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 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 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 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。
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