Beneficial effect of B segregation on creep cavitation in a type 347 austenitic stainless steel

被引：71

作者：

Laha, K ^{[1
]}

Kyono, J ^{[1
]}

Kishimoto, S ^{[1
]}

Shinya, N ^{[1
]}

机构：

[1] Natl Inst Mat Sci, Mat Engn Lab, Tsukuba, Ibaraki 3050047, Japan

来源：

SCRIPTA MATERIALIA | 2005年 / 52卷 / 07期

基金：

日本学术振兴会;

关键词：

stainless steel; creep cavities; surface segregation; stress-rupture; ductility;

D O I：

10.1016/j.scriptamat.2004.11.016

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Additions of B and Cc in type 347 austenitic stainless steel increased creep rupture strength and ductility. B segregation on cavity surface in absence of S contamination suppressed creep cavity growth and provided the steel with the enhanced resistance against creep cavitation. Removal of S through Cc addition made it possible to segregate B on cavity surface. (C) 2004 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：675 / 678

页数：4

共 13 条

[1] THE EFFECT OF CERIUM ON HIGH-TEMPERATURE TENSILE AND CREEP-BEHAVIOR OF A SUPER-ALLOY [J].

COSANDEY, F ;

LI, D ;

SCZERZENIE, F ;

TIEN, JK .

METALLURGICAL TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 1983, 14 (04) :611-621

[2] EFFECT OF BORON AND CARBON ON CREEP STRENGTH OF COLD-WORKED TYPE 316 STAINLESS-STEEL [J].

FUJIWARA, M ;

UCHIDA, H ;

OHTA, S .

JOURNAL OF MATERIALS SCIENCE LETTERS, 1994, 13 (08) :557-559

[3] KINETICS OF CAVITY GROWTH AND CREEP FRACTURE IN SILVER CONTAINING IMPLANTED GRAIN-BOUNDARY CAVITIES [J].

GOODS, SH ;

NIX, WD .

ACTA METALLURGICA, 1978, 26 (05) :739-752

[4]

HONDROS ED, 1977, INT METALL REV, V222, P262

[5]

LEE YK, 1991, INT C STAINL STEELS, P905

[6]

Needham N. G., 1980, Metal Science, V14, P64, DOI 10.1179/030634580790426300

[7] THE EFFECTS OF SEGREGATION ON THE KINETICS OF INTERGRANULAR CAVITY GROWTH UNDER CREEP CONDITIONS [J].

NIX, WD ;

YU, KS ;

WANG, JS .

METALLURGICAL TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 1983, 14 (04) :563-570

[8] REVIEW - CAVITATION IN CREEP [J].

PERRY, AJ .

JOURNAL OF MATERIALS SCIENCE, 1974, 9 (06) :1016-1039

[9] Improvement of creep rupture properties of heat resisting steels by the self-heating of creep cavities [J].

Shinya, N ;

Kyono, J ;

Laha, K .

THERMEC'2003, PTS 1-5, 2003, 426-4 :1107-1112

[10] MODEL FOR THE HIGH-TEMPERATURE EMBRITTLEMENT OF METALS CONTAINING HELIUM [J].

TRINKAUS, H ;

ULLMAIER, H .

PHILOSOPHICAL MAGAZINE A-PHYSICS OF CONDENSED MATTER STRUCTURE DEFECTS AND MECHANICAL PROPERTIES, 1979, 39 (05) :563-580

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