Microparticles of High Entropy Alloys Made by Laser-Induced Forward Transfer
The controlled deposition of CoCrFeNiMo<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mrow><mn>0.2</mn></mrow></msub></semantics></math>...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-11-01
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| Series: | Materials |
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| Online Access: | https://www.mdpi.com/1996-1944/15/22/8063 |
| _version_ | 1797464758530605056 |
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| author | Molong Han Ashok Meghwal Soon Hock Ng Daniel Smith Haoran Mu Tomas Katkus De Ming Zhu Reiza Mukhlis Jitraporn Vongsvivut Christopher C. Berndt Andrew S. M. Ang Saulius Juodkazis |
| author_facet | Molong Han Ashok Meghwal Soon Hock Ng Daniel Smith Haoran Mu Tomas Katkus De Ming Zhu Reiza Mukhlis Jitraporn Vongsvivut Christopher C. Berndt Andrew S. M. Ang Saulius Juodkazis |
| author_sort | Molong Han |
| collection | DOAJ |
| description | The controlled deposition of CoCrFeNiMo<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mrow><mn>0.2</mn></mrow></msub></semantics></math></inline-formula> high-entropy alloy (HEA) microparticles was achieved by using laser-induced forward transfer (LIFT). Ultra-short laser pulses of 230 fs of 515 nm wavelength were tightly focused into ∼2.4 μm focal spots on the ∼50-nm thick plasma-sputtered films of CoCrFeNiMo<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mrow><mn>0.2</mn></mrow></msub></semantics></math></inline-formula>. The morphology of HEA microparticles can be controlled at different fluences. The HEA films were transferred onto glass substrates by magnetron sputtering in a vacuum (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mn>10</mn><mrow><mo>−</mo><mn>8</mn></mrow></msup></semantics></math></inline-formula> atm) from the thermal spray-coated substrates. The absorption coefficient of CoCrFeNiMo<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mrow><mn>0.2</mn></mrow></msub></semantics></math></inline-formula><inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>α</mi><mo>≈</mo><mn>6</mn><mo>×</mo><msup><mn>10</mn><mn>5</mn></msup></mrow></semantics></math></inline-formula> cm<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mrow></mrow><mrow><mo>−</mo><mn>1</mn></mrow></msup></semantics></math></inline-formula> was determined at 600-nm wavelength. The real and imaginary parts of the refractive index <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mo>(</mo><mi>n</mi><mo>+</mo><mi>i</mi><mi>κ</mi><mo>)</mo></mrow></semantics></math></inline-formula> of HEA were determined from reflectance and transmittance by using nanofilms. |
| first_indexed | 2024-03-09T18:11:48Z |
| format | Article |
| id | doaj.art-6b88a0e7004f4def839e5d6436d65a04 |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-09T18:11:48Z |
| publishDate | 2022-11-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Materials |
| spelling | doaj.art-6b88a0e7004f4def839e5d6436d65a042023-11-24T09:03:30ZengMDPI AGMaterials1996-19442022-11-011522806310.3390/ma15228063Microparticles of High Entropy Alloys Made by Laser-Induced Forward TransferMolong Han0Ashok Meghwal1Soon Hock Ng2Daniel Smith3Haoran Mu4Tomas Katkus5De Ming Zhu6Reiza Mukhlis7Jitraporn Vongsvivut8Christopher C. Berndt9Andrew S. M. Ang10Saulius Juodkazis11Optical Sciences Centre and ARC Training Centre in Surface Engineering for Advanced Materials (SEAM), School of Science, Swinburne University of Technology, Hawthorn, VIC 3122, AustraliaAustralian Research Council (ARC) Industrial Transformation Training Centre on Surface Engineering for Advanced Materials (SEAM), Swinburne University of Technology, Hawthorn, VIC 3122, AustraliaOptical Sciences Centre and ARC Training Centre in Surface Engineering for Advanced Materials (SEAM), School of Science, Swinburne University of Technology, Hawthorn, VIC 3122, AustraliaOptical Sciences Centre and ARC Training Centre in Surface Engineering for Advanced Materials (SEAM), School of Science, Swinburne University of Technology, Hawthorn, VIC 3122, AustraliaOptical Sciences