ISO 1143:2021

Name: ISO 1143:2021 — Metallic materials — Rotating bar bending fatigue testing
SKU: ISO 1143:2021
Price: 25 EUR
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Metallic materials — Rotating bar bending fatigue testing

Название (английский):

ISO 1143:2021

Metallic materials — Rotating bar bending fatigue testing

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 26
Дата публикации:: 30 июля 2021 г.
Издание:: ISO IS 1143 edition 3 version 1
ICS:: 77.040.10

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Описание (английский):

This document specifies the method for rotating bar bending fatigue testing of metallic materials. The tests are conducted at room temperature or elevated temperature in air, the specimen being rotated. Fatigue tests on notched specimens are not covered by this document, since the shape and size of notched specimens have not been standardized. However, fatigue test procedures described in this document can be applied to fatigue tests of notched specimens.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 1143:2021 - Metallic materials - Rotating bar bending fatigue testing specifies a standardized method for performing rotating bending (rotating bar) fatigue tests on metallic materials. Tests are performed with the specimen rotated and subjected to a constant bending moment in air at room or elevated temperature. The document defines specimen forms, test procedure, environmental and apparatus requirements, data presentation and measurement uncertainty. Note: notched specimen geometries are not standardized in ISO 1143, though the procedures can be applied to notched tests.

Keywords: ISO 1143:2021, rotating bar bending fatigue testing, metallic materials, rotating bending, fatigue testing, S‑N curve, fatigue life

Key topics and technical requirements

Principle of test: constant bending moment on a rotated specimen; a stress cycle equals one full rotation.

Specimen geometry: permitted forms include cylindrical (parallel), tapered and hourglass test sections; circular cross-sections are required. Loading configurations covered: cantilever (single- or two-point), beam (four-point).

Specimen preparation: requirements for selection, marking, machining, heat treatment, surface condition, dimensional checks, storage and handling.

Apparatus accuracy and verification: calibration and verification of bending moment and machine lever ratio; Annex A provides verification guidance.

Test procedure: specimen mounting, application of force, frequency selection, test end criteria and elevated-temperature testing (heating device and temperature measurement).

Data and reporting: required test report elements, tabular and graphical presentation (S‑N diagrams), and an example test report in Annex B.

Measurement uncertainty: new Clause 13 addresses uncertainty in test conditions and results.

Normative references: links to related standards covering calibration, axial fatigue methods, statistical analysis and vocabulary.

Practical applications and who uses it

ISO 1143:2021 is used by:

Materials testing laboratories and fatigue test labs for producing repeatable S‑N data.

Metallurgists and R&D teams assessing material fatigue properties and effects of heat treatment.

Design and mechanical engineers for component life prediction and fatigue design validation.

Quality and certification bodies requiring standardized fatigue test data for specifications and material acceptance.

Typical uses:

Generating S‑N curves for alloys and steels.

Comparing fatigue behavior across heat treatments or manufacturing processes.

Evaluating elevated‑temperature fatigue performance for high‑temperature components.

Supporting fatigue life assessments in automotive, aerospace, energy and heavy industry applications.

Related standards

ISO 1099 - Fatigue testing (axial force-controlled)

ISO 12106 - Fatigue testing (axial-strain-controlled)

ISO 12107 - Statistical planning and analysis of fatigue data

ISO 376 - Calibration of force-proving instruments

ISO 23718 - Mechanical testing vocabulary

Using ISO 1143:2021 ensures reproducible rotating bending fatigue data that support reliable fatigue life assessment and material selection.

ISO 1143:2021

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Practical applications and who uses it

Related standards

Технические детали

ISO 11432:2021

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ISO 10993-12:2012

Biological evaluation of medical devices — Part 12: Sample preparation and reference materials

BS ISO 12106:2017

Metallic materials. Fatigue testing. Axial-strain-controlled method.

ISO 12107:2012

Metallic materials — Fatigue testing — Statistical planning and analysis of data

ISO 3767-3:1988

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BS ISO 23718:2007

Metallic materials. Mechanical testing. Vocabulary.