Quantitative Strengthening Evaluation of Powder Metallurgy Titanium Alloys with Substitutional Zr and Interstitial O Solutes via Homogenization Heat Treatment

The decomposition behavior of ZrO<sub>2</sub> particles and uniform distribution of Zr and O solutes were investigated by employing in situ scanning electron microscope-electron backscatter diffraction (SEM-EBSD) analysis and thermogravimetric-differential thermal analysis (TG-DTA) to op...

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Autores principales:	Katsuyoshi Kondoh, Shota Kariya, Anak Khantachawana, Abdulaziz Alhazaa, Junko Umeda
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	powder metallurgy Ti-Zr-O alloy decomposition homogenization water-quenching grain refinement solid-solution Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
Acceso en línea:	https://doaj.org/article/b76f41c0b1c9484b8944843a3936991f
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spelling	oai:doaj.org-article:b76f41c0b1c9484b8944843a3936991f2021-11-11T18:06:57ZQuantitative Strengthening Evaluation of Powder Metallurgy Titanium Alloys with Substitutional Zr and Interstitial O Solutes via Homogenization Heat Treatment10.3390/ma142165611996-1944https://doaj.org/article/b76f41c0b1c9484b8944843a3936991f2021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/21/6561https://doaj.org/toc/1996-1944The decomposition behavior of ZrO<sub>2</sub> particles and uniform distribution of Zr and O solutes were investigated by employing in situ scanning electron microscope-electron backscatter diffraction (SEM-EBSD) analysis and thermogravimetric-differential thermal analysis (TG-DTA) to optimize the process conditions in preparing Ti-Zr-O alloys from the pre-mixed pure Ti powder and ZrO<sub>2</sub> particles. The extruded Ti-Zr-O alloys via homogenization and water-quenching treatment were found to have a uniform distribution of Zr and O solutes in the matrix and also showed a remarkable improvement in the mechanical properties, for example, the yield stress of Ti-3 wt.% ZrO<sub>2</sub> sample (1144.5 MPa) is about 2.5 times more than the amount of yield stress of pure Ti (471.4 MPa). Furthermore, the oxygen solid-solution was dominant in the yield stress increment, and the experimental data agreed well with the calculation results estimated using the Hall-Petch equation and Labusch model.Katsuyoshi KondohShota KariyaAnak KhantachawanaAbdulaziz AlhazaaJunko UmedaMDPI AGarticlepowder metallurgy Ti-Zr-O alloydecompositionhomogenizationwater-quenchinggrain refinementsolid-solutionTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6561, p 6561 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	powder metallurgy Ti-Zr-O alloy decomposition homogenization water-quenching grain refinement solid-solution Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
spellingShingle	powder metallurgy Ti-Zr-O alloy decomposition homogenization water-quenching grain refinement solid-solution Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Katsuyoshi Kondoh Shota Kariya Anak Khantachawana Abdulaziz Alhazaa Junko Umeda Quantitative Strengthening Evaluation of Powder Metallurgy Titanium Alloys with Substitutional Zr and Interstitial O Solutes via Homogenization Heat Treatment
description	The decomposition behavior of ZrO<sub>2</sub> particles and uniform distribution of Zr and O solutes were investigated by employing in situ scanning electron microscope-electron backscatter diffraction (SEM-EBSD) analysis and thermogravimetric-differential thermal analysis (TG-DTA) to optimize the process conditions in preparing Ti-Zr-O alloys from the pre-mixed pure Ti powder and ZrO<sub>2</sub> particles. The extruded Ti-Zr-O alloys via homogenization and water-quenching treatment were found to have a uniform distribution of Zr and O solutes in the matrix and also showed a remarkable improvement in the mechanical properties, for example, the yield stress of Ti-3 wt.% ZrO<sub>2</sub> sample (1144.5 MPa) is about 2.5 times more than the amount of yield stress of pure Ti (471.4 MPa). Furthermore, the oxygen solid-solution was dominant in the yield stress increment, and the experimental data agreed well with the calculation results estimated using the Hall-Petch equation and Labusch model.
format	article
author	Katsuyoshi Kondoh Shota Kariya Anak Khantachawana Abdulaziz Alhazaa Junko Umeda
author_facet	Katsuyoshi Kondoh Shota Kariya Anak Khantachawana Abdulaziz Alhazaa Junko Umeda
author_sort	Katsuyoshi Kondoh
title	Quantitative Strengthening Evaluation of Powder Metallurgy Titanium Alloys with Substitutional Zr and Interstitial O Solutes via Homogenization Heat Treatment
title_short	Quantitative Strengthening Evaluation of Powder Metallurgy Titanium Alloys with Substitutional Zr and Interstitial O Solutes via Homogenization Heat Treatment
title_full	Quantitative Strengthening Evaluation of Powder Metallurgy Titanium Alloys with Substitutional Zr and Interstitial O Solutes via Homogenization Heat Treatment
title_fullStr	Quantitative Strengthening Evaluation of Powder Metallurgy Titanium Alloys with Substitutional Zr and Interstitial O Solutes via Homogenization Heat Treatment
title_full_unstemmed	Quantitative Strengthening Evaluation of Powder Metallurgy Titanium Alloys with Substitutional Zr and Interstitial O Solutes via Homogenization Heat Treatment
title_sort	quantitative strengthening evaluation of powder metallurgy titanium alloys with substitutional zr and interstitial o solutes via homogenization heat treatment
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/b76f41c0b1c9484b8944843a3936991f
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Quantitative Strengthening Evaluation of Powder Metallurgy Titanium Alloys with Substitutional Zr and Interstitial O Solutes via Homogenization Heat Treatment

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