Method for precisely casting titanium alloy and titanium aluminum alloy with low cost
A titanium-aluminum alloy, precision casting technology, applied in casting molding equipment, molds, mold components, etc., can solve problems such as poor internal quality, and achieve the effect of controlling production costs
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specific Embodiment approach 1
[0010] Embodiment 1: The low-cost precision casting method of a kind of titanium alloy and titanium-aluminum alloy of the present embodiment is carried out according to the following steps: 1. Prepare binder: weigh 18.77%~99.63% zirconium sol, zirconium sol, 0-80% silica sol, 0.2%-0.4% wetting agent JFC, 0.02%-0.1% n-octanol, 0.1%-0.3% polyvinyl alcohol and 0.05%-0.43% latex, zirconium sol Add the silica sol and silica sol into the container and mix evenly, then add the wetting agent JFC, n-octanol, polyvinyl alcohol and latex in turn under stirring conditions, and then stir for 10min to 30min to obtain the binder; 2. Prepare the surface coating: Weigh 5% to 70% of calcium carbonate powder, 5% to 20% of alumina powder, 2% to 5% of titanium dioxide powder and 5% to 88% of zirconia powder and mix them uniformly to obtain refractory powder material, and then according to the mass ratio of the refractory powder and the binder obtained in step 1, the ratio of 2 to 4:1, the refracto...
specific Embodiment approach 2
[0011] Embodiment 2: This embodiment differs from Embodiment 1 in that the sum of the mass percentages of zirconium sol and silica sol in step 1 is 99.2%. Others are the same as in the first embodiment.
specific Embodiment approach 3
[0012] Specific embodiment three: what this embodiment is different from specific embodiment one or two is the 4 of the surface coating described in step two # The cup viscosity is controlled at 60s~80s. Others are the same as in the first or second embodiment.
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