NBN EN 12788 : 2005

Foreword
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Principle
5 Apparatus
   5.1 Test machine
   5.2 Test jig
   5.3 Gastight test chamber
   5.4 Set-up for heating
   5.5 Temperature measurement devices
   5.6 Data recording system
   5.7 Micrometers
6 Test specimens
7 Test specimen preparation
   7.1 Machining and preparation
   7.2 Number of test specimens
8 Test procedures
   8.1 Test set-up: Temperature considerations
   8.2 Test set-up: Other considerations
   8.3 Testing technique
   8.4 Test validity
9 Calculation of results
   9.1 Test specimen origin
   9.2 Flexural strength
10 Test report

Describes the conditions for determination of the flexural strength of ceramic matrix composite materials with continuous fibre reinforcement under three-point or four-point bending for temperatures up to 2 000 degree C under vacuum or a gas atmosphere which is inert to the material under test.