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RESIDUAL STRESSES GRADIENT IN SUBSURFACE LASER HARDENED STEEL LAYERS DETERMINED BY X-RAY DIFFRACTION COMPLEMENTED WITH HOLE DRILLING METHOD

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21340%2F13%3A00214299" target="_blank" >RIV/68407700:21340/13:00214299 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    RESIDUAL STRESSES GRADIENT IN SUBSURFACE LASER HARDENED STEEL LAYERS DETERMINED BY X-RAY DIFFRACTION COMPLEMENTED WITH HOLE DRILLING METHOD

  • Original language description

    Laser hardening is a surface treatment method which is successfully used especially when localized hardening of surface is desired. The correct choice of laser hardening parameters must be verified because the fundamentals of the process rest in structural changes of the material, namely the phase composition and real structure such as appropriate state of residual stress. X-ray diffraction represents the experimental method that has the capability to give these parameters non-destructively in the thinsurface layer. In our study, the focus was to ascertain the effect of laser beam width on the depth distribution of residual stresses. The diffraction approach was thus combined with hole-drilling method. The obtained results from both the methods show that the depth distributions of residual stresses have advantageous hook-like shape with tensile stresses on the surface, gradually decreasing to compressive stresses in the depth of approximately 0.3 mm beneath the surface. This is benefi

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    JG - Metallurgy, metal materials

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/FR-TI3%2F814" target="_blank" >FR-TI3/814: Laser surface processing optimization of engineering components for their quality properties enhancement</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2013

  • Confidentiality

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

Data specific for result type

  • Article name in the collection

    INTERNATIONAL SCIENTIFIC KONFERENCE PROCEEDINGS, GABROVO, BULGARIA, 22-23 November 2013

  • ISBN

  • ISSN

    1313-230X

  • e-ISSN

  • Number of pages

    5

  • Pages from-to

    182-186

  • Publisher name

    UNIVERSITY PUBLISHING HOUSE ?V. APRILOV?

  • Place of publication

    Gabrovo

  • Event location

    Gabrovo

  • Event date

    Nov 22, 2013

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article