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EN 843-5:2006

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Advanced technical ceramics - Mechanical properties of monolithic ceramics at room temperature - Part 5: Statistical analysis
Withdrawn date

30-06-2007

Published date

13-12-2006

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

This part of EN 843 specifies 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.NOTE 1In principle, Weibull analysis is considered to be strictly valid for the case of linear elastic fracture behaviour to the point of failure, i.e. for a perfectly brittle material, and under conditions in which strength limiting flaws do not interact and in which there is only a single strength-limiting flaw population.If subcritical crack growth or creep deformation preceding fracture occurs, Weibull analysis can still be applied if the results fit a Weibull distribution, but numerical parameters may change depending on the magnitude of these effects. Since it is impossible to be certain of the degree to which subcritical crack growth or creep deformation has occurred, this European Standard permits the analysis of the general situation where crack growth or creep may have occurred, provided that it is recognized that the parameters derived from the analysis may not be the same as those derived from data with no subcritical crack growth or creep.NOTE 2This European Standard employs the same calculation procedures as method A of ISO 20501:2003, but does not provide a method for dealing with censored data (method B of ISO 20501).

Committee
CEN/TC 184
DevelopmentNote
Supersedes UNE ENV 843-5 and ENV 843-5. (01/2007)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Withdrawn
Supersedes

Standards Relationship
ONORM EN 843-5 : AUG 2007 Identical
DS 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
UNI EN 843-5 : 2007 Identical
I.S. EN 843-5:2006 Identical
NEN EN 843-5 : 2007 Identical
SN EN 843-5 : 2007 Identical
PN EN 843-5 : 2007 Identical
UNE-EN 843-5:2006 Identical
DIN EN 843-5:2007-03 Identical

