理化检验-物理分册2018，Vol.54Issue(5)：339-342,4.DOI:10.11973/lhjy-wl201805008
ADC12铝合金压铸缸体硬质点分析及改进措施
Analysis and Improvement Measures for Hard Spots of ADC12 Aluminum Alloy Die Casting Cylinder
摘要
Abstract
Hard spots were found in the die cast cylinder block of ADC12 aluminum alloy.The knife phenomenon appeared during machining and the product formed the micro cracks.The causes of hard spots in ADC1 2 aluminum alloy die casting cylinder block were analyzed by methods of hardness testing,composition analysis,metallographic examination,scanning electron microscopy and energy spectrum analysis.The results show that the hard spots formed after the impurities enter into the die casting cylinder block of the aluminum alloy,cause by low purity of nitrogen,aluminum water,and not slagging in time.Therefore,the knife phenomenon appeared during machining.Finally,the corresponding improvement measures are presented.关键词
ADC12铝合金/硬质点/压铸缸体Key words
ADC12 aluminum alloy/hard spot/die casting cylinder分类
矿业与冶金引用本文复制引用
印小松,刘宏庆,柯研,康忠臣..ADC12铝合金压铸缸体硬质点分析及改进措施[J].理化检验-物理分册,2018,54(5):339-342,4.
