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Wang, Lei (author), Zhao, Ning (author), Zhu, Changrui (author), Chen, Lei (author), Jiang, Yang (author), Zhou, Rulong (author), Liu, Yanfang (author), Qu, Bingyan (author), Hintzen, H.T.J.M. (author)
In the field of solid-state luminescence, Cu<sup>2+</sup> has long been widely acknowledged for its capacity to emit infrared light. However, the occurrence of visible emission from Cu<sup>2+</sup> ions had been infrequently observed and reported. In this study, we made an intriguing discovery by examining the behavior of Cu<sup>2+</sup>...
journal article 2024
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Chen, Wei (author), Liu, Xu (author), Hu, D. (author), Liu, X. (author), Zhu, Xi (author), Fan, Xuejun (author), Zhang, Kouchi (author), Fan, J. (author)
During operation in environments containing hydrogen sulfide (H<sub>2</sub>S), such as in offshore and coastal environments, sintered nanoCu in power electronics is susceptible to degradation caused by corrosion. In this study, experimental and molecular dynamics (MD) simulation analyses were conducted to investigate the evolution and...
journal article 2024
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Wang, X. (author), Corzo, Gerald (author), Lü, Haishen (author), Zhou, Shiliang (author), Mao, K. (author), Zhu, Yonghua (author), Duarte Prieto, F.S. (author), Liu, Mingwen (author), Su, Jianbin (author)
Sub-seasonal drought forecasting is crucial for early warning in estimating agricultural production and optimizing irrigation management, as forecasting skills are relatively weak during this period. Soil moisture exhibits stronger persistence compared to other climate system quantities, which makes it especially influential in shaping land...
journal article 2024
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Chen, Wei (author), Liu, Xu (author), Yang, Zhoudong (author), Liu, X. (author), Hu, D. (author), Zhu, Xi (author), Fan, X. (author), Zhang, Kouchi (author), Fan, J. (author)
The power semiconductor joining technology through sintering of copper nanoparticles is well-suited for die attachment in wide bandgap (WBG) semiconductors, offering high electrical, thermal, and mechanical performances. However, sintered nanocopper will be prone to degradation resulting from corrosion in sulfur-containing corrosive...
journal article 2024
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Liu, M. (author), Zhu, Jia-Ning (author), Popovich, V. (author), Borisov, E. (author), Mol, J.M.C. (author), Gonzalez Garcia, Y. (author)
Electrochemical tests and surface analysis measurements were performed to study the corrosion behavior in a 0.9 wt.% NaCl solution at 37 °C of three NiTi shape memory alloys fabricated by laser-powder bed fusion (L-PBF). The passive film characteristics and corrosion resistance of L-PBF NiTi showed different features as a function of their...
journal article 2023
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Zhu, Jia-Ning (author), Liu, K. (author), Riemslag, A.C. (author), Tichelaar, F.D. (author), Borisov, Evgenii (author), Yao, Xiyu (author), Popovich, Anatoly (author), Huizenga, R.M. (author), Hermans, M.J.M. (author), Popovich, V. (author)
Superelastic metallic materials possessing large recoverable strains are widely used in automotive, aerospace and energy conversion industries. Superelastic materials working at high temperatures and with a wide temperature range are increasingly required for demanding applications. Until recently, high-temperature superelasticity has only...
journal article 2023
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Liu, M. (author), Zhu, Jia-Ning (author), Popovich, V. (author), Borisov, E. (author), Mol, J.M.C. (author), Gonzalez Garcia, Y. (author)
Electrochemical tests and surface analysis were applied to study the corrosion behavior and passive film characteristics of three-dimensional-printed NiTi shape memory alloys fabricated by laser-powder bed fusion (L-PBF) in artificial saliva at 37 °C. The passivity of L-PBF NiTi shows to be influenced by the process parameters and resulting...
journal article 2023
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Bai, Wei (author), Xu, X. (author), Liu, Yaolan (author), Liang, Yunxiao (author), Shen, Yijie (author), Han, Zhenyu (author), Sheng, Zhendong (author), Chen, Rong (author), Zhu, Minhao (author)
Systematic experimental investigations were conducted to study the microstructures and impact toughness of each heat affected zone (HAZ) formed during rail flash-butt welding. A high-strength carbide-free bainitic rail steel was subjected to different thermal simulation cycles to separately reproduce each HAZ subzone by tailoring the peak...
journal article 2023
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Chen, Yangkun (author), Yu, Chenghui (author), Zhu, Hengman (author), Liu, Shuai (author), Zhang, Yibing (author), Suarez, Joseph (author), Zhao, Liang (author), He, J. (author), Chen, Jiaxin (author)
We present the results of the second Neural MMO challenge, hosted at IJCAI 2022, which received 1600+ submissions. This competition targets robustness and generalization in multi-agent systems: participants train teams of agents to complete a multi-task objective against opponents not seen during training. We summarize the competition design...
