wangwei
- Professor
- Supervisor of Doctorate Candidates
- Supervisor of Master's Candidates
- Name (Pinyin):wangwei
- School/Department:土木工程学院
- Business Address:土木工程学院
- Contact Information:邮箱 : wangwgh@xauat.edu.cn
- Professional Title:Professor
- Status:Employed
- Discipline:Structural Engineering
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- Paper Publications
建筑钢试件拉伸应力与其磁记忆效应漏磁场梯度的对应关系研究
Release time:2024-08-09 Hits:
- Affiliation of Author(s):土木工程学院
- Journal:西安建筑科技大学学报(自然科学版)
- Key Words:金属磁记忆;应力集中;对应关系;特征参量;建筑钢结构;
- Abstract:通过对Q345B光滑试件和浅槽试件静载拉伸时表面漏磁场的在线测量,研究了在不同载荷作用下的磁记忆信号特征,建立了梯度特征参量K?和最大梯度绝对值maxK与应力?之间的对应关系.试验结果表明:随着载荷的增加,磁信号法向分量逐渐增大;磁场法向分量过零点和梯度最大值,能较好的判断应力集中位置;磁场法向分量出现"峰-峰值",不能作为早期损伤判断的依据;随着应力的增加,梯度特征参量K?出现最大值,可准确地判定试件是否进入塑性阶段;maxK值均随着应力的增加而增大,可较好地反映试件的损伤程度.
- First Author:susanqing,wangwei
- Indexed by:Journal paper
- Correspondence Author:易术春,兰艳
- Discipline:Engineering
- Volume:中文核心期刊:341-346,6
- ISSN No.:1006-7930
- Translation or Not:no
- Date of Publication:2015-06-28