Effect of Solution Treatment on Blistering and Microstructure of High-Pressure Die Cast A380 Alloy
Conventional high-pressure die cast (HPDC) components are usually not heat-treatable to obtAln a comprehensively optimized property of strength, ductility and toughness since blistering occurs at the surface of the components during normal solution treatment cycle. In current paper, a low-temperature and short-time solution treatment technique for HPDC A380 alloy was investigated, and the effects of the solution treatment time on blistering and microstructures were studied. A finger shape die was used to produce standard plate shape specimens with 5 different wall thicknesses ranging from 1. 27mm to 6. 35 mm. The specimens were solution treated at 490℃ for different cycles. The microstructural changes of the solution treated specimens were metallographically observed and the results indicate that the eutectic silicon phase was spheroidized and the morphologies of Al2Cu and the Fe-contAlning phase changed as increasing the solution treatment time.
high pressure die casting A380 alloy solution treatment blistering
Wang Baishu Xiong Shoumei
State Key Laboratory of Automotive Safety and Energy, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China Key Laboratory of Advanced Structural Materials, Ministry of Education, Department of Materials Science and Engineering, Changchun University of Technology, No. 17 Yan an Street, Changchun 130012, China
国际会议
69th World Foundry Congress(第69届世界铸造会议 WFC 2010)
杭州
英文
150-157
2010-10-16（万方平台首次上网日期，不代表论文的发表时间）