BS EN 843-1:1995 Advanced technical ceramics. Monolithic ceramics. Mechanical properties at room temperature - Part 1. Determination of flexural strength
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This Part of EN 843 describes methods for determining the nominal flexural strength of advanced monolithic technical ceramic materials at ambient temperature. The available loading geometries are three- and four-point flexure, using rectangular section test pieces of two prescribed geometries: 20 mm support span (A) and 40 mm support span (B).
The test prescribes four categories of surface finish applied to the test pieces:
I: as-fired or annealed after machining;
II: machined using agreed grinding procedures and
material removal rates;
III: standard finishing procedures:
III. 1: finishing by grinding;
III.2: finishing by lapping/polishing.
Test specimens; Mathematical calculations; Testing conditions; Special ceramics; Specimen preparation; Ceramics; Monolithic materials; Roughness (surface); Bend testing; Dimensions; Test equipment
BS EN 843-1:1995 Advanced technical ceramics. Monolithic ceramics. Mechanical properties at room temperature - Part 1. Determination of flexural strength