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Effect of pack characteristics and process parameters on the properties of aluminide-coated Inconel 625 alloy

  • Dr. Şaban Hakan Atapek is currently working as Assoc. Prof. Dr. at Kocaeli University, Faculty of Engineering, Materials Division, and he is head of Laboratory of High Temperature Materials. His interests are in the metallic materials, materials characterization, and fractography.

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    MSc. Cüneyt Koray Gencay graduated from Kocaeli University, Department of Metallurgical and Materials Engineering, Türkiye. He received his MSc degree from Kocaeli University, Department of Metallurgical and Materials Engineering. He is currently working as Manufacturing Engineer at Hasçelik Chromebar.

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    Dr. Tuba Yener is currently working as Assoc. Prof. Dr. at Sakarya University, Faculty of Engineering, Metallurgy and Materials Engineering. Her interests are in the intermetallic materials, materials characterization, and surface properties of materials.

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    Dr. Fulya Kahrıman is currently working as research assistant at Kocaeli University, Faculty of Engineering, Materials Division. Her interests are materials characterization, fractography, and aluminum alloys.

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    Dr. Gülşah Aktaş Çelik is currently working as a research assistant at Kocaeli University, Faculty of Engineering, Materials Division, and she is a researcher at Laboratory of High Temperature Materials. Her interests are thermodynamic modeling, solidification, surface treatment of the alloys, and metallurgical characterization.
Veröffentlicht/Copyright: 21. August 2023
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Abstract

In this study, Inconel 625 alloy was initially aluminide coated by halide-activated pack cementation at 700 °C for 4 h using fine (40–45 µm) globular and coarse (10–75 µm) ligament aluminum particles. Microstructural features and hardness variation of the coatings along with their oxidation behavior at 1000 °C during 50 h were investigated to reveal the effect of pack characteristics on the properties. Investigations revealed that (i) a homogeneous and continuous coating layer was formed on the surface without internal oxidation, (ii) a thicker coating (∼60 µm) was formed due to the pack consisting of coarse particles, (iii) a higher hardness value (1369 HV0.5) was measured for the coated alloy using fine particles in the pack, and (iv) the coating with coarse powder exhibited higher oxidation resistance during the first 50 h of oxidation test period. Secondly, superalloy was coated at different temperatures (700 and 1000 °C) and times (2 and 4 h) using coarse particles. In this stage, the findings showed that by increasing process temperature and time, the accumulation of aluminum on the superalloy surface increased and the oxidation tendency remained at a lower level in coatings containing thicker layers.

Keywords: aluminide coating; characterization; diffusion; Inconel 625; oxidation
Corresponding author: Şaban Hakan Atapek, Department of Metallurgical and Materials Engineering, Kocaeli University, Umuttepe Campus, 41001 Kocaeli, Türkiye, E-mail:

Funding source: Scientific Research Projects Coordination Unit of Kocaeli University

Award Identifier / Grant number: Project No: 2019/022 & FMP-2019-1628

About the authors

Şaban Hakan Atapek

Dr. Şaban Hakan Atapek is currently working as Assoc. Prof. Dr. at Kocaeli University, Faculty of Engineering, Materials Division, and he is head of Laboratory of High Temperature Materials. His interests are in the metallic materials, materials characterization, and fractography.

Cüneyt Koray Gencay

MSc. Cüneyt Koray Gencay graduated from Kocaeli University, Department of Metallurgical and Materials Engineering, Türkiye. He received his MSc degree from Kocaeli University, Department of Metallurgical and Materials Engineering. He is currently working as Manufacturing Engineer at Hasçelik Chromebar.

Tuba Yener

Dr. Tuba Yener is currently working as Assoc. Prof. Dr. at Sakarya University, Faculty of Engineering, Metallurgy and Materials Engineering. Her interests are in the intermetallic materials, materials characterization, and surface properties of materials.

Fulya Kahrıman

Dr. Fulya Kahrıman is currently working as research assistant at Kocaeli University, Faculty of Engineering, Materials Division. Her interests are materials characterization, fractography, and aluminum alloys.

