Fracture mechanics global approach concepts applied to creep slow crack growth in a medium density polyethylene (MDPE)

被引：17

作者：

Hamouda, H. Ben Hadj ^{[1
]}

Lalarinandrasana, L. ^{[1
]}

Piques, R. ^{[1
]}

机构：

[1] CNRS, UMR 7633, Ctr Mat Mines Paris Paristech, F-91003 Evry, France

来源：

ENGINEERING FRACTURE MECHANICS | 2007年 / 74卷 / 14期

关键词：

polymers; fracture mechanics; C-integral; creep crack growth; failure assessment;

D O I：

10.1016/j.engfracmech.2006.10.009

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Creep fracture by slow crack growth is studied in a medium density polyethylene at 60 degrees C and 80 degrees C. Whereas elastic-plastic fracture mechanics load parameters fail to provide a unique temperature-independent correlation, that of the fracture mechanics for creeping solids C-* is proved to be relevant since this parameter correlates very well with the time to failure. Correlation established on both full notched creep tensile and double edge notched tensile tests was validated on cracked gas-pipe samples tested under hydrostatic pressure, extending the use of time to failure versus C-* diagram to predict lifetime of engineering components. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：2187 / 2204

页数：18

共 28 条

[1]

[Anonymous], KUNSTSTOFFE

[2]

BENHADJHAMOUDA H, IN PRESS POLYMER

[3]

BENHADJHAMOUDA H, 2000, THESIS ECOLE NAT SUP

[4]

BENHADJHAMOUDA H, 2001, POLYMER, V42, P5425

[5]

BOYLE JT, 1983, ENG APPROACHES HIGH, P313

[6] Methodology far durability analysis of HDPE pipe [J].

Chudnovsky, A ;

Sehanobish, K ;

Wu, S .

JOURNAL OF PRESSURE VESSEL TECHNOLOGY-TRANSACTIONS OF THE ASME, 2000, 122 (02) :152-155

[7]

HAIGH JR, 1974, RDLM461 CENTR EL RES

[8] USE OF C-STAR PARAMETER IN PREDICTING CREEP CRACK-PROPAGATION RATES [J].

HARPER, MP ;

ELLISON, EG .

JOURNAL OF STRAIN ANALYSIS FOR ENGINEERING DESIGN, 1977, 12 (03) :167-179

[9] THE ASYMPTOTIC STRESS AND STRAIN FIELD NEAR THE TIP OF A GROWING CRACK UNDER CREEP CONDITIONS [J].

HUI, CY ;

RIEDEL, H .

INTERNATIONAL JOURNAL OF FRACTURE, 1981, 17 (04) :409-425

[10] PLASTIC STRESS AND STRAIN FIELDS AT A CRACK TIP [J].

HUTCHINSON, JW .

JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 1968, 16 (05) :337-+

← 1 2 3 →