journal article 2023
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Zhang, X. (author), Liu, Mingqiang (author), Le, Yun (author), Wei, Jianjun (author), Zhu, Yongsong (author), Li, Yongkui (author)
Given that a strong owner has been identified as an important factor in the success of megaprojects, there has been a growing recognition of the importance of megaproject owner organizational capabilities. However, the questions of what organizational capabilities do owners need to foster successful megaprojects, and whether these...
journal article 2023
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Hua, Zhongsheng (author), Wu, Xiaobin (author), Zhu, Zengli (author), He, Jiwen (author), He, Shiwei (author), Liu, Huan (author), Xu, Liang (author), Yang, Y. (author), Zhao, Zhuo (author)
Exploring more efficient and low-cost electrocatalysts to replace platinum (Pt) is highly desired to promote the practical hydrogen production through water splitting. Herein, a facile and effective strategy is proposed to fabricate self-standing Al<sub>3</sub>Ni<sub>2</sub>/Ni electrode with controlled phase composition and surface...
journal article 2022
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Liu, Mingqiang (author), Zhu, Yongsong (author), Wei, Jianjun (author), Le, Yun (author), Zhang, X. (author)
External program manager involvement can provide professional and systematic management services to owners. It can help to manage and coordinate different subprojects and ensure the achievement of the overall strategic goals of large projects. The promotion of external program manager involvement is not only efficiency-driven, but the...
journal article 2022
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Zhu, Yonghan (author), Janssen, M.F.W.H.A. (author), Wang, Rui (author), Liu, Yang (author)
The global spread of COVID-19 has caused a huge number of confirmed cases and deaths, which in return leads to a plethora of mental disorders across the world. In order to address citizens’ psychological problems, government agencies in many countries have employed AI-based chatbots to provide mental health services. However, there is a...
journal article 2021
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Liu, Chen-Ching (author), Bedoya, Juan C. (author), Sahani, Nitasha (author), Stefanov, Alexandru (author), Appiah-Kubi, Jennifer (author), Sun, Chih Che (author), Lee, Jin Young (author), Zhu, Ruoxi (author)
The Information and Communications Technology (ICT) for control and monitoring of power systems is a layer on top of the physical power system infrastructure. The cyber system and physical power system components form a tightly coupled Cyber-Physical System (CPS). Sources of vulnerabilities arise from the computing and communication systems...
journal article 2021
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Sun, Xiaoliang (author), Zhou, Guanggang (author), Liu, Z. (author), Zhu, Jianwei (author), Guo, Fengzhi (author), Chen, Junqing (author), He, Wenhao (author), Wang, Ning (author), Zhao, Ge (author), Lu, Guiwu (author)
The controllability of mining is a key factor affecting the commercial application of methane hydrates, and the addition of chemical additives can significantly accelerate the mining process. However, the effect of additive concentration on hydrate decomposition is not yet well understood. In this study, we systematically investigate the...
journal article 2021
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Liu, Guoshuai (author), Zhu, Yukun (author), Yan, Qun (author), Wang, Han (author), Wu, Peng (author), Shen, Yaoliang (author), Doekhi-Bennani, Y. (author)
Removal of bromate (BrO<sub>3</sub><sup>−</sup>) has gained increasing attention in drinking water treatment process. Photocatalysis technology is an effective strategy for bromate removal. During the photocatalytic reduction of bromate process, the photo-generated electrons are reductive species toward bromate reduction and photo-generated...
journal article 2021
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Wang, H. (author), Apostolidis, P. (author), Zhu, Jiqing (author), Liu, X. (author), Scarpas, Athanasios (author), Erkens, S. (author)
Waste tire rubber has been incorporated into asphalt modification for decades due to its various benefits. There are two main mechanisms during bitumen–rubber interaction: rubber swelling and chemical degradation. This study surveys these two processes from the viewpoint of polymer science. The kinetics of rubber dissolution and...
journal article 2020
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Li, Z. (author), Jiang, X. (author), Hopman, J. (author), Zhu, Ling (author), Liu, Zhiping (author)
In this paper, we analyse the surface crack growth in the Fibre-Reinforced Polymer (FRP) reinforced steel plates subjected to tension by means of the finite element (FE) method. Following the experimental study, a three-dimensional FE model is developed to evaluate the Stress Intensity Factor (SIF) of the surface crack, and the crack growth...
journal article 2020
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Li, Z. (author), Jiang, X. (author), Hopman, J.J. (author), Zhu, Ling (author), Liu, Z. (author), Tang, Weiguo (author)
Surface cracked steel plates reinforced with single-side Fiber-Reinforced Polymer (FRP) subjected to cyclic tension are experimental studied. The main purpose is to analyze the effect of FRP reinforcement on the crack growth. The failure modes and their effects are analyzed as well. Given the single-side reinforcement, reinforcing the cracked...
journal article 2020
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Li, Z. (author), Jiang, X. (author), Hopman, J.J. (author), Zhu, Ling (author), Liu, Zhiping (author)
In this paper, we experimentally studied the external surface crack growth in steel pipes reinforced with Composite System Repaired (CRS). CRS reinforced surface cracked API 5L X65 pipes were tested, containing three initial notch sizes and four reinforcement schemes. During the tests, the crack growth results, as well as the strain on the...
journal article 2020
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