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Powder Metallurgical Silver-Graphite Electrical Contact Materials: Synthesis and Gas Separation Studies

Autor Bharati Rajeev Rehani
en Limba Engleză Paperback – 25 mai 2014
The research work deals with processing and evaluation of silver-graphite electrical contact materials containing 1 wt.%, 3 wt.% and 5 wt.% graphite. The study involves the synthesis of silver-graphite composite powders by various powder processing routes like conventional method of mixing/blending of the constituent powder particles, and the alternative synthesis routes based on the nanotechnology principles viz. high- energy milling, colloidal synthesis and electroless deposition. The raw materials and the synthesized powders were characterized using techniques such as particle size analysis, X-ray diffraction (XRD), scanning electron microscopy (SEM), electron spectroscopy for chemical analysis (ESCA), X-ray fluorescence spectroscopy (XRF) and transmission electron microscopy (TEM), etc. The density, hardness, electrical conductivity measurements and the microstructural examination were done for consolidated bulk solid compacts of above powder processing routes. The representative AgC contacts produced by high- energy milling route were subjected to the electrical performance evaluation.
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Specificații

ISBN-13: 9783639715989
ISBN-10: 3639715985
Pagini: 152
Dimensiuni: 152 x 229 x 9 mm
Greutate: 0.23 kg
Editura: Scholars' Press