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Densification, microstructure, and properties of W-Mo-Cu alloys prepared with nano-sized Cu powders via large electric current sintering. ADV POWDER TECHNOL 2022. [DOI: 10.1016/j.apt.2022.103703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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2
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Wang M, Deng H, Wang H, Xie Z, Zhang T, Wang X, Fang Q, Liu C, Liu X. Fabrication and stability of ultrafine ZrC nanoparticles dispersion strengthened sub-micrometer grained W alloy. FUSION ENGINEERING AND DESIGN 2021. [DOI: 10.1016/j.fusengdes.2021.112483] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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3
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Li C, Zhu D, Li X, Chen J. Performance of W-1%Y 2O 3-0.5%Ti Plasma-Facing Composite Under Fusion Relevant Transient Heat Flux. FUSION SCIENCE AND TECHNOLOGY 2021. [DOI: 10.1080/15361055.2021.1874765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Changjun Li
- Chinese Academy of Sciences, Institute of Plasma Physics, Hefei 230031, China
- University of Sciences and Technology of China, Hefei 230021, China
| | - Dahuan Zhu
- Chinese Academy of Sciences, Institute of Plasma Physics, Hefei 230031, China
| | - Xiangbin Li
- Chinese Academy of Sciences, Institute of Plasma Physics, Hefei 230031, China
- China International Nuclear Fusion Energy Program Execution Center, Beijing 100038, China
| | - Junling Chen
- Chinese Academy of Sciences, Institute of Plasma Physics, Hefei 230031, China
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4
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A Preliminary Work on the Preparation for Neutron Irradiation of Advanced Fusion Materials Using Small Samples in China. JOURNAL OF FUSION ENERGY 2021. [DOI: 10.1007/s10894-021-00296-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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5
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Yao G, Chen HY, Fu MQ, Luo LM, Zan X, Xu Q, Tokunaga K, Zhu XY, Wu YC. Deuterium irradiation resistance and relevant mechanism in W–ZrC/Sc2O3 composites prepared by spark plasma sintering. PROGRESS IN NUCLEAR ENERGY 2020. [DOI: 10.1016/j.pnucene.2019.103215] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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6
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Liu L, Fan J, Gong H. Cohesion and tensile properties of W-TiC interface under irradiation. FUSION ENGINEERING AND DESIGN 2019. [DOI: 10.1016/j.fusengdes.2019.111353] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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7
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Zhang YX, Tan XY, Zan X, Luo LM, Xu Y, Xu Q, Tokunaga K, Zhu XY, Wu YC. Effect of annealing on the microstructure behavior of D+-irradiated W-2vol.%TiC composite prepared by wet-chemical method. FUSION ENGINEERING AND DESIGN 2019. [DOI: 10.1016/j.fusengdes.2019.111321] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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8
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Isotropic thermal conductivity in rolled large-sized W-Y2O3 bulk material prepared by powder metallurgy route and rolling deformation technology. FUSION ENGINEERING AND DESIGN 2018. [DOI: 10.1016/j.fusengdes.2018.10.009] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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9
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Xu Q, Ding X, Luo L, Miyamoto M, Tokitani M, Zhang J, Wu Y. Thermal stability and evolution of microstructures induced by He irradiation in W–TiC alloys. NUCLEAR MATERIALS AND ENERGY 2018. [DOI: 10.1016/j.nme.2018.02.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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10
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Zhao M, Jacob W, Gao L, Manhard A, Dürbeck T, Zhou Z. Deuterium retention behavior of pure and Y2O3-doped tungsten investigated by nuclear reaction analysis and thermal desorption spectroscopy. NUCLEAR MATERIALS AND ENERGY 2018. [DOI: 10.1016/j.nme.2018.05.016] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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11
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Chen HY, Luo LM, Zan X, Xu Q, Tokunaga K, Liu JQ, Liu DG, Zhu XY, Cheng JG, Wu YC. Transient thermal shock behavior of W–Zr/Sc2O3 composites prepared via spark plasma sintering. FUSION ENGINEERING AND DESIGN 2018. [DOI: 10.1016/j.fusengdes.2017.11.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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12
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Oksiuta Z, Perkowski K, Osuchowski M, Zalewska M, Andrzejczuk M. Microstructure and thermal properties of mechanically alloyed W-1%TiC powder consolidated via two-step HIPping. FUSION ENGINEERING AND DESIGN 2018. [DOI: 10.1016/j.fusengdes.2017.11.010] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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13
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Preparation of TiC-doped W-Ti alloy and heat flux performance test under laser beam facility. FUSION ENGINEERING AND DESIGN 2018. [DOI: 10.1016/j.fusengdes.2017.11.026] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Waseem OA, Ryu HJ. Powder Metallurgy Processing of a W xTaTiVCr High-Entropy Alloy and Its Derivative Alloys for Fusion Material Applications. Sci Rep 2017; 7:1926. [PMID: 28512337 PMCID: PMC5434025 DOI: 10.1038/s41598-017-02168-3] [Citation(s) in RCA: 93] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Accepted: 04/07/2017] [Indexed: 11/09/2022] Open
Abstract
The WxTaTiVCr high-entropy alloy with 32at.% of tungsten (W) and its derivative alloys with 42 to 90at.% of W with in-situ TiC were prepared via the mixing of elemental W, Ta, Ti, V and Cr powders followed by spark plasma sintering for the development of reduced-activation alloys for fusion plasma-facing materials. Characterization of the sintered samples revealed a BCC lattice and a multi-phase structure. The selected-area diffraction patterns confirmed the formation of TiC in the high-entropy alloy and its derivative alloys. It revealed the development of C15 (cubic) Laves phases as well in alloys with 71 to 90at.% W. A mechanical examination of the samples revealed a more than twofold improvement in the hardness and strength due to solid-solution strengthening and dispersion strengthening. This study explored the potential of powder metallurgy processing for the fabrication of a high-entropy alloy and other derived compositions with enhanced hardness and strength.