Centre and ARC Training Centre in Surface Engineering for Advanced Materials (SEAM), School of Science, Swinburne University of Technology, Hawthorn, VIC 3122, AustraliaOptical Sciences Centre and ARC Training Centre in Surface Engineering for Advanced Materials (SEAM), School of Science, Swinburne University of Technology, Hawthorn, VIC 3122, AustraliaAcademic Operations Unit, Swinburne University of Technology, Hawthorn, VIC 3122, AustraliaAcademic Operations Unit, Swinburne University of Technology, Hawthorn, VIC 3122, AustraliaANSTO-Australian Synchrotron, Infrared Microspectroscopy (IRM) Beamline, 800 Blackburn Road, Clayton, VIC 3168, AustraliaAustralian Research Council (ARC) Industrial Transformation Training Centre on Surface Engineering for Advanced Materials (SEAM), Swinburne University of Technology, Hawthorn, VIC 3122, AustraliaAustralian Research Council (ARC) Industrial Transformation Training Centre on Surface Engineering for Advanced Materials (SEAM), Swinburne University of Technology, Hawthorn, VIC 3122, AustraliaOptical Sciences Centre and ARC Training Centre in Surface Engineering for Advanced Materials (SEAM), School of Science, Swinburne University of Technology, Hawthorn, VIC 3122, AustraliaThe controlled deposition of CoCrFeNiMo<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mrow><mn>0.2</mn></mrow></msub></semantics></math></inline-formula> high-entropy alloy (HEA) microparticles was achieved by using laser-induced forward transfer (LIFT). Ultra-short laser pulses of 230 fs of 515 nm wavelength were tightly focused into ∼2.4 μm focal spots on the ∼50-nm thick plasma-sputtered films of CoCrFeNiMo<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mrow><mn>0.2</mn></mrow></msub></semantics></math></inline-formula>. The morphology of HEA microparticles can be controlled at different fluences. The HEA films were transferred onto glass substrates by magnetron sputtering in a vacuum (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mn>10</mn><mrow><mo>−</mo><mn>8</mn></mrow></msup></semantics></math></inline-formula> atm) from the thermal spray-coated substrates. The absorption coefficient of CoCrFeNiMo<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mrow><mn>0.2</mn></mrow></msub></semantics></math></inline-formula><inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>α</mi><mo>≈</mo><mn>6</mn><mo>×</mo><msup><mn>10</mn><mn>5</mn></msup></mrow></semantics></math></inline-formula> cm<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mrow></mrow><mrow><mo>−</mo><mn>1</mn></mrow></msup></semantics></math></inline-formula> was determined at 600-nm wavelength. The real and imaginary parts of the refractive index <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mo>(</mo><mi>n</mi><mo>+</mo><mi>i</mi><mi>κ</mi><mo>)</mo></mrow></semantics></math></inline-formula> of HEA were determined from reflectance and transmittance by using nanofilms.https://www.mdpi.com/1996-1944/15/22/8063laser-induced forward transferhigh-entropy alloysmicroparticles |
| spellingShingle | Molong Han Ashok Meghwal Soon Hock Ng Daniel Smith Haoran Mu Tomas Katkus De Ming Zhu Reiza Mukhlis Jitraporn Vongsvivut Christopher C. Berndt Andrew S. M. Ang Saulius Juodkazis Microparticles of High Entropy Alloys Made by Laser-Induced Forward Transfer Materials laser-induced forward transfer high-entropy alloys microparticles |
| title | Microparticles of High Entropy Alloys Made by Laser-Induced Forward Transfer |
| title_full | Microparticles of High Entropy Alloys Made by Laser-Induced Forward Transfer |
| title_fullStr | Microparticles of High Entropy Alloys Made by Laser-Induced Forward Transfer |
| title_full_unstemmed | Microparticles of High Entropy Alloys Made by Laser-Induced Forward Transfer |
| title_short | Microparticles of High Entropy Alloys Made by Laser-Induced Forward Transfer |
| title_sort | microparticles of high entropy alloys made by laser induced forward transfer |
| topic | laser-induced forward transfer high-entropy alloys microparticles |
| url | https://www.mdpi.com/1996-1944/15/22/8063 |
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