Improvement of Impact Toughness and Creep Properties in Reduced Activation Ferritic Steels by Consumable Electrode Remelting

被引：1

作者：

Kang Wen-yi ^{[1
]}

Zhang Chi ^{[2
]}

Fan Nian-qing ^{[3
]}

Xia Zhi-xin ^{[2
,3
]}

Wang Ping-huai ^{[4
]}

Chen Ji-ming ^{[4
]}

机构：

[1] Univ Sci & Technol Beijing, Dept Mat Sci & Engn, Beijing 100083, Peoples R China

[2] Tsinghua Univ, Dept Mat Sci & Engn, Beijing 100084, Peoples R China

[3] Suzhou Nucl Power Res Inst, Suzhou 215004, Jiangsu, Peoples R China

[4] Southwestern Inst Phys, Chengdu 610041, Sichuan, Peoples R China

来源：

JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL | 2013年 / 20卷 / 06期

基金：

中国国家自然科学基金;

关键词：

reduced activation steel; consumable electrode remelting; microstructure; creep; fracture; RESEARCH-AND-DEVELOPMENT; MECHANICAL-PROPERTIES; FERRITIC/MARTENSITIC STEELS; RUPTURE PROPERTY; POWER-PLANT; STRENGTH; BEHAVIOR; P92;

D O I：

10.1016/S1006-706X(13)60110-7

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The effect of smelting processes on mechanical properties and microstructure of reduced activation ferritic steels was studied. Creep properties and impact toughness of reduced activation ferritic steels were obviously improved by vacuum induction melting followed by consumable electrode remelting process in comparison with the conventional vacuum induction melting process. The difference of impact toughness and creep properties between both steels mainly depended on the aspect ratio and mean size of precipitates. Decreasing the aspect ratio of carbides makes development of a shear band more difficult, which could increase impact energy and creep resistance.

引用

页码：45 / 51

页数：7

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[1] Improvement of Impact Toughness and Creep Properties in Reduced Activation Ferritic Steels by Consumable Electrode Remelting
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CHEN Ji-ming
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[2] Improvement of Impact Toughness and Creep Properties in Reduced Activation Ferritic Steels by Consumable Electrode Remelting
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