Preparation method of two-dimensional homogenized corundum mullite high-temperature material
A high-temperature material, mullite technology, applied in the field of preparation of two-dimensional homogeneous corundum mullite high-temperature materials, can solve the problems of thermal shock resistance, creep resistance and high-temperature bending resistance, etc., to improve heat resistance The effect of improving the shock performance and thermal shock resistance
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Embodiment 1
[0038] A two-dimensional homogeneous corundum-mullite high-temperature material. The high-temperature material is composed of A component and B component mixed with a binder, wherein the ratio of A:B:binder is 2.5:7.5:0.02; wherein B component 90 parts by mass of corundum and 10 parts by mass of corundum seed crystals; component A consists of 75 parts by mass of mullite and 25 parts by mass of mullite precursor.
Embodiment 2
[0040] A two-dimensional homogeneous corundum-mullite high-temperature material. The high-temperature material is composed of A component and B component mixed with a binder, wherein the ratio of A:B:binder is 1.5:8.5:0.05; wherein B component 70 parts by mass of corundum, 30 parts by mass of corundum seed crystals, 80 parts by mass of mullite and 20 parts by mass of mullite precursor.
Embodiment 3
[0042] A two-dimensional homogeneous corundum-mullite high-temperature material. The high-temperature material is composed of A component and B component mixed with a binder, wherein the ratio of A:B:binder is 2.0:8.0:0.03; wherein B component 80 parts by mass of corundum, 20 parts by mass of corundum seed crystals, 90 parts by mass of mullite and 10 parts by mass of mullite precursor in component A.
[0043] see figure 1 , a method for preparing a two-dimensional homogeneous corundum-mullite high-temperature material, comprising the following steps:
[0044] The first step: select the main material and auxiliary materials; the main material includes high-alumina materials, mainly to form corundum phase; the main material also includes low-alumina materials, mainly to form mullite phase; the first step The auxiliary materials include mullite precursors, corundum seeds, suspending agents and binders.
[0045] Step 2: prepare components A and B respectively; component A is mad...
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