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表面擴(kuò)滲Al,Zn處理對(duì)ZM5鎂合金性能的影響
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TG174 TG146

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西安市科技局項(xiàng)目(GG200346)，陜西省科技廳攻關(guān)項(xiàng)目(2001K07-G1)，陜西省教育廳項(xiàng)目(01ZC17)


Effect of Solid Diffusion Metallic Cementation on Properties of ZM5 Magnesium Alloy
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    摘要:

    通過(guò)鋁鋅(Al,Zn)混合粉對(duì)ZM5鎂合金進(jìn)行了表面固態(tài)擴(kuò)滲鋁鋅(Al,Zn)處理,在襯底形成了Mg-Al-Zn合金層.研究結(jié)果表明:Mg-Al-Zn合金層主要由Mg-Al-Zn固溶體和Mg-Al-Zn金屬間化合物(Al6Mg10Zn,Al5MgllZn4)組成,該合金層不僅使ZM5鎂合金表面合金層顯微硬度顯著提高,而且在鹽水浸泡腐蝕過(guò)程中,在襯底與腐蝕介質(zhì)之間起到了良好的屏障作用,從而賦予試樣良好的腐蝕性能.

    Abstract:

    Metallic cementation treatment about Al, Zn elements on ZM5 magnesium alloy was conducted by solid diffusion.It was shown that the solid diffusion layer was mainly composed of Mg-Al-Zn intermetallic compounds and Mg-Al-Zn solid solution transition zone that had more Zn and Al elements than standard ZM5 magnesium substrate did. The test indicated that the microhardness values of Mg-Al-Zn intermetallic compounds were much higher than that of the substrate, and this would greatly contribute to the enhancement of wear resistance. The diffusion alloying layer was an effective corrosion barrier to decrease the corrosion rate for ZM5 magnesium alloy when exposed to 3.0% NaCl solutions.

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馬幼平 徐可為 潘希德 溫維新 劉鵬飛.表面擴(kuò)滲Al, Zn處理對(duì)ZM5鎂合金性能的影響[J].稀有金屬材料與工程,2005,34(3):433~435.[Ma Youping, Xu Kewei, Pan Xide, Wen Weixin, Liu Pengfei . Effect of Solid Diffusion Metallic Cementation on Properties of ZM5 Magnesium Alloy[J]. Rare Metal Materials and Engineering,2005,34(3):433~435.]
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  • 最后修改日期:2003-08-20
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