DEVELOPMENT OF HIGH MANGANESE HIGH NITROGEN LOW ACTIVATION AUSTENITIC STAINLESS-STEELS

被引：40

作者：

BOTT, AH ^{[1
]}

PICKERING, FB ^{[1
]}

BUTTERWORTH, GJ ^{[1
]}

机构：

[1] UKAEA, FUS ASSOC, CULHAM LAB, ABINGDON OX14 3DB, OXON, ENGLAND

来源：

JOURNAL OF NUCLEAR MATERIALS | 1986年 / 141卷 / pt B期

关键词：

IRON AND STEEL METALLOGRAPHY - Microstructures - RADIOACTIVE WASTES - Disposal - STAINLESS STEEL - Mechanical Properties;

D O I：

10.1016/0022-3115(86)90147-9

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Elementally-substituted high Mn, high N steels have been studied as low-activation replacements for austenitic stainless steels of AISI 316, 320, 321 and FV548. Ageing at 400 degree , 650 degree and 900 degree C following solution treatment at 1150 degree C resulted in a fine grain boundary precipitation of TaC accompanied by intragranular and, in some cases, limited sigma and Laves phase precipitation. Proof stress values of 470-610 MPa and tensile strengths of 750-1000 MPa were obtained and high tensile ductility was observed. Fatigue resistance appeared to be similar to that of the established steels but creep rupture strength was lower than expected.

引用

页码：1088 / 1096

页数：9

共 17 条

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