BS 7034-1:1988
Current
The latest, up-to-date edition.
Viscosity and viscometric fixed points of glass Recommendations for use in the determination of viscosity and viscometric fixed points
Hardcopy , PDF
English
31-01-1989
National foreword
Committees responsible
Recommendations
0 Introduction
1 Scope and field of application
2 Reference
3 Definitions
4 Viscosity-temperature relationships
5 Principles of measurement and calibration
6 Apparatus
7 Glass under test
8 Test report
Annexes
A Tables for estimating the influence of errors in
viscosity or temperature determination
B Examples of certified reference glasses for
viscometric calibration
C Bibliography
Tables
1 Relative change (delta eta)/eta and delta log eta in
the viscosity corresponding to a change in
temperature of - 1 deg C
2 Influence on error introduced by rounding constants
A, B and C
3 Certified reference glasses for glass viscosity
4 Certified reference glasses for glass viscometric
fixed points
Gives rules for characterizing glass as a liquid material with respect to its dynamic viscosity and viscosity-temperature relationship, if it behaves as a Newtonian fluid. Covers references, definitions, viscosity-temperature relationship, principles of measurement and calibration, apparatus, glass under test and test report.
| Committee |
LBI/1/2
|
| DevelopmentNote |
Supersedes 86/51625 DC. Also numbered as ISO 7884-1. (09/2005)
|
| DocumentType |
Standard
|
| Pages |
16
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
This part of ISO 7884 gives rules for characterizing glass as a liquid (or liquid-analogue deformable) material with respect to its dynamic viscosity η and viscosity-temperature relationship, if it behaves as a Newtonian fluid.
NOTE Non-Newtonian behaviour may be observed sometimes in opaque glasses, vitreous enamels or highly crystallizing glasses (glass ceramics).
| BS 7034-4:1988 | Viscosity and viscometric fixed points of glass Method for the determination of viscosity by beam bending |
| BS 7034-2:1988 | Viscosity and viscometric fixed points of glass Method for the determination of viscosity by rotation viscometers |
| BS 7034-3:1988 | Viscosity and viscometric fixed points of glass Method for the determination of viscosity by fibre elongation viscometer |
| BS 7034-6:1988 | Viscosity and viscometric fixed points of glass Method for the determination of softening point |
| BS 7034-7:1988 | Viscosity and viscometric fixed points of glass Method for the determination of annealing point and strain point by beam bending |
| BS 7034-5:1988 | Viscosity and viscometric fixed points of glass Method for the determination of working point by sinking bar viscometer |
| BS 4937-7:1974 | International thermocouple reference tables Platinum-30% rhodium/platinum-6% rhodium thermocouples. Type B |
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