网站首页期刊简介编委会过刊目录投稿指南广告合作征订与发行联系我们English
基于数值模拟和遗传算法的粉末材料参数反求
英文标题:Inverse method of powder material parameters based on numerical simulation and genetic algorithm
作者:段文 郎利辉 王刚 黄西娜 刘嘉杰 
单位:北京航空航天大学 
关键词:2A12铝合金粉末 屈服准则 遗传算法 热等静压成形 反向计算方法 
分类号:TF124
出版年,卷(期):页码:2016,41(12):131-136
摘要:

 提出一种基于试验、有限元模拟以及优化算法的反向求解过程来得到2A12铝合金粉末材料本构参数的方法。利用热等静压机制备圆柱形试验件并获取测量参数,采用MSC.Marc软件中的Shima模型对2A12铝合金粉末热等静压成形过程进行数值模拟,再利用遗传算法(GA)对数值模拟中2A12铝合金粉末材料本构参数进行优化调整。结果表明,粉末体由于包套的屏蔽效应,各个方向上的收缩率有一定差异,成形零件的几何形状与最初并不相似;利用环形件进行模型验证,优化参数后进行数值模拟结果和实际测量结果的相对误差,与直接利用原始参数进行数值模拟结果和实际测量结果的相对误差相比,有明显降低。

 An inverse method on powder material parameters was put forward based on experiment, simulation and optimization algorithm of the inverse solution process. Then, specimens were made by hot isostatic pressing equipment, and some geometric parameters were measured. Furthermore, the hot isostatic pressing process for powder material 2A12 was numerically simulated by Shima model in the MSC.Marc, and some of the parameters in the constitutive description were optimized and adjusted by Genetic Algorithm(GA). The results show that due to the shield effect of capsule, there are various shrinking ratios in different directions, so the final part is not similar with the original one. With the verification of circle specimen, the results show that the relative error between the simulated results and measured results decreases significantly comparing with the one only using original parameters. 

基金项目:
基金项目:国家科技重大专项(2014ZX04002041)
作者简介:
作者简介:段文(1991-),男,硕士研究生 E-mail:duanwen@buaa.edu.cn 通讯作者:郎利辉(1970-),男,博士,教授,博士生导师 E-mail:lang@buaa.edu.cn
参考文献:

 


 
[1]郎利辉,布国亮,薛勇,等.钛合金热等静压模拟本构关键参数确定及工艺优化
[J].塑性工程学报,2011, 18(4):34-38.

 

Lang L H, Bu G L, Xue Y, et al. Determine key of simulation constitutive and process optimization for titanium alloy (Ti-6Al-4V) hot isostatic processing
[J]. Journal of Plasticity Engineering, 2011,18(4):34-38

 


[2]郎利辉,续秋玉,张东星,等.钨合金粉末的热等静压数值模拟及验证
[J].粉末冶金材料科学与工程,2014,19(6):839-846.

 

Lang L H,Xu Q Y,Zhang D X,et al. Numerical simulation and verification of tungsten alloy powders during hot isostatic pressing
[J]. Materials Science and Engineering of Powder Metallurgy,2014, 19(6):839-846

 


[3]Andersson D C, Lindskog P,Larsson  P L. Inverse modeling applied for material characterization of powder materials
[J]. Journal of Testing and Evaluation, 2015, 43(5):1005-1019.

 


[4]Zhao K. Finite element analysis in hot isostatic pressing applications
[J].Advances in Powder Metallurgy & Aarticulate Mateials,1992,(2):439-449.

 


[5]Peter N. Comely: Manufacturing advantages of superplastically formed fine-grain Ti-6Al-4V alloy
[J]. Journal of Materials Engineering and Performance, 2004,13(6): 660-664.

 


[6]Dutton R E,Semiatin S L. The effect of density anisotropy on the yielding and flow behavior of partially consolidated powder compacts
[J].Semiatin:Metallurgical and Materials Transactions,1998,29A:1471-1475.

 


[7]邓学锋.耐热铝合金(FVS0812)半球形件温成形的有限元分析
[D].长沙:湖南大学,2006.

 

Deng X F. Finite Element Simulation on Warm Forming of Heat-Resistance Aluminum(FVS0812) Semispherical Component
[D]. Changsha: Hunan University,2006.

 


[8]汪俊,李从心,阮雪榆.粉末金属压制过程数值模拟建模方法
[J].机械科学与技术,2000,(3): 436-438.

 

Wang J, Li C X, Ruan X Y. Modeling approach for numerical simulation of powdered metal compacting process
[J]. Mechanical Science and Technology, 2000,19(3): 436-438.

 


[9]Shima S, Oyane M . Plasticity theory for porous metels
[J].Mechanical Science,1976,(18):285-291.

 


[10]喻思,郎利辉,姚松,等.TC11钛合金粉末涡轮盘热等静压成形数值模拟研究
[J].锻压技术,2015,40(3):115-121.

 

Yu S, Lang L H, Yao S, et al. Research on numerical simulation of hot isostatic pressing for turbine disk shaped by TC11 titanium alloy powder
[J]. Forging & Stamping Technology, 2015, 40(3): 115-121.

 


[11]张志.基于反向建模铝合金热介质成形材料性能研究及其过程数值模拟
[D].北京:北京航空航天大学,2006.

 Zhang Z . Research of Material Properties and Numerical Simulation for Aluminum Alloy Hot Medium Forming Based on Inverse Modeling
[D].Beijing: Beijing University of Aeronautics and Astronautics,2006.

 


[12]喻思,郎利辉,王刚,等.2A12铝合金粉末热等静压成形的性能研究
[J].粉末冶金工业,2015,25(5):42-46.

 

Yu Si, Lang L H,Wang G,et al. Study on the properties of 2A12 aluminum ahoy powder prepared by hot isostatic pressing
[J]. Powder Metallurgy Industry,2015,25(5):42-46

 


[13]陈晓艳.机械扩径过程的数值模拟与工艺参数优化
[D]. 秦皇岛:燕山大学,2006.

 

Chen X Y. FEM Simulation And Processing Parameters Optimization on Mechanical Expanding
[D]. Qinhuangdiao: Yanshan University,2006.
服务与反馈:
本网站尚未开通全文下载服务】【加入收藏
《锻压技术》编辑部版权所有

中国机械工业联合会主管 北京机电研究所有限公司 中国机械工程学会塑性工程分会主办
联系地址:北京市海淀区学清路18号 邮编:100083
电话:+86-010-82415085 传真:+86-010-62920652
E-mail: fst@263.net(稿件) dyjsjournal@163.com(广告)
京ICP备07007000号-9