Standard
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AS 1544.4-2003
[Current]Methods for impact tests on metals, Part 4: Calibration of the testing machine
Specifies a method for the static calibration of the energy-measuring system of machines used for impact tests on metals.
Published: 19/09/2003
Pages: 19
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
1 Scope and general
1.1 Scope
1.2 Referenced documents
1.3 Definitions
1.4 Notation
1.5 Testing machine
1.6 Requirements for gauges
2 Complete calibration
2.1 Scope of section
2.2 Preliminary inspection
2.3 Level
2.4 Bearings
2.5 Indicating equipment
2.5.1 All machines
2.5.2 Charpy machines
2.5.3 Izod machines
2.6 Friction losses
2.6.1 Losses and methods of determination
2.6.2 Loss by friction of the pointer
2.6.3 Losses by air resistance and pendulum bearing friction
2.6.4 Total energy lost by friction
2.7 Location of pendulum
2.7.1 Charpy machines
2.7.2 Izod machines
2.8 Test piece supports
2.8.1 Requirements
2.8.2 Charpy machines
2.8.3 Izod machines
2.9 Striker
2.9.1 Charpy machines
2.9.2 Izod machines
2.10 Test piece clearance (Charpy machines)
2.11 Centre of percussion
2.12 Initial potential energy
2.13 Calibration of scales
2.14 Striking velocity
2.14.1 Requirements
2.14.2 Method of determination
2.15 Verification of Charpy machines
2.16 Requirements for complete recalibrations
2.17 Record of results
2.18 Report
3 Partial calibration
3.1 Scope of section
3.2 Procedure for partial calibration
3.3 Time interval between partial calibrations
3.4 Record of results
3.5 Report
Appendix A
Cited references in this standard
ASTM E23
Methods for notched bar impact testing of metallic materials
[Current]
Metallic materials — Charpy pendulum impact test — Part 2: Verification of testing machines
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