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AZ61鎂合金電磁攪拌的研究及力場(chǎng)分析
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TG146.2

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Supported by the National Natural Science Foundation of China (50234020 & 50475157), and the Key Project by Ministry of Education of China (105052)


Research on AZ61 Magnesium Alloy by Electromagnetic Stirring and Force Field Analysis
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    摘要:

    采用永磁體攪拌的方法制備了AZ61鎂合金。對(duì)其組織和腐蝕性能進(jìn)行了研究。以電磁場(chǎng)和磁流體動(dòng)力學(xué)原理為基礎(chǔ),分析了旋轉(zhuǎn)永磁體磁場(chǎng)內(nèi)液態(tài)金屬的受力。結(jié)果表明:液態(tài)金屬在永磁體攪拌過程中,受到大小和方向周期變化的徑向力和切向力;在這一效果(即電磁振蕩)的作用下。凝固組織發(fā)生變化,進(jìn)而影響到基體的腐蝕性能.

    Abstract:

    The microstructure and the corrosion property of AZ61 magnesium alloy stirred by permanent magnet (PM) were investigated. Based on the principle of electromagnetic field and magnetohydrodynamics, the force field of liquid metal in a PM field was analyzed. As a result, liquid metal in a PM experiences radial and tangential forces that are cyclically variational both in direction and magnitude. This phenomenon, namely electromagnetic vibration, influences matrix microstructure, subsequently affects corrosion property of the matrix.

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房燦峰 張興國(guó) 季首華 郝海 金俊澤. AZ61鎂合金電磁攪拌的研究及力場(chǎng)分析[J].稀有金屬材料與工程,2007,36(1):170~173.[Fang Canfeng, Zhang Xingguo, Ji Shouhua, Hao Hai, Jin Junze. Research on AZ61 Magnesium Alloy by Electromagnetic Stirring and Force Field Analysis[J]. Rare Metal Materials and Engineering,2007,36(1):170~173.]
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  • 最后修改日期:2006-04-11
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