A NOVEL FRACTURE MECHANICS SPECIMEN TO INVESTIGATE THE EFFECT OF RESIDUAL STRESS AND CRACK-TIP CONSTRAINT ON FRACTURE

被引：0

作者：

Kamel, Simon ^{[1
]}

Vanagosoom, Tiyaporn ^{[1
]}

Shanthenu, Prakash ^{[1
]}

Davies, Catrin M. ^{[1
]}

Nikbin, Kamran M. ^{[1
]}

机构：

[1] Univ London Imperial Coll Sci Technol & Med, Dept Mech Engn, London, England

来源：

PROCEEDINGS OF THE ASME PRESSURE VESSELS AND PIPING CONFERENCE, PVP 2011, VOL 6, A AND B | 2012年

关键词：

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A novel fracture toughness specimen design is presented for investigating the effects of residual stress and crack tip constraint on fracture. The specimen design, denoted here as an SC(T) specimen, is a hybrid of a blunt-notched C(T) specimen and an SEN(T) specimen. The SC(T) specimen is mechanically pre-compressed on the C(T) load line to introduce a residual stress in the ligament ahead of a blunt notch. Following pre-compression, a crack is introduced into the tensile residual stress field. The SC(T) specimen can then be loaded either on the C(T) or SEN(T) load line to examine the effects of residual stress under high constraint or low constraint conditions respectively. Finite element analysis is performed to examine the sensitivity of the specimen dimensions on crack tip constraint and to demonstrate the introduction of residual stress into the specimen.

引用

页码：1339 / 1345

页数：7

共 50 条

[41] Effect of Crack-tip Shielding by Dislocations on Fracture Toughness - in Relation to Hydrogen Embrittlement -
Higashida, Kenji
Tanaka, Masaki
Sadamatsu, Sunao
[J]. ISIJ INTERNATIONAL, 2022, 62 (10) : 2074 - 2080
[42] EFFECT OF CRACK-TIP HYDROGEN PROFILES ON THE EMBRITTLED FRACTURE TOUGHNESS OF A STAINLESS STEEL
Melcher, Ryan J.
Schembri, Philip E.
[J]. EFFECTS OF HYDROGEN ON MATERIALS, 2009, : 113 - 122
[43] Effect of constraint induced by crack depth on creep crack-tip stress field in CT specimens
Wang, G. Z.
Liu, X. L.
Xuan, F. Z.
Tu, S. T.
[J]. INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES, 2010, 47 (01) : 51 - 57
[44] Automatic Crack Tip Meshing Approach for Constraint-Based Fracture Mechanics Application
Leong, K. H.
Yusof, F.
Latiff, R. H. A.
[J]. JOURNAL OF FAILURE ANALYSIS AND PREVENTION, 2021, 21 (03) : 806 - 821
[45] Automatic Crack Tip Meshing Approach for Constraint-Based Fracture Mechanics Application
K. H. Leong
F. Yusof
R. H. A. Latiff
[J]. Journal of Failure Analysis and Prevention, 2021, 21 : 806 - 821
[46] Effect of constraint induced by crack depth on creep crack-tip stress field in CT specimens
Wang, Guozhen
Liu, Xiaoli
Xuan, Fu-Zhen
Tu, Shan-Tung
[J]. TRANSFERABILITY AND APPLICABILITY OF CURRENT MECHANICS APPROACHES, 2009, : 201 - 206
[47] A SPECIMEN FOR DETERMINING FRACTURE PROPERTIES UNDER COMBINED MODES, I, II, AND III CRACK-TIP CONDITIONS
HYDE, TH
AKSOGAN, O
[J]. JOURNAL OF STRAIN ANALYSIS FOR ENGINEERING DESIGN, 1994, 29 (01): : 1 - 6
[48] On the Crack-Tip Region Stress Field in Molecular Systems: The Case of Ideal Brittle Fracture
Gallo, Pasquale
[J]. ADVANCED THEORY AND SIMULATIONS, 2019, 2 (10)
[49] The matching of crack-tip constraint between standard and non-standard specimen
Yang, Jie
[J]. ADVANCES IN MECHANICAL ENGINEERING, 2018, 10 (04)
[50] Blunt crack-tip elastoplastic zone of mixed mode fracture
Mehdi Khojastehpour
[J]. Acta Mechanica Solida Sinica, 2014, 27 : 531 - 541

← 1 2 3 4 5 →