NS EN ISO 12737 : 2010

1 Scope
2 Normative references
3 Definitions
4 Symbols and definitions
5 Principle
6 Apparatus
7 Test specimen size, configuration and preparation
8 Procedure
9 Test procedure
10 Calculation and interpretation of results
11 Test report
Annexes
A Fatigue precracking Klc fracture toughness specimens
B Bend test specimen
C Compact specimen
D Test fixtures
E Bibliography

Defines the method for determining the plane-strain fracture toughness of homogeneous metallic materials using a specimen that is notched and precracked by fatigue, and subjected to slowly increasing crack displacement force.