析出相和织构对5052合金和新型Al-Fe-Mn变形铝合金PLC效应的影响
Effect of Precipitate and Texture on PLC Effect of 5052 Alloy andNew Al-Fe-Mn Wrought Aluminum Alloy
摘 要
参考5052合金,通过去除镁元素,调整铁、锰、铬及稀土元素的含量,开发了新型Al-Fe-Mn变形铝合金,研究了析出相和织构对2种铝合金PLC (Portevin-Le Chatelier)效应的影响。结果表明:5052合金中存在强烈轧制织构Brass{110}〈112〉,产生了明显的PLC效应,且合金中大量析出的细小Mg2Al3相与位错相互作用使得PLC效应随塑性应变增加而先强后弱;Al-Fe-Mn合金中再结晶织构Cube{001}〈100〉占主体,使得合金塑性较好,且尺寸较大的FeAl3析出相对位错的钉扎作用较弱,合金未发生PLC效应。
变形铝合金
析出相
织构
PLC effect
wrought aluminum alloy
precipitate
texture
Abstract
Referring to 5052 alloy, a new Al-Fe-Mn wrought aluminum alloy was developed by removing Mg and adjusting the content of Fe, Mn, Cr and rare earth elements, and the effects of precipitate and texture on PLC (Portevin-Le Chatelier) effect of the two aluminum alloys were studied. The results show that a strong rolling texture Brass{110}〈112〉 was formed in 5052 alloy, which produced an obvious PLC effect, and the interaction between a large amount of fine Mg2Al3 phase precipitated in the alloy and dislocation made the PLC effect stronger first and then weaker with increasing plastic strain. The Al-Fe-Mn alloy was mainly composed of recrystallized texture Cube{001}〈100〉, resulting in high plasticity of the alloy, and the FeAl3 precipitate with larger size had relatively weak pinning effect on dislocation, and no PLC effect occurred in the alloy.
中图分类号 TG146.21 DOI 10.11973/jxgccl202205004
所属栏目 试验研究
基金项目 江苏省成果转化专项资金项目(BA2020040)
收稿日期 2022/2/14
修改稿日期 2022/4/11
网络出版日期
作者单位点击查看
备注张全成(1973-),男,安徽萧县人,高级工程师,博士
引用该论文: ZHANG Quancheng. Effect of Precipitate and Texture on PLC Effect of 5052 Alloy andNew Al-Fe-Mn Wrought Aluminum Alloy[J]. Materials for mechancial engineering, 2022, 46(5): 22～27
张全成. 析出相和织构对5052合金和新型Al-Fe-Mn变形铝合金PLC效应的影响[J]. 机械工程材料, 2022, 46(5): 22～27
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参考文献
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【2】HOOPER W H L.The influence of composition on the incidence of strain markings in aluminium alloys[J].The Journal of the Institute of Metals, 1953, 81(11):563-568.
【3】胡琦.铝合金中Portevin-Le Chatelier效应的实验研究和数值模拟[D].合肥:中国科学技术大学,2011. HU Q.Investigations on the portevin-le Chatelier effect in Al alloys:experiments and simulations[D].Hefei:University of Science and Technology of China,2011.
【4】JIANG H F,ZHANG Q C,CHEN X D,et al.Three types of Portevin-Le Chatelier effects:experiment and modelling[J].Acta Materialia,2007,55(7):2219-2228.
【5】DAROWICKI K,ORLIKOWSKI J.Impedance analysis of Portevin-Le Chatelier effect on aluminium alloy[J].Electrochimica Acta,2007,52(12):4043-4052.
【6】HÄHNER P.On the critical conditions of the Portevin-Le Chȃtelier effect[J].Acta Materialia,1997,45(9):3695-3707.
【7】刘政.Al-4.5Zn-1.8Mg-0.5Cu合金晶粒控制及PLC效应研究[D].重庆:重庆大学,2018. LIU Z.Study on grain size control and PLC effect in Al-4.5Zn-1.8Mg-0.5Cu alloy[D].Chongqing:Chongqing University,2018.
