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ASTM-E2818:2011 Edition

ASTM-E2818:2011 Edition

$35.75

E2818-11 Standard Practice for Determination of Quasistatic Fracture Toughness of Welds

Published By Publication Date Number of Pages
ASTM 2011 4
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1.1 This practice provides methods for preparing specimens from welds in metallic materials and interpreting subsequent test results when used in conjunction with standards Test Methods E1290 and E1820 for the determination of fracture toughness. The fatigue pre-cracking procedures included in this practice may also be used to aid in preparing straight pre-cracks for weld specimens in accordance with Test Method E1681 .

1.2 This practice draws heavily from ISO 15653: Metallic materials Method of test for the determination of quasistatic fracture toughness of welds. All references to ISO 12135 in that test method should be replaced with the applicable ASTM Test Methods ( E1820 , E1290 or E1681 ).

1.3 The recommended specimen is a single-edge bend [SE(B)] with width, W, equal to twice the specimen thickness, B. An alternate SE(B) specimen with W/B equal to one and a span, S, to W ratio of 4 may be used but may produce different toughness values. A compact tension [C(T)] specimen may be used if it can be demonstrated that the analysis of results properly accounts for weld-to-base metal strength mismatch effects on fracture toughness.

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Terminology
2 Summary of Practice
Significance and Use
Apparatus
Specimen Configuration, Dimensions, and Preparation
3 Procedure
Post-test Metallography
Post-test Analysis
Report
Precision and Bias
Keywords

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