用自制的销环式腐蚀磨损试验机测定了Fe-Ni-Cr(Mo,Cu)合金在20%H_2SO_4溶液中腐蚀、阴保、钝化及过钝化等电位区的腐蚀磨损-载荷关系,用SEM 观察了磨痕。结果表明,材料流失量远大于18-8不锈钢,而且主要是磨损造成的。合金中Ni 的含量高,降低了形变强化能力,是耐磨性下降的原因。
The variation of corrosive wear of Fe-Ni-Cr(Mo,Cu)alloys with load in 20%H_2SO_4 solution at corrosion,cathodic,passivation and over-passivation potential regions wasdetermined by means of a pin-disc device,and the wear track was observed.The results show
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