Microstructure induced duplex Hall-Petch effect and its strengthening/toughening mechanisms in SiC@TC4 composites prepared by spark plasma sintering
Microstructure induced duplex Hall-Petch effect and its strengthening/toughening mechanisms in SiC@TC4 composites prepared by spark plasma sintering were systematically investigated in the current study. The microstructure characterization demonstrated that SiC additions significantly tailored the m...
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| Format: | Article |
| Language: | English |
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Elsevier
2024-03-01
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| Series: | Journal of Materials Research and Technology |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785424003259 |
| _version_ | 1797247880912699392 |
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| author | Shixing Huang Shuai Lei Zhong Yang Qinyang Zhao Yongqing Zhao Cheng Lin Jiashi Yu |
| author_facet | Shixing Huang Shuai Lei Zhong Yang Qinyang Zhao Yongqing Zhao Cheng Lin Jiashi Yu |
| author_sort | Shixing Huang |
| collection | DOAJ |
| description | Microstructure induced duplex Hall-Petch effect and its strengthening/toughening mechanisms in SiC@TC4 composites prepared by spark plasma sintering were systematically investigated in the current study. The microstructure characterization demonstrated that SiC additions significantly tailored the microstructure of SiC@TC4 composites. The SiC additions distinctly refined the grain size of SiC@TC4 composites. Increasing SiC addition also changed the microstructure of SiC@TC4 composites from the Widmanstätten type to the duplex type. Large SiC addition almost inhibited the formation of continuous αGB phase in SiC@TC4 composites. The growth of α phase was promoted due to the energy storage effect inside the TC4 alloy powders during the sintering process. SiC addition distinctly improved the tensile strength while seriously deteriorating the plasticity of SiC@TC4 composites compared to that of TC4 alloy. However, SiC@TC4 composites with various SiC additions exhibited the similar plasticity. SiC additions also resulted in different tribological properties of SiC@TC4 composites. The TC4-0.1SiC exhibited the worse tribological properties than that of TC4 alloy due to the softened matrix and low SiC addition. TC4-0.3SiC and TC4-0.5SiC composites exhibited the more excellent tribological properties due to the more SiC addition. A duplex Hall-Petch model was proposed to evaluate the multiple strengthening and toughening mechanisms in the SiC@TC4 composites. |
| first_indexed | 2024-03-08T03:31:25Z |
| format | Article |
| id | doaj.art-8178426504be442d84cb58061f48954d |
| institution | Directory Open Access Journal |
| issn | 2238-7854 |
| language | English |
| last_indexed | 2024-04-24T20:05:44Z |
| publishDate | 2024-03-01 |
| publisher | Elsevier |
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| series | Journal of Materials Research and Technology |
| spelling | doaj.art-8178426504be442d84cb58061f48954d2024-03-24T06:58:03ZengElsevierJournal of Materials Research and Technology2238-78542024-03-012928072818Microstructure induced duplex Hall-Petch effect and its strengthening/toughening mechanisms in SiC@TC4 composites prepared by spark plasma sinteringShixing Huang0Shuai Lei1Zhong Yang2Qinyang Zhao3Yongqing Zhao4Cheng Lin5Jiashi Yu6Xi'an Technological University, School of Materials Science and Chemical Engineering, Xi'an, 710021, China; Corresponding author.Xi'an Technological University, School of Materials Science and Chemical Engineering, Xi'an, 710021, ChinaXi'an Technological University, School of Materials Science and Chemical Engineering, Xi'an, 710021, China; Corresponding author.School of Material Science and Engineering, Chang'an University, Xi'an, 710064, ChinaNorthwest Institute for Nonferrous Metal Research, Xi'an, 710016, ChinaSchool of Mechanical Engineering, Liaoning Petrochemical University, Fushun, 113001, ChinaXi'an Surface Material Protection Co., Ltd., Xi'an, 710018, ChinaMicrostructure induced duplex Hall-Petch effect and its strengthening/toughening mechanisms in SiC@TC4 composites prepared by spark plasma sintering were systematically investigated in the current study. The microstructure characterization demonstrated that SiC additions significantly tailored the microstructure of SiC@TC4 composites. The SiC additions distinctly refined the grain size of SiC@TC4 composites. Increasing SiC addition also changed the microstructure of SiC@TC4 composites from the Widmanstätten type to the duplex type. Large SiC addition almost inhibited the formation of continuous αGB phase in SiC@TC4 composites. The growth of α phase was promoted due to the energy storage effect inside the TC4 alloy powders during the sintering process. SiC addition distinctly improved the tensile strength while seriously deteriorating the plasticity of SiC@TC4 composites compared to that of TC4 alloy. However, SiC@TC4 composites with various SiC additions exhibited the similar plasticity. SiC additions also resulted in different tribological properties of SiC@TC4 composites. The TC4-0.1SiC exhibited the worse tribological properties than that of TC4 alloy due to the softened matrix and low SiC addition. TC4-0.3SiC and TC4-0.5SiC composites exhibited the more excellent tribological properties due to the more SiC addition. A duplex Hall-Petch model was proposed to evaluate the multiple strengthening and toughening mechanisms in the SiC@TC4 composites.http://www.sciencedirect.com/science/article/pii/S2238785424003259Titanium matrix compositeMicrostructureTensile propertiesTribological performanceSiC reinforcement |
| spellingShingle | Shixing Huang Shuai Lei Zhong Yang Qinyang Zhao Yongqing Zhao Cheng Lin Jiashi Yu Microstructure induced duplex Hall-Petch effect and its strengthening/toughening mechanisms in SiC@TC4 composites prepared by spark plasma sintering Journal of Materials Research and Technology Titanium matrix composite Microstructure Tensile properties Tribological performance SiC reinforcement |
| title | Microstructure induced duplex Hall-Petch effect and its strengthening/toughening mechanisms in SiC@TC4 composites prepared by spark plasma sintering |
| title_full | Microstructure induced duplex Hall-Petch effect and its strengthening/toughening mechanisms in SiC@TC4 composites prepared by spark plasma sintering |
| title_fullStr | Microstructure induced duplex Hall-Petch effect and its strengthening/toughening mechanisms in SiC@TC4 composites prepared by spark plasma sintering |
| title_full_unstemmed | Microstructure induced duplex Hall-Petch effect and its strengthening/toughening mechanisms in SiC@TC4 composites prepared by spark plasma sintering |
| title_short | Microstructure induced duplex Hall-Petch effect and its strengthening/toughening mechanisms in SiC@TC4 composites prepared by spark plasma sintering |
| title_sort | microstructure induced duplex hall petch effect and its strengthening toughening mechanisms in sic tc4 composites prepared by spark plasma sintering |
| topic | Titanium matrix composite Microstructure Tensile properties Tribological performance SiC reinforcement |
| url | http://www.sciencedirect.com/science/article/pii/S2238785424003259 |
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