| 用金属磁记忆方法进行缺陷检测 |
| |
| 引用本文： | 李光霁,孙国豪,潘家祯. 用金属磁记忆方法进行缺陷检测[J]. 医学教育探索, 2006, 0(8): 1007-1011 |
| |
| 作者姓名： | 李光霁 孙国豪 潘家祯 |
| |
| 作者单位： | 华东理工大学机械与动力工程学院 上海200237 |
| |
| 摘 要： | 介绍了金属磁记忆检测的原理及其应用方法。铁磁性工件在载荷的作用下,应力和变形集中区会产生最大的漏磁场变化,对漏磁场法向分量的测定可以准确地推断工件的应力集中区。通过对14块对接焊缝钢板分别用磁记忆、超声波方法进行实际检测,验证了磁记忆检测方法的有效性,取得了一些有益的经验。
|
| 关 键 词： | 磁记忆检测 漏磁场 应力集中 焊缝缺陷 |
| 收稿时间： | 2005-09-12 |
Metal Magnetic Memory Testing Disfigurement Testing Rate |
| |
| LI Guang-ji,SUN Guo-hao,PAN Jia-zhen. Metal Magnetic Memory Testing Disfigurement Testing Rate[J]. Researches in Medical Education, 2006, 0(8): 1007-1011 |
| |
| Authors: | LI Guang-ji SUN Guo-hao PAN Jia-zhen |
| |
| Abstract: | The basic rule of metal magnetic memory(MMM) technique is that under the influence of stress,there will be magnetic leakage field on the surface of ferromagnetic materials in stress concentration(SC) and distortion zones.It is possible to determine SC zones according to measuring changes of normal component of magnetic leakage field.By applying MMM and ultrasonic to fourteen jointing armor plats,the validity of MMM technique is validated and a lot of availability experience is achieved. |
| |
| Keywords: | magnetic memory testing magnetic leakage field stress concentration disfigurement in the welding line |
|
| 点击此处可从《医学教育探索》浏览原始摘要信息 |
|
点击此处可从《医学教育探索》下载全文 |
|
