Microstructure and Compressive Behavior of Al–Y<sub>2</sub>O<sub>3</sub> Nanocomposites Prepared by Microwave-Assisted Mechanical Alloying
<p dir="ltr">In this study, Al–Y<sub>2</sub>O<sub>3</sub> nanocomposites were synthesized via mechanical alloying and microwave-assisted sintering. The effect of different levels of yttrium oxide on the microstructural and mechanical properties of the Al–Y<...
محفوظ في:
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| مؤلفون آخرون: | , , |
| منشور في: |
2019
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| _version_ | 1864513520713859072 |
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| author | Manohar Reddy Mattli (18147568) |
| author2 | Abdul Shakoor (5991137) Penchal Reddy Matli (18147571) Adel Mohamed Amer Mohamed (17346832) |
| author2_role | author author author |
| author_facet | Manohar Reddy Mattli (18147568) Abdul Shakoor (5991137) Penchal Reddy Matli (18147571) Adel Mohamed Amer Mohamed (17346832) |
| author_role | author |
| dc.creator.none.fl_str_mv | Manohar Reddy Mattli (18147568) Abdul Shakoor (5991137) Penchal Reddy Matli (18147571) Adel Mohamed Amer Mohamed (17346832) |
| dc.date.none.fl_str_mv | 2019-04-05T03:00:00Z |
| dc.identifier.none.fl_str_mv | 10.3390/met9040414 |
| dc.relation.none.fl_str_mv | https://figshare.com/articles/journal_contribution/Microstructure_and_Compressive_Behavior_of_Al_Y_sub_2_sub_O_sub_3_sub_Nanocomposites_Prepared_by_Microwave-Assisted_Mechanical_Alloying/25397587 |
| dc.rights.none.fl_str_mv | CC BY 4.0 info:eu-repo/semantics/openAccess |
| dc.subject.none.fl_str_mv | Engineering Materials engineering aluminum yttrium oxide (yttria) mechanical alloying microwave sintering microstructure and mechanical properties |
| dc.title.none.fl_str_mv | Microstructure and Compressive Behavior of Al–Y<sub>2</sub>O<sub>3</sub> Nanocomposites Prepared by Microwave-Assisted Mechanical Alloying |
| dc.type.none.fl_str_mv | Text Journal contribution info:eu-repo/semantics/publishedVersion text contribution to journal |
| description | <p dir="ltr">In this study, Al–Y<sub>2</sub>O<sub>3</sub> nanocomposites were synthesized via mechanical alloying and microwave-assisted sintering. The effect of different levels of yttrium oxide on the microstructural and mechanical properties of the Al–Y<sub>2</sub>O<sub>3</sub> nanocomposites were investigated. The density of the Al–Y<sub>2</sub>O<sub>3</sub> nanocomposites increased with increasing Y<sub>2</sub>O<sub>3</sub> volume fraction in the aluminum matrix, while the porosity decreased. Scanning electron microscopy analysis of the nanocomposites showed the homogeneous distribution of the Y<sub>2</sub>O<sub>3</sub> nanoparticles in the aluminum matrix. X-ray diffraction analysis revealed the presence of yttria particles in the Al matrix. The mechanical properties of the Al–Y<sub>2</sub>O<sub>3</sub> nanocomposites increased as the addition of yttria reached to 1.5 vol. % and thereafter decreased. The microhardness first increased from 38 Hv to 81 Hv, and then decreased to 74 ± 4 Hv for 1.5 vol. % yttria. The Al–1.5 vol. % Y<sub>2</sub>O<sub>3</sub> nanocomposite exhibited the best ultimate compressive strength and yielded a strength of 359 ± 7 and 111 ± 5 MPa, respectively. The Al–Y<sub>2</sub>O<sub>3</sub> nanocomposites showed higher hardness, yield strength, and compressive strength than the microwave-assisted mechanically alloyed pure Al.</p><p dir="ltr"><br></p><h2>Other Information</h2><p dir="ltr">Published in: Metals<br>License: <a href="https://creativecommons.org/licenses/by/4.0/" target="_blank">https://creativecommons.org/licenses/by/4.0/</a><br>See article on publisher's website: <a href="https://dx.doi.org/10.3390/met9040414" target="_blank">https://dx.doi.org/10.3390/met9040414</a></p> |
| eu_rights_str_mv | openAccess |
| id | Manara2_32f31ef144b6c01ff660e15483eb920a |
| identifier_str_mv | 10.3390/met9040414 |
| network_acronym_str | Manara2 |
| network_name_str | Manara2 |
| oai_identifier_str | oai:figshare.com:article/25397587 |
| publishDate | 2019 |
| repository.mail.fl_str_mv | |
| repository.name.fl_str_mv | |
