PRECISION-CASTING CORE, PRECISION-CASTING CORE MANUFACTURING METHOD, AND PRECISION-CASTING MOLD
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机译:精密铸造芯,精密铸造芯制造方法和精密铸造模具
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摘要
A coating layer including solely silicon alkoxide or mixed alkoxide of silicon alkoxide and aluminum alkoxide is formed on a surface of a sintered precision-casting core body mainly including silica particles so as to seal holes formed in the surface. As a result, it is possible to prevent the breakage of the core during casting.
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