基于Dynaform模拟冲压工艺对17%Cr超纯铁素体不锈钢表面<br/>起皱的影响<sup>*</sup>

doi:10.11896/j.issn.1005-023X.2017.08.031

Abstract
Figure/Table
References
Related Citation (10)

Download:

Full Text ( PDF ) (2014KB)
Export: BibTeX | EndNote (RIS)

Abstract The influence of equivalent strain and reduction ratio of stamping process on surface ridging of 17%Cr ultra-pure ferrite stainless steel were studied by combination of Dynaform software and experiment vertification. The results showed that stamping ridging of 17% Cr ultra-pure ferrite stainless steel was not generated at the initial stage, it was generated until a certain degree of deep drawing. The improvement ridging effect of 17%Cr ultra-pure ferrite stainless steel was not obvious, under the model of constant speed and acceleration speed for stamping process from 10-40 mm/min. Based on Dynaform finite element analysis, the improvement blank-holder force could enhance reduction ratio of deep drawing, which has no obvious effect on the equivalent strain. The reduction ratio and equivalent strain on cross section area was slightly different, and the value of reduction ratio was ranked in decreasing order: 45°＜0°＜90°, while the rule is opposite for equivalent strain. In addition, the intermediate annealing process can obviously improve the inside ridging of deep drawing parts when first drawing depth below the critical ridging in deep drawing depth, while the effect was limited for outside ridging.

Key words： 17%Cr Dynaform ridging constant speed mode equivalent strain

Published: 25 April 2017 Online: 2018-05-02

CLC number:

TG142

	Service
	E-mail this article
	Add to my bookshelf
	Add to citation manager
	E-mail Alert
	RSS
	Articles by authors
	ZHANG Yuan
	LI Jingyuan
	FANG Zhi
	CHEN Yulai

Cite this article:

ZHANG Yuan,LI Jingyuan,FANG Zhi, et al. Influence of Stamping Process by Dynaform Simulation on the Surface Ridging of 17%Cr Ultra-pure Ferritic Stainless Steel[J]. Materials Reports, 2017, 31(8): 156-161.

URL:

https://www.mater-rep.com/EN/10.11896/j.issn.1005-023X.2017.08.031 OR https://www.mater-rep.com/EN/Y2017/V31/I8/156

1 Jung I, et al. Influence of the cold rolling and annealing sequence on the ridging behaviour of Ti-stabilized 18% Cr ferritic stainless steel[J].Steel Res Int,2010,81(12):1089.
2 Wu P D, Lloyd D J, Huang Y. Correlation of ridging and texture in ferritic stainless steel sheet[J]. Mater Sci Eng A,2006,427(1-2):241.
3 Wu P D, Jin H, Shi Y, et al. Analysis of ridging in ferritic stainless steel sheet[J]. Mater Sci Eng A,2006,423(1-2):300.
4 Miyamoto H, Xiao T, Uenoya T, et al. Effect of simple shear deformation prior to cold rolling on texture and ridging of 16% Cr ferritic stainless steel sheets[J]. ISIJ Int,2010,50(11):1653.
5 Tsuchiyama T, Hirota R, Fukunaga K, et al. Ridging-free ferritic stainless steel produced through recrystallization of lath martensite[J]. ISIJ Int,2005,45(6):9239.
6 Brrchu M, Yokota T, Satoh S.Analysis of grain colonies in type 430 ferritic stainless steels by electron back scattering diffraction (EBSD) [J]. ISIJ Int,1997,37:872.
7 Shin H J, An J K, Park S, et al. The effect of texture on ridging of ferritic stainless steel [J]. Acta Mater,2003,51(16):4693.
8 Wu P D, Jin H, Shi Y, et al. Analysis of ridging in ferritic stainless steel sheet [J]. Mater Sci Eng A,2006,423(1-2):300.
9 Fang Zhi, Li Jingyuan, Chen Yulai, et al. Research on ridging of 17Cr% ultra-pure ferritic stainless steel after enlongated along va-rious directions[J]. Acta Metall Sin,2016,52(1):33(in Chinese).
方智, 李静媛, 陈雨来,等. 17%Cr超纯铁素体不锈钢不同方向拉伸起皱的研究[J]. 金属学报,2016,52(1):33.
10 Nie Huihui, Chi Chengzhong, Huang Lili, et al. Prediction of limit drawing cocffcient for cylinder based on plastic strain ration [J]. Forging Stamping Technol,2013,38(1): 143(in Chinese).
聂慧慧, 池成忠, 黄莉莉,等. 基于塑性应变比的圆筒形件极限拉深系数预测[J]. 锻压技术,2013, 38(1):143.
11 Huh M Y, Lee J H, Park S H, et al. Effect of through-thickness macro and micro-texture gradients on ridging of 17% Cr ferritic stainless steel sheet[J]. Steel Res Int,2005,76(11):797.
12 Mola J, et al. Ridging control in transformable ferritic stainless steels[J]. Metall Mater Trans A,2012,43(1):228.
13 Mola J, Chae D, De Cooman B C. Influence of texture on ridging and formability of 16% Cr ferritic stainless steel[J]. Solid State Pheno-mena,2010,160:153.
14 Zhang Chi, Liu Zhenyu, Huai Bei, et al. Effects of addition of Nb and Ti on solidification structure andsurface ridging of an ultra purified ferritic stainless steel [J]. Trans Mater Heat Treatment,2011,32(9):23(in Chinese).
张驰, 刘振宇, 淮北,等. Nb和Ti对超纯铁素体不锈钢凝固组织及表面起皱的影响[J]. 材料热处理学报,2011,32(9):23.
15 Nilsson A, et al. Using asymmetrical rolling for increased production and improved material properties [R]. Report of Research Program of the Research Fund for Coal and Steel,2006-2009,2009.