PASSIVE NONDESTRUCTIVE EVALUATION OF FERROMAGNETIC MATERIALS DURING DEFORMATION USING SQUID GRADIOMETERS

被引:14
作者
Mignogna, R. B. [1 ]
Browning, V. [1 ]
Gubser, D. U. [1 ]
Schechter, R. S. [1 ]
Simmonds, K. E. [1 ]
Weinstock, H. [2 ]
机构
[1] Naval Res Lab, Mat Sci & Technol Div, Washington, DC 20375 USA
[2] Air Force Off Sci Res, Washington, DC 20332 USA
关键词
D O I
10.1109/77.233585
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
An experimental system is described for in situ passive measurement of changes in the magnetic field of ferromagnetic materials subject to tensile deformation. Changes in magnetic field during deformation are monitored using a three axes first order SQUID gradiometer. The gradiometer is held in a fixed position while a horizontal load frame is scanned in two dimensions. The horizontal load frame has been constructed from non-ferromagnetic materials. Results are presented for cold-rolled steel specimens.
引用
收藏
页码:1922 / 1925
页数:4
相关论文
共 3 条
[1]  
Mignogna R. B., 1989, REV PROGR QUANTITA A, V8a, P551
[2]  
Purcell E.M., 1965, ELECT MAGNETISM, P365
[3]  
WEINSTOCK H, 1985, SQUID 85 SUPERCONDUC, P853