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Affiliation(s)
- Owais Ahmed Waseem
- Department of Nuclear and Quantum Engineering, Korea Advanced Institute of Science and Technology, 291 Daehakro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Ho Jin Ryu
- Department of Nuclear and Quantum Engineering, Korea Advanced Institute of Science and Technology, 291 Daehakro, Yuseong-gu, Daejeon, 34141, Republic of Korea.
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Effect of second-phase particles on the properties of W-based materials under high-heat loading. NUCLEAR MATERIALS AND ENERGY 2016. [DOI: 10.1016/j.nme.2016.07.009] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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16
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Wang S, Luo LM, Shi J, Zan X, Zhu XY, Luo GN, Wu YC. Effect of mechanical alloying on the microstructure and properties of W–Ti alloys fabricated by spark plasma sintering. POWDER TECHNOL 2016. [DOI: 10.1016/j.powtec.2016.08.039] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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17
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Chemical Synthesis and Oxide Dispersion Properties of Strengthened Tungsten via Spark Plasma Sintering. MATERIALS 2016; 9:ma9110879. [PMID: 28773999 PMCID: PMC5457237 DOI: 10.3390/ma9110879] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Revised: 10/11/2016] [Accepted: 10/20/2016] [Indexed: 11/17/2022]
Abstract
Highly uniform oxide dispersion-strengthened materials W–1 wt % Nd2O3 and W–1 wt % CeO2 were successfully fabricated via a novel wet chemical method followed by hydrogen reduction. The powders were consolidated by spark plasma sintering at 1700 °C to suppress grain growth. The samples were characterized by performing field emission scanning electron microscopy and transmission electron microscopy analyses, Vickers microhardness measurements, thermal conductivity, and tensile testing. The oxide particles were dispersed at the tungsten grain boundaries and within the grains. The thermal conductivity of the samples at room temperature exceeded 140 W/m·K. The tensile tests indicated that W–1 wt % CeO2 exhibited a ductile–brittle transition temperature between 500 °C and 550 °C, which was a lower range than that for W–1 wt % Nd2O3. Surface topography and Vickers microhardness analyses were conducted before and after irradiations with 50 eV He ions at a fluence of 1 × 1022 m−2 for 1 h in the large-powder material irradiation experiment system. The grain boundaries of the irradiated area became more evident than that of the unirradiated area for both samples. Irradiation hardening was recognized for the W–1 wt % Nd2O3 and W–1 wt % CeO2 samples.
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Chen H, Luo L, Chen J, Zan X, Zhu X, Xu Q, Luo G, Chen J, Wu Y. Effects of zirconium element on the microstructure and deuterium retention of W-Zr/Sc2O3 composites. Sci Rep 2016; 6:32678. [PMID: 27597314 PMCID: PMC5011696 DOI: 10.1038/srep32678] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2016] [Accepted: 08/08/2016] [Indexed: 11/09/2022] Open
Abstract
Dense W and W-Zr composites reinforced with Sc2O3 particles were produced through powder metallurgy and subsequent spark plasma sintering (SPS) at 1700 °C and 58 MPa. Results showed that the W-1vol.%Zr/2vol.%Sc2O3 composites exhibited optimal performance with the best relative density of up to 98.93% and high Vickers microhardness of approximately 583 Hv. The thermal conductivity of W-Zr/Sc2O3 composites decreased initially and then increased as the Zr content increased. The moderate Zr alloying element could combine well with Sc2O3 particles and W grains and form a solid solution. However, excess Zr element leads to agglomeration in the grain boundaries. W-1vol.%Zr/2vol.%Sc2O3 composite had a good deuterium irradiation resistance very closing to pure tungsten compared with the other Zr element contents of composites. Under 500 K, D2 retention and release of them were similar to those of commercial tungsten, even lower between 400 K to 450 K. Pre-irradiation with 5 keV-He(+) ions to a fluence of 1 × 10(21) He(+)/m(2) resulted in an increase in deuterium retention (deuterium was implanted after He(+) irradiation), thereby shifting the desorption peak to a high temperature from 550 K to 650 K for the W-1vol.%Zr/2vol.%Sc2O3 composite.
