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ASTM C1525-03

Historical Revision

Standard Test Method for Determination of Thermal Shock Resistance for Advanced Ceramics by Water Quenching

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1.1 This test method describes the determination of the resistance of advanced ceramics to thermal shock by water quenching. The method builds on the experimental principle of rapid quenching of a test specimen at an elevated temperature in a water bath at room temperature. The effect of the thermal shock is assessed by measuring the reduction in flexural strength produced by rapid quenching of test specimens heated across a range of temperatures. For a quantitative measurement of thermal shock resistance, a critical temperature interval is determined by a reduction in the mean flexural strength of at least 30 %. The test method does not determine thermal stresses developed as a result of a steady state temperature differences within a ceramic body or of thermal expansion mismatch between joined bodies. The test method is not intended to determine the resistance of a ceramic material to repeated shocks. Since the determination of the thermal shock resistance is performed by evaluating retained strength, the method is not suitable for ceramic components; however, test specimens cut from components may be used.

1.2 The test method is intended primarily for dense monolithic ceramics, but may also be applicable to certain composites such as whisker- or particulate-reinforced ceramic matrix composites that are macroscopically homogeneous.

1.3 Values expressed in this standard test method are in accordance with the International System of Units (SI) and Standard IEEE/ASTM SI 10.

1.4 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.


SDO ASTM: ASTM International
Document Number C1525
Publication Date May 10, 2003
Language en - English
Page Count 8
Revision Level 03
Supercedes
Committee C28.01
Publish Date Document Id Type View
July 1, 2018 C1525-18 Revision
May 1, 2004 C1525-04 Revision
May 10, 2003 C1525-03 Revision
April 10, 2002 C1525-02 Revision
Sept. 1, 2024 C1525-18R24 Reaffirmation
Aug. 1, 2013 C1525-04R13 Reaffirmation
July 1, 2009 C1525-04R09 Reaffirmation