Results 11 to 20 of about 93,466 (218)
Fabrication of Cu-Based SiC Composites by Spark Plasma Sintering of Cu-Nitrate Coated SiC Powders
Archives of Metallurgy and Materials, 2017 An optimum route to fabricate the Cu-based SiC composites with homogeneous microstructure was investigated. Three methods for developing the densified composites with sound interface between Cu and SiC were compared on the basis of the resulting ...
Jeong Y.-K., Kim Y.S., Oh S.-T.
doaj +1 more source
Preparation of W-Cu Composite Powders by Hydrogen Reduction of WO3 And Copper Nitrate Mixture [PDF]
Archives of Metallurgy and MaterialsThe synthesis of fine W composite powder with homogeneously dispersed Cu particles was investigated. Commercial or ultrasonic spray pyrolysis WO3 powders were used as source materials of W, and copper nitrate was added and hydrogen-reduced to finally ...
Ji Won Choi +4 more
doaj +1 more source
Influence of aluminum addition on the laser powder bed fusion of copper-aluminum mixtures
Additive Manufacturing Letters, 2022 The high optical reflectivity of copper (Cu) in the near infrared (NIR) domain and its elevated heat dissipation make Cu a challenging metal for laser powder bed fusion (LPBF), even with high energy densities (EDs).
Nada Kraiem +6 more
doaj +1 more source
Coercivity of Nd-Fe-B hot-deformed magnets produced by the spark plasma sintering method
AIP Advances, 2017 The effects of Nd-Cu alloy powder addition on the microstructures and magnetic properties of Nd-Fe-B hot-deformed magnets produced by the spark plasma sintering (SPS) method were investigated. The addition of a small amount of Nd-Cu alloy powder, up to 2%
Tetsuji Saito +3 more
doaj +1 more source
Microstructure and tribological behaviors of diffusion bonded powder sintered Cu–Sn based alloys
Materials Research Express, 2021 Owing to good self-lubricating performance, tin bronze is widely used in industrial fields. As tin bronze parts manufactured by powder metallurgy, their tribological performances are influenced by raw powder.
Zhenyu Li +8 more
doaj +1 more source
Phase Transformation of High Velocity Air Fuel (HVAF)-Sprayed Al-Cu-Fe-Si Quasicrystalline Coating
Metals, 2020 Al-Cu-Fe-Si quasicrystalline coatings were prepared by high velocity air fuel spraying to study their phase transformation during the process. The feedstock powder and coating were phase characterized by scanning electron microscopy, X-ray diffractometry,
Mingwei Cai, Jun Shen
doaj +1 more source
Dry sliding tribological properties of Cu-WS2 self-lubricating composites at 25–500 °C
Journal of Materials Research and Technology, 2023 Cu-WS2 composites are being used as self-lubricating materials for various engineering applications. The poor wettability between Cu and WS2 is a main obstacle for obtaining high-performance Cu-WS2.
Jianhui Yan, Yi Wang, YuanJun Guo
doaj +1 more source
Metals, 2021 Pure Copper (Cu) is very difficult to prepare using selective laser melting (SLM) technology. This work successfully prepared the pure Cu with high relative density and high strength by the SLM technology using a surface oxidation treatment.
Peng Yang +5 more
doaj +1 more source
Magnetic properties of Sm-Fe-N bulk magnets produced from Cu-plated Sm-Fe-N powder
AIP Advances, 2017 In this study, Cu-plated Sm-Fe-N powder was prepared for consolidation by the SPS method. The structures and magnetic properties of Sm-Fe-N bulk magnets produced from the Cu-plated Sm-Fe-N powder were examined.
Tetsuji Saito +2 more
doaj +1 more source
Mechanical Engineering Journal, 2016 As drilling process for carbon fiber reinforced plastic (CFRP), gyro-driving drilling machine has been proposed. Recently, Cu-based diamond grinding wheels for this drilling machine have been fabricated by using centrifugal mixed-powder method (CMPM ...
Hisashi SATO +4 more
doaj +1 more source