The effects of warm pre-stressing on cleavage fracture. Part 1: evaluation of experiments

被引：28
作者：
Smith, DJ
Hadidimoud, S
Fowler, H
机构：
[1] Univ Bristol, Dept Mech Engn, Bristol BS8 1TR, Avon, England
[2] Frazer Nash Consultancy Ltd, Bristol BS51 5TE, Avon, England
来源：
ENGINEERING FRACTURE MECHANICS | 2004年 / 71卷 / 13-14期
基金：
英国工程与自然科学研究理事会;
关键词：
pressure vessel steel; WPS effect; cleavage fracture; scatter; residual stress;
D O I：
10.1016/j.engfracmech.2003.09.003
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
An experimental programme has been performed to characterise the mechanical parameters and the fracture response of two steels, BS1501 and A533B. These are widely used in pressure vessel technology. The role of load history on improvements in cleavage fracture toughness has been investigated. Scatter within experimental cleavage toughness data has been described by using the model proposed by Wallin [Defect Assessment in Components, Fundamentals and Applications, ESIS/EGF9, Mechanical Engineering Publications, London, 1991, p. 415] and combined with Chell [Int. J. Fract. 17 (1981) 61] model for warm pre-stressing (WPS) effect. The influence of parameters such as repeated cyclic pre-loading, sub-critical crack growth and specimen size on the WPS effect has also been noted. Finally the importance of the role of crack tip blunting and near tip residual stress field in describing the effect is discussed. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2015 / 2032
页数：18
相关论文
共 40 条
[1]  
ANDERSON TL, 1989, J TEST EVAL, V17, P46, DOI 10.1520/JTE11532J
[2]   A LOCAL CRITERION FOR CLEAVAGE FRACTURE OF A NUCLEAR PRESSURE-VESSEL STEEL [J].
不详 .
METALLURGICAL TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 1983, 14 (11) :2277-2287
[3]  
[Anonymous], 1939, P ROYAL SWEDISH I EN
[4]  
BEREMIN FM, 1981, P 5 INT C FRACT ICF5, P2
[5]   THE EFFECTS OF SUBCRITICAL CRACK-GROWTH ON THE FRACTURE-BEHAVIOR OF CRACKED FERRITIC STEELS AFTER WARM PRESTRESSING [J].
CHELL, GG .
FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES, 1986, 9 (04) :259-274
[6]   THE EFFECT OF WARM PRESTRESSING ON PROOF TESTED PRESSURE-VESSELS [J].
CHELL, GG ;
HAIGH, JR .
INTERNATIONAL JOURNAL OF PRESSURE VESSELS AND PIPING, 1986, 23 (02) :121-131
[7]  
CHELL GG, 1981, INT J FRACTURE, V17, P61
[8]  
CHELL GG, 1980, P 4 INT C PRESS VESS, P117
[9]   The warm prestressing effect in steels undergoing intergranular fracture [J].
Cheng, J ;
Noble, FW .
FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES, 1997, 20 (10) :1399-1411
[10]   A MICROMECHANISTIC APPROACH TO THE WARM PRE-STRESSING OF FERRITIC STEELS [J].
CURRY, DA .
INTERNATIONAL JOURNAL OF FRACTURE, 1981, 17 (03) :335-343
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