1. Speed effect in forging lubrication;Wallace;Trans. ASME, Ser. F, J. Lub Tech.,1971
2. Speed and frictional effects in hot forging;Jain,1967
3. The effect of temperature on the frictional behavior of various metal during mechanical working;Male;J. Inst. Mets.,1964
4. Proposal of an evaluating method on lubrication;Isogawa;Ann. CIRP.,1992
5. Evaluation of lubrication and friction in cold forging using a double backward-extrusion process;Buschhausen,1992