3003铝合金无缝管制备过程中的显微组织与力学性能变化
Change of Microstructure and Mechanical Properties of 3003 Aluminum Alloy Seamless Tube During Preparing
摘 要
研究了制备过程中不同状态下3003铝合金无缝管的组织、力学性能及拉伸断口形貌。结果表明: 3003铝合金铸锭适宜的均匀化退火制度为600 ℃×5 h; 热挤压过程发生动态再结晶生成了等轴晶粒, 冷加工后沿变形方向产生明显的变形组织, 400 ℃退火1 h后力学性能较好; 不同状态下的拉伸断口上有许多细小的等轴状韧窝, 退火后的韧窝变大变深, 塑性明显变好。
显微组织
力学性能
断口形貌
3003 aluminum alloy seamless tube
microstructure
mechanical property
fracture morphology
Abstract
The microstructure, mechanical properties and tensile fracture morphology of 3003 aluminum alloy seamless tube in different states during preparing were studied. The results show that the appropriate homogenization annealing schedule of 3003 aluminum alloy ingot was 600 ℃×5 h. The equiaxial grains generated during the hot extruding because of happening dynamic recrystallization. The apparent deformation structure along the deformation direction was found after cold working, and the mechanical properties were fairly well after annealing at 400 ℃ for 1 h. A lot of fine equiaxial dimples were found on tensile fracture in different states, and the dimples became bigger and deeper and the plasticity obviously decreased after annealing at 400 ℃ for 1 h.
中图分类号 TG146.21
所属栏目 试验研究
基金项目 国家“863”高技术研究资助项目(2006AA03Z523)
收稿日期 2011/4/18
修改稿日期 2011/12/25
网络出版日期
作者单位点击查看
备注陈琴(1987-), 女, 江西宜春人, 硕士研究生。
引用该论文: CHEN Qin,PAN Qing-lin,LIU Chang,MO Jian-xin,ZHANG Zhi-ye. Change of Microstructure and Mechanical Properties of 3003 Aluminum Alloy Seamless Tube During Preparing[J]. Materials for mechancial engineering, 2012, 36(4): 21～25
陈琴,潘清林,刘畅,莫建新,张志野. 3003铝合金无缝管制备过程中的显微组织与力学性能变化[J]. 机械工程材料, 2012, 36(4): 21～25
被引情况:
【1】吴圆丽,程超增, "高效综合熔体处理3003铝合金的热变形加工图",机械工程材料 38, 97-100(2014)
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【3】CHEN L, MORRIS J G. The precipitation behavior of strip cast 3004 aluminum alloy[J].Scripta Metallurgica, 1984, 18(12): 1365-1370.
【4】HUANG H W, OU B L. Evolution of precipitation during different homogenization treatments in a 3003 aluminum alloy[J].Materials & Design, 2009, 30(7): 2685-2692.
【5】LI Y J, ARNBERG L. Quantitative study on the precipitation behavior of dispersoids in DC-cast AA3003 alloy during heating and homogenization[J].Acta Materialia, 2003, 51(12): 3415-3428.
【6】蹇雄, 张新明, 唐建国, 等.不同均匀化制度对3003阴极箔比电容的影响[J].材料热处理学报, 2005, 26(2): 39-42.
【7】LI Y J, ARNBERG L. Solidification structure of DC-cast AA3003 alloy and its influence on homogenization[J].Aluminium, 2002, 78(10): 834-839.
【8】LI Y J, ARNBERG L. Precipitation of dispersoids in DC-cast AA3003 Alloy[J].Materials Science Forum, 2002, 396/402: 875-880.
【9】吴文祥, 张新明, 唐建国, 等.3003铝合金箔制备过程中的组织演变[J].金属热处理, 2006, 31(3): 36-39.
【10】JONAS J J, SELLARS C M, TEGART W J M. Strength and structure under hot working conditions[J].International Metallurgical Reviews, 1969, 14: 1-24.
【11】寇生中, 徐丽珠, 马英杰.退火温度对冷轧态3003铝合金组织性能的影响[J].热加工工艺, 2008, 37(4): 55-56.
【12】张新明, 吴文祥, 刘胜胆, 等.AA3003铝合金的析出与再结晶[J].中南大学学报, 2006, 37(1): 1-5.
【13】范雅铭.退火温度对3004铝合金板材组织和性能的影响[J].轻合金加工技术, 2003, 31(8): 19-21.
【14】张德芬, 胡卓超, 左良, 等.3004铝合金再结晶织构及其显微组织[J].东北大学学报: 自然科学版, 2004, 25(9): 840-843.
【15】汤安民.铝合金材料断裂形式变化规律的试验分析[J].西安理工大学学报, 2003, 19(3): 16-21.
【16】朱浩, 朱亮.不同应力状态下铝合金变形及损伤机理的研究[J].稀有金属材料与工程, 2007, 36(4): 597-601.
【17】孙光鹏, 郝蔚琪.3003铝合金中第二相在不同工艺条件下的形态及其变化[J].轻合金加工技术, 2003, 31(11): 46-49.
【18】CHEN S P, KUIJPERS N C W, VAN D Z S. Effect of micro-segregation and dislocations on the nucleation kinetics of precipitation in aluminum alloy AA3003[J].Materials Science and Engineering A, 2003, 341(1/2): 296-306.
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