Effect of temperature on oxidation during boriding of Ni-Hard 4
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Tuna Aydoğmuş
Asst. Prof. Dr. Tuna Aydoğmuş, born in 1987, graduated from the Ondokuz Mayıs University, Turkey, in the Educational Sciences Faculty. He completed his MSc and PhD. at Osmangazi University. He worked at the İstanbul Gedik University, Turkey, in the Machinery and Metal Technologies Department between 2013 and 2019. He has been working at Hitit University, Turkey, since 2019. He is an expert in materials science, non-destructive material tests, surface development, diffusion processes, and thin film technologies.
Abstract
Ni-Hard 4, also known as white cast iron, is widely used in many applications that demand high mechanical strength. This material is recognized for its ability to withstand challenging conditions. In this study, surface modification processes, particularly boriding, were carried out on the material. Boriding is considered an effective process for enhancing the mechanical strength of a surface. While there are various methods for performing boriding, the pack-boriding method was chosen for this study. This method was applied in a typical heat treatment furnace. Ni-Hard 4 specimens were subjected to different combinations of temperature (1000–1200 °C) and 4 h duration, resulting in a total of three distinct samples. Subsequently, the microstructure, hardness, and chemical composition of the boride layers formed on the material’s surface were meticulously examined. As a result of the detailed analysis, it was determined that if the boriding process was carried out in a furnace without controlled atmosphere, high temperature oxidation started on the surface of Ni-Hard 4, and in this case it increased in parallel with the increase in temperature.
About the author
Asst. Prof. Dr. Tuna Aydoğmuş, born in 1987, graduated from the Ondokuz Mayıs University, Turkey, in the Educational Sciences Faculty. He completed his MSc and PhD. at Osmangazi University. He worked at the İstanbul Gedik University, Turkey, in the Machinery and Metal Technologies Department between 2013 and 2019. He has been working at Hitit University, Turkey, since 2019. He is an expert in materials science, non-destructive material tests, surface development, diffusion processes, and thin film technologies.
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Research ethics: Not applicable.
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Author contributions: The author has accepted responsibility for the entire content of this manuscript and approved its submission.
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Competing interests: The author states no conflict of interest.
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Research funding: None declared.
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Data availability: Not applicable.
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Artikel in diesem Heft
- Frontmatter
- Design optimization of bellow joints used in liquid propellant rocket engines
- Microstructure and mechanical properties of a Ti6Al4V alloy recycled by waste chips vacuum arc melting
- High thermal stability effect of vanadium on the binary CuAl base alloy for a novel CuAlV high-temperature shape memory alloy
- Microstructure and properties of Co based laser cladded composite coatings
- Tribological and electrochemical corrosion behavior of binary Mg–3Zn novel hybrid composites for biodegradable implant applications
- Exfoliation behavior of EN AW 7020 with T6, step aging and ultrasonic impact peening processes
- Crash performance of a novel bio-inspired energy absorber produced by additive manufacturing using PLA and ABS materials
- Acoustic properties of ABS and PLA parts produced by additive manufacturing using different printing parameters
- A novel experimental method for measuring the direct tensile strength of concrete
- Usage of an improved YOLOv5 for steel surface defect detection
- Thermal analyses and weight gain modeling study on Ti–Al – based intermetallic coated Ti6Al4V alloy
- Effect of temperature on oxidation during boriding of Ni-Hard 4
- Wear behaviour of glass fiber reinforced polyester composites under dry friction and fluid film lubrication
- X-ray diffraction and photoelectron spectroscopy analyses of MXene electrode material used in energy storage applications – a review
