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Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing, 2017
Abstract In order to understand and improve fracture toughness of heat affected zones (HAZs) of high-strength low alloy (HSLA) steels, complex microstructures including quasi-polygonal ferrite (QPF), acicular ferrite (AF), granular bainite (GB), bainitic ferrite (BF), and martensite-austenite (MA) constituent should be identified, quantified, and ...
Seok Su Sohn
exaly +4 more sources
Abstract In order to understand and improve fracture toughness of heat affected zones (HAZs) of high-strength low alloy (HSLA) steels, complex microstructures including quasi-polygonal ferrite (QPF), acicular ferrite (AF), granular bainite (GB), bainitic ferrite (BF), and martensite-austenite (MA) constituent should be identified, quantified, and ...
Seok Su Sohn
exaly +4 more sources
1992
Crack-tip opening displacement (CTOD) measurements were made 100 üm behind the crack tip on standard three-point bend specimens using a laser-based interferometric technique. Four materials (SAE-01 steel, 4340 steel, HY-100 steel, and tungsten) were tested at loading rates ranging from quasi-static (K ≈ 1 MPa∙ m½/s) to dynamic (K ≈ 106 MPa ∙ m½/s).
Wn Sharpe
exaly +3 more sources
Crack-tip opening displacement (CTOD) measurements were made 100 üm behind the crack tip on standard three-point bend specimens using a laser-based interferometric technique. Four materials (SAE-01 steel, 4340 steel, HY-100 steel, and tungsten) were tested at loading rates ranging from quasi-static (K ≈ 1 MPa∙ m½/s) to dynamic (K ≈ 106 MPa ∙ m½/s).
Wn Sharpe
exaly +3 more sources
Crack-tip opening displacement (CTOD)
Introduction to Fracture Mechanics, 2021Robert O Ritchie
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Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing
Chengjia Shang, Qi-Lin Ma
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Chengjia Shang, Qi-Lin Ma
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Journal of Testing and Evaluation, 1992
Abstract ASTM Committee E-24 on Fracture has recently standardized the crack tip opening displacement (CTOD) measurement method. Three major differences between the ASTM E 1290-89 method and British Standard BS5762:1979 are outlined, and the influence of these differences on the critical crack initiation CTOD value is studied.
S Bhattacharya, AN Kumar
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Abstract ASTM Committee E-24 on Fracture has recently standardized the crack tip opening displacement (CTOD) measurement method. Three major differences between the ASTM E 1290-89 method and British Standard BS5762:1979 are outlined, and the influence of these differences on the critical crack initiation CTOD value is studied.
S Bhattacharya, AN Kumar
openaire +2 more sources
Cryogenics, 2015
Abstract The part-through fracture toughness ( K Ie ) and crack-tip opening displacement (CTOD, δ m ) of welded joints of aluminum alloy (AA) 20l4-T6, including the weld metal, the fusion zone (FZ), the heat-affected zone (HAZ), and the base material, were investigated at both liquid nitrogen temperature and liquid helium temperature with surface ...
Chuanjun Huang, Linlin Li
exaly +2 more sources
Abstract The part-through fracture toughness ( K Ie ) and crack-tip opening displacement (CTOD, δ m ) of welded joints of aluminum alloy (AA) 20l4-T6, including the weld metal, the fusion zone (FZ), the heat-affected zone (HAZ), and the base material, were investigated at both liquid nitrogen temperature and liquid helium temperature with surface ...
Chuanjun Huang, Linlin Li
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1985
Following a brief description of the role of elastic-plastic fracture mechanics for fitness for purpose assessments of ferritic materials, current fracture toughness testing standards are reviewed.
S. Garwood
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Following a brief description of the role of elastic-plastic fracture mechanics for fitness for purpose assessments of ferritic materials, current fracture toughness testing standards are reviewed.
S. Garwood
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1994
In the multi-passed weld heat-affected zone (HAZ), the occurrence of mechanical and metallurgical heterogeneity is inevitable. For the fracture toughness evaluation of the steel weld HAZ, the effect of the inhomogeneity shall be considered, particularly in relation to determination of the appropriate testing procedures such as the extraction of test ...
exaly +2 more sources
In the multi-passed weld heat-affected zone (HAZ), the occurrence of mechanical and metallurgical heterogeneity is inevitable. For the fracture toughness evaluation of the steel weld HAZ, the effect of the inhomogeneity shall be considered, particularly in relation to determination of the appropriate testing procedures such as the extraction of test ...
exaly +2 more sources
Basrah journal for engineering science, 2023
Fracture mechanics approach is important for all mechanical and civil projects that might involve cracks in metallic materials the purpose of this paper is to determine a crack tip opening displacement fracture toughness experimentally, also study the ...
Sara A. Khudair +2 more
semanticscholar +1 more source
Fracture mechanics approach is important for all mechanical and civil projects that might involve cracks in metallic materials the purpose of this paper is to determine a crack tip opening displacement fracture toughness experimentally, also study the ...
Sara A. Khudair +2 more
semanticscholar +1 more source