路学成,阎殿然,杨勇,董艳春,何继宁

• 1:河北工业大学材料学院
• 2:军事交通学院装运机械系

摘要(Abstract)：

选用商用纳米Al2O3与TiO2粉末,经混合制浆并通过喷雾造粒技术将其重构成大颗粒纳米Al2O3-13%TiO2团聚粉体,采用不同加热温度进行烧结,制备了用于热喷涂的纳米喂料。通过XRD、SEM检测和松装密度测定,研究其相结构、显微结构和纳米晶粒变化,由此分析了纳米团聚粉体烧结过程中纳米晶粒生长和致密化行为,并建立了晶粒生长模型。结果表明,适用于热喷涂的纳米团聚粉体的烧结温度应控制在1100℃以下。

关键词(KeyWords)： 纳米材料;Al2O3/TiO2团聚粉体;烧结;晶粒生长

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51072045)

作者(Author): 路学成,阎殿然,杨勇,董艳春,何继宁

DOI: 10.13289/j.issn.1009-6264.2011.11.001

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