12 Result(s)
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Article
Influence of pre-stretching on quench sensitive effect of high-strength Al−Zn−Mg−Cu-Zr alloy sheet
The influence of pre-stretching on quench sensitive effect of high strength Al−Zn−Mg−Cu−Zr alloy AA 7085 sheet was investigated by tensile testing at room temperature, transmission electron microscopy (TEM) an...
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Article
Selective laser melted near-beta titanium alloy Ti-5Al-5Mo-5V-1Cr-1Fe: Microstructure and mechanical properties
In this work, a near-beta Ti-5Al-5Mo-5V-1Cr-1Fe titanium alloy was fabricated by selective laser melting (SLM), and the microstructure evolution together with the mechanical properties was studied. The as-fabr...
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Article
Wear map for sliding wear behavior of Cu-15Ni-8Sn alloy against bearing steel under oil-lubricated condition
Wear behaviors of a peak-aged Cu-15Ni-8Sn alloy fabricated by powder metallurgy were investigated. The results indicated that the friction coefficients and the wear rates of Cu-15Ni-8Sn alloy within a normal l...
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Article
Tribological behavior of Cu-15Ni-8Sn/graphite under sea water, distilled water and dry-sliding conditions
The tribological behaviors of Cu-15Ni-8Sn/graphite composites with the graphite content of 38 vol.% against AISI321 stainless steel under dry-sliding, deionized water and sea water were investigated on a block...
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Article
Effect of applied load on transition behavior of wear mechanism in Cu−15Ni−8Sn alloy under oil lubrication
Tribological behavior of Cu−15Ni−8Sn (mass fraction, %) alloy against GCr15 ring under various loads was investigated on a ring-on-block tester in oil lubrication. The results showed that the wear rate increas...
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Article
Characterization of terbium-doped nano-hydroxyapatite and surface modification
The control synthesis of nanoparticles was the implementation process of material ideal design. Nano-hydroxyapatite (HAP) was prepared by a hydrothermal method with calcium nitrate and diammonium hydrogen phos...
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Article
Cathodic electrophoretic deposition of α-Fe2O3 coating
Submicro α-Fe2O3 coatings were formed using electrophoretic deposition (EPD) technique in aqueous media. The zeta potentials of different α-Fe2O3 suspensions with different additives were measured as a function o...
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Article
Microstructure characterization of NiFe2O4-NiO solid-solid diffusion couple
The solid state interdiffusion between NiFe2O4 and NiO in nitrogen atmosphere was studied by means of diffusion couple technique. NiFe2O4/NiO diffusion couple with plane interfaces was made by clam** method and...
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Article
Electrodeposition of Ni-Co-Fe2O3 composite coatings
Ni-Co-Fe2O3 composite coatings were electrodeposited using cetyltrimethylammonium bromide (CTAB)-modified Watt’s nickel bath with Fe2O3 particles dispersed in it. The effects of the plating parameters on the chem...
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Article
Synthesis and characterization of red-emission PPV copolymers containing fluorenone unit
Two soluble copolymers of fluorenone and dioctoxylbenzene (PFN) or anthracene (PFNAn) were synthesized through Heck polymerization, and were characterized by gel permeation chromatography (GPC), FT-IR, 1H-NMR, el...
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Article
Morphologies of hydroxyapatite nanoparticles adjusted by organic additives in hydrothermal synthesis
Properties of hydroxyapatite (HA, Ca10(PO4)6(OH)2), including bioactivity, biocompatibility, solubility and adsorption could be tailored over wide ranges by the control of particle composition, particle size and ...
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Article
Effect of BaO addition on relative density and electric conductivity of xNi/10NiO-NiFe2O4 cermets
xNi/10NiO-NiFe2O4 (x=5, 10, 17) cermets and those doped with 1% BaO (mass fraction) were prepared by cold isostatic pressing at 200 MPa and sintering in nitrogen atmosphere at 1 473 K. The effects of BaO addition...
