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AS 1774.14-1992

AS 1774.14-1992

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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

Available format(s)

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

Superseded date

06-30-2017

Superseded by

AS 1774.14-2008

Language(s)

English

Published date

07-13-1992

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 1774.14-1992 REFRACTORIES AND REFRACTORY MATERIALS - PHYSICAL TEST METHODS - THERMAL CONDUCTIVITY
1 - PREFACE
1 - CONTENTS
1 - METHOD
1 - 1 SCOPE
2 - 2 REFERENCED DOCUMENTS
2 - 3 DEFINITIONS
2 - 3.1 Thermal diffusivity
2 - 4 WATER-CALORIMETER METHOD
2 - 4.1 Principle
2 - 4.2 Apparatus
4 - 4.3 Test specimens
6 - 4.4 Procedure
7 - 4.5 Record of test data
7 - 4.6 Calculation
7 - 4.7 Reporting of results
8 - 5 PARALLEL HOT-WIRE METHOD
8 - 5.1 Principle
8 - 5.2 Apparatus
8 - 5.2.1 Furnace
8 - 5.2.2 Hot wire
8 - 5.2.3 Power suppl y to the hot wire
8 - 5.2.4 Differential platinum/platinum- rhodiumthermocouple (Type Ror S)
8 - 5.2.5 Voltage and current measurement apparatus
8 - 5.2.6 Data recording device
8 - 5.2.7 Containers
10 - 5.2.8 Insulating layer
10 - 5.2.9 Specimen supports
10 - 5.3 Test pieces
10 - 5.3.1 Sampling
10 - 5.3.2 Solid test pieces
10 - 5.3.3 Powdered and granular test pieces
10 - 5.3.4 Drying
11 - 5.4 Procedure
12 - 5.5 Calculation of resul ts
12 - 5.6 Test report
14 - APPENDIX A - EXAMPLE OF THE DETERMINATION OF THERMAL CONDUCTIVITY BY THE PARALLEL HOT-WIRE METHOD

Describes a water-calorimeter method and a parallel hot-wire method for determining the thermal conductivity of refractories having a thermal conductivity up to 30 W/(m.K).

Committee
MN-007
DocumentType
Standard
ISBN
0 7262 7501 8
Pages
14
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

This Standard describes a water-calorimeter method and a parallel hot wire method for determining the thermal conductivity of refractories.The hot-wire method is applicable at temperatures up to and including 1600°C and to materials having a thermal conductivity lower than 25 W/(m.K) and a thermal diffusivity lower than 10û6m2/s. Electrically conducting materials are excluded. The water-calorimeter method is designed for refractories having a conductivity of not more than 30 W/(m.K).The parallel hot-wire method is a dynamic measuring procedure based on the measurement of the temperature increase at a certain location at a specified distance from a linear heat source embedded in a test piece.This Standard is not applicable to refractories consisting predominantly of fibres.

First published as AS R31.14-1966.
Revised and redesignated AS 1774.14-1992.

AS 2780-1999 Refractories and refractory materials - Glossary of terms
AS 2497-1981 Sampling procedures for acceptance testing of shaped refractory products
AS 2780-2003 Refractories and refractory materials - Glossary of terms (Reconfirmed 2013)
AS 1618-1993 Dimensions and preferred sizes for refractory bricks
AS 1618-2003 Dimensions and preferred sizes for refractory bricks

AS 2497.1-2001 Procedures for acceptance testing of refractory products Batch procedure (Reconfirmed 2013)
AS 1774.28-1998 Refractories and refractory materials - Physical test methods Ceramic fibre products - Test methods
AS 1774.30-2005 Refractories and refractory materials - Physical test methods Drying and firing schedules
AS 1617.2-1993 Refractory bricks and shapes Insulating

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