CREEP DUCTILITY OF COLD-WORKED ZR-2.5 WT-PERCENT NB AND ZIRCALOY-2 TUBES IN-REACTOR

被引：6

作者：

IBRAHIM, EF

机构：

[1] Atomic Energy of Canada Limited, Chalk River Nuclear Laboratories, Chalk River, Ont. K0J 1JO, Canada

来源：

JOURNAL OF NUCLEAR MATERIALS | 1981年 / 96卷 / 03期

关键词：

421 Strength of Building Materials; Mechanical Properties - 549 Nonferrous Metals and Alloys;

D O I：

10.1016/0022-3115(81)90573-0

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Deformation of internally pressurized has been measured in axial and hoop directions for irradiations up to 24 000 h at 571 K. Specimens have deformed up to 18. 1% in the hoop direction, with hoop stresses up to 495 MPa, without rupture. Since the stress sensitivity of creep rate is high ( greater than 5) under the test conditions, and is low ( approximately equals 1) under operating conditions for pressure tubes, creep ductility of pressure tubes should be high.

引用

页码：297 / 304

页数：8

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