Results 1 to 10 of about 93,466 (218)

Mechanical characterization and analysis of tensile fracture modes of ultrasonically stir cast Al6082 composites reinforced with Cu powder premixed Metakaolin particles

Fracture and Structural Integrity, 2022
The major drawback observed in the ceramic particles reinforced aluminium matrix composites (AMCs) is the reduction of ductility. Incorporating fine metallic particles along with the ceramic reinforcements in the aluminium matrix tends to improve the ...
Renjin J. Bright, P. Hariharasakthisudhan   +1 more
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Fabrication of graphene/Cu composites with in-situ grown graphene from solid carbon source

Journal of Materials Research and Technology, 2023
The high temperature melting and sintering of Cu powder will seriously limit the coverage of graphene on the surface of Cu powder during the in-situ generation of graphene.
Gengjie Wang, Yaoyin Zhang, Shumin Zhang, Pengcheng Liu, Lu Zhu, Zhifu Huang, Zhenhua Cao, Xiangkang Meng   +7 more
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Fe-based sintered matrix for diamond tools: microstructure, mechanical performance and crack initiation and propagation characteristics

Materials Research Express, 2022
To design Fe-Cu-Sn-Ni metal binders for diamond tools and optimize the performance of binders, Fe-based binders were prepared by hot-press sintering method using Fe powder, Cu powder, Sn powder and Ni powder as the raw materials.
Ya Gao, Hongsong Zhang, Haishu Ma, Xuhe Liu, Yuchun Huang, Yubo Meng   +5 more
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Cu-10 wt.% Al Alloys Produced by Spark Plasma Sintering of Powder Blends and a Mechanically Alloyed Mixture: A Comparative Investigation

Powders, 2023
Cu–Al bronzes are interesting metallic materials, demonstrating higher hardness, higher wear resistance, higher corrosion resistance and a lower friction coefficient as compared with unalloyed copper.
Aigul A. Ondar, Dina V. Dudina, Tatiana F. Grigoreva, Evgeniya T. Devyatkina, Sergey V. Vosmerikov, Arina V. Ukhina, Maksim A. Esikov, Alexander G. Anisimov, Nikolay Z. Lyakhov   +8 more
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Improvement of the thermal stability of dendritic silver-coated copper microparticles by surface modification based on molecular self-assembly

Nano Convergence, 2021
In the study reported herein, silver-coated copper (Ag/Cu) powder was modified with alkanethiols featuring alkyl chains of different lengths, namely butyl, octyl, and dodecyl, to improve its thermal stability.
Tae Hyeong Kim, Hyeji Kim, Hyo Jun Jang, Nara Lee, Kwang Hyun Nam, Dae-won Chung, Seunghyun Lee   +6 more
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Cation Crosslinking-Induced Stable Copper Nanoclusters Powder as Latent Fingerprints Marker

Nanomaterials, 2021
Luminescent copper nanoclusters (Cu NCs) have shown great potential in light-emitting devices (LEDs), chemical sensing, catalysis and biological fields. However, their practical use has been restricted by poor stability, and study on the stability of Cu ...
Yi Qiu, Zhuoqi Wen, Shiliang Mei, Jinxin Wei, Yuanyuan Chen, Zhe Hu, Zhongjie Cui, Wanlu Zhang, Fengxian Xie, Ruiqian Guo   +9 more
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Phase and Microstructure Transition of High Cu Content Cu-W Composite Powder Fabricated by Spray Drying

Metals, 2022
Cu-W composite powder with various W contents (0, 10, 20, and 30 wt%) has been fabricated by spray drying, calcination, and two-stage hydrogen reduction in this work. The microstructures and phase evolution of Cu-W composite powder were studied by FESEM,
Qi Wang, Xiuqing Li, Shizhong Wei, Wenpeng Lou, Liujie Xu, Yucheng Zhou   +5 more
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Obtaining and Characterization of W-Cu Composite Powder Produced by Mixing and Sintering of Ammonium Paratungstate (Apt) and Copper Nitrate [PDF]

Materials Research, 2017
The objective of this work is obtaining W-30 wt% Cu composite powder from ammonium paratungstate hydrated (APT) and hydrated copper nitrate and investigating the influence of some production process parameters of W- 30 wt% Cu in particles form which ...
Maria José Santos Lima, Fernando Erick Santos da Silva, Maria Veronilda Macedo Souto, Meysam Mashhadikarimi, Ariadne Sousa Silva, Uilame Umbelino Gomes, Carlson Pereira de Souza   +6 more
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Electrochemical Properties of Hollow, Spherical Li2O-SnO2-Cu-C Nanocomposite Powders Prepared by Spray Pyrolysis

International Journal of Electrochemical Science, 2013
Hollow and spherical Li2O-SnO2-Cu-C nanocomposite powder is prepared by spray pyrolysis. Examination of the nanocomposite powder shows that Li2O-SnO2-Cu particles are uniformly distributed over a hollow C matrix.
Yong Seung Jang, Jung Hyun Kim, Jung-Kul Lee, Yun Chan   +3 more
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Characteristics of Cu–Al2O3 composites of various starting particle size obtained by high-energy milling [PDF]

Journal of the Serbian Chemical Society, 2009
The powder Cu– Al2O3 composites were produced by high-energy milling. Various combinations of particle size and mixtures and approximately constant amount of Al2O3 were used as the starting materials. These powders were separately milled in air for up to
VIŠESLAVA RAJKOVIĆ, DUŠAN BOŽIĆ, MILAN T. JOVANOVIĆ   +2 more
doaj   +3 more sources