A study on the mechanical, abrasion and microstructural properties of zirconia-flyash material

The addition of zirconia in different proportions to one type of Indian flyash has been studied. The study is concentrated on mechanical properties of the materials like MOR, MOE and hardness, the sand abrasion resistance and the microstructural investigation by scanning electron microscope. It is o...

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Veröffentlicht in:Ceramics international 2000, Vol.26 (1), p.39-45
1. Verfasser: Satapathy, L.N
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description The addition of zirconia in different proportions to one type of Indian flyash has been studied. The study is concentrated on mechanical properties of the materials like MOR, MOE and hardness, the sand abrasion resistance and the microstructural investigation by scanning electron microscope. It is observed that MOR of the material increases upto 10 vol% of ZrO 2 in flyash and then starts decreasing. On the other hand, both MOE and the Vickers hardness increase with the increase in ZrO 2 content in the matrix. The abrasion volume loss of the material decreases upto 15 vol% ZrO 2 in flyash which further increase with increase in ZrO 2 content. It has been pointed out from the microstructural investigation that, with the increase in addition of ZrO 2 in flyash, the needle shaped mullite phases are being replaced by the near spherical shaped zircon grains. This paper correlates these data along with the physical properties and phase identification studies, which were reported earlier. ©
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subjects Abrasion
Applied sciences
B. Microstructure-final
Building materials. Ceramics. Glasses
C. Mechanical properties
Ceramic industries
Chemical industry and chemicals
Exact sciences and technology
Miscellaneous
Technical ceramics
Zirconia-flyash
title A study on the mechanical, abrasion and microstructural properties of zirconia-flyash material
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