Porosity dependence of elastic constants in aluminum nitride ceramics

Aluminum nitride is a relatively new engineering ceramic and its mechanical properties have not been extensively studied. In this work, the effects of porosity (~0 to 38%) on sonic velocities, Poisson's ratio, and elastic moduli of partially sintered A1N, both pure and with additives, were inve...

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Bibliographic Details
Main Authors: Humberto Naoyuki Yoshimura, André Luiz Molisani, Nilson Eiji Narita, Paulo Francisco Cesar, Hélio Goldenstein
Format: Article
Language:English
Published: Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol) 2007-06-01
Series:Materials Research
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392007000200006