Mn and Si influence on the hyperfine properties of the fcc and hcp phases in the Fe-Mn and Fe-Mn-Si systems

被引：2
|
作者：
Martinez, Javier [1 ]
Cotes, Sonia M. [1 ]
Desimoni, Judith [1 ]
机构：
[1] Natl Univ La Plata, Fac Ciencias Exactas, Dept Fis, IFLP,CONICET, RA-1900 La Plata, Argentina
来源：
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2009年 / 246卷 / 06期
关键词：
SHAPE-MEMORY ALLOYS; MARTENSITIC-TRANSFORMATION; MOSSBAUER-SPECTROSCOPY;
D O I：
10.1002/pssb.200844472
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
A study of the hyperfine properties of the fee and hcp phases of the Fe-Mn and Fe-Mn-Si systems, performed on a systematic and accurate set of samples belonging to the 15 at% to 30 at% Mn and 0 at% to 12 at% Si composition ranges, is presented. The samples were characterized using Conversion Electron Mossbauer Spectroscopy. The evolution with the Mn and Si contents of the hyperfine parameters of both phases has been determined. A constancy of the isomer shift parameter of the hcp phase with both constituents of the alloy was observed. While constancy and a linear decrease of the isomer shift values of the fcc phase with Mn and Si, respectively, were determined. The magnetic hyperfine field of the fee phase presents two different values depending on the Mn content in the binary system and a decrease with the addition of Si when the ternary alloy is considered. (c) 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
引用
收藏
页码：1366 / 1371
页数：6
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