Standard
Track updates
AS 1544.3-2003
[Current]Methods for impact tests on metals, Part 3: Charpy U-notch and keyhole notch
Specifies the conditions for performing the Charpy U-notch impact test on metals.
Published: 19/09/2003
Pages: 13
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
1 Scope
2 Referenced documents
3 Definitions
4 Testing machine
4.1 General
4.2 Installation, calibration and maintenance.
4.3 Test piece supports
4.4 Striker
4.5 Test piece clearance
4.6 Centre of percussion
4.7 Striking velocity
4.8 Indicating equipment
4.9 Zero reading
4.10 Friction losses.
4.11 Initial potential energy
4.12 Indicated absorbed energy
5 Test piece
5.1 Sampling and preparation
5.2 Form of test piece
5.2.1 General
5.2.2 Standard test piece
5.2.3 Subsidiary test pieces
5.2.4 Dimension and tolerances of test pieces
5.3 Notch preparation
6 Procedure
6.1 Conditioning of test piece
6.1.1 General
6.1.2 Tests at ambient temperature
6.1.3 Tests at subzero temperatures or temperatures up to 200°C
6.1.4 Tests at temperatures above 200°C
6.1.5 Accuracy of conditioning temperature.
6.2 Location of test piece
6.3 Operation of the testing machine
6.4 Record of test results
7 Report
Appendix A
A1 Installation
A1.1 Foundation
A1.2 Level
A2 Calibration
A2.1 Calibration on installation
A2.2 Routine recalibration of the testing machine
A2.3 Additional recalibration of the testing machine
A2.4 Verification
A2.5 Verification after replacement of striker or anvil parts
A3 Maintenance of the testing machine by the user
A3.1 General
A3.2 Inspection of components and operation
A3.3 Test piece locating device
A3.4 Zero reading
A3.5 Friction losses
A3.5.1 General
A3.5.2 Loss by friction of the pointer
A3.5.3 Losses by air resistance and pendulum bearing friction
A3.5.4 Total losses by friction
Appendix B
Cited references in this standard
ASTM E23
Methods for notched bar impact testing of metallic materials
[Current]
Metallic materials - Charpy pendulum impact test - Part 3: Preparation and characterization of Charpy V-notch test pieces for indirect verification of pendulum impact machines
[Current]
Methods for impact tests on metals, Part 5: Assessment of fracture surface appearance of steel
[Current]
Methods for impact tests on metals, Part 4: Calibration of the testing machine
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