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TiAl-Al_2O_3纳米粉体的机械活化-放电等离子原位烧结 被引量：5

Mechanical Activation-spark Plasma Sintering of TiAl-Al_2O_3 Nano-powders In situ
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摘要 用机械活化-放电等离子烧结(MA-SPS)方法原位制备TiAl-Al2O3材料。MA后得到晶粒度小于25nm的纳米粉体,其中Al2O3起到机械活化和细化晶粒的作用,促使粉体快速纳米化;SPS原位烧结后得到密度为3.73g/cm3的(α2+γ)双相组织,组成相的晶粒度小于130nm。 Using mechanical activation-spark plasma sintering（MA-SPS） to fabricate TiAl-Al2O3 in situ. After MA, grain size of nano-powders is less than 25nm, while Al2O3 have effect of mechanical activation, make crystal fine and accelerate nano-process. Through SPS in situ, the nano-material has 3.73 g/cm^3 density and two-phase （α2＋γ） structure, and its grain size is less than 130nm.
作者 王志伟
机构地区 湖北工业大学机械工程学院
出处 《材料工程》 EI CAS CSCD 北大核心 2005年第9期34-36,共3页 Journal of Materials Engineering
基金 湖北省十五重点攻关项目(2001AA101B02)
关键词 机械活化 放电等离子烧结 TIAL 纳米材料 mechanical activation（MA） spark plasma sintering（SPS） TiAl nano-material
分类号 TF124.5 [冶金工程—粉末冶金]
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参考文献9

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共引文献9

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引证文献5

二级引证文献16

材料工程
2005年 第9期

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