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Evaluation and Identifying the Ductile Fracture Area of X70 Steel from DWTT Broken Specimens.

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27600%2F16%3A86100165" target="_blank" >RIV/61989100:27600/16:86100165 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1016/j.prostr.2016.06.463" target="_blank" >http://dx.doi.org/10.1016/j.prostr.2016.06.463</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.prostr.2016.06.463" target="_blank" >10.1016/j.prostr.2016.06.463</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Evaluation and Identifying the Ductile Fracture Area of X70 Steel from DWTT Broken Specimens.

  • Original language description

    Fracture surfaces of X70 steel DWTT broken samples are analyzed using statistical methods and fractal concepts. Besides of fractal geometry concept the new approach based on the normal vectors analysis is presented. The fracture surface is covered by a triangle net. For every triangle the normal vector is determined. Fractal dimension is significantly correlated to the angular deviation of neighboring normal vectors. The mean value of deviation angles and fractal dimension is lower for ductile than for brittle fracture areas. The k-means cluster analysis and multivariate probability distribution are applied to determine the local characteristics of the fracture surface. The fracture surface map of ductile fracture probability and k-means clusters highly corresponds to the real placement of ductile and brittle fracture area on fracture surface of the broken sample. Newly presented statistical methods applied on the fracture surface of DWTT broken samples are useful tools for objective evaluation of ductile fracture percentage.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    10102 - Applied mathematics

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2016

  • 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. Volume 2

  • ISBN

    978-1-5108-2701-1

  • ISSN

    2452-3216

  • e-ISSN

    neuvedeno

  • Number of pages

    8

  • Pages from-to

    3727-3734

  • Publisher name

    Elsevier

  • Place of publication

    Amsterdam

  • Event location

    Catania

  • Event date

    Jun 20, 2016

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article

    000387976803098