对5182铝合金冷轧板材进行了不同温度退火处理及退火后的单向拉伸试验、杯突试验以及微观组织表征.结果表明:随着退火温度的升高,屈服强度和抗拉强度逐渐降低,在300~325℃范围内,分别由原来的240MPa、379MPa快速降低到114MPa、258MPa;杯突值由原来的5.77 mm提高到了8.75 mm;同时,应变硬化指数也大幅度提高,当退火温度达到325℃,并保温30min,冷轧板材已经发生了完全再结晶.
参考文献
[1] | Miller W S;Zhuang L;Bottema J et al.Recent development in aluminium alloys for the automotive industry[J].MATERIALS SCIENCE & ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2000,280(1):37. |
[2] | 宁爱林,刘志义,曾苏民,莫亚武.铝合金形变热处理工艺研究进展[J].材料导报,2007(03):74-76,80. |
[3] | 邓学峰,张辉,陈振华.铝合金板成形性及成形工艺研究现状[J].材料导报,2005(12):56-59. |
[4] | 王孟君,黄电源,姜海涛,任杰.退火对汽车用5182铝合金板材组织与性能的影响[J].金属热处理,2007(09):18-20. |
[5] | Tamimi S;Correia J P;Lopes A B et al.Asymmetric ro lling of thin AA-5182 sheets:Modelling and experiments[J].MATERIALS SCIENCE & ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2014,603:150. |
[6] | Liu WC;Morris JG .Effect of initial texture on the recrystallization texture of cold rolled AA 5182 aluminum alloy[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2005(1/2):215-227. |
[7] | Liu W C;Morris J G .Effect of pre-treatment on recrystalli zation and recrystallization textures of cold rolled CC AA 5182 aluminum alloy[J].MATERIALS SCIENCE & ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2003,363(1):253. |
[8] | 海朝智,马建华.5052H34铝合金板材生产工艺研究[J].轻合金加工技术,2000(12):14-17. |
[9] | 张新明,吴文祥,蹇雄,周卓平.退火过程中AA3003铝合金的析出行为[J].中国有色金属学报,2005(05):675-679. |
[10] | Burger G B;G upta A K;Jeffrey P W et al.Microstructural control of aluminum sheet used in automotive applica tions[J].Materials Characterization,1995,35:23. |
[11] | 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(08):19-21,29. |
[12] | 袁晓鸣 .退火工艺对5182铝合金组织及力学性能的影响[D].内蒙古工业大学,2010. |
[13] | 马英义,徐崇义,宛亚坤.5182H32板材生产工艺研究[J].轻合金加工技术,2000(04):15-17. |
[14] | 黄星星 .5182铝合金热变形及再结晶研究[D].中南大学,2012. |
[15] | Huh MY.;Engler O.;Cho SY. .Randomization of the annealing texture in aluminum 5182 sheet by cross-rolling[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2001(1/2):35-46. |
[16] | Ayres R A;Wenner M L .Strain and strain-rate hardening effects in punch stretching of 5182-0 aluminum at elevated temperatures[J].METALLURGICAL TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE,1979,10(1):41. |
[17] | Li, J.;Carsley, J.E.;Stoughton, T.B.;Hector Jr., L.G.;Hu, S.J..Forming limit analysis for two-stage forming of 5182-O aluminum sheet with intermediate annealing (Conference Paper)[J].International Journal of Plasticity,2013:21-43. |
[18] | 王孟君,黄电源,姜海涛.汽车用铝合金的研究进展[J].金属热处理,2006(09):34-38. |
[19] | 关绍康,姚波,王迎新.汽车铝合金车身板材的研究现状及发展趋势[J].机械工程材料,2001(05):12-14,18. |
[20] | Zhu Qingfeng et al.Effect of combined electromagnetic fields on surface quality and structure of a HDC casting 5182 Al alloy ingot[J].Acta Metall Sinica,25(6):453. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%