ASTM-C1684 › Standard Test Method for Flexural Strength of Advanced Ceramics at Ambient Temperature—Cylindrical Rod Strength
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Scope
1.1 This test method is for the determination of flexural strength of rod shape specimens of advanced ceramic materials at ambient temperature. In many instances it is preferable to test round specimens rather than rectangular bend specimens, especially if the material is fabricated in rod form. This method permits testing of machined, drawn, or as-fired rod shaped specimens. It allows some latitude in the rod sizes and cross section shape uniformity. Rod diameters between 1.5 and 8 mm and lengths from 25 to 85 mm are recommended, but other sizes are permitted. Four-point-1/4 point as shown in Fig.1 is the preferred testing configuration. Three-point loading is permitted. This method describes the apparatus, specimen requirements, test procedure, calculations, and reporting requirements. The method is applicable to monolithic or particulate- or whisker-reinforced ceramics. It may also be used for glasses. It is not applicable to continuous fiber-reinforced ceramic composites.
1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Keywords
advanced ceramics; cylinder; flexural strength; four-point flexure; glass; rods; three-point flexure; ICS Number Code 81.060.30 (Advanced ceramics)
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15.01 (Refractories, Activated Carbon; Advanced Ceramics)
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Document Number
ASTM-C1684-18R23
Revision Level
2018 R23 EDITION
Status
Current
Modification Type
New
Publication Date
Feb. 15, 2023
Document Type
Test Method
Page Count
21 pages
Committee Number
C28.01