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Effect of Zr, Mo and Y Adding on Microstructure, Mechanical and Electrical Properties of Au-Pd, Pt-Ir and Pd-Ru Systems
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國家自然科學基金項目 (51174236, 51134003); 國家重點基礎研究發(fā)展計劃 (2011CB606306)資助項目; 金屬多孔材料國家重點實驗室開放基金 (PMM-SKL-4-2012); 中南大學研究生創(chuàng)新教育工程 (2011ssxt139)


Effect of Zr, Mo and Y Adding on Microstructure, Mechanical and Electrical Properties of Au-Pd, Pt-Ir and Pd-Ru Systems
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National Natural Science Foundations of China (u0837601)

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    摘要:

    在Au-Pd、Pt-Ir、Pd-Ru系中分別加入Zr、Mo、Y 3種元素，研究稀有金屬元素的加入對3種合金系組織結構及力學和電學性能的影響。合金相在真空高頻爐中熔煉。首先用X射線衍射儀和金相顯微鏡對合金相的顯微組織和結構進行分析，用電橋、渦流導電儀測量合金相的電阻率，再用AG-X100KN型拉力試驗機測量合金相的力學性能。結果表明：稀有金屬元素的加入可以有效地細化合金相的顯微組織，并且提高合金相的熔點、密度、力學性能和電阻率，但是合金相的延伸率有所降低。

    Abstract:

    The effect of Zr, Mo and Y adding on mechanical and electrical properties of Au-Pd, Pt-Ir and Pd-Ru systems was investigated. The alloys were prepared in a vacuum high frequency melting furnace. X-ray diffraction and metallographic microscopy were employed to detect the microstructures. Electric bridge and eddy current conductive instrument were used to test the electrical resistivity, and the mechanical properties of the alloys were tested by AG-X100KN type tensile testing machine. The results show that adding of rare metal elements in Au-Pd, Pt-Ir and Pd-Ru systems could refine structures of the alloys effectively, increase their melting points, densities and electrical resistivities, and improve mechanical properties of the alloys, but the elongations of the alloys is decreased.

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李嘉艷,謝 明,楊有才,張吉明,陳永泰,劉滿門,王塞北,胡潔瓊,寧 平. Effect of Zr, Mo and Y Adding on Microstructure, Mechanical and Electrical Properties of Au-Pd, Pt-Ir and Pd-Ru Systems[J].稀有金屬材料與工程,2013,42(10):2027~2033.[Li Jiayan, Xie Ming, Yang Youcai, Zhang Jiming, Chen Yongtai, Liu Manmen, Wang Saibei, Hu Jieqiong, Nin Ping. Effect of Zr, Mo and Y Adding on Microstructure, Mechanical and Electrical Properties of Au-Pd, Pt-Ir and Pd-Ru Systems[J]. Rare Metal Materials and Engineering,2013,42(10):2027~2033.]
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  • 收稿日期:2012-10-12
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