| repository_id_str | |
| rights_invalid_str_mv | CC BY 4.0 |
| spelling | Microstructure and Compressive Behavior of Al–Y<sub>2</sub>O<sub>3</sub> Nanocomposites Prepared by Microwave-Assisted Mechanical AlloyingManohar Reddy Mattli (18147568)Abdul Shakoor (5991137)Penchal Reddy Matli (18147571)Adel Mohamed Amer Mohamed (17346832)EngineeringMaterials engineeringaluminumyttrium oxide (yttria)mechanical alloyingmicrowave sinteringmicrostructure and mechanical properties<p dir="ltr">In this study, Al–Y<sub>2</sub>O<sub>3</sub> nanocomposites were synthesized via mechanical alloying and microwave-assisted sintering. The effect of different levels of yttrium oxide on the microstructural and mechanical properties of the Al–Y<sub>2</sub>O<sub>3</sub> nanocomposites were investigated. The density of the Al–Y<sub>2</sub>O<sub>3</sub> nanocomposites increased with increasing Y<sub>2</sub>O<sub>3</sub> volume fraction in the aluminum matrix, while the porosity decreased. Scanning electron microscopy analysis of the nanocomposites showed the homogeneous distribution of the Y<sub>2</sub>O<sub>3</sub> nanoparticles in the aluminum matrix. X-ray diffraction analysis revealed the presence of yttria particles in the Al matrix. The mechanical properties of the Al–Y<sub>2</sub>O<sub>3</sub> nanocomposites increased as the addition of yttria reached to 1.5 vol. % and thereafter decreased. The microhardness first increased from 38 Hv to 81 Hv, and then decreased to 74 ± 4 Hv for 1.5 vol. % yttria. The Al–1.5 vol. % Y<sub>2</sub>O<sub>3</sub> nanocomposite exhibited the best ultimate compressive strength and yielded a strength of 359 ± 7 and 111 ± 5 MPa, respectively. The Al–Y<sub>2</sub>O<sub>3</sub> nanocomposites showed higher hardness, yield strength, and compressive strength than the microwave-assisted mechanically alloyed pure Al.</p><p dir="ltr"><br></p><h2>Other Information</h2><p dir="ltr">Published in: Metals<br>License: <a href="https://creativecommons.org/licenses/by/4.0/" target="_blank">https://creativecommons.org/licenses/by/4.0/</a><br>See article on publisher's website: <a href="https://dx.doi.org/10.3390/met9040414" target="_blank">https://dx.doi.org/10.3390/met9040414</a></p>2019-04-05T03:00:00ZTextJournal contributioninfo:eu-repo/semantics/publishedVersiontextcontribution to journal10.3390/met9040414https://figshare.com/articles/journal_contribution/Microstructure_and_Compressive_Behavior_of_Al_Y_sub_2_sub_O_sub_3_sub_Nanocomposites_Prepared_by_Microwave-Assisted_Mechanical_Alloying/25397587CC BY 4.0info:eu-repo/semantics/openAccessoai:figshare.com:article/253975872019-04-05T03:00:00Z |
| spellingShingle | Microstructure and Compressive Behavior of Al–Y<sub>2</sub>O<sub>3</sub> Nanocomposites Prepared by Microwave-Assisted Mechanical Alloying Manohar Reddy Mattli (18147568) Engineering Materials engineering aluminum yttrium oxide (yttria) mechanical alloying microwave sintering microstructure and mechanical properties |
| status_str | publishedVersion |
| title | Microstructure and Compressive Behavior of Al–Y<sub>2</sub>O<sub>3</sub> Nanocomposites Prepared by Microwave-Assisted Mechanical Alloying |
| title_full | Microstructure and Compressive Behavior of Al–Y<sub>2</sub>O<sub>3</sub> Nanocomposites Prepared by Microwave-Assisted Mechanical Alloying |
| title_fullStr | Microstructure and Compressive Behavior of Al–Y<sub>2</sub>O<sub>3</sub> Nanocomposites Prepared by Microwave-Assisted Mechanical Alloying |
| title_full_unstemmed | Microstructure and Compressive Behavior of Al–Y<sub>2</sub>O<sub>3</sub> Nanocomposites Prepared by Microwave-Assisted Mechanical Alloying |
| title_short | Microstructure and Compressive Behavior of Al–Y<sub>2</sub>O<sub>3</sub> Nanocomposites Prepared by Microwave-Assisted Mechanical Alloying |
| title_sort | Microstructure and Compressive Behavior of Al–Y<sub>2</sub>O<sub>3</sub> Nanocomposites Prepared by Microwave-Assisted Mechanical Alloying |
| topic | Engineering Materials engineering aluminum yttrium oxide (yttria) mechanical alloying microwave sintering microstructure and mechanical properties |