Acta Metall Sin  1994, Vol. 30 Issue (13): 27-32    DOI:

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DISPERSOID AND SiC PARTICULATE STRENGTHENED Al COMPOSITES Ⅰ.FABRICATION AND MICROSTRUCTURE

MA Zongyi;WU Shengjin; NING Hiaoguang; LUO Ming;LU Yuxiong;BI Jing (Institute of Metal Research;Chinese Academy of Sciences; Shenyang);ZHANG Yuzheng (Northeastern University; Shenyang)

MA Zongyi;WU Shengjin; NING Hiaoguang; LUO Ming;LU Yuxiong;BI Jing (Institute of Metal Research;Chinese Academy of Sciences; Shenyang);ZHANG Yuzheng (Northeastern University; Shenyang). DISPERSOID AND SiC PARTICULATE STRENGTHENED Al COMPOSITES Ⅰ.FABRICATION AND MICROSTRUCTURE. Acta Metall Sin, 1994, 30(13): 27-32.

Abstract References Related Articles Recommended Metrics Download:  PDF(443KB)  Export:  BibTeX | EndNote (RIS)       Abstract  The Al_4C_3 and Al_2O_3 dispersoids and SiC particulate strengthened aluminum composites were successfully fabricated by mechanical alloying of Al powder,C powder and SiC particulates, followed by heat treatment, cold compaction and hot extrusion.Metallography, TEM and HREM observations indicate that the interfacial bonding between SiC particulates and Al matrix is fair, and the characteristics of matrix powders affects the unifromity of SiC particulate distribution in matrix. The existence of Al_2O_3 cannot be determined by XRD and TEM due to low content and fine size of Al_2O_3 . Rod-like Al_4C_3 single crystals with a mean diameter of 0.02 μm and a meam length of 0.2 μm are uniformly distributed in matrix, and have no consistent orientation relationship with Al matrix. The interfacial bonding between Al_4C_3 and Al is excellent, no transitional layer exists. Key words:  composite      SiC      Al_4C_3       Al_2O_3      Al      mechanical alloying      microstructure      Service E-mail this article Add to citation manager E-mail Alert RSS （） Articles by authors URL:  https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y1994/V30/I13/27 1WuSB,ArsenaultRJ．MaterSciEng,1991;A138:2272RoyM,VenkatramanB,BhanuprasadVV,MahajanYR,SundararajanG．MetallTrans,1992;23A:28333SatyaprasadK,MahajanYR,BhanuprasadVV．ScrMetallMater,1992;26:7114NiehTG,KarlakRF．ScrMetall,1984;18:255EverettRK,HigbyPL．ScrMetallMater,1991;25:6256MabuchiM,HigashiK,OkadaY,TanimuraS,ImaiT,KuboK．ScrMetallMater,1991;25:25177McNelleyTR,KaluPN．ScrMetallMater．1991;25:10418AghajanianMK,RocazellaMA,BurkeJT,KeckSD．JMaterSci,1991:26:4479LanganTJ,PickensJR．ScrMetallMater,1991;25:158710马宗义,毕敬,吕毓雄,申红伟,高荫轩,金属学报,1992;28:B41911VyletelGM,VanAkenDC,AllisonJE．ScrMetallMater．1991;25:240512MitraR,ChiouWA,WeertmanJR,FineMEScrMetallMater,1991;25:268913ArnholdV,BaumgartenJ．PowderMetallInt,1985;17:16814BiJ,MaZY,WuSJ,LuYX,ShenHW．JMaterScrTechnol．1993;9:61x [1] BI Zhongnan, QIN Hailong, LIU Pei, SHI Songyi, XIE Jinli, ZHANG Ji. 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