Analysis of fracture appearance in CTOA testing of API X65 steel
Publish Year: 1392
Type: Conference paper
Language: English
View: 141
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Document National Code:
ISME21_100
Index date: 8 November 2022
Analysis of fracture appearance in CTOA testing of API X65 steel abstract
In the present paper, different stages of fracture process during CTOA testing of a modified double cantilever beam (MDCB) made from API X65 steel was studied. During this experiment, the large observed CTOA values in the early stages of fracture were attributed to crack blunting, crack initiation, crack growth in flat fracture mode, and crack tunneling in the middle of test. The observed stable CTOA data after transit region of crack growth was associated to transformation of flat to slant fracture and to subsequent stable slant fracture. This was verified by SEM fractography of the fracture surface of the CTOA test sample.
Analysis of fracture appearance in CTOA testing of API X65 steel Keywords:
Analysis of fracture appearance in CTOA testing of API X65 steel authors
H Dastani
M.Sc. in Mechanical Engineering, University of Birjand
S.H Hashemi
Associate Professor, University of Birjand
J Sadri
Assistant Professor, University of Birjand
