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Title

Evolution of Fe environments in mechanically alloyed Fe-Nb-(B) compositions

AuthorsBlázquez, J. S.; Ipus, J.J.; Conde, C. F.; Conde Amiano, Alejandro
KeywordsMechanical alloying
Mössbauer spectroscopy
Nanocrystalline alloys
Issue Date2014
PublisherElsevier
CitationJournal of Alloys and Compounds, 615S1 (2014) 58-61
AbstractNanocrystalline alloys of nominal composition Fe85Nb5B10 were produced by mechanical alloying from a mixture of elemental powders. Two commercial boron structures were used: amorphous and crystalline. In addition, a third composition Fe94.4Nb5.6 was prepared for comparison. X-ray diffraction and Mössbauer spectroscopy were used to describe the evolution of the microstructure and Fe environments as a function of the milling time. Whereas Nb is rapidly incorporated into the nanocrystalline matrix, boron inclusions remain even after long milling times. The presence of boron is found to enhance the comminuting of crystallites.
Publisher version (URL)http://dx.doi.org/10.1016/j.jallcom.2013.11.118
URIhttp://hdl.handle.net/10261/103563
DOIhttp://dx.doi.org/10.1016/j.jallcom.2013.11.118
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