- document
-
Zhang, Wei (author), Qiao, Tiezhu (author), Pang, Y. (author), Yang, Yi (author), Chen, Hong (author), Hao, Guirong (author)When sapphire crystal is prepared with Kyropoulos method, the necking-down growth process is a key stage. Sapphire growth defect is a big problem in this stage. However, diagnosing growth defects is subject to the interference of workers subjectivity and accuracy always goes down. To address the problem, a novel defect diagnosis method is...journal article 2020
- document
-
Dai, Hanqing (author), Xu, Wenqian (author), Hu, Zhe (author), Chen, Yuanyuan (author), Wei, Xian (author), Yang, Bobo (author), Chen, Zhihao (author), Gu, Jing (author), Yang, Dan (author), Xie, Fengxian (author), Zhang, Wanlu (author), Guo, Ruiqian (author), Zhang, Kouchi (author), Wei, Wei (author)All-solid-state sodium-ion batteries (SIBs) possess the advantages of rich resources, low price, and high security, which are one of the best alternatives for large-scale energy storage systems in the future. Also, the chalcogenide solid electrolytes (CSEs) of SIBs have the characteristics of excellent room-temperature ionic conductivity (10...review 2020
- document
-
Zeng, Tao (author), Chen, Guohua (author), Yang, Yunfeng (author), Reniers, G.L.L.M.E. (author), Zhao, Yixin (author), Liu, Xia (author)The increasing demand for chemical products has driven the construction and development of chemical industrial areas, or so-called 'chemical industrial parks' (CIPs), but this has intrinsically raised the risk of major accidents. Therefore, it is significant and urgent to summarize the state of art and research needs in the field of CIP...review 2020
- document
-
Chen, Z. (author), Zeilstra, Christiaan (author), van der Stel, Jan (author), Sietsma, J. (author), Yang, Y. (author)In order to understand the thermal decomposition kinetics of hematite particles in inert atmosphere, thermogravimetriy was employed for isoconversional analysis. The kinetic triplet was estimated from the experimental data and the isothermal reaction kinetics was predicted. The results indicated that the thermal decomposition could be divided...journal article 2020
- document
-
Chen, Z. (author), Zeilstra, Christiaan (author), van der Stel, Jan (author), Sietsma, J. (author), Yang, Y. (author)High-temperature reduction processes of iron oxide particles suspension are promising in carbon emission abatement. Recently, researchers have contributed abundant knowledge of the reaction mechanism and kinetics of iron oxide particles above 1473 K, while there was very limited information 10 years ago. Although the understanding of the high...review 2020
- document
-
Tan, Xuyan (author), Chen, Weizhong (author), Wang, L. (author), Yang, Jianping (author)The investigation of concrete structural performance is crucial to maintain the stability of infrastructure. In order to assess structural stability, this work focuses on the development of an integrated framework to detect damaged conditions in the field and analyze their effect on mechanical performance through nondestructive testing (NDT)...journal article 2020
- document
-
Chen, X (author), Yang, Y. (author), Evangeliou, P. (author), Van Der Ham, H. (author)As the bridge stock in The Netherlands and Europe is ageing, various methods to analyse the capacity of existing bridges are being studied. Proof load testing is one of the method to test the capacity of bridges by applying loads on the existing concrete bridges with small spans. Because of the fact that neither the actual traffic load nor the...conference paper 2019
- document
-
Chen, Z. (author), Qu, Ying xia (author), Zeilstra, Christiaan (author), Van Der Stel, Jan (author), Sietsma, J. (author), Yang, Y. (author)HIsarna is a promising ironmaking technology to reduce CO <sub>2</sub> emission. Information of phase transformation is essential for reaction analysis of the cyclone reactor of the HIsarna process. In addition, data of density and volume of the ore particles are necessary for estimation of the residence time of the particles in the cyclone...journal article 2019
- document
-
Chen, Min (author), Jia, Zihao (author), Tang, Hailong (author), Xiao, Yi (author), Yang, Yonghang (author), Yin, F. (author)Supersonic civil aircraft is of a promising area in the development of future civil transport, and aircraft propulsion system is one of the key issues which determine the success of the aircraft. To get a good conceptual design and performance investigation of the supersonic civil aircraft engine, in this article, a fast, versatile as well as...journal article 2019
- document
-
Cai, Miao (author), Liang, Yonghu (author), Yun, Minghui (author), Chen, Xuan-You (author), Yan, Haidong (author), Yu, Zhaozhe (author), Yang, Daoguo (author), Zhang, Kouchi (author)A novel silicone rubber elastic key (SREK) is proposed in this paper for surface mounting technology (SMT) applications. Effects of thermal reflowing stress on the mechanical properties of SMT-SREKs are investigated. The manufactured SMT-SREKs, which underwent various reflowing conditions in advance, are subjected to pressing force and...journal article 2019
