Improving oxidation resistance of wire arc additive manufactured Inconel 625 Ni-based superalloy by pack aluminizing

ÖS Bölükbaşı, T Serindağ, U Gürol, A Günen… - CIRP Journal of …, 2023 - Elsevier
The aluminide coating layer was formed on wire arc additive manufactured (WAAM) Inconel
625 (IN625) Ni-based superalloy by a pack-aluminizing process at 700° C for 3 h. The …

Effect of powder-pack aluminizing on microstructure and oxidation resistance of wire arc additively manufactured stainless steels

U Gürol, Y Altınay, A Günen, ÖS Bölükbaşı… - Surface and Coatings …, 2023 - Elsevier
This study investigated the effect of powder-pack aluminizing treatment on the high-
temperature oxidation of ER307 stainless steel components fabricated by wire arc additive …

A comparative study on characterization and high-temperature wear behaviors of thermochemical coatings applied to cobalt-based Haynes 25 superalloys

A Günen, Ö Ergin - Coatings, 2023 - mdpi.com
This study investigated the characteristic properties of aluminizing, boronizing, and boro-
aluminizing coatings grown on Haynes 25 superalloys and their effects on the high …

Powder-pack boronizing of CoCrFeNiAl0. 5Nb0. 5 HEA: Modeling of kinetics, microstructural, mechanical, and tribological characterizations

A Gunen, M Keddam, SE Sunbul, K Icin… - Journal of Alloys and …, 2022 - Elsevier
This study is dedicated to the detailed investigation of boronization kinetic, microstructural,
mechanical, and wear properties of high entropy alloys (HEAs) considering their sluggish …

Enhancement of marine corrosion and tribocorrosion resistance of offshore mooring chain steel by aluminizing process

S Alkan - Brodogradnja: An International Journal of Naval …, 2022 - hrcak.srce.hr
Sažetak The safety of mooring systems and accessories is one of the most critical issues in
the structural integrity of floating oil/gas and renewable offshore structures. Mooring chains …

Microstructural characterization and high-temperature wear behavior of refractory niobium-carbide growth in intermetallic iron-aluminide coatings

A Günen, Y Altınay, Ş Sabun - Engineering Failure Analysis, 2024 - Elsevier
Abstract Iron-aluminide (Fe-Al) intermetallics are characterized by their high-temperature
oxidation resistance. However, their use in tribo-corrosive environments is limited due to …

The chromization on hot-rolled Fe40Mn20Cr20Ni20 high-entropy alloys by pack cementation

R Yang, A Lan, H Yang, X Jin, J Qiao - Journal of Alloys and Compounds, 2023 - Elsevier
As a surface modification technique, chromization is often used in steels to improve their
wear, corrosion, and oxidation resistances. High-entropy alloys (HEAs) with excellent …

Oxidation resistance of aluminized refractory HfNbTaTiZr high entropy alloy

A Günen, KM Döleker, E Kanca, MA Akhtar… - Journal of Alloys and …, 2024 - Elsevier
In the present study, an equimolar HfNbTaTiZr refractory high entropy alloy was subjected to
powder-pack aluminizing at 950° C for 4 h. High-temperature isothermal oxidation tests …

Effects of aluminizing on the microstructure and wear resistance of AISI 321 steel

L Yu, C Xiao, W Jiang, W Li, S Ni, M Song - Surface and Coatings …, 2024 - Elsevier
To enhance the surface properties, particularly hardness and wear resistance, of AISI 321
steel, an aluminizing coating was introduced through pack cementation treatment …

Effects of aluminised-coating on microstructure and properties of Ni–Co-base superalloys

Z Hong, Y Li, B Liu, X Jia - Surface Engineering, 2024 - journals.sagepub.com
A Ni–Co-base superalloy was subjected to three different pack aluminising procedures
(1000° C for 3.5 h, 890° C for 8 h and 620° C for 10 h) to produce the Al-rich coating with …