretting scar, especially from grinding pits.

疲劳裂纹易于在微动区, 特别是在蚀坑处萌生和扩展.

The fretting fatigue behavior of TC11 alloy dovetail joints under low cycle load and the interaction of high-cycle load and low-cycle load were investigated.

对TC11钛合金燕尾榫连接结构在低周和高低周复合载荷作用下的断口特征进行了分析。

The effects of contact pressure, amplitudes, applied loads, temperature, number of cycles and the ratio of high cycle load to low cycle one on fretting fatigue life and frictional coefficient were carried out.

用桥式试样研究了接触压力、微动幅度、温度、循环次数、高低周载荷幅值比等参数对微动疲劳寿命影响。

Fretting fatigue in component& the feature in circumferential dovetail joints

构件微动磨损疲劳&盘上周向燕尾榫槽的特点分析

First, the theory of fretting wear and studies on fretting fatigue were introduced and the parametric method was used in the process of creating the model of dovetail joints in UG software.

本文介绍了微动损伤的机理和微动疲劳寿命的研究方法；利用UG软件对燕尾榫联接结构创建了参数化实体模型；

Study on the Mechanism of Fretting Fatigue Cracks in Packing Boxes Used in Superpressure Compressors

超高压压缩机填料盘微动疲劳裂纹机理的研究

By analyzing the working condition and failure mechanism of packing box, it is proved in theory that fretting fatigue results in the failure of packing box.

通过对填料盘工作状况和失效机制的理论分析，进而在理论上证明了填料盘的开裂是由于微动疲劳造成的。