Saltcore for die-casting with aluminum and manufacturing method therefor
AssigneeHyundai Motor Company
InventorsJi-Yong Lee, Cheol-Ung Lee
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Abstract
Provided herein are a saltcore for casting with aluminum and a manufacturing method thereof, and more particularly, a saltcore and a manufacturing method thereof capable of reducing shrinkage while satisfying strength during die-casting by including at least one cation of K+, Na+ and Mg2+ and at least one anion of Cl− and CO32−, wherein a saltcore for casting with aluminum may include at least one cation of K+, Na+ and Mg2+ and at least one anion of Cl− and CO32−.
Claims9
A saltcore for casting with aluminum, said saltcore comprising:
- at least one cation of K+, Na+ and Mg2+ and at least one anion of Cl− and CO32−, wherein Mg2+ is essentially included therein at more than 0.1 part by mol.
A saltcore for casting with aluminum, said saltcore comprising:
- at least one cation of K+ and Na+, at least one anion of Cl− and CO32−, and dolomite,
- wherein the K+ is 35 to 40 part by mol or the Na+ is 110 to 130 part by mol, and the Cl− is 35 to 40 part by mol or the CO32− is 55 to 65 part by mol, and the dolomite is more than 0 wt % and less than 1 wt % with respect to the entire weight.
A saltcore for casting with aluminum, said saltcore comprising at least of one of NaCl, KCl, Na2CO3, and CaCl2, in combination with at least one of MgCl2 and dolomite, wherein the shrinkage of the saltcore is 1.2% or less.
Dependencies are inferred from the claim text.