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Affiliation(s)
- Hongyu Chen
- School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China
| | - Laima Luo
- School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China.,National-Local Joint Engineering Research Centre of Nonferrous Metals and Processing Technology, Hefei 230009, People's Republic of China
| | - Jingbo Chen
- School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China
| | - Xiang Zan
- School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China.,National-Local Joint Engineering Research Centre of Nonferrous Metals and Processing Technology, Hefei 230009, People's Republic of China
| | - Xiaoyong Zhu
- School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China.,National-Local Joint Engineering Research Centre of Nonferrous Metals and Processing Technology, Hefei 230009, People's Republic of China
| | - Qiu Xu
- Research Reactor Institute, Kyoto University, Osaka-fu 590-0494, Japan
| | - Guangnan Luo
- Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, People's Republic of China
| | - Junling Chen
- Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, People's Republic of China
| | - Yucheng Wu
- School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China.,National-Local Joint Engineering Research Centre of Nonferrous Metals and Processing Technology, Hefei 230009, People's Republic of China
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Hou QY, Luo LM, Huang ZY, Wang P, Ding TT, Wu YC. Comparison of W–TiC composite coatings fabricated by atmospheric plasma spraying and supersonic atmospheric plasma spraying. FUSION ENGINEERING AND DESIGN 2016. [DOI: 10.1016/j.fusengdes.2016.02.079] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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20
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Effect of mechanical milling on the microstructure of tungsten under He+ irradiation condition. FUSION ENGINEERING AND DESIGN 2015. [DOI: 10.1016/j.fusengdes.2015.08.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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21
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Tan XY, Luo LM, Chen HY, Li P, Luo GN, Zan X, Cheng JG, Wu YC. Synthesis and formation mechanism of W/TiC composite powders by a wet chemical route. POWDER TECHNOL 2015. [DOI: 10.1016/j.powtec.2015.04.051] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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22
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Tan X, Luo L, Chen H, Zhu X, Zan X, Luo G, Chen J, Li P, Cheng J, Liu D, Wu Y. Mechanical properties and microstructural change of W-Y2O3 alloy under helium irradiation. Sci Rep 2015; 5:12755. [PMID: 26227480 PMCID: PMC4521205 DOI: 10.1038/srep12755] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2015] [Accepted: 07/09/2015] [Indexed: 11/09/2022] Open
Abstract
A wet-chemical method combined with spark plasma sintering was used to prepare a W–Y2O3 alloy. High-temperature tensile tests and nano-indentation microhardness tests were used to characterize the mechanical properties of the alloy. After He-ion irradiation, fuzz and He bubbles were observed on the irradiated surface. The irradiation embrittlement was reflected by the crack indentations formed during the microhardness tests. A phase transformation from α-W to γ-W was investigated by X-ray diffraction (XRD) and transmission electron microscopy (TEM). Polycrystallization and amorphization were also observed in the irradiation damage layer. The W materials tended to exhibit lattice distortion, amorphization, polycrystallization and phase transformation under He-ion irradiation. The transformation mechanism predicted by the atomic lattice model was consistent with the available experimental observations. These findings clarify the mechanism of the structural transition of W under ion irradiation and provide a clue for identifying materials with greater irradiation resistance.
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Affiliation(s)
- Xiaoyue Tan
- School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China
| | - Laima Luo
- School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China.,National-Local Joint Engineering Research Centre of Nonferrous Metals and Processing Technology, Hefei 230009, People's Republic of China
| | - Hongyu Chen
- School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China
| | - Xiaoyong Zhu
- School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China.,National-Local Joint Engineering Research Centre of Nonferrous Metals and Processing Technology, Hefei 230009, People's Republic of China
| | - Xiang Zan
- School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China.,National-Local Joint Engineering Research Centre of Nonferrous Metals and Processing Technology, Hefei 230009, People's Republic of China
| | - Guangnan Luo
- Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, People's Republic of China
| | - Junling Chen
- Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, People's Republic of China
| | - Ping Li
- School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China.,National-Local Joint Engineering Research Centre of Nonferrous Metals and Processing Technology, Hefei 230009, People's Republic of China
| | - Jigui Cheng
- School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China.,National-Local Joint Engineering Research Centre of Nonferrous Metals and Processing Technology, Hefei 230009, People's Republic of China
| | - Dongping Liu
- School of Physics and Materials Engineering, Dalian Nationalities University, Dalian 116600, People's Republic of China
| | - Yucheng Wu
- School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China.,National-Local Joint Engineering Research Centre of Nonferrous Metals and Processing Technology, Hefei 230009, People's Republic of China
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