公开(公告)号：WO2018232268A1

公开(公告)日：2018-12-20

申请号：PCT/US2018/037795

申请日：2018-06-15

申请人： SAUDI ARABIAN OIL COMPANY ,  ARAMCO SERVICES COMPANY

发明人： TRAIDIA, Abderrazak ,  CHATZIDOUROS, Elias ,  JOUIAD, Mustapha

IPC分类号： G01N1/28 ,  G01N3/04 ,  G01N3/20

摘要： A method of testing a material sample of a type used in a wall of a structure in a standard test for in-plane fracture toughness evaluation. The method comprises obtaining a sample having a lateral length no larger than a thickness of the wall of the structure, shaping the sample to have (a) a bottom surface, (b) a profiled top surface having a central notch, (c) a first coupling feature on a first side of the central notch, and (d) a second coupling feature on a second side of the central notch, assembling a test specimen which increases the width of the sample beyond the lateral width by coupling a first lateral extension to the first coupling feature and a second lateral extension to the second coupling feature, and applying a standard fracture toughness test to the so-assembled test specimen and sample to evaluate the fracture toughness of the sample.