NF EN 843-8 : 2010 ADVANCED TECHNICAL CERAMICS - MECHANICAL PROPERTIES OF MONOLITHIC CERAMICS AT ROOM TEMPERATURE - PART 8: GUIDELINES FOR CONDUCTING PROOF TESTS
14/30276373 DC : 0 BS EN ISO 13356 - IMPLANTS FOR SURGERY - CERAMIC MATERIALS BASED ON YTTRIASTABILIZED TETRAGONAL ZIRCONIA (Y-TZP)
DD CEN/TS 15866:2009 Advanced technical ceramics. Ceramic composites. Determination of the thermal diffusivity of ceramic fibres
DIN EN 843-8:2010-11 Advanced technical ceramics - Mechanical properties of monolithic ceramics at room temperature - Part 8: Guidelines for conducting proof tests
DIN EN 1006:2009-10 Advanced technical ceramics - Monolithic ceramics - Guidance on the selection of test pieces for the evaluation of properties
13/30277008 DC : 0 BS ISO 17162 - FINE CERAMICS (ADVANCED CERAMICS, ADVANCED TECHNICAL CERAMICS) - MECHANICAL PROPERTIES OF MONOLITHIC CERAMICS AT ROOM TEMPERATURE - DETERMINATION OF COMPRESSIVE STRENGTH
08/30185918 DC : 0 BS EN 1006 - ADVANCED TECHNICAL CERAMICS - MONOLITHIC CERAMICS - GUIDANCE ON THE SELECTION OF TEST PIECES FOR THE EVALUATION OF PROPERTIES
I.S. EN ISO 13356:2015 IMPLANTS FOR SURGERY - CERAMIC MATERIALS BASED ON YTTRIA-STABILIZED TETRAGONAL ZIRCONIA (Y-TZP) (ISO 13356:2015)
CEN/TR 13233 : 2007 COR 2007 ADVANCED TECHNICAL CERAMICS - NOTATIONS AND SYMBOLS
DIN EN 1007-5:2010-06 Advanced technical ceramics - Ceramic composites - Methods of test for reinforcements - Part 5: Determination of distribution of tensile strength and of tensile strain to failure of filaments within a multifilament tow at ambient temperature
EN 1007-5:2010 Advanced technical ceramics - Ceramic composites - Methods of test for reinforcements - Part 5: Determination of distribution of tensile strength and of tensile strain to failure of filaments within a multifilament tow at ambient temperature
EN 1007-7:2010 Advanced technical ceramics - Ceramic composites - Methods of test for reinforcements - Part 7: Determination of the distribution of tensile strength and of tensile strain to failure of filaments within a multifilament tow at high temperature
EN 1007-6:2007 Advanced technical ceramic - Ceramic composites - Methods of test for reinforcements - Part 6: Determination of tensile properties of filaments at high temperature
CEN/TS 15866:2009 Advanced technical ceramics - Ceramic composites - Determination of the thermal diffusivity of ceramic fibres
EN 1006:2009 Advanced technical ceramics - Monolithic ceramics - Guidance on the selection of test pieces for the evaluation of properties
BS EN 1007-7:2010 Advanced technical ceramics. Ceramic composites. Methods of test for reinforcements Determination of the distribution of tensile strength and of tensile strain to failure of filaments within a multifilament tow at high temperature
BS ISO 17162:2014 Fine ceramics (advanced ceramics, advanced technical ceramics). Mechanical properties of monolithic ceramics at room temperature. Determination of compressive strength
ISO 17138:2014 Fine ceramics (advanced ceramics, advanced technical ceramics) — Mechanical properties of ceramic composites at room temperature — Determination of flexural strength
BS ISO 17138:2014 Fine ceramics (advanced ceramics, advanced technical ceramics). Mechanical properties of ceramic composites at room temperature. Determination of flexural strength
I.S. EN 1007-6:2007 ADVANCED TECHNICAL CERAMIC - CERAMIC COMPOSITES - METHODS OF TEST FOR REINFORCEMENTS - PART 6: DETERMINATION OF TENSILE PROPERTIES OF FILAMENTS AT HIGH TEMPERATURE
09/30208476 DC : 0 BS EN 843-8 - ADVANCED TECHNICAL CERAMICS - MECHANICAL PROPERTIES OF MONOLITHIC CERAMICS AT ROOM TEMPERATURE - PART 8: GUIDELINES FOR CONDUCTING PROOF TESTS
BS EN 843-8:2010 Advanced technical ceramics. Mechanical properties of monolithic ceramics at room temperature Guidelines for conducting proof tests
BS ISO 6474-1:2010 Implants for surgery. Ceramic materials Ceramic materials based on high purity alumina
I.S. EN 1006:2009 ADVANCED TECHNICAL CERAMICS - MONOLITHIC CERAMICS - GUIDANCE ON THE SELECTION OF TEST PIECES FOR THE EVALUATION OF PROPERTIES
