在还原过程中，控制反应温度及氯化物浓度可以获得金属致密镀层或超微粉末。
During the reduction process, it is possible to obtain metal with dense layer or ultrafine powder by controlling the reaction temperature and chloride concentration.
晶粒长大、晶界面积减少以及镀层表面生成较厚的、致密的氧化膜是耐蚀性提高的主要原因。
The main cause of better corrosion resistance was due to growth of granules, decrease of grain boundary area, and formation of thick and compact oxidation film on the coating surface.
结果表明：纳米颗粒的加入使复合镀层组织明显细化和致密。
The results show that the microstructure of nano composite coatings is obviously fined and compacted because of containing nano-particles.
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