Özer, Seren

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https://hdl.handle.net/20.500.14411/7213
Name Variants
S.,Ozer
S., Özer
Ozer, Seren
Seren, Özer
Özer,S.
O., Seren
S., Ozer
O.,Seren
Ö.,Seren
Seren, Ozer
Ö., Seren
Ozer,S.
Özer, Seren
S.,Özer
Job Title
Araştırma Görevlisi
Email Address
seren.ozer@atilim.edu.tr
Main Affiliation
Metallurgical and Materials Engineering
Status
Former Staff
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Scopus Author ID
57673039000
Turkish CoHE Profile ID
Google Scholar ID
WoS Researcher ID
GLY-9725-2022

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INDUSTRY, INNOVATION AND INFRASTRUCTURE9
INDUSTRY, INNOVATION AND INFRASTRUCTURE
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7

Citations

127

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Documents

7

Citations

116

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Scholarly Output

8

Articles

8

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51/772

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WoS Citation Count

116

Scopus Citation Count

125

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WoS Citations per Publication

14.50

Scopus Citations per Publication

15.63

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5

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Journal of Materials Research and Technology2
Journal of Alloys and Compounds1
Journal of Materials Processing Technology1
Intermetallics1
Materials & Design1
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Subject: Aging treatment

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    Article
    Citation - WoS: 16
    Citation - Scopus: 16
    Effect of Aging Treatment on the Microstructure, Cracking Type and Crystallographic Texture of In939 Fabricated by Powder Bed Fusion-Laser Beam
    (Elsevier, 2024) Ozer, Seren; Dogu, Merve Nur; Ozdemirel, Ceren; Bilgin, Guney Mert; Gunes, Mert; Davut, Kemal; Brabazon, Dermot
    This study aimed to provide a comprehensive understanding of how aging treatments (namely, HT1 and HT2) affect the microstructure, cracking behavior, and crystallographic texture of IN939 fabricated by powder bed fusion-laser beam (PBF-LB) method. Although both aged samples demonstrated similar grain structure and recrystallization behavior according to the electron backscatter diffraction (EBSD) analysis, as well as the precipitation of bimodal gamma ' phase and MC- and M23C6-type carbides, notable differences were observed in the size and morphology, particularly the gamma ' phase. The HT1 sample displayed coarsened primary gamma ' phase, with sizes reaching up to 2 mu m and exhibiting varied morphologies, including irregular and cuboidal shapes. Additionally, this treatment led to the formation of some gamma '-gamma eutectic regions and plate-like eta phase, along with the decomposition of MC-type carbides into M23C6-type carbides. In contrast, the HT2 sample displayed uniformly distributed spherical primary gamma ' phase with sizes ranging from 70 to 120 nm, accompanied by very fine secondary gamma ' phase. Furthermore, it was found that changes in both aged sample microstructures could result in the formation of strain-age cracks due to the gamma ' phase formation and liquation cracks due to the partial remelting of lower melting point phases. The findings also revealed that with the application of aging treatments, the hardness of the as-fabricated sample (339.8 +/- 3.4 HV) increased to 440.2 +/- 5.6 HV and 508.1 +/- 4.8 HV for the heat treatment of HT1 and HT2, respectively.