AS 1038.12.3-1993

1 - AS 1038.12.3-1993 COAL AND COKE-ANALYSIS AND TESTING - HIGHER RANK COAL-CAKING AND COKING PROPERTIES-DILATATION
4 - PREFACE
5 - CONTENTS
6 - 1 SCOPE
6 - 2 REFERENCED DOCUMENTS
6 - 3 DEFINITIONS
6 - 3.1 Duplicate dilatation tests
6 - 3.2 Higher rank coal
6 - 3.3 Maximum contraction
6 - 3.4 Maximum dilatation
6 - 3.5 Temperature of initial contraction
6 - 3.6 Reference retort and piston
6 - 3.7 Parallel dilatation tests
7 - 3.8 Temperature of maximum contraction
7 - 3.9 Temperature of maximum dilatation
7 - 4 PRINCIPLE
7 - 5 SAFETY
7 - 6 APPARATUS
7 - 6.1 Mould and accessories
7 - 6.1.1 Mould (see Figure 2)
8 - 6.1.2 Mallet
8 - 6.1.3 Press
8 - 6.1.4 Ram and pencil gauge (see Figure 2)
8 - 6.1.5 Load cell
8 - 6.2 Retorts and pistons
8 - 6.2.1 Retort
8 - 6.2.2 Piston
8 - 6.2.3 Stand
8 - 6.2.4 Cleaning implements
8 - 6.3 Furnace and piston movement recorder
9 - 6.4 Temperature control
9 - 7 PREPARATION OF COAL PENCIL
9 - 7.1 Particle size reduction of coal sample
10 - 7.2 Preparation of coal pencil
10 - 8 DILATATION TEST PROCEDURE
10 - 8.1 Inspection of the apparatus
10 - 8.2 Determination of dilatation
11 - 8.3 Cleaning
11 - 9 REPORTING OF RESULTS
11 - 10 PRECISION
11 - 11 TEST REPORT
18 - APPENDIX A - INSPECTION OF DILATOMETER RETORTS

Sets out a method for obtaining a quantitative measure of the dilatation of higher rank coal, to characterize the swelling properties of the coal in terms of three temperatures.

This Standard sets out a method for obtaining a quantitative measure of the dilatation of higher rank coal.

First published as AS 1038.12.3-1984.
Second edition 1993.