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Description of 21/30381303 DC 2021This standard applies to stress and/or force-controlled thermo-mechanical fatigue (TMF) testing. Both forms of control, force or stress, can be applied according to this standard, but for convenience this Standard is referred to as “Force-controlled thermo-mechanical fatigue testing method”. This Standard describes the equipment, specimen preparation, and presentation of the test results in order to determine TMF properties. This Standard covers the determination of TMF properties of materials under uniaxial loaded force-controlled conditions. A thermo-mechanical fatigue cycle is defined as specimen tests where both temperature and force amplitude waveform are simultaneously varied and independently controlled over the specimen gauge or test section. A series of such tests allows the relationship between the applied force and the number of cycles to failure to be established. The specific aim of this document is to provide recommendations and guidance for harmonized procedures for preparing and performing force-controlled TMF tests using various specimen geometries. The Standard serves only as a guideline for users and does not form any basis for legal liability neither of its authors nor of the TMF-Standard project partners. The purpose of this document is to ensure the compatibility and reproducibility of test results. It does not cover the evaluation or interpretation of results. Health safety issues, associated with the use of this Standard, are solely the responsibility of the user. The following sections of this Standard are intended to provide the steps to be implemented in sequence, during the process of carrying out force-controlled TMF tests.
About BSIBSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses. |
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