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I.S. EN 12923-1:2006

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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 - MONOLITHIC CERAMICS - PART 1: GENERAL PRACTICE FOR UNDERTAKING CORROSION TESTS
Available format(s)

Hardcopy , PDF

Withdrawn date

30-09-2023

Language(s)

English

Published date

01-01-2006

Preview

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.

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Significance and use
5 Assessment of corrosive attack
   5.1 Introduction
   5.2 Method A: Depth of penetration
   5.3 Method B: Mass change
   5.4 Method C: Change of test piece size
   5.5 Method D: Strength change
   5.6 Method E: Change in surface roughness
   5.7 Method F: Change in hardness
6 Apparatus for laboratory corrosion testing
   6.1 Container for corroding medium
   6.2 Heating device
   6.3 Thermocouple
   6.4 Chemical balance
   6.5 Oven
   6.6 Dye penetrant equipment
   6.7 Travelling microscope or optical microscope
   6.8 Micrometer
   6.9 Vernier callipers
   6.10 Surface roughness measuring equipment
   6.11 Flexural strength test facility
   6.12 Hardness measurement equipment
7 Test pieces
   7.1 General requirements
   7.2 Specific requirements
   7.3 Number of test pieces
8 Test procedure
   8.1 Safety considerations
   8.2 Corrosion test
   8.3 Procedure
9 Expression of results
   9.1 Calculation of mass change (Method B)
   9.2 Change of component or test piece size (Method C)
   9.3 Calculation of flexural strength (Method D)
10 Test report
Annex A (informative) Appropriate container and specimen holder
        materials for corrosion testing
      A.1 Mineral acids, excluding hydrofluoric acid
      A.2 Hydrofluoric acid (HF)
      A.3 Aqueous-based alkaline solutions
      A.4 Molten metal alloys
      A.5 Molten slags
      A.6 Corrosive gases
Bibliography

Describes guidelines to be employed when undertaking corrosion tests on advanced technical ceramics.

DevelopmentNote
Supersedes I.S. ENV 12923-1. (02/2007)
DocumentType
Standard
Pages
21
PublisherName
National Standards Authority of Ireland
Status
Withdrawn
Supersedes

ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories
EN 843-1:2006 Advanced technical ceramics - Mechanical properties of monolithic ceramics at room temperature - Part 1: Determination of flexural strength
EN 60584-2:1993 Thermocouples - Part 2: Tolerances
EN 623-4:2004 Advanced technical ceramics - Monolithic ceramics - General and textural properties - Part 4: Determination of surface roughness
ENV 1006 : DRAFT 2003 ADVANCED TECHNICAL CERAMICS - MONOLITHIC CERAMICS - GUIDANCE ON THE SELECTION OF TEST PIECES FOR THE EVALUATION OF PROPERTIES
EN 623-1:2006 Advanced technical ceramics - Monolithic ceramics - General and textural properties - Part 1: Determination of the presence of defects by dye penetration
ISO 6906:1984 Vernier callipers reading to 0,02 mm
EN 843-4 : 2005 ADVANCED TECHNICAL CERAMICS - MECHANICAL PROPERTIES OF MONOLITHIC CERAMICS AT ROOM TEMPERATURE - PART 4: VICKERS, KNOOP AND ROCKWELL SUPERFICIAL HARDNESS
EN 60584-1:2013 Thermocouples - Part 1: EMF specifications and tolerances
ISO 3611:2010 Geometrical product specifications (GPS) — Dimensional measuring equipment: Micrometers for external measurements — Design and metrological characteristics
ENV 12923-2 : DRAFT 2001 ADVANCED TECHNICAL CERAMICS - MONOLITHIC CERAMICS - PART 2: OXIDATION TEST

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