I.S. CWA 15627:2006

FOREWORD
PART A: A Code of Practice for Small Punch Creep Testing
0 INTRODUCTION
1 SCOPE
2 DEFINITIONS
3 APPARATUS
  3.1 Test Rig
  3.2 Loading System
  3.3 Strain Measurement System
  3.4 Heating System
  3.5 Test Environment
  3.6 Additional Measurements
  3.7 Data Recording
4 TEST PIECES
  4.1 Design
  4.2 Manufacture and Metrology
  4.3 Identification and Documentation
5 TEST PROCEDURE
  5.1 Test Piece Installation
  5.2 Determination Of Test Load
  5.3 Application Of Load And Temperature
  5.4 Monitoring and maintaining test conditions
  5.5 Test interruption and termination
  5.6 Post test examination
  5.7 Data records
6 REPORT
  6.1 Minimum requirements
  6.2 Additional information
7 REFERENCES
ANNEX A1: Relationship to uniaxial creep test properties
ANNEX A2: Guidance on relevant technological issues: specimen
          sampling from components
Part B: A Code of Practice for Small Punch Testing for Tensile
        and Fracture Behaviour
0 INTRODUCTION
1 SCOPE
2 DEFINITIONS
3 APPARATUS
  3.1 Test Rig
  3.2 Loading System
  3.3 Displacement Measurement System
  3.4 Deflection Measurement System
  3.5 Heating or Cooling System
  3.6 Test Environment
  3.7 Additional Measurements
  3.8 Data Recording
4 TEST SPECIMEN PREPARATION
  4.1 Specimen for Small Punch Bulge Test
  4.2 Specimen for Small Punch Drawing Test
  4.3 Identification and Documentation
5 TEST TEMPERATURE CONSIDERATIONS
6 TEST PROCEDURE
  6.1 Installation of the Test Specimen
  6.2 Test Speed
  6.3 Test Record
7 POST TEST EXAMINATION
  7.1 Determination of the elastic plastic transition load
  7.2 Determination of the SP Fracture Energy
  7.3 Determination of the Effective Fracture Strain
8 TEST REPORT
  8.1 Minimum Requirements
  8.2 Additional Information
9 REFERENCES
ANNEX B1: Derivation of tensile and fracture material properties
ANNEX B2: Guidance on relevant technological issues: specimens
          sampling from components

Presents guidance on the procedure to be followed when carrying out Small Punch Creep tests. The objectives of such tests are to evaluate the creep behaviour of materials exposed in operating plant components in order to provide data needed for plant life and integrity assessment.