Structure and phase transformations in Fe-Ni-Mn alloys nanostructured by mechanical alloying

被引：5

作者：

Pustov, L. Yu. ^{[1
]}

Tcherdyntsev, V. V. ^{[1
]}

Abdulhalikov, Sh. M. ^{[1
]}

Kaloshkin, S. D. ^{[1
]}

Shelekhov, E. V. ^{[1
]}

Estrin, E. I. ^{[2
]}

Baldokhin, Yu. V. ^{[3
]}

机构：

[1] Moscow State Inst Steel & Alloys, Moscow 119049, Russia

[2] Cent Res Inst Ferrous Met, Moscow 107005, Russia

[3] Russian Acad Sci, Inst Chem Phys, Moscow 117334, Russia

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2009年 / 483卷 / 1-2期

基金：

俄罗斯基础研究基金会;

关键词：

Metals and alloys; Nanostructured materials; Mechanical alloying; Phase transitions; X-ray diffraction; MARTENSITIC-TRANSFORMATION; KINETICS;

D O I：

10.1016/j.jallcom.2008.08.142

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Ternary Fe(86)Ni(x)Mn(14-x) alloys, where x = 0, 2, 4, 6, 8, 10, 12, 14, 16 at.%, were prepared by the mechanical alloying (MA) of elemental powders in a high-energy planetary ball mill. X-ray diffraction analysis and Mossbauer spectroscopy were used to investigate the structure and phase composition of samples. Thermo-magnetic measurements were used to study the phase transformation temperatures. The MA results in the formation of bcc alpha-Fe and fcc gamma-Fe based solid solutions, the hcp phase was not observed after MA. As-milled alloys were annealed with further cooling to ambient or liquid nitrogen temperatures. A significant decrease in martensitic points for the MA alloys was observed that was attributed to the nanocrystalline structure formation. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：200 / 203

页数：4

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