摘要
研究了热处理对改良铸造铝硅合金高温力学性能的影响,热处理制度为(495±3)℃×5 h固溶+(165±3)℃×6 h时效。结果表明,经热处理后,改良材料的组织变细,基体组织高度球化,Al2Cu、Al6Cu3N、AlxCuCe等析出物细小而弥散分布,提高了合金的高温性能。
Effects of heat treatment on high-temperature mechanical properties of modified cast Al-Si alloy were investigated.Heat treatment process for modified cast Al-Si alloy is（495±3） ℃× 5 h solution treatment,（165±3） ℃× 6 h aging treatment.The results of the study show that,after heat treatment,improved material organization becomes fine,and the matrix structures are spheroidize.Precipitation phase Al2Cu,Al6Cu3N,AlxCuCe which improve the alloy high-temperature properties are small and disperse.
出处
《热加工工艺》
CSCD
北大核心
2012年第3期13-15,共3页
Hot Working Technology
基金
广西大学有色金属及材料加工新技术教育部重点实验室开放基金资助项目(GXKFJ-01)
关键词
铸造铝硅合金
热处理
高温力学性能
cast Al-Si alloy
heat treatment
high-temperature mechanical property
