徐峰,周小平,方锳泽

• 1:湖北工业大学机械工程学院
• 2:湖北工业大学绿色轻工材料湖北省重点实验室

摘要(Abstract)：

为了制备镍基Al_2O_3-TiB_2金属陶瓷涂层,研究了不同质量分数的Ni对球磨Al-TiO_2-B_2O_3粉末的影响。对球磨后的粉末进行了XRD、SEM、EDS和DSC测试分析。结果表明:加入适量Ni,在机械合金化过程中能够产生加速效应,缩短得到Ni基Al_2O_3-TiB_2金属陶瓷粉体的时间。Ni在机械合金化过程中的加速效应的机制是优先生成了Ni Al化合物,加速了TiO_2和B_2O_3中Ti和B被Al还原出来的反应,促进了化学反应10Al+3TiO_2+3B_2O_3=5Al_2O_3+3TiB_2的进行。

关键词(KeyWords)： 机械合金化;Al-TiO2-B2O3粉末;镍

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51171062)

作者(Author): 徐峰,周小平,方锳泽

DOI: 10.13289/j.issn.1009-6264.2016.03.032

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