| 锡对Ly12铝合金化铣蚀坑的影响 |
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| 引用本文： | 王洪祥,赵铁民.锡对Ly12铝合金化铣蚀坑的影响[J].东北大学学报(自然科学版),1994,15(4):430-433. |
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| 作者姓名： | 王洪祥 赵铁民 |
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| 作者单位： | 东北大学，中科院金属研究所，沈阳工业大学 |
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| 摘 要： | 本文研究了Ｓｎ对Ｌｙ１２铝合金化铣蚀坑的影响。结果表明，加Ｓｎ合金化铣后，不出现蚀坑，硬度高于不加Ｓｎ合金的硬度，产生上述作用的原因是合金中加Ｓｎ后抑制了第二相沿晶界的析出。
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| 关 键 词： | 铝合金 化学铣切 蚀坑 时效硬化 锡 |
Effect of Tin on Etch Pits due to Chemical Milling in Ly12Aluminium Alloy |
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| Wang Hongxiang,Zhao Tiemin, Liu Liping.Effect of Tin on Etch Pits due to Chemical Milling in Ly12Aluminium Alloy[J].Journal of Northeastern University(Natural Science),1994,15(4):430-433. |
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| Authors: | Wang Hongxiang Zhao Tiemin Liu Liping |
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| Institution: | Wang Hongxiang;Zhao Tiemin; Liu Liping |
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| Abstract: | The effect of tin on etch pits due to chemical milling in Ly12 alloy was investigated. It wasshown that no appearance of etch pits is found after chemical milling if adding Sn into the alloy. Moreover,the hardness of Sn-added alloy is higher than that without Sn after chemical milling. The reason was foundthat the Sn addition in alloy can supress the precipitation of second phase along grain boundaries. |
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| Keywords: | aluminium allloy chemical milling etch pit age hardening |
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