NEN EN 843-5 : 2007
Current
The latest, up-to-date edition.
ADVANCED TECHNICAL CERAMICS - MECHANICAL PROPERTIES OF MONOLITHIC CERAMICS AT ROOM TEMPERATURE - PART 5: STATISTICAL ANALYSIS
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
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.