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Cu-doped Sb2Te3 films were deposited at room temperature by the magnetron sputtering method, structure, microstructure and thermoelectric properties of the as-deposited and annealed films were systematically investigated. The results revealed that, while the as-deposited films were amorphous, the annealed films were crystallized into rhombohedral phase. Scanning electron microscope image showed tiny...
Cubic boron nitride (cBN) was brazed by Co-based active filler metal. The effects of brazing temperature on the interfacial microstructure and properties of cBN specimen were investigated using scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), X-ray diffraction (XRD), and friction and wear testing. The results showed that when the brazing temperature was between 1473 and 1523 K,...
The microstructure, hardness, precipitates and phase transformation are studied before and after a process of 1050°C solid solution + double ageing for Inconel 718 alloys fabricated by SLM. The test results show that the obvious weld beads structure can be observed on unheated surface of alloys. The microstructure shows seriously inhomogeneous with distributing columnar crystals and fine dendrites...
Dissimilar joining of Ti-6Al-4V titanium alloy and AISI316L stainless steel was investigated in the current study by diffusion bonding using Cu/Nb multi-interlayer. Effects of the bonding temperature and bonding time on microstructure and mechanical properties were studied in the range of 850–950 °C. Microstructural characterization was carried out through optical microscopy (OM), scanning electron...
In this study, the CrNx coatings were deposited by reactive magnetron sputtering at varying sputtering power from 200 to 300 W. The chemical composition, phase structure, surface and cross-sectional morphologies, and mechanical properties of the coatings were respectively investigated by electron probe microanalysis, X-ray photoelectron spectroscopy, X-ray diffraction, Raman spectroscopy, scanning...
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