| ZL101A熔模铸件气孔和夹渣的成因及防止办法 |
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| 引用本文： | 吴义志,孙维连,刘永昌,王会强,孙铂,郑树波.ZL101A熔模铸件气孔和夹渣的成因及防止办法[J].铸造技术,2011,32(5). |
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| 作者姓名： | 吴义志 孙维连 刘永昌 王会强 孙铂 郑树波 |
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| 作者单位： | 1. 河北农业大学机电工程学院,河北,保定,071000;河北省轻金属材料工程技术研究中心,河北,保定,071000
2. 河北省轻金属材料工程技术研究中心,河北,保定,071000 |
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| 摘 要： | 结合铸造厂的生产实际,研究了ZL101A在高温液态下的氧化机制.利用光学显微镜以及金相技术,分析了铸件内气孔和夹渣的显微组织彤貌,总结了缺陷产生的原因和防止方法.结果表明,采用铝液中通入氩气法可以有效防止铸件内气泡的产生;采用陶瓷过滤法可以有效防止铸件内夹渣的产生.
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| 关 键 词： | ZL101A熔模铸造 气孔 夹渣 合金浇注 |
Causes and Preventative Methods of Blow Hole and Slag Inside ZL101A Castings by Investment Casting |
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| WU Yi-zhi,SUN Wei-lian,LIU Yong-chang,WANG Hui-qiang,SUN Bo,ZHENG Shu-bo.Causes and Preventative Methods of Blow Hole and Slag Inside ZL101A Castings by Investment Casting[J].Foundry Technology,2011,32(5). |
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| Authors: | WU Yi-zhi SUN Wei-lian LIU Yong-chang WANG Hui-qiang SUN Bo ZHENG Shu-bo |
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| Affiliation: | WU Yi-zhi1,2,SUN Wei-lian1,LIU Yong-chang2,WANG Hui-qiang1,SUN Bo1,ZHENG Shu-bo2(1.College of Mechanical and Electric Engineering,Agricultural University of Hebei,Baoding 071000,China,2.Light Metal Material Engineering Technology Research Center of Hebei,China) |
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| Abstract: | According to the foundry production practice,the mechanism of oxidation of aluminum melt at high temperature and the formation of blow hole and slag inclusion inside the ZL101A castings were researched.The microstructure of blow hole and slag within the casting was analyzed using the optical microscope.The causes of the defect formation and its prevention method was summarized.The results show that it can effectively prevent blow hole defect as the argon is introduced into liquid aluminum;and the ceramic fi... |
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| Keywords: | ZL101A Investment casting Blow hole Slag Alloy pouring |
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