Gülşah Aktaş Çelik

Dr. Gülşah Aktaş Çelik is currently working as a research assistant at Kocaeli University, Faculty of Engineering, Materials Division, and she is a researcher at Laboratory of High Temperature Materials. Her interests are thermodynamic modeling, solidification, surface treatment of the alloys, and metallurgical characterization.

  1. Research ethics: The article is prepared in accordance with research ethics.

  2. Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

  3. Competing interests: The authors declare no conflict of interest.

  4. Research funding: The authors wish to acknowledge the financial support given by Scientific Research Projects Coordination Unit of Kocaeli University under the Project Nos. 2019/022 and FMP-2019-1628.

  5. Data availability: The data that support the findings of this study are available from the corresponding author upon reasonable request.

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Published Online: 2023-08-21
Published in Print: 2023-11-27

© 2023 Walter de Gruyter GmbH, Berlin/Boston

Artikel in diesem Heft

  1. Frontmatter
  2. Effects of infill patterns and densities on crack propagation behavior in additive manufactured parts: a comparative study
  3. Effect of carbon nanotubes on microstructure and mechanical properties of TiZrVMnCu–Er high entropy alloy composites
  4. Electrochemical, mechanical, and antibacterial properties of the AZ91 Mg alloy by hybrid and layered hydroxyapatite and tantalum oxide sol–gel coating
  5. Fatigue performance of laser cut carbon fiber-reinforced epoxy and polyamide 6 considering specimen width
  6. Effect of pack characteristics and process parameters on the properties of aluminide-coated Inconel 625 alloy
  7. Analyzing the effect of notch geometry on the impact strength of 3D-printed specimens
  8. Systemic observation and measurement of microgap formation in dental implant–abutment connection interface under fatigue
  9. Effect of bonding conditions on mechanical performance of DP600 steels at different ambient temperatures
  10. In situ observation and understanding of the arc erosion behavior of electrical contact materials
  11. Finite element analysis of bending and torsional loading of two different endodontic rotary files with different off-center geometric sections
  12. Tribo-corrosion behavior of electroplating, nitrocarburizing, and QPQ processes on barrel finishing
  13. Vibrational comfort improvement for a passenger car driver seat
  14. A19-saponin–modified polymethyl methacrylate base denture composites: antimicrobial, mechanical and water absorption potentials
  15. Effect of temperature and rolling direction on the formability of CP2 and Ti-6Al-4V titanium materials
https://doi.org/10.1515/mt-2023-0125
Schlagwörter für diesen Artikel
aluminide coating; characterization; diffusion; Inconel 625; oxidation

Artikel in diesem Heft

  1. Frontmatter
  2. Effects of infill patterns and densities on crack propagation behavior in additive manufactured parts: a comparative study
  3. Effect of carbon nanotubes on microstructure and mechanical properties of TiZrVMnCu–Er high entropy alloy composites
  4. Electrochemical, mechanical, and antibacterial properties of the AZ91 Mg alloy by hybrid and layered hydroxyapatite and tantalum oxide sol–gel coating
  5. Fatigue performance of laser cut carbon fiber-reinforced epoxy and polyamide 6 considering specimen width
  6. Effect of pack characteristics and process parameters on the properties of aluminide-coated Inconel 625 alloy
  7. Analyzing the effect of notch geometry on the impact strength of 3D-printed specimens
  8. Systemic observation and measurement of microgap formation in dental implant–abutment connection interface under fatigue
  9. Effect of bonding conditions on mechanical performance of DP600 steels at different ambient temperatures
  10. In situ observation and understanding of the arc erosion behavior of electrical contact materials
  11. Finite element analysis of bending and torsional loading of two different endodontic rotary files with different off-center geometric sections
  12. Tribo-corrosion behavior of electroplating, nitrocarburizing, and QPQ processes on barrel finishing
  13. Vibrational comfort improvement for a passenger car driver seat
  14. A19-saponin–modified polymethyl methacrylate base denture composites: antimicrobial, mechanical and water absorption potentials
  15. Effect of temperature and rolling direction on the formability of CP2 and Ti-6Al-4V titanium materials
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