利用电子背散射衍射技术对高碳钢盘条冷拉拔过程中的织构、泰勒因子和取向差演变进行了表征,根据泰勒因子的变化解释了织构的演变过程,讨论了演变机制,同时,也初步研究了取向差的相关联和非相关联分布。结果表明:随着拉拔应变量的增大,盘条中泰勒因子统计平均值大于3的晶粒所占比率逐步增加,说明在连续冷拉拔过程中,〈113〉丝织构向〈110〉丝织构发生了转变;珠光体团明显变形,导致小角度晶界数量显著增多;当应变量较小时,非相关联分布与Mackenzie分布一致;当应变量较大时,非相关联取向差分布图在20°和55°附近均出现峰值,反映出位错增殖和小角度晶界向大角度晶界发生了转变。
所属栏目
试验研究
收稿日期
2015/12/22016/12/2
作者单位
张珂:江苏省(沙钢)钢铁研究院, 张家港 215625
吴园园:江苏省(沙钢)钢铁研究院, 张家港 215625
许峰:江苏省(沙钢)钢铁研究院, 张家港 215625
王雷:江苏省(沙钢)钢铁研究院, 张家港 215625
备注
张珂(1982-),男,湖北荆门人,高级工程师,博士。
引用该论文:
ZHANG Ke,WU Yuan-yuan,XU Feng,WANG Lei.Evolution of Texture, Taylor Factor and Disorientation of High Carbon Steel Wire Rod during Cold Drawing[J].Materials for mechancial engineering,2017,41(2):34~39
张珂,吴园园,许峰,王雷.高碳钢盘条在冷拉拔过程中织构、泰勒因子和取向差的演变[J].机械工程材料,2017,41(2):34~39
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