I.S. EN 843-5:2006
Current
The latest, up-to-date edition.
ADVANCED TECHNICAL CERAMICS - MECHANICAL PROPERTIES OF MONOLITHIC CERAMICS AT ROOM TEMPERATURE - PART 5: STATISTICAL ANALYSIS
Hardcopy , PDF
English
01-01-2006
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Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
3.1 Flaws
3.2 Flaw distributions
3.3 Mechanical evaluation
3.4 Statistical terms
3.5 The Weibull distribution
4 Symbols
5 Significance and use
6 Principle of calculation
6.1 Maximum likelihood method
6.2 Bias correction
6.3 Confidence interval
7 Procedure
7.1 Graphical representation of data
7.2 Determination of Weibull parameters
by maximum likelihood method
7.3 Determination of limits of the confidence
interval
8 Test report
Annex A (informative) Relationship between
characteristic strengths of test pieces
or components of different size or
shape, or with different stress fields
applied
Annex B (informative) FORTRAN program for
calculating Weibull parameters
Annex C (informative) PASCAL program for
calculating Weibull parameters
Annex D (informative) BASIC program for
calculating Weibull parameters
Annex E (normative) Unbiasing factors for
estimation of Weibull modulus, m
Annex F (normative) Confidence factors for
characteristic strength, sigma[0]
Annex G (normative) Confidence factors for
Weibull modulus, m
Annex H (informative) Worked examples
Annex I (informative) Example test report
Bibliography
Describes a method for statistical analysis of ceramic strength data in terms of a two-parameter Weibull distribution using a maximum likelihood estimation technique. It assumes that the data set has been obtained from a series of tests under nominally identical conditions.
| DevelopmentNote |
Supersedes I.S. ENV 843-5. (02/2007)
|
| DocumentType |
Standard
|
| Pages |
47
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| ONORM EN 843-5 : AUG 2007 | Identical |
| NEN EN 843-5 : 2007 | Identical |
| NF EN 843-5 : 2007 | Identical |
| NBN EN 843-5 : 2007 | Identical |
| NS EN 843-5 : 1ED 2006 | Identical |
| BS EN 843-5:2006 | Identical |
| EN 843-5:2006 | Identical |
| DIN EN 843-5:2007-03 | Identical |
| ISO/IEC 17025:2005 | General requirements for the competence of testing and calibration laboratories |
| ISO 20501:2003 | Fine ceramics (advanced ceramics, advanced technical ceramics) — Weibull statistics for strength data |
| EN 843-1:2006 | Advanced technical ceramics - Mechanical properties of monolithic ceramics at room temperature - Part 1: Determination of flexural strength |
| ENV 1006 : DRAFT 2003 | ADVANCED TECHNICAL CERAMICS - MONOLITHIC CERAMICS - GUIDANCE ON THE SELECTION OF TEST PIECES FOR THE EVALUATION OF PROPERTIES |
| ISO 2602:1980 | Statistical interpretation of test results — Estimation of the mean — Confidence interval |
| ISO 3534-1:2006 | Statistics — Vocabulary and symbols — Part 1: General statistical terms and terms used in probability |
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