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AS
AS 1774.24-1997

AS 1774.24-1997

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Refractories and refractory materials - Physical test methods Resistance to thermal shock

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

23-02-2023

Superseded by

AS 1774.24-2006

Language(s)

English

Published date

01-01-1997

Publisher

Standards Australia

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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1 - AS 1774.24-1997 REFRACTORIES AND REFRACTORY MATERIALS - PHYSICAL TEST METHODS - RESISTANCE TO THERMAL SHOCK
1 - PREFACE
1 - CONTENTS
1 - METHOD
1 - 1 SCOPE
2 - 2 REFERENCED DOCUMENTS
2 - 3 DEFINITIONS
2 - 3.1 Thermal shock
2 - 3.2 Thermal shock resistance
2 - 4 PRINCIPLE
2 - 5 SAFETY
2 - 6 APPARATUS
2 - 6.1 General description
2 - 6.2 Furnace
3 - 6.3 Test panel assembly
3 - 6.4 Cooling fan
4 - 6.5 Temperature measurement equipment
4 - 6.6 Ancillary apparatus
4 - 7 TEST SPECIMEN REQUIREMENTS
4 - 7.1 Preparation
4 - 7.2 Dimensions
4 - 7.3 Orientation
6 - 8 PROCEDURE
6 - 8.1 Thermal shock test
7 - 8.2 Modulus of rupture determination
8 - 9 CALCULATION
8 - 10 REPORTING OF RESULTS

Describes a procedure for determining the resistance to thermal shock of dense, prefired refractories, having a modulus of rupture of not less than 2 MPa when exposed to specified temperature fluctuations in a prescribed manner.

Committee
MN-007
DocumentType
Standard
ISBN
0 7337 1096 4
Pages
8
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

This Standard describes a procedure for determining the resistance to thermal shock of a refractory when a face is exposed to specified temperature fluctuations in a prescribed manner.This Standard is applicable to all dense, prefired refractories that-(a) are chemically stable in an oxidizing atmosphere;(b) when tested in accordance with AS 1774.3 have a modulus of rupture not less than2 MPa; and(c) are large enough for test specimens of the required dimensions to be cut.NOTE: The thermal shock conditions specified in this Standard may not be severe enough for testing special refractories such as silicon carbides.

First published as AS R31.24-1966.
Revised and redesignated AS 1774.24-1989.
Second edition 1997.

AS 1774.3-1992 Refractories and refractory materials - Physical test methods Determination of cold modulus of rupture
AS 2780-1999 Refractories and refractory materials - Glossary of terms
AS 1774.13-1989 Refractories and refractory materials - Physical test methods Permanent dimensional change

AS 2497.1-2001 Procedures for acceptance testing of refractory products Batch procedure (Reconfirmed 2013)
AS 2780-1999 Refractories and refractory materials - Glossary of terms
AS 1774.30-2005 Refractories and refractory materials - Physical test methods Drying and firing schedules
AS 2780-2003 Refractories and refractory materials - Glossary of terms (Reconfirmed 2013)

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