Metal-matrix composite ceramic liner plate and preparation method thereof
A technology of metal matrix composite and ceramic lining board, which is applied in the field of wear-resistant ceramic lining board, can solve the problems of poor toughness and easy cracking of wear-resistant ceramic blocks, achieve enhanced strength, toughness and thermal shock resistance, and improve service life Effect
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Embodiment 1
[0037] A metal matrix composite ceramic liner, the preparation method of which is:
[0038] Step 1. Take 15kg of zirconium corundum with a particle size of 2-5mm, 50kg of high-chromium iron powder with a particle size of 150-500um, and 35kg of iron powder with a particle size of 44-150μm, put them into a container, and mix them evenly to form a metal matrix composite ceramic mixture. Among them: Al in zirconium corundum 2 o 3 ≥ 68.0%, ZrO 2 20.0-27.0%, TiO 2 ≤3.00%, SiO 2 ≤1.50%; Cr≥62-66%, Si≤2.5%, C≥8.0%, P≤0.03%, S≤0.03% in high chromium iron powder;
[0039] Step 2. Send the metal matrix composite ceramic mixture prepared in Step 1 into a melting furnace at a melting temperature of 1600-1800°C, and melt it into molten steel for later use;
[0040] Step 3. Take 70kg of zirconium corundum with a particle size of 2-5mm and 30kg of ferrochrome powder with a particle size of 150-500um, put them into a container, mix them evenly, and make a mixture;
[0041] Step 4, in t...
Embodiment 2
[0050] A metal matrix composite ceramic liner, the preparation method of which is:
[0051] Step 1: Take 30kg of zirconium corundum with a particle size of 2-5mm, 20kg of high-chromium iron powder with a particle size of 150-500um, and 50kg of iron powder with a particle size of 44-150μm, put them into a container, and mix them evenly to form a metal matrix composite ceramic mixture. Among them: Al in zirconium corundum 2 o 3 ≥ 68.0%, ZrO 2 20.0-27.0%, TiO 2 ≤3.00%, SiO 2 ≤1.50%; Cr≥62-66%, Si≤2.5%, C≥8.0%, P≤0.03%, S≤0.03% in high chromium iron powder;
[0052] Step 2. Send the metal matrix composite ceramic mixture prepared in Step 1 into a melting furnace at a melting temperature of 1600-1800°C, and melt it into molten steel for later use;
[0053] Step 3. Take 95kg of zirconium corundum with a particle size of 2-5mm and 5kg of ferrochrome powder with a particle size of 150-500um, put them into a container, mix them evenly, and make a mixture;
[0054] Step 4, in th...
Embodiment 3
[0063] A metal matrix composite ceramic liner, the preparation method of which is:
[0064] Step 1. Take 22kg of zirconium corundum with a particle size of 2-5mm, 35kg of high-chromium iron powder with a particle size of 150-500um, and 43kg of iron powder with a particle size of 44-150μm, put them into a container, and mix them evenly to form a metal matrix composite ceramic mixture. Among them: Al in zirconium corundum 2 o 3 ≥ 68.0%, ZrO 2 20.0-27.0%, TiO 2 ≤3.00%, SiO 2 ≤1.50%; Cr≥62-66%, Si≤2.5%, C≥8.0%, P≤0.03%, S≤0.03% in high chromium iron powder;
[0065] Step 2. Send the metal matrix composite ceramic mixture prepared in Step 1 into a melting furnace at a melting temperature of 1600-1800°C, and melt it into molten steel for later use;
[0066] Step 3: Take 83kg of zirconium corundum with a particle size of 2-5mm and 17kg of ferrochrome powder with a particle size of 150-500um, put them into a container, mix them evenly, and make a mixture;
[0067] Step 4, in t...
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