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Cu-Gd2O3復(fù)合材料界面與性能研究
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燕山大學(xué)亞穩(wěn)材料制備技術(shù)與科學(xué)國家重點(diǎn)實(shí)驗(yàn)室,燕山大學(xué)亞穩(wěn)材料制備技術(shù)與科學(xué)國家重點(diǎn)實(shí)驗(yàn)室

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TB331

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國家重點(diǎn)基礎(chǔ)研究發(fā)展計(jì)劃（973計(jì)劃）;國家高技術(shù)研究發(fā)展計(jì)劃（863計(jì)劃）


Cu-Gd2O3 Composites Interface Reaction and its Properties
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State Key Lab of Metastable Materials Science and Technology, Yanshan University,State Key Lab of Metastable Materials Science and Technology, Yanshan University

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    摘要:

    采用放電等離子燒結(jié)工藝制備Cu-Gd2O3復(fù)合材料，主要研究該復(fù)合材料內(nèi)部Cu/Gd2O3界面結(jié)合情況及物理性能。增強(qiáng)相Gd2O3在復(fù)合材料中彌散分布，隨含量增多在基體中呈現(xiàn)出立體網(wǎng)格狀分布結(jié)構(gòu)。X射線衍射分析有少量新相Gd2CuO4形成，透射電鏡分析發(fā)現(xiàn)Gd2O3和銅基體發(fā)生部分界面反應(yīng)形成Gd2CuO4，且過渡區(qū)反應(yīng)層的厚度隨溫度的增加而加厚，通過有效控制界面反應(yīng)層的厚度可以提高材料的力學(xué)性能。

    Abstract:

    Cu-Gd2O3 composites were prepared by the spark plasma sintering apparatus, and the research was mainly focused on physical properties and the interface reaction layer in the composites. The Gd2O3 powder distributed in the composite dispersively, and with the increase of the amount of Gd2O3 a three-dimensional grid structure formed in the matrix. New phase Gd2CuO4 was detected by XRD analysis, and the interface reaction between Gd2O3 and Cu matrix during sintering process was observed by TEM. The thickness of reaction layer and transition zone became broaden with the increase of the temperature. It was an effectively way to improve the mechanical properties of materials by the control of the thickness of reaction layer.

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戰(zhàn)再吉,許貴香. Cu-Gd2O3復(fù)合材料界面與性能研究[J].稀有金屬材料與工程,2016,45(8):2016~2019.[Zhan Zaiji, Xu Guixiang. Cu-Gd2O3 Composites Interface Reaction and its Properties[J]. Rare Metal Materials and Engineering,2016,45(8):2016~2019.]
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  • 收稿日期:2014-06-25
  • 最后修改日期:2014-07-09
  • 錄用日期:2014-08-12
  • 在線發(fā)布日期: 2016-10-09
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