I.S. EN 843-8:2010 ADVANCED TECHNICAL CERAMICS - MECHANICAL PROPERTIES OF MONOLITHIC CERAMICS AT ROOM TEMPERATURE - PART 8: GUIDELINES FOR CONDUCTING PROOF TESTS
I.S. EN 1007-7:2010 ADVANCED TECHNICAL CERAMICS - CERAMIC COMPOSITES - METHODS OF TEST FOR REINFORCEMENTS - PART 7: DETERMINATION OF THE DISTRIBUTION OF TENSILE STRENGTH AND OF TENSILE STRAIN TO FAILURE OF FILAMENTS WITHIN A MULTIFILAMENT TOW AT HIGH TEMPERATURE
DIN EN 1007-6:2008-02 Advanced technical ceramic - Ceramic composites - Methods of test for reinforcements - Part 6: Determination of tensile properties of filaments at high temperature
BS EN 1007-6:2007 Advanced technical ceramic. Ceramic composites. Methods of test for reinforcements Determination of tensile properties of filaments at high temperature
I.S. EN 843-1:2006 ADVANCED TECHNICAL CERAMICS - MECHANICAL PROPERTIES OF MONOLITHIC CERAMICS AT ROOM TEMPERATURE - PART 1: DETERMINATION OF FLEXURAL STRENGTH
I.S. EN 1007-5:2010 ADVANCED TECHNICAL CERAMICS - CERAMIC COMPOSITES - METHODS OF TEST FOR REINFORCEMENTS - PART 5: DETERMINATION OF DISTRIBUTION OF TENSILE STRENGTH AND OF TENSILE STRAIN TO FAILURE OF FILAMENTS WITHIN A MULTIFILAMENT TOW AT AMBIENT TEMPERATURE
UNI EN 843-8 : 2010 ADVANCED TECHNICAL CERAMICS - MECHANICAL PROPERTIES OF MONOLITHIC CERAMICS AT ROOM TEMPERATURE - PART 8: GUIDELINES FOR CONDUCTING PROOF TESTS
ISO 19630:2017 Fine ceramics (advanced ceramics, advanced technical ceramics) — Methods of test for reinforcements — Determination of tensile properties of filaments at ambient temperature
UNI EN 14232 : 2009 ADVANCED TECHNICAL CERAMICS - TERMS, DEFINITIONS AND ABBREVIATIONS
16/30332223 DC : 0 BS ISO 6474-1 - IMPLANTS FOR SURGERY - CERAMIC MATERIALS - PART 1: CERAMIC MATERIALS BASED ON HIGH PURITY ALUMINA
17/30361518 DC : 0 BS ISO 6474-2 - IMPLANTS FOR SURGERY - CERAMIC MATERIALS - PART 2: COMPOSITE MATERIALS BASED ON A HIGH-PURITY ALUMINA MATRIX WITH ZIRCONIA REINFORCEMENT
BS EN ISO 13356:2015 Implants for surgery. Ceramic materials based on yttria-stabilized tetragonal zirconia (Y-TZP)
08/30183873 DC : DRAFT AUG 2008 BS EN 1007-5 - ADVANCED TECHNICAL CERAMICS - CERAMIC COMPOSITES - METHODS OF TEST FOR REINFORCEMENTS - PART 5: DETERMINATION OF DISTRIBUTION OF TENSILE STRENGTH AND OF TENSILE STRAIN TO FAILURE OF FILAMENTS WITHIN A MULTIFILAMENT TOW AT AMBIENT TEMPERATURE
DIN EN 1007-7:2010-12 Advanced technical ceramics - Ceramic composites - Methods of test for reinforcements - Part 7: Determination of the distribution of tensile strength and of tensile strain to failure of filaments within a multifilament tow at high temperature
DIN EN ISO 13356 E : 2016 IMPLANTS FOR SURGERY - CERAMIC MATERIALS BASED ON YTTRIASTABILIZED TETRAGONAL ZIRCONIA (YTZP) (ISO 13356:2015)
BS EN 1006:2009 Advanced technical ceramics. Monolithic ceramics. Guidance on the selection of test pieces for the evaluation of properties
BS EN 843-7:2010 Advanced technical ceramics. Mechanical properties of monolithic ceramics at room temperature C-ring tests
BS ISO 19630:2017 Fine ceramics (advanced ceramics, advanced technical ceramics). Methods of test for reinforcements. Determination of tensile properties of filaments at ambient temperature
09/30185903 DC : 0 BS EN 14232 - ADVANCED TECHNICAL CERAMICS - TERMS, DEFINITIONS AND ABBREVIATIONS
17/30363644 DC : 0 BS ISO 20501 - FINE CERAMICS (ADVANCED CERAMICS, ADVANCED TECHNICAL CERAMICS) - WEIBULL STATISTICS FOR STRENGTH DATA
PREN 14232 : DRAFT 2009 ADVANCED TECHNICAL CERAMICS - TERMS, DEFINITIONS AND ABBREVIATIONS
PD CEN/TR 13233:2007 Advanced technical ceramics. Notations and symbols
ISO 6474-2:2012 Implants for surgery Ceramic materials Part 2: Composite materials based on a high-purity alumina matrix with zirconia reinforcement
UNI EN 1007-5 : 2010 ADVANCED TECHNICAL CERAMICS - CERAMIC COMPOSITES - METHODS OF TEST FOR REINFORCEMENTS - PART 5: DETERMINATION OF DISTRIBUTION OF TENSILE STRENGTH AND OF TENSILE STRAIN TO FAILURE OF FILAMENTS WITHIN A MULTIFILAMENT TOW AT AMBIENT TEMPERATURE
EN 843-7:2010 Advanced technical ceramics - Mechanical properties of monolithic ceramics at room temperature - Part 7: C-ring tests
DIN EN ISO 13356:2016-02 IMPLANTS FOR SURGERY - CERAMIC MATERIALS BASED ON YTTRIA-STABILIZED TETRAGONAL ZIRCONIA (Y-TZP) (ISO 13356:2015)
