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Fatigue life of notches: an effect of manufacturing

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F23%3APU147151" target="_blank" >RIV/00216305:26210/23:PU147151 - isvavai.cz</a>

  • Result on the web

    <a href="https://www.sciencedirect.com/science/article/pii/S245232162200590X" target="_blank" >https://www.sciencedirect.com/science/article/pii/S245232162200590X</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.prostr.2022.12.033" target="_blank" >10.1016/j.prostr.2022.12.033</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Fatigue life of notches: an effect of manufacturing

  • Original language description

    In this study, the influence of notches in the area of gigacycle fatigue is investigated. The presented study offers experimental fatigue results of smooth and notched specimens. Specimens were made of AW 7075 - T6511 aluminum alloy and have “v” shape notch with radii of 0.1, 0.2, 0.4, 0.8, 1.5, and 3 mm. The fatigue experiments were performed using an ultrasonic fatigue testing machine at 20 kHz test frequency. Fatigue properties of the material were studied and evaluated up to 10 billion cycles in the area of very high cycle fatigue. All fatigue tests were carried out under uniaxial symmetric tension/compression loading (R = -1) at room temperature. As-machined surface and fracture surface of smooth specimens and specimens with 6 different notch radii were observed under an SEM microscope. Results show that there is a strong influence of the manufacturing process on fatigue lifetime.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    20501 - Materials engineering

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2023

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Procedia Structural Integrity

  • ISBN

  • ISSN

    2452-3216

  • e-ISSN

  • Number of pages

    6

  • Pages from-to

    270-275

  • Publisher name

    Elsevier

  • Place of publication

    neuveden

  • Event location

    Funchal, Madeira

  • Event date

    Jun 27, 2022

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article