Please use this identifier to cite or link to this item:
https://hdl.handle.net/10316/4313
Title: | Optimization of the sintering process of raw material wastes | Authors: | Vieira, M. T. Catarino, L. Oliveira, M. Sousa, J. Torralba, J. M. Cambronero, L. E. G. González-Mesones, F. L. Victoria, A. |
Keywords: | Powder technology; Ceramics | Issue Date: | 1999 | Citation: | Journal of Materials Processing Technology. 92-93:(1999) 97-101 | Abstract: | The analysis of the mineralogical composition of most rock wastes shows the presence of a high percentage of minerals with SiO2 and Al2O3, which could be used as raw materials for ceramic products. The main objective of this work is to recover wastes from one primary rock industry, utilised in the production of tiles and flooring, for the manufacturing of ceramics, using powder technology: pressing and sintering. The sinterability of the powders, with and without previous heat treatment, was studied in order to obtain a product with the best performance. Powders from different quarries after being uniaxial pressed at 40 MPa, or isostatic pressed at 170 MPa and sintered within the range 1150-1170°C present properties as follows: (a) hardness: 5.5-7.5 GPa; (b) transverse rupture strength: 55-94 MPa; (c) abrasion and erosion wear better than that of bulk to be drawn materials, and (d) water absorption of less than 0.5%. The results allow the conclusion that these wastes can be recovered and used successfully in the manufacture of ceramics with better performance than traditional tiles and flooring. | URI: | https://hdl.handle.net/10316/4313 | DOI: | 10.1016/S0924-0136(99)00186-7 | Rights: | openAccess |
Appears in Collections: | FCTUC Eng.Mecânica - Artigos em Revistas Internacionais |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
file2278c601b4ee45a8b1b4aff068e3a349.pdf | 402.85 kB | Adobe PDF | View/Open |
SCOPUSTM
Citations
34
checked on Oct 7, 2024
Page view(s) 50
479
checked on Oct 15, 2024
Download(s) 10
2,191
checked on Oct 15, 2024
Google ScholarTM
Check
Altmetric
Altmetric
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.