【8】林均品.Mg含量对Al-Mg合金动态再结晶的影响[J].北京科技大学学报,1997,19(1):47-51. LIN J P.Effect of Mg content on dynamic recrystallization behaviours of Al-Mg alloys[J].Journal of University of Science and Technology Beijing,1997,19(1):47-51.
【9】ZHANG J X,MA M,LIU W C.Effect of initial grain size on the recrystallization and recrystallization texture of cold-rolled AA 5182 aluminum alloy[J].Materials Science and Engineering:A,2017,690:233-243.
【10】SAAD G,FAYEK S A,FAWZY A,et al.Serrated flow and work hardening characteristics of Al-5356 alloy[J].Journal of Alloys and Compounds,2010,502(1):139-146.
【11】MA P C,ZHANG D,ZHUANG L Z,et al.Effect of alloying elements and processing parameters on the Portevin-Le Chatelier effect of Al-Mg alloys[J].International Journal of Minerals,Metallurgy,and Materials,2015,22(2):175-183.
【12】佘欣未.Er、Zr、Sr等微量元素对5052合金组织和性能的影响[D].重庆:西南大学,2016. SHE X W.Effect of trace elements such as Er, Zr, and Sr on the organization and properties of the 5052 alloy[D].Chongqing:Southwest University,2016.
【13】WEN W,ZHAO Y M,MORRIS J G.The effect of Mg precipitation on the mechanical properties of 5xxx aluminum alloys[J].Materials Science and Engineering:A,2005,392(1/2):136-144.
【14】LOUCIF A,FIGUEIREDO R B,BAUDIN T,et al.Ultrafine grains and the Hall-Petch relationship in an Al-Mg-Si alloy processed by high-pressure torsion[J].Materials Science and Engineering:A,2012,532:139-145.
【15】马全仓,毛卫民,冯惠平.工业铝板的低应变量拉伸变形行为[J].塑性工程学报,2005,12(6):89-93. MA Q C,MAO W M,FENG H P.Tensile behavior of commercial aluminum sheets at low deformation degree[J].Journal of Plasticity Engineering,2005,12(6):89-93.
【16】高钰璧,丁雨田,陈建军,等.挤压态GH3625合金冷变形过程中的组织和织构演变[J].金属学报,2019,55(4):547-554. GAO Y B,DING Y T,CHEN J J,et al.Evolution of microstructure and texture during cold deformation of hot-extruded GH3625 alloy[J].Acta Metallurgica Sinica,2019,55(4):547-554.
【17】杨勇,张全成,田青超.5052铝合金板析出相表征[J].轻合金加工技术,2022,50(1):25-32. YANG Y,ZHANG Q C,TIAN Q C.Characterization of 5052 aluminum alloy sheet precipitation phase[J].Light Alloy Fabrication Technology,2022,50(1):25-32.
【18】杨勇,张全成,田青超.中间退火对5052铝合金组织与性能的影响[J].上海金属,2021,43(1):13-19. YANG Y,ZHANG Q C,TIAN Q C.Effect of intermediate annealing on microstructure and mechanical properties of 5052 aluminum alloy[J].Shanghai Metals,2021,43(1):13-19.
【19】ROBINSON J M,SHAW M P.Microstructural and mechanical influences on dynamic strain aging phenomena[J].International Materials Reviews,1994,39(3):113-122.
【20】CHMELÍK F,PINK E,KRÓL J,et al.Mechanisms of serrated flow in aluminium alloys with precipitates investigated by acoustic emission[J].Acta Materialia,1998,46(12):4435-4442.
【21】LIU J T,MORRIS J G.Recrystallization microstructures and textures in AA 5052 continuous cast and direct chill cast aluminum alloy[J].Materials Science and Engineering:A,2004,385(1/2):342-351.
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