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金属学报(英文版) 1998
~(199)Sn AND ~(57)Fe MOSSBAUER SPECTROSCOPIC STUDY OF THE MECHANICALLY ALLOYED Fe-Sn ALLOYSKeywords: mechanical alloying,Mossbauer effect,nanocrystalline Fe-Sn alloy Abstract: 1.IntroductionMechanicalalloyinghasbeenwelldevelopedasapowerfultechniqueofsolidstatere-artiontosynthesizealloysfarfromequilibrium,suchasamorphous,quasicrystajlineandnanocrystajlinealloys,etc.II--3].InFe-Snsystem,alltheiron-stannidesareferromagneticatroomtemperatureI4],thereforetheevolutionofmechanicalalloyinganddetailedchemicaldrirmationcanbeobtainedfromboththe57Feand119SnMossbauerspectraandcorre-spondinghyperfineparameters.The57Feand119SnMossbauerstudyofFe3Snpowdersbailaflledfor400hshowe…
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