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ISO 1352:2021

Metallic materials — Torque-controlled fatigue testing

General information
Valid from 21.12.2021
Directives or regulations
None
Standard history
Status
Date
Type
Name
21.12.2021
Main
12.04.2011
Main
This document specifies the conditions for performing torsional, constant-amplitude, nominally elastic stress fatigue tests on metallic specimens without deliberately introducing stress concentrations. The tests are typically carried out at ambient temperature or an elevated temperature in air by applying a pure couple to the specimen about its longitudinal axis. While the form, preparation and testing of specimens of circular cross-section and tubular cross-section are described in this document, component and other specialized types of testing are not included. Similarly, low-cycle torsional fatigue tests carried out under constant-amplitude angular displacement control, which lead to failure in a few thousand cycles, are also excluded.
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