Dilatometry Analysis of Dissolution of Cr-Rich Carbides in Martensitic Stainless Steels

被引：20

作者：

Huang, Qiuliang ^{[1
]}

Volkova, Olena ^{[1
]}

Biermann, Horst ^{[2
]}

Mola, Javad ^{[1
]}

机构：

[1] Tech Univ Bergakad Freiberg, Inst Iron & Steel Technol, D-09599 Freiberg, Germany

[2] Tech Univ Bergakad Freiberg, Inst Mat Engn, Freiberg, Germany

来源：

METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 2017年 / 48A卷 / 12期

关键词：

MECHANICAL-PROPERTIES; HEAT-TREATMENT; AUSTENITIZING TEMPERATURE; MICROSTRUCTURE; TRANSFORMATION; CORROSION; PHASE; IRON; MO; TOUGHNESS;

D O I：

10.1007/s11661-017-4377-2

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The dissolution of Cr-rich carbides formed in the martensitic constituent of a 13 pct Cr stainless steel was studied by dilatometry and correlative electron channeling contrast examinations. The dissolution of carbides subsequent to the martensite reversion to austenite was associated with a net volume expansion which in turn increased the dilatometry-based apparent coefficient of thermal expansion (CTEa) during continuous heating. The effects of carbides fraction and size on the CTEa variations during carbides dissolution are discussed.

引用

页码：5771 / 5777

页数：7

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