Nanoscale Tribological Properties of Nanostructure Fe<sub>3</sub>Al and (Fe,Ti)<sub>3</sub>Al Compounds Fabricated by Spark Plasma Sintering Method
Nanostructured powder particles of Fe<sub>3</sub>Al and (Fe,Ti)<sub>3</sub>Al phases were produced using mechanical alloying. These intermetallic phases with a nearly complete density were consolidated by spark plasma sintering. The mechanical properties of the bulk samples,...
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MDPI AG
2022-06-01
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| Series: | Metals |
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| Online Access: | https://www.mdpi.com/2075-4701/12/7/1077 |
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| author | Mohammad Mahdi Taghvaei Hossein Mostaan Mahdi Rafiei Hamid Reza Bakhsheshi-Rad Filippo Berto |
| author_facet | Mohammad Mahdi Taghvaei Hossein Mostaan Mahdi Rafiei Hamid Reza Bakhsheshi-Rad Filippo Berto |
| author_sort | Mohammad Mahdi Taghvaei |
| collection | DOAJ |
| description | Nanostructured powder particles of Fe<sub>3</sub>Al and (Fe,Ti)<sub>3</sub>Al phases were produced using mechanical alloying. These intermetallic phases with a nearly complete density were consolidated by spark plasma sintering. The mechanical properties of the bulk samples, i.e., elasticity modulus, hardness, and plasticity index, and also their tribological behavior were investigated using nanoindentation and nano-scratch tests. It was found that both Fe<sub>3</sub>Al and (Fe,Ti)<sub>3</sub>Al phases can be synthesized after 30 h of high-energy ball milling. In addition, no phase evolution was observed after spark plasma sintering. An analysis of the atomic force microscope images obtained from the nanoindentation tests showed a higher elasticity modulus, higher hardness, and lower plasticity index due to the addition of Ti to the Fe<sub>3</sub>Al system. (Fe,Ti)<sub>3</sub>Al displayed better tribological properties as compared with Fe<sub>3</sub>Al. A smaller volume of the scratched line was clearly seen in the atomic force microscope images of the nanostructured (Fe,Ti)<sub>3</sub>Al compound. |
| first_indexed | 2024-03-09T13:23:01Z |
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| id | doaj.art-190aef47c1634e388ba1c2f4249476c3 |
| institution | Directory Open Access Journal |
| issn | 2075-4701 |
| language | English |
| last_indexed | 2024-03-09T13:23:01Z |
| publishDate | 2022-06-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Metals |
| spelling | doaj.art-190aef47c1634e388ba1c2f4249476c32023-11-30T21:26:59ZengMDPI AGMetals2075-47012022-06-01127107710.3390/met12071077Nanoscale Tribological Properties of Nanostructure Fe<sub>3</sub>Al and (Fe,Ti)<sub>3</sub>Al Compounds Fabricated by Spark Plasma Sintering MethodMohammad Mahdi Taghvaei0Hossein Mostaan1Mahdi Rafiei2Hamid Reza Bakhsheshi-Rad3Filippo Berto4Department of Materials and Metallurgical Engineering, Faculty of Engineering, Arak University, Arak 38156-8-8349, IranDepartment of Materials and Metallurgical Engineering, Faculty of Engineering, Arak University, Arak 38156-8-8349, IranAdvanced Materials Research Center, Department of Materials Engineering, Najafabad Branch, Islamic Azad University, Najafabad, IranAdvanced Materials Research Center, Department of Materials Engineering, Najafabad Branch, Islamic Azad University, Najafabad, IranDepartment of Mechanical and Industrial Engineering, Norwegian University of Science and Technology, 7491 Trondheim, NorwayNanostructured powder particles of Fe<sub>3</sub>Al and (Fe,Ti)<sub>3</sub>Al phases were produced using mechanical alloying. These intermetallic phases with a nearly complete density were consolidated by spark plasma sintering. The mechanical properties of the bulk samples, i.e., elasticity modulus, hardness, and plasticity index, and also their tribological behavior were investigated using nanoindentation and nano-scratch tests. It was found that both Fe<sub>3</sub>Al and (Fe,Ti)<sub>3</sub>Al phases can be synthesized after 30 h of high-energy ball milling. In addition, no phase evolution was observed after spark plasma sintering. An analysis of the atomic force microscope images obtained from the nanoindentation tests showed a higher elasticity modulus, higher hardness, and lower plasticity index due to the addition of Ti to the Fe<sub>3</sub>Al system. (Fe,Ti)<sub>3</sub>Al displayed better tribological properties as compared with Fe<sub>3</sub>Al. A smaller volume of the scratched line was clearly seen in the atomic force microscope images of the nanostructured (Fe,Ti)<sub>3</sub>Al compound.https://www.mdpi.com/2075-4701/12/7/1077iron aluminidesspark plasma sinteringnanoscratchnanohardnessmechanical alloying |
| spellingShingle | Mohammad Mahdi Taghvaei Hossein Mostaan Mahdi Rafiei Hamid Reza Bakhsheshi-Rad Filippo Berto Nanoscale Tribological Properties of Nanostructure Fe<sub>3</sub>Al and (Fe,Ti)<sub>3</sub>Al Compounds Fabricated by Spark Plasma Sintering Method Metals iron aluminides spark plasma sintering nanoscratch nanohardness mechanical alloying |
| title | Nanoscale Tribological Properties of Nanostructure Fe<sub>3</sub>Al and (Fe,Ti)<sub>3</sub>Al Compounds Fabricated by Spark Plasma Sintering Method |
| title_full | Nanoscale Tribological Properties of Nanostructure Fe<sub>3</sub>Al and (Fe,Ti)<sub>3</sub>Al Compounds Fabricated by Spark Plasma Sintering Method |
| title_fullStr | Nanoscale Tribological Properties of Nanostructure Fe<sub>3</sub>Al and (Fe,Ti)<sub>3</sub>Al Compounds Fabricated by Spark Plasma Sintering Method |
| title_full_unstemmed | Nanoscale Tribological Properties of Nanostructure Fe<sub>3</sub>Al and (Fe,Ti)<sub>3</sub>Al Compounds Fabricated by Spark Plasma Sintering Method |
| title_short | Nanoscale Tribological Properties of Nanostructure Fe<sub>3</sub>Al and (Fe,Ti)<sub>3</sub>Al Compounds Fabricated by Spark Plasma Sintering Method |
| title_sort | nanoscale tribological properties of nanostructure fe sub 3 sub al and fe ti sub 3 sub al compounds fabricated by spark plasma sintering method |
| topic | iron aluminides spark plasma sintering nanoscratch nanohardness mechanical alloying |
| url | https://www.mdpi.com/2075-4701/12/7/1077 |
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