An Optimization of Particle Size and Additives of Slip Cast Alumina Samples to Reduce Warpage and Porosity

V. Sivamaran; V. Kavimani; M. Bakkiyaraj; C. Rajendran; Tushar Sonar

doi:10.1155/2022/5222633

An Optimization of Particle Size and Additives of Slip Cast Alumina Samples to Reduce Warpage and Porosity

V. Sivamaran, V. Kavimani, M. Bakkiyaraj, C. Rajendran, Tushar Sonar

Research output: Contribution to journal › Article › peer-review

Abstract

Alumina body densification using slip casting was investigated with low warpage rates. In order to optimize slurry and sintering, 1600°C has been used. As a starting material, three types of alumina were used. Alumina has been used in conjunction with PMAA, and carboxymethyl cellulose in order to prepare the slurry. It was found that warpage rates were reduced when coarser particles were included in the composition. An acid treatment of the slurry was carried out in order to improve densification of the alumina body and to reduce warpage. This study examines the microstructure of a sintered alumina body. In the investigation, it was found that preparing a dense product reduced porosity and warping rate by 1.1% and 4%, respectively.

Original language	English
Article number	5222633
Journal	Advances in Materials Science and Engineering
Volume	2022
DOIs	https://doi.org/10.1155/2022/5222633
Publication status	Published - 2022
Externally published	Yes

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abstract = "Alumina body densification using slip casting was investigated with low warpage rates. In order to optimize slurry and sintering, 1600°C has been used. As a starting material, three types of alumina were used. Alumina has been used in conjunction with PMAA, and carboxymethyl cellulose in order to prepare the slurry. It was found that warpage rates were reduced when coarser particles were included in the composition. An acid treatment of the slurry was carried out in order to improve densification of the alumina body and to reduce warpage. This study examines the microstructure of a sintered alumina body. In the investigation, it was found that preparing a dense product reduced porosity and warping rate by 1.1% and 4%, respectively.",

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AU - Rajendran, C.

AU - Sonar, Tushar

PY - 2022

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N2 - Alumina body densification using slip casting was investigated with low warpage rates. In order to optimize slurry and sintering, 1600°C has been used. As a starting material, three types of alumina were used. Alumina has been used in conjunction with PMAA, and carboxymethyl cellulose in order to prepare the slurry. It was found that warpage rates were reduced when coarser particles were included in the composition. An acid treatment of the slurry was carried out in order to improve densification of the alumina body and to reduce warpage. This study examines the microstructure of a sintered alumina body. In the investigation, it was found that preparing a dense product reduced porosity and warping rate by 1.1% and 4%, respectively.

AB - Alumina body densification using slip casting was investigated with low warpage rates. In order to optimize slurry and sintering, 1600°C has been used. As a starting material, three types of alumina were used. Alumina has been used in conjunction with PMAA, and carboxymethyl cellulose in order to prepare the slurry. It was found that warpage rates were reduced when coarser particles were included in the composition. An acid treatment of the slurry was carried out in order to improve densification of the alumina body and to reduce warpage. This study examines the microstructure of a sintered alumina body. In the investigation, it was found that preparing a dense product reduced porosity and warping rate by 1.1% and 4%, respectively.

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An Optimization of Particle Size and Additives of Slip Cast Alumina Samples to Reduce Warpage and Porosity

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