Manufacturing of Large Size and Polished Ceramic Pistons by Cold Isostatic Pressing

Gerlei, Viktor and Kránicz, Tibor and Korim, Tamás and Jakab, Miklós (2023) Manufacturing of Large Size and Polished Ceramic Pistons by Cold Isostatic Pressing. HUNGARIAN JOURNAL OF INDUSTRY AND CHEMISTRY, 51 (1). pp. 29-34. ISSN 0133-0276

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Abstract

This paper discusses the challenges involved in producing high-quality alumina ceramics, particularly when it comes to achieving a proper surface roughness and accuracy. Alumina ceramics are widely used in various applications due to their exceptional properties, including high strength, wear resistance, and chemical stability. The alumina pistons with the desired properties and performance were produced from commercially available raw materials. To improve the densification and mechanical properties of the sintered ceramics organic binder were used. The use of diamond abrasive slurry polishing was studied also, which has been shown to be particularly effective in achieving a high degree of surface finish. The study aims to produce alumina-based pistons with low surface roughness, and the paper discusses the techniques and methods used to achieve this goal. The results of the study include the porosity, mechanical properties, and microstructure of the alumina ceramics produced, as well as the effectiveness of the techniques and methods used.

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