... phun bng ngui nhanh l: thit b phun bng ngui nhanh trng quay n trc, thit b phun bng ngui nhanh trng quay hai trc v thit b phun bng ngui nhanh ly tõm K thut ngui nhanh n trc K thut ngui nhanh n trc ... trc l k thut ngui nhanh trờn mt trng quay c quay vi tc cao (hỡnh 1.11a) Hp kim c phun trờn b mt trng, nh b mt nhn búng m hp kim c dn mng v c thu nhit rt nhanh dy ca bng hp kim ph thuc vo cỏc ... thng c ch to bng cỏc kim loi cú kh nng thu nhit nhanh v ớt b ụxi húa Vt liu ph bin c dựng l hp kim ca ng ch to cỏc bng hp kim c bit cha cỏc kim loi d b ụxi húa nh bng hp kim t cng, ngi ta t c...