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Improved Gx40CrNi25-20 grade austenitic stainless steel

  • Prof. Dr. Serdar Osman Yilmaz, born in Elazig in 1966, works at the Namık Kemal University, Faculty of Engineering, Department of Mechanical Engineering, Corlu, Tekirdağ, Türkiye. He received his BSc from METU University, Ankara, Faculty of Engineering, Metallurgy and Materials Engineering Department in 1989, his MSc from the Institute of Science and Technology, Metallurgy Department in 1992 and his Ph.D from the Firat University, Institute of Science and Technology, Metallurgy Department, Elazig, in 1998. He studied welding technologies, material surface treatments, material process and microstructure control, casting, and wear.

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    Prof. Dr. Tanju Teker, born in Sivas in 1971, works in Sivas Cumhuriyet University, Faculty of Technology, Department of Manufacturing Engineering, Sivas, Türkiye. He graduated in Metallurgy Education from Gazi University, Ankara, Türkiye, in 1997. He received his MSc and PhD degrees from Firat University, Elazig, Türkiye, in 2004 and 2010, respectively. His research interests casting, welding technologies, material surface treatments, material process, and microstructure control.

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    Bahadır Atik was born in Yozgat in 1984. He graduated from Cumhuriyet University, Faculty of Engineering, Department of Metallurgical and Materials Engineering, Sivas, Türkiye, in 2008. He received his MSc degrees from Namık Kemal University, Corlu, Tekirdağ, Türkiye, in 2023. He studied casting, heat treatment, and wear.
Published/Copyright: February 1, 2024
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Materials Testing
From the journal Materials Testing Volume 66 Issue 4

Abstract

In this study, Ce inoculated GX40CrNi25-20 material was produced by casting. The materials were subjected to heat treatment by being exposed to two different temperatures (1100, 1150 °C) and two different cooling intensities. The effects of heat treatment on primary and secondary carbide concentration, distribution, and type were investigated by using optical microscope, scanning electron microscope, energy dispersive spectrometry, X-ray diffraction, and microhardness tests. The adhesive wear behavior of the materials was determined. After the homogenization heat treatment, the increased cooling intensity application decreased the hardness of the samples. After the homogenization heat treatment, the size of the primary carbides decreased and their distribution became homogeneous. Secondary carbides were dispersed into smaller and equiaxed formin the matrix. EGR inoculating reduced the precipitation of carbides and changed the shape of the precipitate to granule.

Keywords: GX40CrNi25-20 steel; heat treatment; microstructure; hardness; wear
Corresponding author: Tanju Teker, Department of Manufacturing Engineering, Faculty of Technology, Sivas Cumhuriyet University, 58140, Sivas, Türkiye, E-mail:

About the authors

Serdar Osman Yilmaz

Prof. Dr. Serdar Osman Yilmaz, born in Elazig in 1966, works at the Namık Kemal University, Faculty of Engineering, Department of Mechanical Engineering, Corlu, Tekirdağ, Türkiye. He received his BSc from METU University, Ankara, Faculty of Engineering, Metallurgy and Materials Engineering Department in 1989, his MSc from the Institute of Science and Technology, Metallurgy Department in 1992 and his Ph.D from the Firat University, Institute of Science and Technology, Metallurgy Department, Elazig, in 1998. He studied welding technologies, material surface treatments, material process and microstructure control, casting, and wear.

Tanju Teker

Prof. Dr. Tanju Teker, born in Sivas in 1971, works in Sivas Cumhuriyet University, Faculty of Technology, Department of Manufacturing Engineering, Sivas, Türkiye. He graduated in Metallurgy Education from Gazi University, Ankara, Türkiye, in 1997. He received his MSc and PhD degrees from Firat University, Elazig, Türkiye, in 2004 and 2010, respectively. His research interests casting, welding technologies, material surface treatments, material process, and microstructure control.

