ONORM EN 843-5 : AUG 2007
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
ADVANCED TECHNICAL CERAMICS - MECHANICAL PROPERTIES OF MONOLITHIC CERAMICS AT ROOM TEMPERATURE - PART 5: STATISTICAL ANALYSIS
04-05-2023
12-01-2013
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 ONORM ENV 843-5. (06/2007)
|
| DocumentType |
Standard
|
| PublisherName |
Osterreichisches Normungsinstitut/Austrian Standards
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| UNI EN 843-5 : 2007 | Identical |
| NF EN 843-5 : 2007 | Identical |
| I.S. EN 843-5:2006 | Identical |
| NBN EN 843-5 : 2007 | Identical |
| NS EN 843-5 : 1ED 2006 | Identical |
| NEN EN 843-5 : 2007 | Identical |
| SN EN 843-5 : 2007 | Identical |
| BS EN 843-5:2006 | Identical |
| EN 843-5:2006 | Identical |
| DIN EN 843-5:2007-03 | Identical |
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