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首页> 外文期刊>Tribology International >Fretting fatigue of zinc coated low carbon steel EN H320 M
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Fretting fatigue of zinc coated low carbon steel EN H320 M

机译：镀锌低碳钢EN H320 M的微动疲劳

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摘要

The object of the present study was to investigate the influence of zinc coatings on steel sheets during fretting fatigue and fatigue tests. The influence of the fatigue stress range, normal pressure and amplitude of slip, on the fracture life was studied for both coated and uncoated EN H320 M steel. The wear produced by fretting was measured and compared with the fracture life evolution for different values of slip amplitude. The wear scars and the fracture surfaces were examined by scanning electron microscopy to identify the degradation mechanism. Although zinc films do not influence the fatigue life of the tested steel, when fretting is superposed on to a fatigue stress the coating markedly improves the fracture life.
机译：本研究的目的是研究微动疲劳和疲劳试验期间锌涂层对钢板的影响。研究了涂层和未涂层​​的EN H320 M钢的疲劳应力范围，法向压力和滑动幅度对断裂寿命的影响。测量了由微动产生的磨损，并将其与不同滑移振幅值的断裂寿命演变进行了比较。通过扫描电子显微镜检查磨损痕迹和断裂表面，以确定其降解机理。尽管锌膜不会影响被测钢的疲劳寿命，但是当微动作用叠加在疲劳应力上时，涂层可以显着提高断裂寿命。

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