近几年来，纳米结构涂层的热喷涂研究成为新的发展趋势。
In recent years, unique mechanical properties of nanostructured materials motivated a worldwide interest to form nanostructured coatings.
从目前国内外的情况来看，HV OF喷涂纳米结构涂层技术的研究取得了较大的进展。
Great progress of fabricating nanostructured by HVOF has been made according to the situation home and abroad.
纳米结构涂层经过盐腐蚀或高温腐蚀后纳米晶粒明显长大，并出现微小的晶格变化及相转变现象。
After salt and high temperature corrosion, the growth of Nanostructure crystalline size and phase transformation are observed.
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