急求“现代数控刀具材料 ”外文文献一篇,高分悬赏,只求速度,一天内完 ...答:Tool material new product research and development of superhard materials (surface modification of diamond, coating materials, TIC-based metal ceramic, CBN, Al203, Si3n4 ceramic base class), w, CO classes, coatings and fine particles (ultrafine particles) Go-containing powder metallurgy high-speed...