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本文用划痕法测定了Ni-P合金镀层的结合力;观察了划痕侧面镀层的失效形式;分析了三种评定结合力的参数。结果指出,临界载荷L_C、平均应力σ_A用于评定Ni-P镀层的结合力是有条件的,而B-W公式存在的问题更多。
In this paper, the adhesion of Ni-P alloy coating was measured by scratch method. The failure modes of the coating on the scratches side were observed. Three parameters for evaluating the bonding strength were also analyzed. The results show that the critical load L_C, the average stress σ_A is used to evaluate the bonding strength of Ni-P coating is conditional, but the B-W formula has more problems.