Bahadır Atik

Bahadır Atik was born in Yozgat in 1984. He graduated from Cumhuriyet University, Faculty of Engineering, Department of Metallurgical and Materials Engineering, Sivas, Türkiye, in 2008. He received his MSc degrees from Namık Kemal University, Corlu, Tekirdağ, Türkiye, in 2023. He studied casting, heat treatment, and wear.

Acknowledgment

The authors were grateful to MTB Inan Machina Industry and Trade Inc. for their assistance in conducting the experiments.

  1. Research ethics: Not applicable.

  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 state no conflict of interest.

  4. Research funding: No funding was received.

  5. Data availability: Not applicable.

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Published Online: 2024-02-01
Published in Print: 2024-04-25

© 2024 Walter de Gruyter GmbH, Berlin/Boston

Articles in the same Issue

  1. Frontmatter
  2. Strain-life behavior of thick-walled nodular cast iron
  3. A novel bearing fault detection approach using a convolutional neural network
  4. Improved Gx40CrNi25-20 grade austenitic stainless steel
  5. Enhanced strength of (CoFeNiMn)100−xCrx (x = 5, 20, 35 at.%) high entropy alloys via formation of carbide phases produced from industrial-grade raw materials
  6. Modeling of thrust force and torque in drilling aluminum 7050
  7. Construction of amidinothiourea crosslinked graphene oxide membrane by multilayer self-assembly for efficient removal of heavy metal ions
  8. Effect of tool rotational speed on friction stir spot welds of AZ31B Mg alloy to AISI 304 stainless steel
  9. A new enhanced mountain gazelle optimizer and artificial neural network for global optimization of mechanical design problems
  10. Effect of particle volume fraction on wear behavior in Al–SiC MMC coated on DIN AlZnMgCu1.5 alloy
  11. Processing, microstructural characterization, and mechanical properties of deep cryogenically treated steels and alloys – overview
  12. Experimental and numerical investigation of patch effect on the bending behavior for hat-shaped carbon fiber composite beams
  13. Influence of water on microstructure and mechanical properties of a friction stir spot welded 7075-T651 Al alloy
  14. Effect of copper powder addition on the product quality of sintered stainless steels
  15. Mechanical and thermal properties of short banana fiber reinforced polyoxymethylene composite materials dependent on alkali treatment
https://doi.org/10.1515/mt-2023-0366
Keywords for this article
GX40CrNi25-20 steel; heat treatment; microstructure; hardness; wear

Articles in the same Issue

  1. Frontmatter
  2. Strain-life behavior of thick-walled nodular cast iron
  3. A novel bearing fault detection approach using a convolutional neural network
  4. Improved Gx40CrNi25-20 grade austenitic stainless steel
  5. Enhanced strength of (CoFeNiMn)100−xCrx (x = 5, 20, 35 at.%) high entropy alloys via formation of carbide phases produced from industrial-grade raw materials
  6. Modeling of thrust force and torque in drilling aluminum 7050
  7. Construction of amidinothiourea crosslinked graphene oxide membrane by multilayer self-assembly for efficient removal of heavy metal ions
  8. Effect of tool rotational speed on friction stir spot welds of AZ31B Mg alloy to AISI 304 stainless steel
  9. A new enhanced mountain gazelle optimizer and artificial neural network for global optimization of mechanical design problems
  10. Effect of particle volume fraction on wear behavior in Al–SiC MMC coated on DIN AlZnMgCu1.5 alloy
  11. Processing, microstructural characterization, and mechanical properties of deep cryogenically treated steels and alloys – overview
  12. Experimental and numerical investigation of patch effect on the bending behavior for hat-shaped carbon fiber composite beams
  13. Influence of water on microstructure and mechanical properties of a friction stir spot welded 7075-T651 Al alloy
  14. Effect of copper powder addition on the product quality of sintered stainless steels
  15. Mechanical and thermal properties of short banana fiber reinforced polyoxymethylene composite materials dependent on alkali treatment
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