2Sn納米顆粒"/> 2Sn相的復(fù)合粉末,將所得復(fù)合粉末熱壓燒結(jié),獲得高性能納米Mg2Sn增強(qiáng)鎂基復(fù)合材料。對(duì)比研究了不同機(jī)械合金化時(shí)間對(duì)鎂基復(fù)合材料組織、性能的影響,結(jié)果表明：隨著機(jī)械合金化時(shí)間的延長(zhǎng),由納米Mg2Sn相組成的團(tuán)簇尺寸不斷減小,分布更加均勻,燒結(jié)態(tài)Mg2Sn/Mg復(fù)合材料的各項(xiàng)力學(xué)性能也得到不斷提高。"/>

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納米Mg2Sn增強(qiáng)鎂基復(fù)合材料組織與性能
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大連理工大學(xué) 材料科學(xué)與工程學(xué)院 遼寧省凝固控制與數(shù)值化制備技術(shù)重點(diǎn)實(shí)驗(yàn)室,大連理工大學(xué) 材料科學(xué)與工程學(xué)院 遼寧省凝固控制與數(shù)值化制備技術(shù)重點(diǎn)實(shí)驗(yàn)室,大連理工大學(xué) 材料科學(xué)與工程學(xué)院 遼寧省凝固控制與數(shù)值化制備技術(shù)重點(diǎn)實(shí)驗(yàn)室,大連理工大學(xué) 材料科學(xué)與工程學(xué)院 遼寧省凝固控制與數(shù)值化制備技術(shù)重點(diǎn)實(shí)驗(yàn)室,大連理工大學(xué) 材料科學(xué)與工程學(xué)院 遼寧省凝固控制與數(shù)值化制備技術(shù)重點(diǎn)實(shí)驗(yàn)室

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國(guó)家重點(diǎn)研發(fā)計(jì)劃(2016YFB0701200)；國(guó)家自然科學(xué)基金(51374047)；中央高校基本科研業(yè)務(wù)費(fèi)專項(xiàng)資金資助(DUT15ZD201,DUT15JJ (G) 01)


Microstructure and Properties of Mg2Sn Nanoparticle-reinforced Mg Matrix Composites
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Key Laboratory of Solidification Control and Digital Preparation Technology Liaoning Province,School of Materials Science and Engineering,Dalian University of Technology,Key Laboratory of Solidification Control and Digital Preparation Technology Liaoning Province,School of Materials Science and Engineering,Dalian University of Technology,Key Laboratory of Solidification Control and Digital Preparation Technology Liaoning Province,School of Materials Science and Engineering,Dalian University of Technology,Key Laboratory of Solidification Control and Digital Preparation Technology Liaoning Province,School of Materials Science and Engineering,Dalian University of Technology,Key Laboratory of Solidification Control and Digital Preparation Technology Liaoning Province,School of Materials Science and Engineering,Dalian University of Technology

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    摘要:

    利用納米Sn粉高的表面活性,通過微米Mg粉與納米Sn粉的機(jī)械合金化高效合成了含原位納米Mg2Sn相的復(fù)合粉末,將所得復(fù)合粉末熱壓燒結(jié),獲得高性能納米Mg2Sn增強(qiáng)鎂基復(fù)合材料。對(duì)比研究了不同機(jī)械合金化時(shí)間對(duì)鎂基復(fù)合材料組織、性能的影響,結(jié)果表明：隨著機(jī)械合金化時(shí)間的延長(zhǎng),由納米Mg2Sn相組成的團(tuán)簇尺寸不斷減小,分布更加均勻,燒結(jié)態(tài)Mg2Sn/Mg復(fù)合材料的各項(xiàng)力學(xué)性能也得到不斷提高。

    Abstract:

    Due to high surface activity of nano Sn powder, the mixture powders containing in-situ nano Mg2Sn phase were synthesized efficiently by milling micro Mg powders and nano Sn powders. High-performance Mg2Sn/Mg composites were then prepared by hot-press sintering from the milled mixture powders. Effect of milling time on microstructure and properties of Mg2Sn/Mg composites were investigated comparatively. The results show that, with the increase of milling time, the size of Mg2Sn clusters consisting of Mg2Sn nanophase decreases continuously, and Mg2Sn clusters are distributed uniformly in the matrix. Moreover, the mechanical properties of sintered Mg2Sn/Mg composites are also gradually improved.

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房燦峰,聞志恒,郝 海,陳國(guó)清,張興國(guó).納米Mg2Sn增強(qiáng)鎂基復(fù)合材料組織與性能[J].稀有金屬材料與工程,2017,46(6):1719~1722.[Fang Canfeng, Wen Zhiheng, Hao Hai, Chen Guoqing, Zhang Xingguo. Microstructure and Properties of Mg2Sn Nanoparticle-reinforced Mg Matrix Composites[J]. Rare Metal Materials and Engineering,2017,46(6):1719~1722.]
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  • 收稿日期:2016-09-18
  • 最后修改日期:2016-11-02
  • 錄用日期:2016-11-10
  • 在線發(fā)布日期: 2017-11-07
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