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Elevated Temperature Baseplate Effect on Microstructure, Mechanical Properties, and Thermal Stress Evaluation by Numerical Simulation for Austenite Stainless Steel 316L Fabricated by Directed Energy Deposition

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F26316919%3A_____%2F22%3AN0000017" target="_blank" >RIV/26316919:_____/22:N0000017 - isvavai.cz</a>

  • Result on the web

    <a href="https://www.mdpi.com/1996-1944/15/12/4165/htm" target="_blank" >https://www.mdpi.com/1996-1944/15/12/4165/htm</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.3390/ma15124165" target="_blank" >10.3390/ma15124165</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Elevated Temperature Baseplate Effect on Microstructure, Mechanical Properties, and Thermal Stress Evaluation by Numerical Simulation for Austenite Stainless Steel 316L Fabricated by Directed Energy Deposition

  • Original language description

    In the present study, the effect of material deposition at the elevated temperature baseplate on the microstructure and mechanical properties was investigated and correlated to the unique thermal history by using numerical simulation. Numerical results agreed well with the experimental results of microstructure and mechanical properties. Numerical results revealed a significant decrease in temperature gradient and a 40% decrease in thermal stress due to material deposition on the elevated temperature baseplate. The reduced thermal stress and temperature gradient resulted in coarser grain features, which in turn led to a decrease in hardness and tensile strength, especially for the bottom region near the baseplate. Meanwhile, no significant effect could be found for ductility. In addition, an elevated temperature baseplate promoted less heterogeneity in hardness and tensile properties along the building direction. The current work demonstrates a collective and direct understanding of the baseplate preheating effect on thermal stress, microstructure and mechanical properties and their correlations, which is believed beneficial for the better utilization of baseplate preheating positive effects.

  • 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

    20501 - Materials engineering

Result continuities

  • Project

    <a href="/en/project/EF17_048%2F0007350" target="_blank" >EF17_048/0007350: Pre-Application Research of Functionally Graduated Materials by Additive Technologies</a><br>

  • Continuities

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

Others

  • Publication year

    2022

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    MATERIALS

  • ISSN

    1996-1944

  • e-ISSN

    1996-1944

  • Volume of the periodical

    15

  • Issue of the periodical within the volume

    12

  • Country of publishing house

    CH - SWITZERLAND

  • Number of pages

    17

  • Pages from-to

    nestránkováno

  • UT code for WoS article

    000817328600001

  • EID of the result in the Scopus database

    2-s2.0-85132263338