Effect of Cladding on Biaxially Loaded Underclad Part-Through Cracks

Research output: Contribution to journalArticle

Standard

Effect of Cladding on Biaxially Loaded Underclad Part-Through Cracks. / Scibetta, Marc; Lucon, Enrico; Houben, Tom.

In: Journal of ASTM International, Vol. 7, No. 4, 04.2010, p. 1-18.

Research output: Contribution to journalArticle

Author

Bibtex - Download

@article{6f4107e5b8114af9add3638d1641560f,
title = "Effect of Cladding on Biaxially Loaded Underclad Part-Through Cracks",
abstract = "Fracture toughness testing on standard specimens in the ductile to brittle transition regime is well established and standardized by the ASTM since 1997. However, its applicability to structural components and its potential conservatism remain a subject of concern. In structural integrity assessment of reactor pressure vessels submitted to an accidental loading condition called pressurized thermal shock, the cladding is generally considered not to play any role and is neglected. However, cladding has the ability to restrain the crack from opening due to its good ductility. To investigate the potential safety margin, a semielliptical crack introduced by fatigue is covered by a stainless steel cladding and specimens are tested under biaxial conditions in the ductile to brittle transition regime. Test results shows that cladding plays a significant role and contributes to an additional safety margin. In addition, cladding increases the potential for crack arrest.",
keywords = "fracture toughness, master curve, pressurized thermal shock, transferability, cladding",
author = "Marc Scibetta and Enrico Lucon and Tom Houben",
note = "Score = 10",
year = "2010",
month = "4",
doi = "10.1520/JAI102544",
language = "English",
volume = "7",
pages = "1--18",
journal = "Journal of ASTM International",
issn = "1546-962X",
publisher = "ASTM International",
number = "4",

}

RIS - Download

TY - JOUR

T1 - Effect of Cladding on Biaxially Loaded Underclad Part-Through Cracks

AU - Scibetta, Marc

AU - Lucon, Enrico

AU - Houben, Tom

N1 - Score = 10

PY - 2010/4

Y1 - 2010/4

N2 - Fracture toughness testing on standard specimens in the ductile to brittle transition regime is well established and standardized by the ASTM since 1997. However, its applicability to structural components and its potential conservatism remain a subject of concern. In structural integrity assessment of reactor pressure vessels submitted to an accidental loading condition called pressurized thermal shock, the cladding is generally considered not to play any role and is neglected. However, cladding has the ability to restrain the crack from opening due to its good ductility. To investigate the potential safety margin, a semielliptical crack introduced by fatigue is covered by a stainless steel cladding and specimens are tested under biaxial conditions in the ductile to brittle transition regime. Test results shows that cladding plays a significant role and contributes to an additional safety margin. In addition, cladding increases the potential for crack arrest.

AB - Fracture toughness testing on standard specimens in the ductile to brittle transition regime is well established and standardized by the ASTM since 1997. However, its applicability to structural components and its potential conservatism remain a subject of concern. In structural integrity assessment of reactor pressure vessels submitted to an accidental loading condition called pressurized thermal shock, the cladding is generally considered not to play any role and is neglected. However, cladding has the ability to restrain the crack from opening due to its good ductility. To investigate the potential safety margin, a semielliptical crack introduced by fatigue is covered by a stainless steel cladding and specimens are tested under biaxial conditions in the ductile to brittle transition regime. Test results shows that cladding plays a significant role and contributes to an additional safety margin. In addition, cladding increases the potential for crack arrest.

KW - fracture toughness

KW - master curve

KW - pressurized thermal shock

KW - transferability

KW - cladding

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/ezp_105679

UR - http://knowledgecentre.sckcen.be/so2/bibref/6924

U2 - 10.1520/JAI102544

DO - 10.1520/JAI102544

M3 - Article

VL - 7

SP - 1

EP - 18

JO - Journal of ASTM International

JF - Journal of ASTM International

SN - 1546-962X

IS - 4

ER -

ID: 129239