Precipitation Processes in Mg–Th, Mg–Th–Mn, Mg–Mn, and Mg–Zr Alloys

Metal Science Journal Pub Date : 1900-01-01 DOI:10.1179/030634572790446127

D. J. Stratford, L. Beckley

引用次数: 13

Abstract

Abstract A study has been made of precipitation processes in selected magnesium-base alloys by means of electron microscopy. The principal part of the investigation was concerned with the effect of manganese precipitation in a Mg-Th alloy. It is shown that the sequence of precipitation in a Mg–2.0percnt; Th–1.0% Mn alloy (HM21) is not as complex as that occurring in a Mg–3.0% Th–0.5 Zr alloy (HK31), in that only one coherent transition precipitate precedes the formation of an incoherent precipitate. The coherent precipitate forms as discs on the {0001}Mg and has an hexagonal crystal structure a = 5.56A (√3 × a Mg) and c =31.6A (6 × a Mg) and the orientation relationship is { 0001 } ppte ‖ { 0001 } Mg

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Mg-Th, Mg-Th - mn, Mg-Mn和Mg-Zr合金的沉淀过程

摘要:用电子显微镜研究了镁基合金的析出过程。主要研究了锰析出对Mg-Th合金的影响。结果表明，沉淀顺序在mg - 2.0%;Th-1.0% Mn合金(HM21)不像Mg-3.0% Th-0.5 Zr合金(HK31)那样复杂，在形成非共格相之前只有一个共格转变相。析出相在{0001}Mg上呈圆盘状，呈六角形晶体结构，分别为a = 5.56A(√3 × a Mg)和c =31.6A (6 × a Mg)，取向关系为{0001}ppte {0001}Mg

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Metal Science Journal

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