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SOME FRACTAL STRUCTURES IN RAPIDLY SOLIDIFIED Al-Mn ALLOY

FAN Chuanguang ZHANG Meng Jiangxi University , Structure Research Laboratory , University of Science and Technology of China , Academia Sinica Hefei , ChinaWANG Yuansheng WU Ziqin University of Science and Technology of China , Hefei , China

金属学报(英文版)

The fractal structures formed in rapidly quenched Al_(86)Mn_(14)alloy have been observed on SEM.Their fractal dimensions are from 1.46 to 1.97.The principal phase examined by TEM and X-ray diffractometer is icosahedral quasicrystalline one with a small amount of Al phase. It is believed that these fractal structures are formed by many aggregated particles during the rapid-quenching process.

关键词: Al-Mn alloy rapid solidification , null , null

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