Results 231 to 240 of about 51,572 (274)

Mechanical properties of monolithic AIN and SiCw/AIN composites

Journal of Materials Science, 1995
Flexural, tensile, and high cycle fatigue test data are presented for pressureless sintered aluminium nitride (AIN) and hot-pressed aluminium nitride reinforced with silicon carbide whiskers (SiCw/AIN). Tests were conducted at ambient temperature. The SiCw/AIN composites consisting of 30wt% SiCw produced significant increases in flexural strength ...
C. K. Unni, D. E. Gordon
openaire   +2 more sources

Ain single crystals

Journal of Crystal Growth, 1977
Abstract Single crystals of aluminum nitride up to 1 cm long and 0.3 in diameter have been grown by a sublimation-recondensation technique at about 2250°C. The starting material is prepared by the direct reaction of aluminum and nitrogen at 1850°C. The crystals are grown at a rate of 0.03 cm/hr.
T.F. McNelly, Glen A. Slack
openaire   +2 more sources

Characterization of the AIN–W Interface in a Cofired Multilayer AIN Substrate

Journal of the American Ceramic Society, 1989
The AIN–W Interfaces in a cofired multilayer AIN substrate were observed using an optical microscope, scanning electron microscope (SEM) and transmission electron microscope (TEM). Optical and SEM observations showed an intricate intricatelocking AIN‐W grain structure at the interface. After the W pad was removed from the substrate with a NaOH etchant,
Cetin Toy, Yasuhiro Kurokawa, William D. Scott   +2 more
openaire   +2 more sources

A multi-analytical approach to the characterization of natural organic dyestuffs and inorganic substrates present in the 19th-century artistic oil paints manufactured by a French art materials supplier Richard Ainès

, 2017
This paper presents a comprehensive analysis of artistic paints produced in the 19th century by a French art materials supplier Richard Aines. Improved mild extraction with hydrofluoric acid enabled the observation of intact organic dyes.
Olga Otłowska, M. Ślebioda, M. Wachowiak, M. Śliwka-Kaszyńska   +3 more
semanticscholar   +1 more source

L’accompagnement citoyen pour l’intégration des aînés ayant un trouble mental

, 2018
A partir des resultats d’une etude pilote, cet article met en lumiere les effets d’une approche d’accompagnement citoyen pour l’integration dans la communaute d’aines ayant un trouble mental ou des difficultes psychosociales, a partir d’experiences ...
G. Aubin, P.-Y. Therriault
semanticscholar   +1 more source

Solitudes et vieillissement : les expériences d’aînés qui vivent seuls

, 2018
Au Canada et au Quebec, assez peu de recherches se sont interessees au phenomene de la solitude chez les personnes âgees, contrairement aux nombreux travaux realises sur la question de leur isolement social.
Laurie Kirouac, M. Charpentier
semanticscholar   +1 more source

Transparent AIN ceramics

Journal of Materials Science Letters, 1984
Description de la synthese de la poudre AlN et des preparations des produits frittes. Proprietes physiques de ces ceramiques.
H. Taniguchi, N. Kuramoto
openaire   +2 more sources

La défense des droits des aînés au Québec : protection et empowerment

, 2015
La defense des droits des aines constitue un mecanisme de protection pour les personnes vulnerables de la societe ou pour « soi-meme » contre les situations de maltraitance.
Marie-Ève Bédard, M. Beaulieu
semanticscholar   +1 more source

Performance Optimization of AIN Films Using Self-Prepared AIN Target

Key Engineering Materials, 2013
Aluminum nitride (AlN) films were prepared by radio frequency (RF) sputtering technique with self-prepared AlN ceramic target. The influence of substrate type and working gas of different N2 concentration to performance of AlN films were discussed.
Yue Shen, Xiao Yan Wang, Meng Jie Xu, Feng Gu, Tian Shi Shi   +4 more
openaire   +2 more sources

Les fossoyeurs : Révélations sur le système qui maltraite nos aînés

Revue française de gestion, 2023
Tarik Chakor, Jean-Christophe Vuattoux
semanticscholar   +1 more source