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Hydrogen blistering and hydrogen-induced cracking in amorphous nickel phosphorus coating

机译:非晶态镍磷涂层中的氢起泡和氢致裂纹

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摘要

Hydrogen blistering and hydrogen-induced cracking in amorphous Ni-P coating were studied. The results showed that hydrogen blistering and hydrogen-induced cracking in Ni-P coating could form during cathodic charging. Hydrogen blister could nucleate through hydrogen atoms diffusing into free volume cavity besides preexisted void. With increasing hydrogen pressure, shear bands appeared on the surface of hydrogen blister, and then hydrogen-induced cracking initiated and propagated along the wall of hydrogen blister. (c) 2007 Elsevier B.V. All rights reserved.
机译:研究了非晶态Ni-P涂层中的氢起泡和氢致裂纹。结果表明,Ni-P涂层在阴极充电过程中会形成氢起泡和氢致裂纹。氢气泡可以通过氢原子成核,扩散到自由体积的空腔中,除了预先存在的空隙。随着氢压力的增加,在氢气泡的表面出现了剪切带,然后氢诱导的裂纹开始并沿着氢气泡的壁扩展。 (c)2007 Elsevier B.V.保留所有权利。

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