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BS 1902-5.14:1992

BS 1902-5.14:1992

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Current

The latest, up-to-date edition.

Methods of testing refractory materials. Refractory and thermal properties Determination of thermal expansion (temperatures up to 1500°C) (methods 1902-5.14)

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

06-15-1992

Publisher

British Standards Institution

Methods
1 Scope
2 Designation
3 Definitions
4 Principle
5 Apparatus
6 Test pieces
7 Calibration
8 Procedure
9 Calculation and expression of results
10 Test report
Appendices
A Requirements for accuracy
B Methods for testing investment casting shell moulds
Table
1 Thermal expansion reference data for polycrystalline
    alumina relative to 20 Deg C
Figures
1 Horizontal dilatometer
2 Vertical dilatometer
B.1 Apparatus for testing investment casting shell moulds

Gives two methods for determination of the thermal expansion of refractory materials. Applies to products fired to a temperature equal to or greater than the upper limit of intended testing, also can be used with oxidizable materials should the equipment be fitted with means to produce a reducing atmosphere. Maximum testing temperature is 1500 deg C.

This Section of BS 1902 : Part 5 describes two methods for determining the thermal expansion of refractory materials. The methods are applicable to products which have been fired to a temperature equal to or greater than the upper limit of intended testing, and may also be used with oxidizable materials if the equipment is fitted with means to produce a reducing atmosphere. The maximum temperature for testing is 1500 °C.

NOTE 1. The methods may be used to determine the dimensional changes occurring during heating of unfired materials, which is not usually described as thermal expansion.

NOTE 2. The titles of the publications referred to in this standard are listed on the inside back cover.

Appendix B gives the method for testing investment casting shell moulds. This method is for determination of both thermal expansion and contraction as a function of temperature and time, and is applicable to all shell mould test pieces whether in a green or fired condition.

Committee
RPI/1
DevelopmentNote
Supersedes 90/47759 DC and 94/303079 DC (04/2005) Reviewed and confirmed by BSI, December 2009. (11/2009)
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Current
Supersedes

BS 1902-5.3:1990 Methods of testing refractory materials. Refractory and thermal properties Determination of thermal expansion (horizontal method to 1100°C) (method 1902-503)
15/30315787 DC : 0 BS ISO 17562 - FINE CERAMICS (ADVANCED CERAMICS, ADVANCED TECHNICAL CERAMICS) - TEST METHOD FOR LINEAR THERMAL EXPANSION OF MONOLITHIC CERAMICS BY PUSH-ROD TECHNIQUE
ISO 17562:2016 Fine ceramics (advanced ceramics, advanced technical ceramics) Test method for linear thermal expansion of monolithic ceramics by push-rod technique
ISO/TR 15655:2003 Fire resistance Tests for thermo-physical and mechanical properties of structural materials at elevated temperatures for fire engineering design

BS 4937-2:1973 International thermocouple reference tables Platinum -13% rhodium/platinum thermocouples. Type R
BS 1902-5.4:1989 Methods of testing refractory materials. Refractory and thermal properties Determination of thermal expansion (for large test pieces) (method 1902-504)
BS 1902-5.3:1990 Methods of testing refractory materials. Refractory and thermal properties Determination of thermal expansion (horizontal method to 1100°C) (method 1902-503)

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