摘要
The China Keningda Company has recent-ly developed a new type of high coerci-vity RE permanent magnet alloy trade-marked with‘3OH’.The alloy,which wasfirst made in the laboratory in December1988,has been put into production sinceFebruary 1989,and has been reported tobe having the following stable magneticparameters:Br(?) 3kGs,Hc=19.OkOe,bHc=11.0kOe and BHmax=30.SMGOe.The produceis sold to the United State and South-
