[建筑毕业设计论文] 摘 要 综述了国内外块状纳米材料的制备技术进展及存在的问题。提出了超短时脉冲电流直接晶化法和深过冷直接晶化法两类潜在的块状金属纳米晶制备技术，并对今后的研究及发展前景进行了展望。
关键词 纳米晶块体 材料制备 非晶晶化 机械合金化 深过冷
DEVELOPMENT OF BULK METAL NANOMETER MATERIALS PREPARATION TECHNOLOGIES AND THEIR ESTIMATE
ABSTRACT On the basis of the summarization of bulk metal nanocrystalline materials preparation methods,two potential technologies:super short false current direct crystallization method and high undercooling direct crystallization method are proposed.In the end,the development and application prospects of various methods are also estimated.
KEYWORDS bulk nanometer material,preparation of materials,crystallization of amorphous alloys,mechanical alloying,high undercooling
Correspondent:Zhang Zhenzhong Northwe……
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