热喷涂技术替代电镀硬铬的研究进展 关键词：热喷涂；硬铬；研究进展 [gap=731]Key words：thermal spray coating；hard chromium coatings；HVOF
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三价铬电镀方法的研究（上） 关键词：三价铬； 电镀； 硬铬； X-射线 [gap=648]Keywords：trivalent chromium； plating；hard chromium； X-ray
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... hard centre ==> 硬质的夹心 hard chrome ==> 硬铬 hard chrome plating ==> 镀硬铬 ...
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提出了选择合适镀硬铬替代工艺的要求。
The requirements for selecting qualified alternative processes were presented.
通过盐酸浸蚀法实现了铝合金上直接镀硬铬。
The method of directly electroplating Cr on Al alloy by HCl immersion was studied.
所有传动轴、辊材质均为优质钢，高精度动平衡校正，镀硬铬、表面研磨。
All the tra mi ion axle and rollers are made of high-quality steel with high-precision dynamic balance, plated with rigid chrome and grinded surface.
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