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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Kotous, Jakub
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Topics
Publications (10/10 displayed)
- 2023Effect of Cu alloying on mechanical properties of medium-c steel after long-time tempering at 500 °Ccitations
- 2023Effect of Double-Step and Strain-Assisted Tempering on Properties of Medium-Carbon Steelcitations
- 2023Evolution of microstructure and embrittlement during the tempering process in SiCrCu medium-carbon steels ; Razvoj mikrostrukture in krhkosti srednje ogljičnega jekla vrste SiCrCu med njegovim postopkom popuščanjacitations
- 2022Enhanced Spring Steel’s Strength Using Strain Assisted Temperingcitations
- 2021Effects of Silicon, Chromium, and Copper on Kinetic Parameters of Precipitation during Tempering of Medium Carbon Steelscitations
- 2021Effect of 1.5 wt% Copper Addition and Various Contents of Silicon on Mechanical Properties of 1.7102 Medium Carbon Steelcitations
- 2021New approach to heat treatment of spring steelcitations
- 2020Design and optimization of a closed die forging of nickel-based superalloy turbine blade
- 2020Optimization of workability technological testing for open-die forgingcitations
- 2017Structure Refinement of Spring Steel 51Crv4 after Accelerated Spheroidisationcitations
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article
Effect of Cu alloying on mechanical properties of medium-c steel after long-time tempering at 500 °C
Abstract
<jats:p>This research studies the influence of the copper alloying of medium-carbon steel on mechanical properties after quenching and tempering at 500 °C. The microstructure was characterised using SEM, EBSD, TEM, and XRD analysis. The mechanical properties were comprehensively investigated using hardness measurements, tensile and Charpy impact tests and solid solution, grain boundary, dislocation, and precipitation strengthening contributions were estimated. Higher yield strength for Cu-alloyed steel was confirmed at about 35–73 MPa. The precipitation strengthening contribution from Cu precipitates in the range of 11–49 MPa was calculated. The interaction between Cu precipitates and dislocations retards the decrease in dislocation density. Similar values of effective grain size of martensite crystals were measured for Cu-alloyed and Cu-free steel as well. Copper alloyed steel exhibited significantly deteriorated impact toughness, total plastic elongation, and reduction of area. The size of Cu precipitates ranged from 8.3 nm after tempering at 500 °C for 6 h to 13.9 nm after tempering for 48 h.</jats:p>