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Resistance of direct metal laser sintered Ti6Al4V alloy against growth of fatigue cracks

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081723%3A_____%2F17%3A00481446" target="_blank" >RIV/68081723:_____/17:00481446 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1016/j.engfracmech.2017.03.033" target="_blank" >http://dx.doi.org/10.1016/j.engfracmech.2017.03.033</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.engfracmech.2017.03.033" target="_blank" >10.1016/j.engfracmech.2017.03.033</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Resistance of direct metal laser sintered Ti6Al4V alloy against growth of fatigue cracks

  • Original language description

    Growth of long fatigue cracks in Ti6Al4V alloy prepared by selective laser melting technology was experimentally investigated. CT specimens were manufactured by direct metal laser sintering (DMLS) on EOSINT M270 system. CT specimens having three different crack orientations with respect to the DMLS build direction were manufactured with the aim to check the influence of directionality of microstructure of the DMLS material on the growth of long fatigue cracks.It was experimentally found that there is no influence of the build orientation and related directionality of the microstructure on tensile properties, growth of long fatigue cracks and crack propagation threshold, when optimal DMLS process parameters setting is used and subsequent stress relieving heat treatment at 380. °C for 8. h is applied on the build material.The experimentally determined fatigue crack growth curve for Ti6Al4V manufactured by DMLS technique was compared with available literature data and with data for conventionally forged material.The fatigue crack propagation path and fracture surfaces were investigated with the aim to analyze the influence of the specific microstructure produced by the DMLS on the mechanism of the propagation of long cracks.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    20306 - Audio engineering, reliability analysis

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2017

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Engineering Fracture Mechanics

  • ISSN

    0013-7944

  • e-ISSN

  • Volume of the periodical

    185

  • Issue of the periodical within the volume

    NOV

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    10

  • Pages from-to

    82-91

  • UT code for WoS article

    000415941400008

  • EID of the result in the Scopus database

    2-s2.0-85016487372