Data/hora: 22/06/2024 03:23:23

Biblioteca(s): | Embrapa Instrumentação.
Data corrente: | 14/02/2006
Data da última atualização: | 14/02/2006
Autoria: | YASUDA, M. T.; MELO, W. L. B.
Título: | A new method to determine open porosity and permeability constants of open-pore sintered glasses by photoacoustic technique.
Ano de publicação: | 2005
Fonte/Imprenta: | Cerâmica, v. 51, p. 259-264, 2005.
Idioma: | Inglês
Conteúdo: | The Photoacoustic (PA) technique was used to investigate the structural properties (e.g. open porosity and permeability) of open-pore sintered glasses. This work demonstrates that the photoacoustic signal of open-pore sintered glasses, which are produced with different grain sizes and several degrees of open porosity, is sensitive to the morphology of the open-pore samples. The results obtained by the PA tecnique were realted to results obtained by the Pressure Decay technique, and an excellent correlation was obtained. This demonstrates that PA technique, which is non-intrusive and non-destructive, is promising for application in analysis of porous ceramic structures, even if the sample is semi-transparent.
Palavras-Chave: | Glasses; Open porous; Photoacoustic.
Thesaurus Nal: | permeability.
Categoria do assunto: | --
Registro original: | Embrapa Instrumentação (CNPDIA)
Exemplares: | CNPDIA - (9404-1) - UPC - SP - -- - PROCI-05.00132 -  - 2005.00132 - DIS