HRTEM Observation of the Precipitates in Heat-Resistant Mg-Gd-Y-Zr Alloy-Reference-Cited by-同舟云学术

HRTEM Observation of the Precipitates in Heat-Resistant Mg-Gd-Y-Zr Alloy

Published:2007-03 Issue: Volume:539-543 Page:1769-1774
ISSN:1662-9752
Container-title:Materials Science Forum
language:
Short-container-title:MSF

Author:

Kawabata Tokimasa¹,Fukuda Yuya²,Matsuda Kenji¹,Kamado Shigeharu³,Kojima Yo³,Ikeno Susumu¹

Affiliation:

1. University of Toyama

2. Toyama University

3. Nagaoka University of Technology

Abstract

The high resolution transmission electron microscope (HRTEM) observation was carried out to investigate the microstructure of precipitates in Mg-Gd-Y-Zr alloy. In the early stage of aging at 423K, monoatomic layers were observed along the (1 1 00)Mg plane. After 64h aging at 423K, the contrast of β” phase based on ordered D019 hexagonal super lattice structure was appeared. The monoatomic layers, two layers spaced by (1 1 00) Mg planes and β’ phase based on bco-structure were observed in the specimen aged for 128h. In the peak- aged specimen, the β’ phase and monoatomic layers were observed.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Link

https://www.scientific.net/MSF.539-543.1769.pdf

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