- document
-
Yang, Yang (author), Li, Diquan (author), Tong, Tiegang (author), Zhang, D. (author), Zhou, Yatong (author), Chen, Yangkang (author)Strong noise is one of the toughest problems in the controlled-source electromagnetic (CSEM) method, which highly affects the quality of recorded data. The three main types of noise existing in CSEM data are periodic noise, Gaussian white noise, and nonperiodic noise, among which the nonperiodic noise is thought to be the most difficult to...journal article 2018
- document
-
Feng, J. (author), Chen, Dong (author), Sediq, Ahmad S. (author), Romeijn, Stefan (author), Tichelaar, F.D. (author), Jiskoot, Wim (author), Yang, J. (author), Koper, M.T.M. (author)A key enabling step in leveraging the properties of nanoparticles (NPs) is to explore new, simple, controllable, and scalable nanotechnologies for their syntheses. Among "wet" methods, cathodic corrosion has been used to synthesize catalytic aggregates with some control over their size and preferential faceting. Here, we report on a...journal article 2018
- document
-
Chen, Z. (author), Qu, Yingxia (author), Zeilstra, Christiaan (author), van der Stel, Jan (author), Sietsma, J. (author), Yang, Y. (author)Melting and reduction of fine iron ore particles in the gas environment of a HIsarna smelting cyclone is a critically important topic, but very limited information is currently available except for some experimental data from high temperature drop tube furnace (HTDF). This work discusses the equilibrium state of reacting iron ore in the HTDF...journal article 2018
- document
-
Dong, Haokai (author), Chen, Hao (author), Wang, Wei (author), Zhang, Yongjie (author), Miyamoto, Goro (author), Furuhara, Tadashi (author), Zhang, Chi (author), Yang, Zhigang (author), van der Zwaag, S. (author)The interaction between moving α/γ interfaces and interphase precipitated (IPd) carbides during the austenite (γ) to ferrite (α) and the ferrite (α) to austenite (γ) transformation has been systematically investigated through cyclic phase transformation experiments for a 0.1C-1.5Mn alloy containing 0.1 wt% Niobium (Nb) and its Nb-free...journal article 2018
- document
-
Yang, Ning (author), Yang, Daoguo (author), Zhang, Kouchi (author), Chen, Liangbiao (author), Liu, Dongjing (author), Cai, Miao (author), Fan, Xuejun (author)The effects of graphene stacking are investigated by comparing the results of methane adsorption energy, electronic performance, and the doping feasibility of five dopants (i.e., B, N, Al, Si, and P) via first-principles theory. Both zigzag and armchair graphenes are considered. It is found that the zigzag graphene with Bernal stacking has...journal article 2018
- document
-
Chen, G. (author), Yang, J. (author), Hauff, C. (author), Houben, G.J.P.M. (author)We present LearningQ, a challenging educational question generation dataset containing over 230K document-question pairs. It includes 7K instructor-designed questions assessing knowledge concepts being taught and 223K learner-generated questions seeking in-depth understanding of the taught concepts. We show that, compared to existing datasets...conference paper 2018
- document
-
Ye, H. (author), Hu, F.F. (author), Tang, H. (author), Yang, L.W. (author), Chen, X.P. (author), Wang, L.G. (author), Zhang, Kouchi (author)In this work, the structural, electronic and optical properties of germanene and ZnSe substrate nanocomposites have been investigated using first-principles calculations. We found that the large direct-gap ZnSe semiconductors and zero-gap germanene form a typical orbital hybridization heterostructure with a strong binding energy, which shows...journal article 2018
- document
-
Yang, Huiru (author), Wang, Zeping (author), Ye, H. (author), Zhang, Kai (author), Chen, X. (author), Zhang, Kouchi (author)Sensitive materials for formaldehyde (HCHO) sensor need high sensitivity and selectivity. The research on two dimensional (2D) sensitive material is growing, and most studies focus on the pristine or modified graphene. So it is essential to introduce other 2D materials into HCHO gas sensor. In this report, the adsorption behaviors of organic...journal article 2018
- document
-
Cui, Z. (author), Zhang, Yingying (author), Yang, Qun (author), Zhang, Kouchi (author), Chen, Xianping (author)Interfacial properties of Cu/SiO<sub>2</sub> in semiconductor devices has been a challenging study for many years because of its difficulties in experimentally quantifying the critical strength of interface. In this paper, a multi-scale modeling approach is built to characterize the interfacial properties between Cu and SiO<sub>2</sub>. The...conference paper 2018
- document
-
Yang, Z. (author), Boogaard, M.A. (author), Chen, Rong (author), Dollevoet, R.P.B.J. (author), Li, Z. (author)This paper presents an analysis of the transient contact solutions of wheel-rail frictional rolling impacts calculated by an explicit finite element model of the wheel-insulated rail joint (IRJ) dynamic interaction. The ability of the model to simulate the dynamic behavior of an IRJ has been validated against a comprehensive field measurement in...journal article 2018