The Effect of Simultaneous Si and Ti/Mo Alloying on High-Temperature Strength of Fe<sub>3</sub>Al-Based Iron Aluminides
The effect of phase composition and morphology on high-temperature strength in the compression of Fe-Al-Si-based iron aluminides manufactured by casting was investigated. The structure and high-temperature strength in the compression of three alloys—Fe28Al5Si, Fe28Al5Si2Mo, and Fe28Al5Si2Ti—were stu...
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| Format: | Article |
| Language: | English |
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MDPI AG
2020-09-01
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| Series: | Molecules |
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| Online Access: | https://www.mdpi.com/1420-3049/25/18/4268 |
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| author | Věra Vodičková Martin Švec Pavel Hanus Pavel Novák Antonín Záděra Vojtěch Keller Petra Pazourková Prokopčáková |
| author_facet | Věra Vodičková Martin Švec Pavel Hanus Pavel Novák Antonín Záděra Vojtěch Keller Petra Pazourková Prokopčáková |
| author_sort | Věra Vodičková |
| collection | DOAJ |
| description | The effect of phase composition and morphology on high-temperature strength in the compression of Fe-Al-Si-based iron aluminides manufactured by casting was investigated. The structure and high-temperature strength in the compression of three alloys—Fe28Al5Si, Fe28Al5Si2Mo, and Fe28Al5Si2Ti—were studied. Long-term (at 800 °C for 100 h) annealing was performed for the achievement of structural stability. The phase composition and grain size of alloys were primarily described by means of scanning electron microscopy equipped with energy dispersive analysis and Electron Backscatter Diffraction (EBSD). The phase composition was verified by X-ray diffraction (XRD) analysis. The effect of Mo and Ti addition as well as the effect of long-term annealing on high-temperature yield stress in compression were investigated. Both additives—Mo and Ti—affected the yield stress values positively. Long-term annealing of Fe28Al5Si-X iron aluminide alloyed with Mo and Ti deteriorates yield stress values slightly due to grain coarsening. |
| first_indexed | 2024-03-10T16:14:36Z |
| format | Article |
| id | doaj.art-7b09f132928244d089ca2236c485137c |
| institution | Directory Open Access Journal |
| issn | 1420-3049 |
| language | English |
| last_indexed | 2024-03-10T16:14:36Z |
| publishDate | 2020-09-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Molecules |
| spelling | doaj.art-7b09f132928244d089ca2236c485137c2023-11-20T14:08:53ZengMDPI AGMolecules1420-30492020-09-012518426810.3390/molecules25184268The Effect of Simultaneous Si and Ti/Mo Alloying on High-Temperature Strength of Fe<sub>3</sub>Al-Based Iron AluminidesVěra Vodičková0Martin Švec1Pavel Hanus2Pavel Novák3Antonín Záděra4Vojtěch Keller5Petra Pazourková Prokopčáková6Department of Material Science, Faculty of Mechanical Engineering, Technical University of Liberec, 461 17 Liberec, Czech RepublicDepartment of Technology, Faculty of Mechanical Engineering, Technical University of Liberec, 461 17 Liberec, Czech RepublicDepartment of Material Science, Faculty of Mechanical Engineering, Technical University of Liberec, 461 17 Liberec, Czech RepublicDepartment of Metals and Corrosion Engineering, University of Chemistry and Technology, 166 28 Prague, Czech RepublicDepartment of Foundry Engineering, Brno University of Technology, 601 90 Brno, Czech RepublicDepartment of Material Science, Faculty of Mechanical Engineering, Technical University of Liberec, 461 17 Liberec, Czech RepublicDepartment of Material Science, Faculty of Mechanical Engineering, Technical University of Liberec, 461 17 Liberec, Czech RepublicThe effect of phase composition and morphology on high-temperature strength in the compression of Fe-Al-Si-based iron aluminides manufactured by casting was investigated. The structure and high-temperature strength in the compression of three alloys—Fe28Al5Si, Fe28Al5Si2Mo, and Fe28Al5Si2Ti—were studied. Long-term (at 800 °C for 100 h) annealing was performed for the achievement of structural stability. The phase composition and grain size of alloys were primarily described by means of scanning electron microscopy equipped with energy dispersive analysis and Electron Backscatter Diffraction (EBSD). The phase composition was verified by X-ray diffraction (XRD) analysis. The effect of Mo and Ti addition as well as the effect of long-term annealing on high-temperature yield stress in compression were investigated. Both additives—Mo and Ti—affected the yield stress values positively. Long-term annealing of Fe28Al5Si-X iron aluminide alloyed with Mo and Ti deteriorates yield stress values slightly due to grain coarsening.https://www.mdpi.com/1420-3049/25/18/4268Fe-Al-Si cast alloysTi and Mo alloyinglong-term annealingmicrostructurehigh-temperature strength in compression |
| spellingShingle | Věra Vodičková Martin Švec Pavel Hanus Pavel Novák Antonín Záděra Vojtěch Keller Petra Pazourková Prokopčáková The Effect of Simultaneous Si and Ti/Mo Alloying on High-Temperature Strength of Fe<sub>3</sub>Al-Based Iron Aluminides Molecules Fe-Al-Si cast alloys Ti and Mo alloying long-term annealing microstructure high-temperature strength in compression |
| title | The Effect of Simultaneous Si and Ti/Mo Alloying on High-Temperature Strength of Fe<sub>3</sub>Al-Based Iron Aluminides |
| title_full | The Effect of Simultaneous Si and Ti/Mo Alloying on High-Temperature Strength of Fe<sub>3</sub>Al-Based Iron Aluminides |
| title_fullStr | The Effect of Simultaneous Si and Ti/Mo Alloying on High-Temperature Strength of Fe<sub>3</sub>Al-Based Iron Aluminides |
| title_full_unstemmed | The Effect of Simultaneous Si and Ti/Mo Alloying on High-Temperature Strength of Fe<sub>3</sub>Al-Based Iron Aluminides |
| title_short | The Effect of Simultaneous Si and Ti/Mo Alloying on High-Temperature Strength of Fe<sub>3</sub>Al-Based Iron Aluminides |
| title_sort | effect of simultaneous si and ti mo alloying on high temperature strength of fe sub 3 sub al based iron aluminides |
| topic | Fe-Al-Si cast alloys Ti and Mo alloying long-term annealing microstructure high-temperature strength in compression |
| url | https://www.mdpi.com/1420-3049/25/18/4268 |
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