Ductile fracture toughness estimation based on CVN upper shelf energy

Kim Wallin

Ductile fracture toughness estimation based on CVN upper shelf energy

Kim Wallin

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

Abstract

J-R -curve testing is costly and difficult. The results may also sometimes be unreliable. For less demanding structures, J-R -curve testing is therefore not practical. The Charpy-V-notch test provides information about the energy needed to fracture a small specimen in half. On the upper shelf this energy relates to ductile fracture resistance and it is possible to correlate it to the J-R -curve. Here, a simple power law description of the J-R -curve was correlated to the CVNUS energy. This new correlation corresponds essentially to a 5 % lower bound and conforms well with earlier correlations, regardless of the definition of the ductile fracture toughness parameter.

Original language	English
Title of host publication	BALTICA V
Subtitle of host publication	Condition and Life Management for Power Plants
Place of Publication	Espoo
Publisher	VTT Technical Research Centre of Finland
Pages	635-646
Volume	2
ISBN (Electronic)	951-38-5717-4
ISBN (Print)	951-38-5716-6
Publication status	Published - 2001
MoE publication type	A4 Article in a conference publication
Event	BALTICA V - Condition and Life Management for Power Plants - Porvoo, Finland Duration: 6 Jun 2001 → 8 Jun 2001

Publication series

Series	VTT Symposium
Number	212
ISSN	0357-9387

Conference

Conference	BALTICA V - Condition and Life Management for Power Plants
Abbreviated title	Baltica V
Country	Finland
City	Porvoo
Period	6/06/01 → 8/06/01

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title = "Ductile fracture toughness estimation based on CVN upper shelf energy",

abstract = "J-R -curve testing is costly and difficult. The results may also sometimes be unreliable. For less demanding structures, J-R -curve testing is therefore not practical. The Charpy-V-notch test provides information about the energy needed to fracture a small specimen in half. On the upper shelf this energy relates to ductile fracture resistance and it is possible to correlate it to the J-R -curve. Here, a simple power law description of the J-R -curve was correlated to the CVNUS energy. This new correlation corresponds essentially to a 5 % lower bound and conforms well with earlier correlations, regardless of the definition of the ductile fracture toughness parameter.",

author = "Kim Wallin",

year = "2001",

language = "English",

isbn = "951-38-5716-6",

volume = "2",

series = "VTT Symposium",

publisher = "VTT Technical Research Centre of Finland",

number = "212",

pages = "635--646",

booktitle = "BALTICA V",

address = "Finland",

note = "BALTICA V - Condition and Life Management for Power Plants, Baltica V ; Conference date: 06-06-2001 Through 08-06-2001",

}

Ductile fracture toughness estimation based on CVN upper shelf energy. / Wallin, Kim.

BALTICA V: Condition and Life Management for Power Plants. Vol. 2 Espoo : VTT Technical Research Centre of Finland, 2001. p. 635-646 (VTT Symposium; No. 212).

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

TY - GEN

T1 - Ductile fracture toughness estimation based on CVN upper shelf energy

AU - Wallin, Kim

PY - 2001

Y1 - 2001

N2 - J-R -curve testing is costly and difficult. The results may also sometimes be unreliable. For less demanding structures, J-R -curve testing is therefore not practical. The Charpy-V-notch test provides information about the energy needed to fracture a small specimen in half. On the upper shelf this energy relates to ductile fracture resistance and it is possible to correlate it to the J-R -curve. Here, a simple power law description of the J-R -curve was correlated to the CVNUS energy. This new correlation corresponds essentially to a 5 % lower bound and conforms well with earlier correlations, regardless of the definition of the ductile fracture toughness parameter.

AB - J-R -curve testing is costly and difficult. The results may also sometimes be unreliable. For less demanding structures, J-R -curve testing is therefore not practical. The Charpy-V-notch test provides information about the energy needed to fracture a small specimen in half. On the upper shelf this energy relates to ductile fracture resistance and it is possible to correlate it to the J-R -curve. Here, a simple power law description of the J-R -curve was correlated to the CVNUS energy. This new correlation corresponds essentially to a 5 % lower bound and conforms well with earlier correlations, regardless of the definition of the ductile fracture toughness parameter.

M3 - Conference article in proceedings

SN - 951-38-5716-6

VL - 2

T3 - VTT Symposium

SP - 635

EP - 646

BT - BALTICA V

PB - VTT Technical Research Centre of Finland

CY - Espoo

T2 - BALTICA V - Condition and Life Management for Power Plants

Y2 - 6 June 2001 through 8 June 2001

ER -