One-step preparation, microstructure and properties of WRe/TZM gradient material for X-ray tube of CT scanner
WRe/TZM gradient material was successfully fabricated simultaneously by spark plasma sintering technique with the gradient die to achieve the one-step bonding. The gradient sintering behavior and the effect of the sintering parameters on microstructure and mechanical properties of WRe/TZM joint were...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2021-11-01
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| Series: | Journal of Materials Research and Technology |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785421010978 |
| _version_ | 1819099400165654528 |
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| author | Cuiliu Han Xinyu Yang Binrong Nong Zhongwen Zhu Jiuxing Zhang |
| author_facet | Cuiliu Han Xinyu Yang Binrong Nong Zhongwen Zhu Jiuxing Zhang |
| author_sort | Cuiliu Han |
| collection | DOAJ |
| description | WRe/TZM gradient material was successfully fabricated simultaneously by spark plasma sintering technique with the gradient die to achieve the one-step bonding. The gradient sintering behavior and the effect of the sintering parameters on microstructure and mechanical properties of WRe/TZM joint were investigated. The results showed that the powders of WRe and TZM alloys could be densified and bonded simultaneously using gradient die to construct different sintering temperatures, and the relative densities of gradient material with WRe and TZM alloys were over 98%. The optimal joint with no pores and cracks was obtained at T = 1600 °C, t = 8 min and P = 30 MPa, under which the joint has the highest shear strength of 279.92 MPa. The Berkovich hardness of interface was mainly affected by the grain size and the solid solution of W and Mo. The resistance to creep at interface was between WRe alloy and TZM alloy. The joint exhibited excellent thermal diffusivity of 44.86 mm2/s. The WRe/TZM gradient material with excellent properties indicates this process is a promising technique route for fabricate the anode target for X-ray tube of CT scanner. |
| first_indexed | 2024-12-22T00:46:16Z |
| format | Article |
| id | doaj.art-b9131f61dd0e4bb48b91971c1c56e354 |
| institution | Directory Open Access Journal |
| issn | 2238-7854 |
| language | English |
| last_indexed | 2024-12-22T00:46:16Z |
| publishDate | 2021-11-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj.art-b9131f61dd0e4bb48b91971c1c56e3542022-12-21T18:44:33ZengElsevierJournal of Materials Research and Technology2238-78542021-11-011526462657One-step preparation, microstructure and properties of WRe/TZM gradient material for X-ray tube of CT scannerCuiliu Han0Xinyu Yang1Binrong Nong2Zhongwen Zhu3Jiuxing Zhang4School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, ChinaCorresponding author.; School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, ChinaSchool of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, ChinaSchool of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, ChinaCorresponding author.; School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, ChinaWRe/TZM gradient material was successfully fabricated simultaneously by spark plasma sintering technique with the gradient die to achieve the one-step bonding. The gradient sintering behavior and the effect of the sintering parameters on microstructure and mechanical properties of WRe/TZM joint were investigated. The results showed that the powders of WRe and TZM alloys could be densified and bonded simultaneously using gradient die to construct different sintering temperatures, and the relative densities of gradient material with WRe and TZM alloys were over 98%. The optimal joint with no pores and cracks was obtained at T = 1600 °C, t = 8 min and P = 30 MPa, under which the joint has the highest shear strength of 279.92 MPa. The Berkovich hardness of interface was mainly affected by the grain size and the solid solution of W and Mo. The resistance to creep at interface was between WRe alloy and TZM alloy. The joint exhibited excellent thermal diffusivity of 44.86 mm2/s. The WRe/TZM gradient material with excellent properties indicates this process is a promising technique route for fabricate the anode target for X-ray tube of CT scanner.http://www.sciencedirect.com/science/article/pii/S2238785421010978WRe alloyTZM alloyGradient materialSpark plasma sinteringMicrostructureNanoindentation |
| spellingShingle | Cuiliu Han Xinyu Yang Binrong Nong Zhongwen Zhu Jiuxing Zhang One-step preparation, microstructure and properties of WRe/TZM gradient material for X-ray tube of CT scanner Journal of Materials Research and Technology WRe alloy TZM alloy Gradient material Spark plasma sintering Microstructure Nanoindentation |
| title | One-step preparation, microstructure and properties of WRe/TZM gradient material for X-ray tube of CT scanner |
| title_full | One-step preparation, microstructure and properties of WRe/TZM gradient material for X-ray tube of CT scanner |
| title_fullStr | One-step preparation, microstructure and properties of WRe/TZM gradient material for X-ray tube of CT scanner |
| title_full_unstemmed | One-step preparation, microstructure and properties of WRe/TZM gradient material for X-ray tube of CT scanner |
| title_short | One-step preparation, microstructure and properties of WRe/TZM gradient material for X-ray tube of CT scanner |
| title_sort | one step preparation microstructure and properties of wre tzm gradient material for x ray tube of ct scanner |
| topic | WRe alloy TZM alloy Gradient material Spark plasma sintering Microstructure Nanoindentation |
| url | http://www.sciencedirect.com/science/article/pii/S2238785421010978 |
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