Preparation and Properties of Lightweight Pottery Using Shirasuballoon

Sodeyama, Kenichi; Sakka, Yoshio; Kamino, Yoshitaka; Hamaishi, Kazuto; Kokusho, Tetsuro; Seki, Hiromitsu

doi:10.2109/jcersj.106.333

Cited by 8 publications

(2 citation statements)

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“…Mixed suspension of Shirasuballoons and pottery clay was prepared by adding 0.3 mass% water glass [10]. The green compacted consolidated by the slip casting were dried at 110°C and sintered at 1150-1250°C for 1h in air.…”

Section: Methodsmentioning

confidence: 99%

Preparation and Utilization of Fine Expanded Perlite

Sodeyama¹,

Sakka

2007

KEM

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Hollow glass microspheres named expanded perlite have been prepared from perlite, but the size is usually above 20 µm. In the conventional preparation method, it is difficult to produce fine expanded perlite with particle size under 20 µm because the water contained in finely milled perlite particle, which is the origin of foaming, is evolved during heating process. A new fluidized sand-bedfurnace has developed and fine expanded perlite particles with particle size less than 15 µm and bulk density under 0.5 g/cm3 are prepared successfully. Using the fine expanded perlite, lightweight composites with alumina and lightweight pottery are successfully prepared by colloidal processing and subsequent heating.

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Section: Methodsmentioning

confidence: 99%

Preparation and Utilization of Fine Expanded Perlite

Sodeyama¹,

Sakka

2007

KEM

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“…[11][12][13] Some hollow ceramic microspheres such as silica balloons, shirasu balloons (shirasu: siliceous ejecta, especially being widespread mainly in the southern area of Kyushu, Japan) and alumina balloons have been already commercialized as a lightweight and/or adiabatic material. However, silica-based balloons are difficult to be prepared in uniform and controlled size.…”

Section: Introductionmentioning

confidence: 99%