Results 1 to 10 of about 278,430 (311)

Effect of Tempering Time on Carbide Evolution and Mechanical Properties of a Nb-V-Ti Micro-Alloyed Steel

Metals, 2023
The evolution of the microstructure, the precipitation behavior, and the mechanical performances of Nb-V-Ti micro-alloyed steel prepared under different tempering time were studied using transmission electron microscopy (TEM), X-ray diffraction (XRD ...
Qian Zhao, Zhixia Qiao, Ji Dong
doaj   +1 more source

Analysis of polytype stability in PVT grown silicon carbide single crystal using competitive lattice model Monte Carlo simulations

AIP Advances, 2014
Polytype stability is very important for high quality SiC single crystal growth. However, the growth conditions for the 4H, 6H and 15R polytypes are similar, and the mechanism of polytype stability is not clear. The kinetics aspects, such as surface-step
Hui-Jun Guo, Wei Huang, Xi Liu, Pan Gao, Shi-Yi Zhuo, Jun Xin, Cheng-Feng Yan, Yan-Qing Zheng, Jian-Hua Yang, Er-Wei Shi   +9 more
doaj   +1 more source

Silicon carbide color centers for quantum applications

Journal of Physics: Photonics, 2020
Silicon carbide has recently surged as an alternative material for scalable and integrated quantum photonics, as it is a host for naturally occurring color centers within its bandgap, emitting from the UV to the IR even at telecom wavelength.
S. Castelletto, A. Boretti
semanticscholar   +1 more source

A Potentially Repairable Composite Coating for Significantly Enhancing Wear and Corrosion Resistance of Magnesium Alloy

Lubricants
The AZ31 magnesium alloy is an attractive lightweight metallic material, but its low corrosion resistance and wear resistance significantly limit its widespread application in fields such as aerospace, the automotive industry, and mechanical engineering.
Yueyu Huang, Ruilin Zeng, Shequan Wang, Ninghua Long, Yingpeng Zhang, Qun Wang, Chidambaram Seshadri Ramachandran   +6 more
doaj   +1 more source

Effect of strain amplitude on the isothermal fatigue behavior of H13 hot work die steel

工程科学学报, 2021
Thermal fatigue cracking is the main failure mode of hot work die steel during die casting and hot forging. Thermal fatigue cracking accounts for a large proportion of mold failures and seriously affects the service life of the mold.
Zhen-qiang ZHU, Hui NING, Peng-peng ZUO, Xiao-chun WU   +3 more
doaj   +1 more source

Nitrogen-doped tungsten carbide nanoarray as an efficient bifunctional electrocatalyst for water splitting in acid

Nature Communications, 2018
Tungsten carbide is one of the most promising electrocatalysts for the hydrogen evolution reaction, although it exhibits sluggish kinetics due to a strong tungsten-hydrogen bond.
Nana Han, Ke R. Yang, Zhiyi Lu, Yingjie Li, Wenwen Xu, Tengfei Gao, Zhao Cai, Ying Zhang, Victor S. Batista, Wen Liu, Xiaoming Sun   +10 more
semanticscholar   +1 more source

Effect of different maturation methods on silver banana quality / Efeito de diferentes métodos de maturação sobre a qualidade da banana prata

Diversitas Journal, 2019
The marketable banana fruit is climatic and therefore has a short maturation period, which means shorter shelf life. Properly stored storage becomes of great value so that such transformations do not harm the commercialization of fruit.
Karla Rayana de Oliveira Silva, Rafaele Cabral Barbosa, Wallysson Wagner Vilela Santos, Julyana Braga de Oliveira, Jenifer Sthephanie Araújo da Silva, Erika Valente de Medeiros   +5 more
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New insight into the relationship between the C-Cr ratio and carbides, mechanical property of cold working die steel

Materials Research Express, 2023
An new insight into the relationship between the C-Cr Ratio and carbides, mechanical property Cr Alloyed of cold working die Steel were investigated by optical microscopy (OM), scanning electron microscopy (SEM), energy dispersive spectrometer (EDS ...
Chi Hongxiao, Di Yingnan, Zhang Nan, Gu Jinbo, Zhou Jian, Ma Dangshen   +5 more
doaj   +1 more source

Engineering metal-carbide hydrogen traps in steels

Nature Communications
Hydrogen embrittlement reduces the durability of the structural steels required for the hydrogen economy. Understanding how hydrogen interacts with the materials plays a crucial role in managing the embrittlement problems.
Pang-Yu Liu, Boning Zhang, R. Niu, Shao-Lun Lu, Chao Huang, Maoqiu Wang, Fuyang Tian, Yong Mao, Tong Li, P. Burr, Hongzhou Lu, Aimin Guo, Hung-Wei Yen, J. Cairney, Hao Chen, Yishu Chen   +15 more
semanticscholar   +1 more source

Research status and prospect of Co-phase strengthening in cemented carbide

Cailiao gongcheng
WC-Co cemented carbide has applied in various fields due to its excellent properties. However， the defects of Co bonding phase in hard alloys， such as low hardness， low wear resistance， and poor high-temperature stability， limit their use.
LIAO Yu, ZHANG Qianwei, HU Qiming
doaj   +1 more source