对B16、Q345R、A106和2.25Cr1Mo四种钢进行了连续球压痕试验, 并按照所提出的方法对试验获得的载荷-位移曲线进行处理, 通过引入损伤积累理论获得连续球压痕试验的压痕塑性表征参数; 同时对四种钢进行了传统单轴拉伸试验以获得它们的断面收缩率, 将连续球压痕试验得到的压痕塑性表征参数与断面收缩率进行比较。结果表明: 对于断面收缩率大的钢, 其压痕塑性表征参数也较大; 在因试验条件限制而无法进行单轴拉伸试验时, 压痕塑性表征参数可以作为材料塑性评定的补充参数。
所属栏目
试验研究
收稿日期
2015/6/152016/6/15
作者单位
关凯书:华东理工大学, 承压系统安全科学教育部重点实验室, 上海 200237
邹 镔:华东理工大学, 承压系统安全科学教育部重点实验室, 上海 200237
伍声宝:华东理工大学, 承压系统安全科学教育部重点实验室, 上海 200237
备注
关凯书(1962-),男, 黑龙江五常人, 教授, 博士。
引用该论文:
GUAN Kai-shu,ZOU Bin,WU Sheng-bao.Evaluating Plasticity of Steels through Continuous Ball Indentation Test[J].Materials for mechancial engineering,2016,40(9):18～21
关凯书,邹 镔,伍声宝.连续球压痕法评价钢的塑性[J].机械工程材料,2016,40(9):18～21
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