Characteristics of Fe-Mn-Si-Cr shape memory alloys in centrifugal casting

被引：19
作者：
Kubo, Hiroshi
Otsuka, Hiroaki
Farjami, Susan
Maruyama, Tadakatsu
机构：
[1] Kanto Polytech Univ, Oyama 3230813, Japan
[2] Nippon Steel Corp Ltd, Steel Res Labs, Futtsu 2938511, Japan
[3] Tohoku Univ, Grad Sch Engn, Dept Mat Sci, Sendai, Miyagi 9808579, Japan
[4] Awaji Mat Corp Ltd, Tokyo 1010052, Japan
来源：
SCRIPTA MATERIALIA | 2006年 / 55卷 / 11期
关键词：
ferrous shape memory alloy; centrifugal casting; microstructure; shape recovery strain;
D O I：
10.1016/j.scriptamat.2006.07.058
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Recent application of Fe-28Mn-6Si-5Cr (mass%) alloy as pipe joints in civil engineering constructions has required efficient production of these joints. Centrifugal cast materials have shown better shape recoveries than rolled materials. Crystallographic investigation showed this shape memory effect enhancement was due to a characteristic (0 0 1) columnar structure extended along the radial direction of joints. Theoretical estimation of shape recovery strain revealed the ideal microstructure made by centrifugal casting and the limitations of shape recovery strain as well. (c) 2006 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：1059 / 1062
页数：4
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