高效综合熔体处理3003铝合金的热变形加工图
Hot Deformation Processing Map of 3003 Aluminum Alloy Treated by High Efficient Comprehensive Melt
摘 要
根据动态材料模型和Prasad失稳准则, 利用Gleeble-1500型动态热/力模拟试验机对高效综合熔体处理的3003铝合金进行了等温热压缩试验, 分别建立了功率耗散图、热加工失稳图和热变形加工图, 探讨了在热压缩变形过程中该铝合金的变形规律。结果表明: 3003铝合金的最佳加工区域出现在中高温、中高应变速率的热变形条件下, 最大功率耗散率为55.64%;在变形温度573～648 K、应变速率0.4～10 s-1的区域, 以及变形温度698～773 K、应变速率0.01～0.1 s-1的区域会出现加工失稳现象, 热变形加工时应尽量避免此区域。
热模拟
热变形加工图
3003 aluminum alloy
thermal simulation
hot deformation processing map
Abstract
According to the dynamic material modeling and the Prasad instability criterion, isothermal compress tests were carried out on a Gleeble-1500 dynamic thermal-mechanical machine for 3003 aluminum alloy after high efficient comprehensive melt treatment. The power dissipation chart, hot processing instability chart and hot deformation processing map of the alloy were established;the deformation regulations of the aluminum alloy during hot compressive deformation were investigated. The results show that the best processing region appeared in the conditions of medium or high deformation temperature and strain rate for 3003 aluminum alloy, in which the efficiency of power dissipation value was 55.64%. However, instable processing regions appeared at deformation temperature of 573-648 K and strain rate of 0.4-10 s-1 or deformation temperature of 698-773 K and strain rate of 0.01-0.1 s-1, which should be avoided during thermal deformation processing.
中图分类号 TG335.11
所属栏目 物理模拟与数值模拟
基金项目 福建省教育厅B类科技项目(JB13290)
收稿日期 2013/9/30
修改稿日期 2014/10/12
网络出版日期
作者单位点击查看
备注吴园丽(1974-), 女, 福建福州人, 讲师, 硕士。
引用该论文: WU Yuan-li,CHENG Chao-zeng. Hot Deformation Processing Map of 3003 Aluminum Alloy Treated by High Efficient Comprehensive Melt[J]. Materials for mechancial engineering, 2014, 38(12): 97～100
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[J]. 机械工程材料, 2014, 38(12): 97～100
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【3】FU Gao-sheng, QIAN Kuang-wu, CHEN Wen-zhe. Feature of flow stress of aluminum sheet used for can during hot compression［J］. Trans Nonferrous Met Soc China, 2000, 10(5):671-674.
【4】陈琴,潘清林,刘畅,等.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.
【5】FU Gao-sheng, CHEN Wen-zhe. Behavior of flow stress of aluminum sheet used for pressure can during compression at elevated temperature ［J］. Acta Metallurgica Sinica, 2005, 18(6):756-762.
【6】黄元春,朱弘源,肖政兵.时效工艺对3003铝合金阴极箔组织比电容和表面腐蚀形貌的影响［J］.机械工程材料,2013,37(1):25-28.
【7】孟显娜,钟华萍,张辉,等.Al-1.1Mn-0.3Mg-0.25RE合金的热变形行为及其加工图［J］.机械工程材料,2011,35(7):17-21.
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【10】PRASAD Y V R K, SASTRY D H, DEEM S C, et al. Processing maps for hot working of a P/M iron aluminide alloy［J］.Intermetallics, 2000, 8:1067-1074.
【11】张志野,潘清林,周坚, 等.含钪铝锌镁锆合金的热变形加工图及其应用［J］.机械工程材料,2012,36(5):14-17.
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