96/711730 DC : DRAFT SEP 1996

Foreword
1 SCOPE
2 NORMATIVE REFERENCES
3 DEFINITIONS
4 SYMBOLS AND DESIGNATIONS
5 GENERAL REQUIREMENTS
  5.1 Introduction
  5.2 Test specimens
  5.3 Pre-Test Requirements
  5.4 Test Apparatus
  5.5 Test Requirements
  5.6 Post-Test Measurements
6 DETERMINATION OF FRACTURE TOUGHNESS FOR STABLE
  AND UNSTABLE CRACK EXTENSION
  6.1 General
  6.2 Determination of plane strain fracture
      toughness, K[Ic]
  6.3 Determination of fracture toughness in terms
      of delta
  6.4 Determination of fracture toughness in terms
      of J
7 DETERMINATION OF RESISTANCE CURVES (Delta-Delta a
  and J-Delta a) AND INITIATION VALUES (Delta[0.2CL]
  and J[0.2CL], Delta[i] and J[i]) FOR STABLE CRACK
  EXTENSION
  7.1 General
  7.2 Test Procedure
  7.3 Calculations of Delta and J
  7.4 R-Curve Plot
  7.5 Qualification of Resistance Curves
  7.6 Determination and Qualification of Delta[0.2CL]
      and J[0.2CL]
8 TEST REPORT
FIGURES
ANNEXES
A Crack plane orientation (normative)
B Stress intensity factor coefficients and compliance
  relationships (normative)
C Measurement of load-line displacement (q) in a
  three point bend specimen (informative)
D Derivation of Pop-in equations (informative)
E Analytical method for the determination of V[p]
  (informative)
F Single specimen methods (informative)
G Power law fits to crack extension data (normative)
H Determination of Delta[i] and J[i]
I Tables
J Bibliography

(ISO/CD 12135)