Zirconium-containing high-strength wear-resistant castable
A castable, high-strength technology, applied in the field of zirconium-containing high-strength wear-resistant castables, can solve problems such as poor strength and poor wear resistance, and achieve high wear resistance, good wear resistance, and compact microstructure
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Embodiment 1
[0026] The brown fused alumina 28% is composed of 10% brown fused alumina with a particle size of 5-8mm and 18% brown fused alumina with a particle size of 0-1mm; the Al in the brown fused alumina 2 o 3 The mass percentage content ≥ 94.5%;
[0027] The 42% of the sintered mullite is composed of 21% of the sintered mullite with a particle size of 3-5mm and 21% of the sintered mullite with a particle size of 1-3mm; the Al in the sintered mullite 2 o 3 The mass percentage content ≥ 70%;
[0028] The particle size of the corundum powder is 200 mesh, and the Al in the corundum powder 2 o 3 The mass percentage content ≥ 95%;
[0029] The particle size of described mullite fine powder is 180 orders, and in mullite fine powder, Al 2 o 3 The mass percentage content ≥ 70%;
[0030] The particle size of the zirconium corundum fine powder is 2 o 3 The mass percentage content of ≥70%, ZrO 2 The mass percentage content ≥ 24%; the particle size of the silicon micropowder is 2 conte...
Embodiment 2
[0032] The zirconium-containing high-strength wear-resistant castable of the present invention is represented by weight percentage. The raw material ratio of the zirconium-containing high-strength wear-resistant castable is: brown corundum 32%, sintered mullite 42%, corundum powder 4%, mullite Stone fine powder 6%, a-AI 2 o 3 4%, zirconium corundum fine powder 2%, silicon micropowder 3%, pure calcium aluminate cement 6.85% and sodium hexametaphosphate 0.15%.
[0033] The 32% brown fused alumina is composed of 12% brown fused alumina with a particle size of 5-8mm and 20% brown fused alumina with a particle size of 0-1mm;
[0034] The 42% sintered mullite is composed of 21% sintered mullite with a particle size of 3-5 mm and 21% sintered mullite with a particle size of 1-3 mm; the particle size of the mullite fine powder is 200 mesh.
[0035] Embodiment 3: basically the same as Embodiment 1, the difference is:
Embodiment 3
[0036] The zirconium-containing high-strength wear-resistant castable of the present invention is represented by weight percentage. The raw material ratio of the zirconium-containing high-strength wear-resistant castable is: brown corundum 23%, sintered mullite 47%, corundum powder 5%, mullite Stone fine powder 6%, a-AI 2 o 3 5%, zirconium corundum fine powder 3.9%, silicon micropowder 3%, pure calcium aluminate cement 7% and sodium hexametaphosphate 0.1%.
[0037] The brown fused alumina 23% is composed of 8% brown fused alumina with a particle size of 5-8mm and 15% brown fused alumina with a particle size of 0-1mm;
[0038] The 47% sintered mullite is composed of 23% sintered mullite with a particle size of 3-5mm and 24% sintered mullite with a particle size of 1-3mm; the particle size of the mullite fine powder is 200 mesh.
[0039] Embodiment 4: basically the same as Embodiment 1, the difference is:
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