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Effect of Cd Addition on Microstructure and Properties of Mg-Cd Binary Magnesium Alloy
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Effect of Cd Addition on Microstructure and Properties of Mg-Cd Binary Magnesium Alloy
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National Natural Science Foundation of China (51275332); Doctoral Start-up Funding of Taiyuan University of Science and Technology (20122002)

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    摘要:

    研究了Cd對(duì)Mg-Cd二元合金組織和性能的影響。通過(guò)XRD、SEM和EDS對(duì)加入Cd鎂合金金相進(jìn)行了檢測(cè)。研究結(jié)果表明：在純鎂中加入微量的Cd能明顯的細(xì)化組織，并且加入從0%到0.7% (質(zhì)量分?jǐn)?shù))的Cd后，在Mg-Cd合金中沒(méi)有新相產(chǎn)生，Cd均勻、彌散的固溶在鎂基體中，使合金的沖擊韌度、布氏硬度分別提高了52.9%，11.9%，且隨著Cd加入量的增加，Mg-Cd二元合金的力學(xué)性能在逐漸的增加

    Abstract:

    The effects of Cd on the microstructure and the mechanical properties of Mg-Cd magnesium alloy were investigated. The Mg-Cd binary magnesium alloy was analyzed by metallograph, XRD, SEM and EDS examinations. The results show that the microstructure of the Mg-Cd magnesium alloy is refined obviously by adding a little amount of Cd. When Cd addition(wt%) is from 0% to 0.7%, the alloy is composed of α-Mg matrix. Cd dissolves in the matrix to form a solid solution, and there is no new phase formed, which contributes to the increase of the impact toughness, Brinell hardness of the experimental alloy by 52.9%, 11.9%, respectively. With the Cd content increasing, the mechanical properties of Mg-Cd magnesium alloy are improved accordingly

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高 珊,任樹(shù)杰,劉翠榮,吳志生,李宏戰(zhàn). Effect of Cd Addition on Microstructure and Properties of Mg-Cd Binary Magnesium Alloy[J].稀有金屬材料與工程,2015,44(10):2401~2404.[Gao Shan, Ren Shujie, Liu Cuirong, Wu Zhisheng, Li Hongzhan. Effect of Cd Addition on Microstructure and Properties of Mg-Cd Binary Magnesium Alloy[J]. Rare Metal Materials and Engineering,2015,44(10):2401~2404.]
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  • 收稿日期:2014-10-23
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  • 在線發(fā)布日期: 2016-07-13
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