粉末冶金Fe-Cu-C合金的微波烧结研究.PDFVIP

25 5 矿　冶　工　程 Vol.25 №5 2005 10 MINING AND METALL RGICAL ENGINEERING Octobe 2005 Fe-Cu-C 黄加伍, 彭　虎 (, 4 10013) 　:1 150 ～ 1220 ℃, 5 ～ 20 min , , : , , , 、, 96.6%～ 97.8%, HRC40 ～ 45, 。 :;;;;; :TG146.1 :A :0253-6099 (2005)05-0077-03 A Study of Microwave Sintered Fe-Cu-CPM Alloy HUANG Jia-wu, PENG Hu (Changsha Longtech Co L td , Changsha 410013, Hunan, China ) Abstract:The featu es and development of fe o-based powde metallu gy pa ts and the mic owave sinte ing technology we e outlined.It was studied that the fe o-based powde metallu gy pa ts we e sinte ed in mic owave stove in A o N gas atmo- 2 sphe e at 1 150 ～1 220 ℃with soaking time anging f om 5 ～20 min .The sinte ing behavio of the mic owave technique was compa ed with that of the conventional technique .The esults indicate that the g een fe o-based pa ts has a wonde ful mic o- wave abso bability at oom tempe atu e .The p ocess of mic owave heating is stable and cont ollable .The mic owave sinte ing has much faste heating ate but sho te sinte ing time than the conventional.The sinte ed p oducts a e fully dense bodies with obvious edge and angle but no defo mation and c ack.The elative density is 96.6%～97.8%, and the Rockwell ha dness (HRC)is 40 ～45, meeting the equi ements fo the mechanical p ope ties of the pa ts. Key words:mic owave sinte ing;fe o-based pa ts;powde metallu gy;technique;conventional sinte ing;elative density 　　 , 2001 [1] 。, , , 。, [2] 。 ,