A kind of release agent for beryllium aluminum alloy precision casting and preparation method thereof
A technology of precision casting and beryllium aluminum alloy, which is used in casting and forming equipment, metal processing equipment, casting molds, etc., can solve the problems of high price and inability to use beryllium aluminum alloy precision casting, and achieves low cost and is conducive to rapid heat dissipation and cooling. , The effect of improving permeability and adhesion
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Embodiment 1
[0032] A beryllium-aluminum alloy precision casting release agent and a preparation method thereof are realized by the following steps:
[0033] (1) Raw material components and their parts by weight are: deionized water 75.0, sodium silicate 5.5, aluminum oxide 12.0, silicon oxide 2.0, sodium dihydrogen phosphate 0.8, sodium monohydrogen phosphate 0.4, calcium chloride 2.0, graphite oxide Alkene 1.0, sodium tetraborate 1.3. Among them, the particle size of alumina and silicon oxide powder is 400 mesh, and the average size of graphene oxide is 120 microns;
[0034] (2) The preparation method is:
[0035] (1) Put the prepared raw materials into a blast drying oven and dry them at 80 degrees Celsius for 8 hours;
[0036] (2) Add the raw materials into deionized water in the order of sodium silicate, sodium dihydrogen phosphate, sodium monohydrogen phosphate, calcium chloride, and sodium tetraborate, and use mechanical stirring to dissolve the raw materials at a speed of 300r / mi...
Embodiment 2
[0040] A beryllium-aluminum alloy precision casting release agent and a preparation method thereof are realized by the following steps:
[0041](1) Raw material components and parts by weight are: deionized water 80, sodium silicate 4.8, aluminum oxide 10, silicon oxide 2.5, sodium dihydrogen phosphate 1.0, sodium monohydrogen phosphate 0.5, calcium chloride 1.5, graphite oxide Alkene 0.8, sodium tetraborate 1.0. Among them, the particle size of alumina and silicon oxide powder is 200 mesh, and the average size of graphene oxide is 200 microns;
[0042] (2) The preparation method is:
[0043] (1) Put the prepared raw materials into a blast drying oven and dry them at 75 degrees Celsius for 6 hours;
[0044] (2) Add the raw materials into deionized water in the order of sodium silicate, sodium dihydrogen phosphate, sodium monohydrogen phosphate, calcium chloride, and sodium tetraborate, and use mechanical stirring to dissolve the raw materials at a speed of 480r / min for 30 mi...
Embodiment 3
[0048] A beryllium-aluminum alloy precision casting release agent and a preparation method thereof are realized by the following steps:
[0049] (1) Raw material components and their parts by weight are: deionized water 70, sodium silicate 6.0, aluminum oxide 13, silicon oxide 3.5, sodium dihydrogen phosphate 1.3, sodium monohydrogen phosphate 0.7, calcium chloride 2.5, graphite oxide Alkene 1.2, sodium tetraborate 1.8. Among them, the particle size of alumina and silicon oxide powder is 400 mesh, and the average size of graphene oxide is 150 microns;
[0050] (2) The preparation method is:
[0051] (1) Put the prepared raw materials into a blast drying oven and dry them at 85 degrees Celsius for 6 hours;
[0052] (2) Add the raw materials into deionized water in the order of sodium silicate, sodium dihydrogen phosphate, sodium monohydrogen phosphate, calcium chloride, and sodium tetraborate, and use mechanical stirring to dissolve the raw materials at a speed of 600r / min fo...
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