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This report describes the work performed by the Mechanical Properties Group of the Institute for Advanced Materials (IAM) during the first two years of support to the Commission activity on standards for mechanical testing of advanced ceramics. It is divided into two major parts. The first covers the involvement of IAM in a number of pre-standardisation activities organised within different fora, such as CEN, ESIS, VAMAS and others. The second part describes the background and experimental activities performed within IAM's own prenormative research programme on uniaxial testing of advanced structural ceramics at high temperatures. Critical scientific and experimental issues in testing both monolithic ceramics and continuous fibre reinforced ceramic matrix composites are discussed. Available literature is reviewed, with particular attention being paid to specimen design, alignment, temperature distribution and measurement, load introduction on the specimen and deformation measurement. The options adopted in implementing IAM's uniaxial facilities for tension and tension-compression testing at high temperatures are discussed and their performance with respect to alignment and temperature distribution in space and time is documented and compared to literature data. Guidelines are given for methods to quantify the amount of bending to which a specimen is subjected. It is emphasised that to evaluate mechanical property data correctly it is necessary to associate the value of the bending level to that of the mechanical property being measured.

Additional information

Authors: STEEN M, JRC Petten (NL);BRESSERS J, JRC Petten (NL)
Bibliographic Reference: EUR 14376 EN (1992) 109 pp., MF, ECU 8
Availability: (2)
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