Couverture de Preparation of Metal Toughened Ceramic Tool Material
Titre du livre:

Preparation of Metal Toughened Ceramic Tool Material

Editions universitaires europeennes (02-01-2018 )

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ISBN-13:

978-620-2-27239-1

ISBN-10:
6202272392
EAN:
9786202272391
Langue du livre:
Français
texte du rabat:
The present work is aimed to develop metal toughened alumina composite which will be used as a cutting tool material, primarily by addition of silver, then microstructural characterization and property measurement of the developed composite. In the work a chemical synthesis using the sol-gel method was carried-out to prepare alumina powder from aluminium nitrate Al (NO3)3,9H2O. Then AgNO3 was well mixed with the prepared α-Al2O3 powder in aqueous solution followed by evaporation and heating, to get 5 and 12 volume percent of Ag in the Al2O3-Ag mixture. A conventional powder metallurgical route was followed to prepare Al2O3-Ag composite pellets. First PVA was added as binder with the mixture, and then the powder was compacted in a circular shaped hole die-punch assembly at certain uni-axial pressure for the samples in a hand press to prepare disc pellets of size 16 mm diameter and thickness of ~6mm and ~3mm . The pellets were first dried at 500°C for 2 hours to burn off the PVA, then pre- sintered at 950°C for 2 hours and finally sintered at 1600°C for 2 hours as soaking time in a furnace.
Maison d'édition:
Editions universitaires europeennes
Site Web:
http://www.editions-ue.com/
de (auteur) :
Suprakash Mondal, Ashim Guha
Numéro de pages:
68
Publié le:
02-01-2018
Stock:
Disponible
Catégorie:
Technologie
Prix:
43.44 $
Mots-clés:
Ceramic Tool Material, Cutting Tool, Silver Toughened ceramic tool, Metal Cutting

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