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Shengzhong Jin, Shichao Zhao, Jiaxin Weng and Yanfei Lv
Molybdenum disulphide (MoS2) monolayer is a two-dimensional semiconductor material with potential applications in nano electronic devices. However, it is still a challenge to reproducibly synthesize single layer MoS2 in high quality. Herein, we report th...
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Jae-Hyeong Lee, Jung-Gil Yun, Sung-Yun Kwak and Chung-Yun Kang
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Yanfei Lv, Feng Huang, Luxi Zhang, Jiaxin Weng, Shichao Zhao and Zhenguo Ji
Tungsten disulfide (WS2) monolayer is a direct band gap semiconductor. The growth of WS2 monolayer hinders the progress of its investigation. In this paper, we prepared the WS2 monolayer through chemical vapor transport deposition. This method makes it e...
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Sung-Yun Kwak, Jung-Gil Yun, Jae-Hyeong Lee, Dong-Ik Shin and Chung-Yun Kang
In laser welding and hot stamping Al-Si-coated boron steel, there is a problem that the strength of the joint is lowered due to ferrite formation in the fusion zone. The purpose of this study is to develop an Al-7 wt.% Mn hot-dip coating in which Mn, an ...
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Sung-Yun Kwak, Jung-Gil Yun, Jae-Hyeong Lee, Dong-Ik Shin and Chung-Yun Kang
In laser welding and hot stamping Al-Si-coated boron steel, there is a problem that the strength of the joint is lowered due to ferrite formation in the fusion zone. The purpose of this study is to develop an Al-7 wt.% Mn hot-dip coating in which Mn, an ...
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Shichao Zhao, Jiaxin Weng, Shengzhong Jin, Yanfei Lv and Zhenguo Ji
Molybdenum disulfide (MoS2) layers show excellent optical and electrical properties and have many potential applications. However, the growth of high-quality MoS2 layers is a major bottleneck in the development of MoS2-based devices. In this paper, we re...
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Seiya Suzuki, Yoshifumi Terada and Masamichi Yoshimura
To exploit the extraordinary property of graphene in practical electrical and optical devices, it is necessary to produce large-sized, single-crystal graphene. Atmospheric pressure chemical vapor deposition (APCVD) on polycrystalline Cu surface is a prom...
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I. O. Vakulenko,M. A. Gryshchenko,O. M. Perkov
Pág. 266 - 268
For a railway axle in dependence on stages of crack growth the regular changes of structure of destruction surface during the fatigue tests are presented.
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Longhuang Xiao, Yuan Zhuang, Xilei Wu, Jialiang Yang, Yongjie Lu, Ying Liu and Xiaohong Han
Immersion cooling is widely used for thermal management of servers. The two-phase immersion cooling, which transfers heat by boiling, possesses efficient temperature control ability under intensive heat generation. In the process of temperature control t...
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Mariuca Gartner, Mihai Anastasescu, Hermine Stroescu, Jose Maria Calderon-Moreno, Silviu Preda, Octavian-Gabriel Simionescu, Andrei Avram and Octavian Buiu
Nanocrystalline graphite (NCG) layers represent a good alternative to graphene for the development of various applications, using large area, complementary metal-oxide semiconductor (CMOS) compatible technologies. A comprehensive analysis of the physical...
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Rhys Jones, Neil Matthews, Daren Peng, R. K. Singh Raman and Nam Phan
This paper presents an experimental study into the analysis required for the durability assessment of 7075 and 6061 cold spray repairs to military aircraft. To this end, it is first shown that provided the bulk stress in a 7075 cold spray coating can be ...
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Wei Gao, Yujing Li, Yuyuan Zhang and Hong Yin
Cubic boron nitride (c-BN) films were prepared via radio frequency (RF) magnetron sputtering from a hexagonal boron nitride (h-BN) target in a pure N2 plasma. The composition and microstructure morphology of the BN films with different deposition times u...
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Wei-Kai Wang, Shih-Yung Huang, Ming-Chien Jiang and Dong-Sing Wuu
Approximately 4-µm-thick GaN epitaxial films were directly grown onto a GaN/sapphire template, sapphire, Si(111), and Si(100) substrates by high-temperature pulsed laser deposition (PLD). The influence of the substrate type on the crystalline quality, su...
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Bo Li, You-Yun Lu and Yuan-Le Li
Natural gas is a kind of low-carbon energy source with abundant reserves globally and high calorific value. It is cleaner and more efficient than oil and coal. Enlarging the utilization of natural gas is also one of the important ways to reduce carbon em...
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Waldemar Gawron, Jan Sobieski, Tetiana Manyk, Malgorzata Kopytko, Pawel Madejczyk and Jaroslaw Rutkowski
This paper presents the current status of medium-wave infrared (MWIR) detectors at the Military University of Technology?s Institute of Applied Physics and VIGO System S.A. The metal?organic chemical vapor deposition (MOCVD) technique is a very convenien...
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Chengyu Huang, Wenhua Wang and Weizhong Li
A 2D computational fluid dynamics (CFD) model in consideration of nucleation characteristics (homogeneous/heterogeneous nucleation) using the volume of fluid (VOF) method and Lee model was proposed. The model was used to predict the process of a multipha...
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Yiyong Wang, Xinyu Zhou, Zhipeng Liang and Hui Jin
In order to evaluate the electrochemical behavior of nano-ZrO2 particles in the co-deposition process, revealing the electrocrystallization mechanism and electrodeposition parameters of composite coatings, cyclic voltammetry (CV), chronoamperometry (CA),...
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Raphaël Boichot, Danying Chen, Frédéric Mercier, Francis Baillet, Gaël Giusti, Thomas Coughlan, Mikhail Chubarov and Michel Pons
This study aims to present the interest of using a design of experiments (DOE) approach for assessing, understanding and improving the hydride vapor phase epitaxy (HVPE) process, a particular class of chemical vapor deposition (CVD) process. The case of ...
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RAQUEL V. FRANCISCO,JOSEFA C. MONDARES,MARIANO A. ESTOQUE
A two-dimensional, slab-symmetric cloud model with detailed microphysics is presented. Drops were classified into 37 size classes representing a droplet spectrum from 1 µm to 4 mm radius. Each class of droplet was subjected to condensation and collec...
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Botond Szilágyi, Béla Lakatos
Pág. 151 - 158
In the paper, batch cooling crystallization of plate-like crystals is investigated by numerical experimentation. The population balance approach is used to describe a seeded crystallization process, developing a bivariate morphological population balance...
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