Results 21 to 30 of about 318,126 (177)

Study on substitution of Ni with Ni3Al on structure and properties of W–6Ni3Al–4Co alloys by two-step sintering process

Materials Research Express, 2020
Herein, the effect of substitution of Ni with Ni _3 Al and two-step sintering on the phase transformation, microstructure evolution, and properties of W–6Ni–4Co alloys were evaluated. The results show that the reaction products of Ni _3 Al and Co include
Hongfeng Dong, Peiyou Li, Taotao Ai, Wenhu Li   +3 more
doaj   +1 more source

Microstructure and properties of ZrO2/Ni3Al-Ni3Al double-layer coating on stainless steel prepared by powder sintering one-step forming process

Materials Research Express, 2021
ZrO _2 /Ni _3 Al-Ni _3 Al double-layer coating on stainless steel was prepared by powder sintering one-step forming process. The surface-interface morphologies, chemical element distribution and phase compositions of the coatings before and after thermal
Xinxing Li, Zirun Yang, Hongxia Wang, Lin Li, Naifei Ren   +4 more
doaj   +1 more source

Effect of the Cu and Ni content on the crystallization temperature and crystallization mechanism of La–Al–Cu(Ni) metallic glasses

AIP Advances, 2016
The effect of the Cu and Ni content on the crystallization mechanism and the crystallization temperatures of La–Al–Cu(Ni) metallic glasses (MGs) was studied by differential scanning calorimetry (DSC).
Peiyou Li
doaj   +1 more source

Effect of High Pressure on the Solidification of Al–Ni Alloy

Crystals, 2021
The effect of high pressure on the microstructure of hypo-peritectic Al–38wt.%Ni alloy was studied. The results show that Al3Ni and Al3Ni2 phases coexist at ambient pressure. However, it becomes a typical hyper-eutectic microstructure when synthesized at
Xiao-Hong Wang, Duo Dong, Xiao-Hong Yang
doaj   +1 more source

Lightweight Gaussian Process-Based Visual Servoing for Autonomous Wheelchair Sidewalk Navigation

IEEE Access
The personal mobility of wheelchair users is pivotal to their overall well-being. Navigating electric wheelchairs through confined spaces poses notable challenges, particularly for individuals with disabilities.
A. H. Abdul Hafez, Ismail Haj Osman, Efgan Ugur, Tolgay Kara   +3 more
doaj   +1 more source

The Role of Nano-sized Fraction on Spark Plasma Sintering the Pre-Alloyed Spark-Erosion Powders [PDF]

Журнал нано- та електронної фізики, 2012
Ti-Ni-Hf, Ni-Al and Cu-Al-Ni shape memory materials were produced by spark plasma sintering method from the micron and nano-sized particles prepared by spark-erosion method in cryogenic liquid from preliminary melted master alloys.
Yu.N. Koval, V.I. Kolomytsev, A.V. Gilchuk, P. Ochin, G.E. Monastyrsky   +4 more
doaj  

Analysis of Phase Transformations in Fe-Ni-Al Alloys Using Diffusion Couples of Fe/Fe-33at.%Ni-33at.%Al Alloy/Ni

Metals, 2023
The present work focused on analyzing the phase transformation in Fe-Ni-Al alloys employing a diffusion couple of Ni/Fe-Ni-Al/Fe, and Calphad-based diffusion and thermodynamic software.
Eduardo Perez-Badillo, Hector J. Dorantes-Rosales, Maribel L. Saucedo-Muñoz, Victor M. Lopez-Hirata   +3 more
doaj   +1 more source

ВЛИЯНИЕ ПРИМЕСНЫХ АТОМОВ ВОДОРОДА НА ЭНЕРГЕТИЧЕСКИЕ ХАРАКТЕРИСТИКИ КРИСТАЛЛИЧЕСКИХ РЕШЕТОК Ni, Al И Ni₃Al ПРИ УПРУГОЙ ДЕФОРМАЦИИ

Вестник Сибирского государственного индустриального университета
Методом молекулярной динамики при температуре 0 К исследовано влияние упругой деформации (сжатие и растяжение до ±5 %) и внедрения атомов водорода (концентрация от 1 до 50 атомов) на внутреннюю энергию кристаллических решеток никеля, алюминия и ...
Денис Игоревич Зюзин, Артем Владимирович Маркидонов   +1 more
doaj   +1 more source

A Novel Understanding of the Thermal Reaction Behavior and Mechanism of Ni/Al Energetic Structural Materials

Crystals, 2022
Ni/Al energetic structural materials have attracted much attention due to their high energy release, but understanding their thermal reaction behavior and mechanism in order to guide their practical application is still a challenge.
Kunyu Wang, Peng Deng, Rui Liu, Chao Ge, Haifu Wang, Pengwan Chen   +5 more
doaj   +1 more source

Optimized combustion temperature in the facile synthesis of Ni/Al2O3 catalyst for CO2 methanation

Journal of CO2 Utilization
Ni/Al2O3 catalysts (noted as Ni/Al-350, Ni/Al-500, and Ni/Al-700, respectively) were synthesized by a facile solution combustion method but at different combustion temperatures (350 °C, 500 °C, and 700 °C, respectively).
Luqman Abdullahi Sani, Haolong Bai, Zifu Xu, Liangliang Fu, Yining Sun, Xiaorui Huang, He Gao, Xuejing Liu, Dingrong Bai, Zhanguo Zhang, Fabing Su, Jiao Liu, Guangwen Xu   +12 more
doaj   +1 more source