Thermal barrier coating material and preparation method thereof
A thermal barrier coating, general technology, applied in the field of laser processing technology and energy materials, can solve the problems of high equipment requirements, long high temperature reaction time, cumbersome steps, etc. Simple process effect
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Embodiment 1
[0031] Oxide Gd with rare earth elements Gd and Yb 2 o 3 , Yb 2 o 3 Oxide ZrO with element Zr 2 According to the molar ratio (Gd+Yb): Zr=2:2, wherein the molar ratio of Gd and Yb is 1:4, respectively calculate and weigh three kinds of oxide raw materials of corresponding mass, and carry out high-energy ball milling as raw materials, and the ball milling speed is 400rpm, ball milling time 12h, using acetone as the ball milling medium, fully and evenly mixed to obtain raw material mixture powder, the mixture powder obtained by ball milling was dried and ground in an oven at 75°C, and the ground raw material was granulated and ground to obtain microscopic particle size For smaller, high-density products, the granulation process is as follows: use organic colloidal materials such as PVA as the binder solute, deionized water as the solvent, and configure a binder with a mass fraction of 8%. Add three times to the uniformly mixed powder, grind for 3 hours, sieve, the mesh number...
Embodiment 2
[0033] Oxide Er with rare earth elements Er and Yb 2 o 3, Yb 2 o 3 Oxide ZrO with element Zr 2 According to the molar ratio (Er+Yb): Zr=2:2, wherein the molar ratio of Er and Yb is 1:5, respectively calculate and weigh three kinds of oxide raw materials of corresponding mass, and carry out high-energy ball milling as raw materials for mixing, and the ball milling speed is 400rpm, ball milling time 24h, using ethanol as the ball milling medium, fully and evenly mixed to obtain raw material mixture powder, the mixture powder obtained by ball milling was dried and ground in an oven at 80°C, and the ground raw material was granulated and ground to obtain microscopic particle size For smaller, high-density products, the granulation process is as follows: use organic colloidal materials such as PVA as the binder solute, deionized water as the solvent, and configure a binder with a mass fraction of 6%. Add three times to the uniformly mixed powder, grind for 4 hours, sieve, the m...
Embodiment 3
[0035] Oxide Yb of rare earth element Yb 2 o 3 Oxide ZrO with element Zr 2 According to the molar ratio Yb:Zr=2:2, calculate and weigh two kinds of oxide raw materials of corresponding mass respectively, and weigh high-purity SiO 2 Nanopowder with a mass of 25% of the mass of the first two oxides to prepare SiO 2 / Yb 2 Zr 2 o 7 Composite thermal barrier coating to improve the corrosion resistance and heat insulation performance of the thermal barrier coating. The three oxide raw materials are mixed by high-energy ball milling, using ethanol as the ball milling medium, the ball milling speed is 400rpm, and the time is 24h, and the raw material mixture is fully and uniformly mixed Powder, the mixture powder obtained by ball milling is dried and ground in an oven at 80°C, and the ground raw materials are granulated and ground to obtain a product with a smaller microscopic particle size and high density. The granulation process is as follows: PVA Use organic colloidal materi...
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