![]() In addition, microstructural evidence clarified that the effective cooling performance of CC could be attributed to the decrement (ca. 8% compared to that of a conventional cooling channel, and the increment in performance was consistent with the simulation results. The experimental cooling performance of the CC improved by ca. 10% compared with that of a conventional cooling channel. The casting simulation results showed that the cooling performance of the CC was enhanced by ca. ![]() The cooling channel performance was estimated and evaluated using an Al-Si-Cu alloy casting simulation and die casting experiments, respectively. In this paper, a gravity die casting mold with CC was designed and built using AM technology. In recent years, advances in additive manufacturing (AM) technology have made it possible to fabricate products with complex and elaborate structures. However, implementing conformal cooling remains highly challenging, because the complicated geometries of CC are difficult to form using conventional fabrication methods such as drilling and milling. A conformal cooling channel (CC) whose structure follows the shapes or surfaces of the mold cavity has attracted great attention in the die casting industry, because it allows rapid and uniform cooling. A cooling channel with an optimized design provides not only high throughput with gravity die casting, but also guarantees product quality.
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