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IF钢平面各向异性与制耳效应的研究 被引量:5

STUDY ON PLANAR ANISOTROPY AND EARING EFFECT OF IF STEEL
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摘要 分析了提高IF钢的冷轧压下率、调整Ti和Nb含量等方式对IF钢平面各向异性性能及后续深冲过程制耳的影响。结果表明,冷轧压下率从70%提高至82%,IF钢的各向异性性能得到改善;在冷轧压下率为82%时,加入适量Nb元素代替部分Ti,Δr和r值下降的同时制耳指数增加;制耳是塑性应变比和平面各向异性度综合作用的结果。 The effects of increasing cold rolling reduction rate and adjusting Ti and Nb contents on the plane anisotropy and earing of IF steel were analyzed.The results show that the anisotropic properties of IF steel are improved with the increasing of cold rolling reduction ratio from 70% to 82%;when the reduction ratio of cold rolling is 82%,the appropriate Nb is added to replace partial Ti,and the values of Δr and r decrease while the earing index increases.Earing is the combined effect of plastic strain ratio and plane anisotropy.
作者 史文礼 Shi Wenli(Department of Production and Manufacturing of HBIS Group Tangsteel Company,Tangshan,Hebei,063016)
出处 《河北冶金》 2019年第5期19-22,共4页 Hebei Metallurgy
关键词 IF钢 各向异性 深冲 制耳 IF steel planar anisotropy deep-drawing earing
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  • 1Zimnik W, Freier K, Hussy S ,et al.. Factors Influencing Planar Anisotropy of Batch-annealed Cold Strip.Mater. Tech., 1993, 64(8,9):420-424.
  • 2Hamanaka S, Ishimoto Y, Muneshita M,et al.. Effect of Temper Rolling on r-value of Cold Rolled Steel Sheet. Transactions ISIJ, 1985,25: B-78.

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