Transactions of Materials and Heat Treatment

Title：Surface topography evolution in the stamping process of galvanized sheet

Authors： Lu Baoshan Wang Leigang Huang Yao Xu Yating

Unit： Suzhou Institute of Industrial Technology Jiangsu University

KeyWords： galvanized sheet stamping surface topography topography modeling deformation

ClassificationCode：TG115.21

year,vol(issue):pagenumber：2016,41(10):47-51

Abstract：

In the stamping process of galvanized sheet, the surface topography often changes dynamically with time and space due to the induced effect of plastic deformation and significant influence of contact friction. The surface topographies of different deformation zones in Erichsen cupping test were measured by the WykoNT1100 non-contact optical profiler, and the surface topography models of different deformation zones were established based on the statistical method. Analysis results show that the surface topography is roughened with the increase of deformation, and the degrees of roughening in different deformation zones are different during the stamping process of galvanized sheet. The function curve of micro-peak height in punch fillet zone which has serious deformation is relatively flat, which indicates the data distributions of micro-peak height scatters, the roughness values is large, and the zinc coating severely exfoliates. The function curve in vertex zone, however, is lanky with centralized data, small roughness values and intact zinc coating. Moreover, the surface topography is also affected by the contact friction.

Funds：

国家自然科学基金资助项目（51275216）；江苏高校品牌专业建设工程资助项目（PPZY2015B186）

作者简介：陆宝山(1981-)，男，博士研究生 E-mail：lubs@siit.edu.cn；通讯作者：王雷刚(1963-)，男，教授，博士生导师 E-mail：lgwang@mail.ujs.edu.cn

Reference：

[1]Garza L G, Van Tyne C J. Friction and formability of galvannealed interstitial free sheet steel[J]. Journal of Materials Processing Technology,2013, 187(12): 164-168.

[2]姚贵升. 钢板表面形貌对冲压成形性能和油漆后外观质量的影响[J]. 宝钢技术，2001, 13(12):12-18

Yao G S. Effect of surface morphology of steel sheet on stamping formability and appearance quality of paint[J]. Baosteel Technology, 2001, 13(12):12-18

[3]Hou Y K, Yu Z Q, Zhang W G, et al. Surface topography evolvement of galvanized steels in sheet metal forming[J]. Trans. Nonferrous Met. Soc. China, 2011, 19: 305-310.

[4]张凯，陈光南，张坤，等. 塑性变形导致的镀锌板基体表面粗糙化现象[J]. 塑性工程学报, 2008, 15(6):1-3.

Zhang K, Chen G N, Zhang K, et al. Surface roughening of substrate of galvanized sheet induced by plastic deformation[J]. Journal of Plasticity Engineering, 2008, 15(6):1-3.

[5]张伟，李志刚. 铝合金板表面形貌模型的研究[J]. 中国机械工程, 2013,18(4):292-295.

Zhang W, Li Z G. Research on the topography model of aluminum alloy sheet surface[J]. China Mechanical Engineering, 2013,18(4): 292-295.

[6]刘驰. 翼子板冲压工艺及成形分析[J]. 锻压技术, 2014, 39(4):20-24.

Liu C. Stamping process and forming analysis of fender[J]. Forging & Stamping Technology , 2014, 39(4):20-24.

[7]姚贵升. 汽车用钢应用技术[M]. 北京:机械工业出版社, 2015.

Yao G S. Application Technology of Automobile Steel[M]. Beijing: China Machine Press, 2015.

[8]徐兵. 基于Wyko NT1100表面轮廓仪的光纤端面检测[J].计量与测试技术，2013,40(3):35-36.

Xu B. Testing the ends of optical fibers surface profiler by Wyko NT1100[J]. Metrology and Testing Technology, 2013,40(3)35-36.

[9]袁长良，丁志华，武文堂. 表面粗糙度及其测量[M]. 北京：机械工业出版社, 2009.

Yuan C L. Ding Z H, Wu W T. Surface Roughness and its Measurement[M]. Beijing: China Machine Press, 2009.

[10]孟丽芬,胡成亮,赵震. 金属塑性成形中摩擦模型的研究进展[J].模具工业,2014,40(4):1-7.

Meng L F, Hu C L, Zhao Z. Research progress of friction model in metal plastic forming[J]. Die & Mould Industry, 2014, 40(4):1-7.

[11]李波,康永林,朱国明.汽车用合金化热镀锌钢板摩擦特性研究[J].材料科学与工艺,2013,21(5):88-94.

Li B, Kang Y L, Zhu G M. Friction characteristics of automotive galvannealed steel sheets[J]. Materials Science and Technology, 2013, 21(5):88-94.

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