研究了钛合金粉末的温压成形行为.结果发现,在同一压制压力下,钛合金粉末的生坯密度均在140℃左右达到最大值,高于或低于这一温度,生坯密度反而降低.在压制压力为500MPa下,温压成形的脱模力比室温成形的脱模力降低27.7%.同时,温压成形较室温成形改善了钛合金件的显微组织.
参考文献
[1] | Sherman A M;Sommer C J;Froes F H .[J].Journal of The Minerals,Metals & Materials Society,1997,49(05):38. |
[2] | 李军,周廉,李佐臣,陈杜娟.新型医用钛合金Ti-12.5Zr-2.5Nb-2.5Ta的研究[J].稀有金属材料与工程,2003(05):398-400. |
[3] | Froes F H;Jones R H .[J].Journal of The Minerals,Metals & Materials Society,1999,51(06):40. |
[4] | 韩凤麟.世界粉末冶金零件工业动态[J].粉末冶金技术,2001(04):225-232. |
[5] | German R M.Powder Metallurgy Science[M].Princeton:New Jersey,1994 |
[6] | Rutz H G;Hanejko F G;Luk S H .[J].Metal Powder Report,1994,49(09):40. |
[7] | Rutz H G;Hanejko F G .[J].The International Journal Powder Metal,1995,31(01):9. |
[8] | Musella V;Angelo M D .Process for Preheating Metal in Preparation for Compaction Operations[P].US Patent No.4,955,798 |
[9] | Capus J;Pickering S;Weaver A .[J].Metal Powder Report,1994,49(7/8):22. |
[10] | 李明怡,果世驹,康志君,林涛.不同类型金属粉末的温压行为[J].粉末冶金技术,2000(04):261-264. |
[11] | Rutz H G;Murphy T F;Cimino T M.[J].Advances in Powder Metallurgy and Particulate Materials,1994(05):135. |
[12] | Bocchini G F .[J].Powder Metallurgy,1999,42(02):171. |
[13] | German R M.Particle Packing Characteristics[M].NJ:Metal Powder Industries Federation,1989 |
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