环境磁场对20钢应力-磁效应的影响
INFLUENCES OF ENVIRONMENT MAGNETIC FIELD ON STRESS-MAGNETISM EFFECT FOR 20 STEEL FERROMAGNETIC ITEMS
摘 要
应力的磁效应是磁记忆检测技术的理论基础,也是探讨相关机理问题的关键所在。测量了在不同环境磁场条件下,20钢试样的磁化状态随拉应力的变化规律。结果发现,环境磁场对力-磁效应的关系规律具有明显的影响,磁记忆检测技术的定量评价体系与地磁场有关。
力-磁效应
铁磁试样
金属磁记忆
Geomagnetic field
Stress-magnetism effect
Ferromagnetic item
Metal magnetic memory
Abstract
Stress-magnetism effect is elementary theory of metal magnetic memory testing technology,and is also key problem to probe related mechanism essence. Curves of magnetizing status versus stress at different environment magnetic field were measured for 20 steel ferromagnetic items. It were founds that influences of environment magnetic field on stress-magnetism effect were very obvious. It shows that estimating system in quantify of metal magnetic memory testing technology is involved in geomagnetic field.
中图分类号 TG115.28
所属栏目 试验与研究
基金项目 航空科学基金(06ZF560009)
收稿日期 2007/6/30
修改稿日期
网络出版日期
作者单位点击查看
备注任尚坤(1963-),男,教授,博士。
引用该论文: REN Shang-kun,YANG Ya-ling,LIN Tian-hua,REN Ji-lin. INFLUENCES OF ENVIRONMENT MAGNETIC FIELD ON STRESS-MAGNETISM EFFECT FOR 20 STEEL FERROMAGNETIC ITEMS[J]. Physical Testing and Chemical Analysis part A:Physical Testing, 2008, 44(8): 401～404
任尚坤,杨雅玲,林天华,任吉林. 环境磁场对20钢应力-磁效应的影响[J]. 理化检验－物理分册, 2008, 44(8): 401～404
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参考文献
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【3】陈 钘,王晓凤,杨 恩,等.铁磁构件拉压试验中的磁记忆效应研究[J]. 无损检测,2007,29(5):247-250.
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