ISO 14704 – Flexural Strength of Monolithic Ceramics at Room Temperature

Açıklama

ISO 14704 Fine Ceramics (Advanced Ceramics, Advanced Technical Ceramics)

Test Method for Flexural Strength of Monolithic Ceramics at Room Temperature

ISO 14704  specifies a test method for determining the flexural strength of monolithic fine ceramics, and whisker- or particulate-reinforced ceramic composites,

at room temperature and applies to materials with grain size less than 200 µm.

NOTE :  Since fracture is due to tensile stress, flexural strength data can be used to calculate a uniaxial tensile strength considering the effect of the tested volume

and Weibull-statistics. So, flexural strength is often used in substitute for uniaxial tensile strength.

TESTING MACHINE

A suitable testing machine capable of applying a uniform cross-head speed that will result in a time to failure between 3 s to 30 s or approximately 0.5 mm/min shall

be used.

The testing machine shall be in accordance with ISO 7500-1, Class 1, with an accuracy of 1 % of the indicated load at fracture.

*** Before conducting ISO 14704, it is important to read the entire specification. Standards can be obtained from appropriate standard authorities.

***PARSROS  offers several types of grips and fixtures which will enable you to perform a variety of tests

  that are accurate and repeatable.

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