10/30196848 DC : 0 BS ISO 6474-2 - IMPLANTS FOR SURGERY - CERAMIC MATERIALS - PART 2: COMPOSITE MATERIALS BASED ON A HIGH PURITY ALUMINA MATRIX WITH ZIRCONIA REINFORCEMENT
UNI EN 1006 : 2009 ADVANCED TECHNICAL CERAMICS - MONOLITHIC CERAMICS - GUIDANCE ON THE SELECTION OF TEST PIECES FOR THE EVALUATION OF PROPERTIES
ISO 6474-1:2010 Implants for surgery Ceramic materials Part 1: Ceramic materials based on high purity alumina
UNI EN 1007-7 : 2010 ADVANCED TECHNICAL CERAMICS - CERAMIC COMPOSITES - METHODS OF TEST FOR REINFORCEMENTS - PART 7: DETERMINATION OF THE DISTRIBUTION OF TENSILE STRENGTH AND OF TENSILE STRAIN TO FAILURE OF FILAMENTS WITHIN A MULTIFILAMENT TOW AT HIGH TEMPERATURE
DIN EN 843-7:2010-11 Advanced technical ceramics - Mechanical properties of monolithic ceramics at room temperature - Part 7: C-ring tests
UNI EN 1007-6 : 2008 ADVANCED TECHNICAL CERAMICS - CERAMIC COMPOSITES - METHODS OF TEST FOR REINFORCEMENTS - PART 6: DETERMINATION OF TENSILE PROPERTIES OF FILAMENTS AT HIGH TEMPERATURE
S.R. CEN/TS 15866:2009 ADVANCED TECHNICAL CERAMICS - CERAMIC COMPOSITES - DETERMINATION OF THE THERMAL DIFFUSIVITY OF CERAMIC FIBRES
UNI EN 843-7 : 2010 ADVANCED TECHNICAL CERAMICS - MECHANICAL PROPERTIES OF MONOLITHIC CERAMICS AT ROOM TEMPERATURE - PART 7: C-RING TESTS
I.S. EN 843-7:2010 ADVANCED TECHNICAL CERAMICS - MECHANICAL PROPERTIES OF MONOLITHIC CERAMICS AT ROOM TEMPERATURE - PART 7: C-RING TESTS
ISO 13356:2015 Implants for surgery — Ceramic materials based on yttria-stabilized tetragonal zirconia (Y-TZP)
BS EN 843-1:2006 Advanced technical ceramics. Mechanical properties of monolithic ceramics at room temperature Determination of flexural strength
BS EN 1007-5:2010 Advanced technical ceramics. Ceramic composites. Methods of test for reinforcements Determination of distribution of tensile strength and of tensile strain to failure of filaments within a multifilament tow at ambient temperature
EN 843-1:2006 Advanced technical ceramics - Mechanical properties of monolithic ceramics at room temperature - Part 1: Determination of flexural strength
EN 14232:2009 Advanced technical ceramics - Terms, definitions and abbreviations
EN ISO 13356:2015 Implants for surgery - Ceramic materials based on yttria-stabilized tetragonal zirconia (Y-TZP) (ISO 13356:2015)
EN 843-8:2010 Advanced technical ceramics - Mechanical properties of monolithic ceramics at room temperature - Part 8: Guidelines for conducting proof tests
09/30210248 DC : 0 BS EN 1007-7 - ADVANCED TECHNICAL CERAMICS - CERAMIC COMPOSITES - METHODS OF TEST FOR REINFORCEMENTS - PART 7: DETERMINATION OF THE DISTRIBUTION OF TENSILE STRENGTH AND OF TENSILE STRAIN TO FAILURE OF FILAMENTS WITHIN A MULTIFILAMENT TOW AT HIGH TEMPERATURE
BS ISO 6474-2:2012 Implants for surgery. Ceramic materials Composite materials based on a high-purity alumina matrix with zirconia reinforcement
NF EN 843-7 : 2010 ADVANCED TECHNICAL CERAMICS - MECHANICAL PROPERTIES OF MONOLITHIC CERAMICS AT ROOM TEMPERATURE - PART 7: C-RING TESTS
BS EN 14232:2009 Advanced technical ceramics. Terms, definitions and abbreviations
16/30301543 DC : 0 BS ISO 19630 - FINE CERAMICS (ADVANCED CERAMICS, ADVANCED TECHNICAL CERAMICS) - METHODS OF TEST FOR REINFORCEMENTS - DETERMINATION OF TENSILE PROPERTIES OF FILAMENTS AT AMBIENT TEMPERATURE
DD CEN/TR 13233 : 2007 ADVANCED TECHNICAL CERAMICS - NOTATIONS AND SYMBOLS
I.S. EN 14232:2009 ADVANCED TECHNICAL CERAMICS - TERMS, DEFINITIONS AND ABBREVIATIONS
UNI CEN/TS 15866 : 2009 ADVANCED TECHNICAL CERAMICS - CERAMIC COMPOSITES - DETERMINATION OF THE THERMAL DIFFUSIVITY OF CERAMIC FIBRES
ISO 17162:2014 Fine ceramics (advanced ceramics, advanced technical ceramics) Mechanical properties of monolithic ceramics at room temperature Determination of compressive strength
S.R. CEN TR 13233:2007 ADVANCED TECHNICAL CERAMICS - NOTATIONS AND SYMBOLS
DIN EN 843-1:2008-08 Advanced technical ceramics - Mechanical properties of monolithic ceramics at room temperature - Part 1: Determination of flexural strength

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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