ALL libraries (COBIB.SI union bibliographic/catalogue database)
  • Laser powder bed fusion parameters optimization for enhanced mechanical properties of EOS Co-Cr dental alloy [Elektronski vir]
    Viderščak, Dalibor ...
    This research explores how variations in laser powder bed fusion (LPBF) parameters—laser power (P), scanning speed (v), and base plate preheating temperature (ϑp)—affect the mechanical properties of ... the EOS Co-Cr SP2 dental alloy. A central composite design (CCD) was used to optimize the process parameters. Mechanical testing focused on crucial properties for dental applications, including yield strength (Rp0.2), elongation (ε), toughness (KVa), and flexural strength (Rms). Microstructural analysis was conducted using light and electron microscopy, while XRD identified microstructural phases. Statistical analysis (ANOVA, Scheffé post hoc test, α = 0.05) revealed significant effects of P, v, and ϑp on the mechanical properties. Response surface models (RSMs) were developed, and optimal parameters were determined to achieve maximum toughness and flexural strength. Maximum values were obtained with laser power above 205Wand base plate preheating at 310 ◦C. The mathematical model predicted toughness values with less than 5% deviation from experimental results, indicating high accuracy.
    Source: Materials [Elektronski vir]. - ISSN 1996-1944 (Vol. 17, iss. 20, [article no.] 4993, Oct. 2024, str. 1-15)
    Type of material - e-article
    Publish date - 2024
    Language - english
    COBISS.SI-ID - 211864579

    Link(s):

    https://www.mdpi.com/1996-1944/17/20/4993
    DiRROS - Digital repository of Slovenian research organizations
    DOI

Shelf entry