References
- Tanicheva , O N . 1989 . ‘Nature of the “shining” defect formed in friction welding tool steel’ . MiTOM , : 31 – 32 . (3)
- Khazanov , I O and Fomin , N I . 1990 . ‘Structure and properties of joints in R6M5 steel and 45 steel produced by friction welding’ . MiTOM , : 59 – 61 . 6