FATIGUE CRACK-GROWTH UNDER COMPRESSIVE LOADING

被引：80

作者：

FLECK, NA

SHIN, CS

SMITH, RA

机构：

[1] Univ of Cambridge, Engineering Dep,, Cambridge, Engl, Univ of Cambridge, Engineering Dep, Cambridge, Engl

来源：

ENGINEERING FRACTURE MECHANICS | 1985年 / 21卷 / 01期

关键词：

STEEL - Crack Propagation - STRAIN GAGES - Applications;

D O I：

10.1016/0013-7944(85)90063-3

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Fatigue cracks were grown in center-notched sheet made from BS4360 50B structural steel. Despite the fact that loading was fully compressive, cracks initiated and grew in regions of residual tensile stress at the notch roots. It was observed that crack growth rates decreased with increasing crack length until arrest occurred. Near tip strain gages were used to monitor crack closure; closure readings agreed well with those deduced from growth rates. The residual stress ahead of the slit tip and normal to the slit plane, delta //r//e//s, was estimated from the crack growth rate response.

引用

页码：173 / +

页数：1

共 16 条

[1] Almen J. O., 1963, RESIDUAL STRESSES FA
[2] BUECKNER HF, 1970, Z ANGEW MATH MECH, V50, P529
[3] Delves LM, 1974, NUMERICAL SOLUTION I
[4] YIELDING OF STEEL SHEETS CONTAINING SLITS
DUGDALE, DS
[J]. JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 1960, 8 (02) : 100 - 104
[5] FLECK NA, 1983, THESIS CAMBRIDGE U C
[6] FLECK NA, 1982, CUEDCMATSTR89 CAMBR
[7] GERBER TL, 1968, J MATER, V3, P359
[8] CRACK GROWTH UNDER CYCLIC COMPRESSION
HUBBARD, RP
[J]. JOURNAL OF BASIC ENGINEERING, 1969, 91 (04): : 625 - &
[9] MAJUNDAR S, 1974, FRACTURE TOUGHNESS S, V559, P159
[10] NELSON DV, 1982, ASTM STP, V776, P172, DOI DOI 10.1016/J.IJFATIGUE.2006.05.008

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