用扫描电子显微镜和拉伸试验机研究了SWRH72A、SWRH82B珠光体钢丝在不同冷拔应变量下的显微组织与力学性能。结果表明: 不同冷拔应变量的钢丝在低应变量范围时, 随着应变的增大, 抗拉强度均随之升高, 抗拉强度与真应变基本上都呈线性关系; 但在大应变量下, 抗拉强度与应变量的关系与低应变时不一致; 在低应变量时珠光体钢丝中的珠光体团均发生转动, 且珠光体团长轴取向逐渐趋向于钢丝轴向方向; 钢丝在拉拔过程中形成平行于拉拔方向的〈110〉丝织构, 并随着应变量的增大该丝织构逐渐增强。
所属栏目
试验研究国家科技支持计划资助项目(2007BAE15B01)
收稿日期
2011/2/222011/10/1
作者单位
杨林江:重庆大学材料科学与工程学院, 重庆 400044
肖玄:重庆大学材料科学与工程学院, 重庆 400044
彭滔:重庆大学材料科学与工程学院, 重庆 400044
叶丽娜:重庆大学材料科学与工程学院, 重庆 400044
周正:重庆大学材料科学与工程学院, 重庆 400044
备注
杨林江(1985-), 男, 重庆人, 硕士研究生。
引用该论文:
YANG Lin-jiang,XIAO Xuan,PENG Tao,YE Li-na,ZHOU Zheng.Microstructure and Mechanical Properties of Pearlite Steel Wires with Different Strains[J].Materials for mechancial engineering,2012,36(3):26～30
杨林江,肖玄,彭滔,叶丽娜,周正.不同应变量下珠光体钢丝的组织和力学性能[J].机械工程材料,2012,36(3):26～30
被引情况:
【1】
肖玄,张航,杨林江,周正, "盐浴淬火高碳珠光体钢丝在冷拔过程中的显微组织及织构演变",机械工程材料
37, 39-43(2013)
【2】
彭滔,张航,甘文英,周正, "快速加热工艺对冷拔珠光体钢丝显微组织与力学性能的影响",机械工程材料
38, 37-41(2014)
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