Crater-formation-induced metastable structure in an AISI D2 steel treated with a pulsed electron beam

被引：18
作者：
Zhang, Kemin [1 ]
Zou, Jianxin [2 ,3 ,4 ]
Grosdidier, Thierry [4 ,5 ]
Dong, Chuang [5 ]
机构：
[1] Shanghai Univ Engn Sci, Sch Mat Engn, Shanghai 201620, Peoples R China
[2] Shanghai Jiao Tong Univ, Shanghai Engn Res Ctr Mg Mat & Applicat, Shanghai 200240, Peoples R China
[3] Shanghai Jiao Tong Univ, Natl Engn Res Ctr Light Alloys Net Forming, Shanghai 200240, Peoples R China
[4] Univ Paul Verlaine Metz, Lab Etud Textures & Applicat Mat LETAM CNRS 3143, F-57045 Metz, France
[5] Dalian Univ Technol, Key Lab Mat Modificat Laser Elect & Ion Beams, Dalian 116024, Peoples R China
来源：
VACUUM | 2012年 / 86卷 / 09期
关键词：
Low energy high current pulsed electron beam (LEHCPEB); D2; steel; Craters; Nano-twins; Feathery structures; Amorphous; CORROSION-RESISTANCE; SURFACE MODIFICATION; DENDRITE GROWTH; ALLOY;
D O I：
10.1016/j.vacuum.2011.11.013
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A detailed investigation concerning the microstructure and phase formations in the crater-erupted areas formed under low energy high current pulsed electron beam bombardment has been carried out for a treated AISI D2 steel. The crater formations are initiated at carbides. Such carbide eruption events change the composition, phase selection and grain growth behaviour inside the craters. Under these extremely non-equilibrium conditions, amorphous patches and feathery type structures containing twinned nano-grains are retained. (C) 2011 Elsevier Lid. All rights reserved.
引用
收藏
页码：1273 / 1277
页数：5
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