PRODUCTION OF OXIDE DISPERSION STRENGTHENED INCONEL 718 ALLOYS USING CONVENTIONAL POWDER METALLURGY AND ADDITIVE MANUFACTURING METHODS

Oxide dispersion strengthened (ODS) Ni-based alloys having a high density of nano-oxides (NOs) (<10 nm) are considered to be good candidates for extreme environments, such as high temperature, radiation, and corrosion. In this study, ODS IN718 alloys have been produced using conventional powder metallurgy (PM) and novel selective laser melting (SLM) additive manufacturing. The effect of processing routes on the microstructure, in particular on the nano-oxide formation and structure has been investigated. It has been found that the powder metallurgy method that consists of compressing followed by sintering at 1250 and 1500 °C results in a nano-granular structure with homogenously distributed fine nano-oxides having a high number density. Similarly, SLM results in a high number density of fine nano-oxides; however, the particles exist in groups with the grains/cells. The nano-oxides are determined to be Y2Ti2O7, Y2TiO5 or YTiO3 and Y-Al-O. The deviation in the lattice parameters of Y2Ti2O7 infers the existence of some Al in the structure. This study sheds light on producing ODS IN718 alloys with high-density nano-oxides using powder metallurgy and additive manufacturing methods.

Keywords:

Additive Manufacturing, Inconel 718, Nano-Particle, Oxide Dispersion Strengthened Alloy, Powder Metallurgy Transmission Electron Microscopy,

Tam Metin

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Bibtex	@araştırma makalesi { konjes1254946, journal = {Konya Journal of Engineering Sciences}, eissn = {2667-8055}, address = {Konya Teknik Üniversitesi Mühendislik ve Doğa Bilimleri Fakültesi Dekanlığı, Alaeddin Keykubat Yerleşkesi, Akademi Mah. Yeni İstanbul Cad. No:369 Posta Kodu:42130 Selçuklu-Konya / TÜRKİYE}, publisher = {Konya Teknik Üniversitesi}, year = {2023}, volume = {11}, number = {3}, pages = {678 - 692}, doi = {10.36306/konjes.1254946}, title = {PRODUCTION OF OXIDE DISPERSION STRENGTHENED INCONEL 718 ALLOYS USING CONVENTIONAL POWDER METALLURGY AND ADDITIVE MANUFACTURING METHODS}, key = {cite}, author = {Aydoğan Güngör, Eda} }
APA	Aydoğan Güngör, E. (2023). PRODUCTION OF OXIDE DISPERSION STRENGTHENED INCONEL 718 ALLOYS USING CONVENTIONAL POWDER METALLURGY AND ADDITIVE MANUFACTURING METHODS . Konya Journal of Engineering Sciences , 11 (3) , 678-692 . DOI: 10.36306/konjes.1254946
MLA	Aydoğan Güngör, E. "PRODUCTION OF OXIDE DISPERSION STRENGTHENED INCONEL 718 ALLOYS USING CONVENTIONAL POWDER METALLURGY AND ADDITIVE MANUFACTURING METHODS" . Konya Journal of Engineering Sciences 11 (2023 ): 678-692 <
Chicago	Aydoğan Güngör, E. "PRODUCTION OF OXIDE DISPERSION STRENGTHENED INCONEL 718 ALLOYS USING CONVENTIONAL POWDER METALLURGY AND ADDITIVE MANUFACTURING METHODS". Konya Journal of Engineering Sciences 11 (2023 ): 678-692
RIS	TY - JOUR T1 - PRODUCTION OF OXIDE DISPERSION STRENGTHENED INCONEL 718 ALLOYS USING CONVENTIONAL POWDER METALLURGY AND ADDITIVE MANUFACTURING METHODS AU - EdaAydoğan Güngör Y1 - 2023 PY - 2023 N1 - doi: 10.36306/konjes.1254946 DO - 10.36306/konjes.1254946 T2 - Konya Journal of Engineering Sciences JF - Journal JO - JOR SP - 678 EP - 692 VL - 11 IS - 3 SN - -2667-8055 M3 - doi: 10.36306/konjes.1254946 UR - Y2 - 2023 ER -
EndNote	%0 Konya Mühendislik Bilimleri Dergisi PRODUCTION OF OXIDE DISPERSION STRENGTHENED INCONEL 718 ALLOYS USING CONVENTIONAL POWDER METALLURGY AND ADDITIVE MANUFACTURING METHODS %A Eda Aydoğan Güngör %T PRODUCTION OF OXIDE DISPERSION STRENGTHENED INCONEL 718 ALLOYS USING CONVENTIONAL POWDER METALLURGY AND ADDITIVE MANUFACTURING METHODS %D 2023 %J Konya Journal of Engineering Sciences %P -2667-8055 %V 11 %N 3 %R doi: 10.36306/konjes.1254946 %U 10.36306/konjes.1254946
ISNAD	Aydoğan Güngör, Eda . "PRODUCTION OF OXIDE DISPERSION STRENGTHENED INCONEL 718 ALLOYS USING CONVENTIONAL POWDER METALLURGY AND ADDITIVE MANUFACTURING METHODS". Konya Journal of Engineering Sciences 11 / 3 (Eylül 2023): 678-692 .
AMA	Aydoğan Güngör E. PRODUCTION OF OXIDE DISPERSION STRENGTHENED INCONEL 718 ALLOYS USING CONVENTIONAL POWDER METALLURGY AND ADDITIVE MANUFACTURING METHODS. KONJES. 2023; 11(3): 678-692.
Vancouver	Aydoğan Güngör E. PRODUCTION OF OXIDE DISPERSION STRENGTHENED INCONEL 718 ALLOYS USING CONVENTIONAL POWDER METALLURGY AND ADDITIVE MANUFACTURING METHODS. Konya Journal of Engineering Sciences. 2023; 11(3): 678-692.
IEEE	E. Aydoğan Güngör , "PRODUCTION OF OXIDE DISPERSION STRENGTHENED INCONEL 718 ALLOYS USING CONVENTIONAL POWDER METALLURGY AND ADDITIVE MANUFACTURING METHODS", , c. 11, sayı. 3, ss. 678-692, Eyl. 2023, doi:10.36306/konjes.1254946