NDLI: Predicting porosity content in triaxial porcelain bodies as a function of raw materials contents

Content Provider	Springer Nature Link
Author	Correia, Sivaldo L. Hotza, Dachamir Segadães, Ana M.
Copyright Year	2007
Abstract	This work describes the relationships observed between the porosity of fired ceramic test pieces and the raw materials contents in the unfired mixture. The investigation was carried out using the mixture experiments design approach coupled with response surface methodology, which enables the calculation of statistically significant models for the properties from a limited number of experimental results. Ten formulations of a clay mixture, potash feldspar and quartz sand were processed in the laboratory under fixed conditions, similar to those used on wall and floor tile industrial practice, and characterized. Closed porosity (CP) was estimated from the analysis of back-scattered SEM photomicrographs, open porosity (OP) was calculated as the product of bulk density and water absorption, and total porosity (TP) was calculated from OP and CP values. Characterization results were used to calculate statistically significant and valid regression equations, relating those properties with the raw material contents in the unfired mixture. For the particular raw materials and processing conditions used, the models clearly show how quartz contributes to increasing OP and the crucial role played by feldspar when CP and TP are to be minimized (circa 3 vol.%), and how the clay content can counteract that effect and lead to maximum closed porosity (∼14 vol.%).
Starting Page	696
Ending Page	701
Page Count	6
File Format	PDF
ISSN	00222461
Journal	Journal of Materials Science
Volume Number	43
Issue Number	2
e-ISSN	15734803
Language	English
Publisher	Springer US
Publisher Date	2007-10-31
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Mechanics Crystallography Continuum Mechanics and Mechanics of Materials Polymer Sciences Characterization and Evaluation of Materials Materials Science
Content Type	Text
Resource Type	Article
Subject	Ceramics and Composites Mechanics of Materials Mechanical Engineering Polymers and Plastics

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Keyword Contents

Engineering porosity in silicon carbide ceramics

Room temperature hardness of gadolinia-doped ceria as a function of porosity

Porosity dependence of mechanical properties of solid materials

Predicting Hertzian fracture

Surface modifications to improve Ti–porcelain bonding

Porosity and pore space characteristics of starch-processed porous ceramics

Templating porosity in polymethylsilsesquioxane coatings using trimethylsilylated hyperbranched polymers

Use of normalized porosity in models for the porosity dependence of mechanical properties

Predicting porosity content in triaxial porcelain bodies as a function of raw materials contents

Similar Documents

Keyword Contents

Engineering porosity in silicon carbide ceramics

Room temperature hardness of gadolinia-doped ceria as a function of porosity

Porosity dependence of mechanical properties of solid materials

Predicting Hertzian fracture

Surface modifications to improve Ti–porcelain bonding

Porosity and pore space characteristics of starch-processed porous ceramics

Templating porosity in polymethylsilsesquioxane coatings using trimethylsilylated hyperbranched polymers

Use of normalized porosity in models for the porosity dependence of mechanical properties

Predicting porosity content in triaxial porcelain bodies as a function of raw materials contents