This paper analyses the structure and properties of nickel-plating and boronizing layer.
分析研究了镀镍渗硼层组织结构和性能特点。
The wear resistance of hard alloy (YG14) and boronizing layer, boron-chromizing layer for steel 45 was studied.
研究了硬质合金(YG14)和45钢渗硼层、硼铬共渗层的耐磨性。
The properties of RE-boronizing layer relative to casting quality, and the suitable temperature is necessary for lightening change of shape.
球墨铸铁表面共渗层的性能与铸造质量有关，同时还要选取适当的共渗温度以减少变形。
The results show that, in the given conditions, the microstructure of boronizing layer is dense, boride wedged base in the shape of spider, which combines with base firmly;
结果表明：在给定实验条件下，渗硼层组织致密，硼化物呈针齿状楔入基体，与基体结合牢固；
The results show that the better boronizing layer on the surface of steel can be obtained by using the boronizing supply agent, and re can improve the quality of boriding layer.
结果表明：采用该渗硼剂可使钢件表面获得较好的渗硼层，且稀土可以提高渗层的质量。
Low - temperature boronizing base was studied for card wires with nitrogen atmosphere as outer layer protection.
对针布齿条氮基气氛外层保护低温渗硼的方法进行了研究。
The technology of pack boronizing with precoating re layer is studied.
研究了预涂稀土涂层固体粉末渗硼工艺。
The technology of pack boronizing with precoating re layer is studied.
研究了预涂稀土涂层固体粉末渗硼工艺。
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