I.S. EN 821-1:1995
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
View Superseded by
ADVANCED TECHNICAL CERAMICS - MONOLITHIC CERAMICS - THERMO-PHYSICAL PROPERTIES - PART 1: DETERMINATION OF THERMAL EXPANSION
Hardcopy , PDF
30-09-2021
English
01-01-1995
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
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Foreword
1. Scope
2. Normative references
3. Definitions
4. Principle
5. Apparatus
6. Test pieces
7. Procedure
8. Calculation of results
9. Reporting of results
10. Test report
ANNEXES
A (normative) Calibration of apparatus (direct-
measuring instruments)
B (normative) Calibration of apparatus (differential
type)
C (informative) Thermal expansion reference data
D (informative) Bibliography
TABLES
1. Requirements for accuracy levels A and B
2. Thermal expansion reference data
FIGURES
1. Schematic diagrams of apparatus arrangements
2. Suitable constructions of test piece holders in
silica and alumina
3. Silica ball test piece support and carrier
4. Example of arrangement of differential thermocouples
to monitor temperature distribution in the test
piece, where T1, T2, are differential temperatures
5. Test pieces with a) rounded ends for use with flat
plate and push rod surfaces and b) flat square ends
for use with rounded end plate and push rod surfaces
in a conventional horizontal dilatometer
Describes the methods for the determination of the linear thermal expansion characteristics of advanced monolithic technical ceramics up to a maximum temperature of 1500 degree C.
| DocumentType |
Standard
|
| Pages |
30
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Withdrawn
|
| SupersededBy |
| Standards | Relationship |
| SN EN 821-1 : 1995 | Identical |
| UNI EN 821-1 : 1995 | Identical |
| BS EN 821-1:1995 | Identical |
| NBN EN 821-1 : 1995 | Identical |
| NEN EN 821-1 : 1995 | Identical |
| NS EN 821-1 : 1ED 1995 | Identical |
| EN 821-1:1995 | Identical |
| NF EN 821-1 : 1995 | Identical |
| ONORM EN 821-1 : 1995 | Identical |
| DIN EN 821-1:1995-04 | Identical |
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