Abstract: Provided are a deformed Al alloy casting with improved formability by local heat treatment, and a method of manufacturing the same, and the method includes a casting step for forming an Al alloy casting by casting molten metal formed by melting alloying elements of Al alloy, a solid solution treatment step for solid solution-treating the Al alloy casting, an aging step for aging the solid solution-treated Al alloy casting, a local heat treatment step for locally heat-treating a deformation target area of the aged Al alloy casting, and a deformation step for deforming the locally heat-treated deformation target area of the Al alloy casting.

Abstract: Provided is a heat treatment method of an alloy for eco-friendly vehicle parts, the heat treatment method including preparing an aluminum (Al) alloy, performing solid solution treatment on the Al alloy, performing primary cooling to a temperature range of 250° C. to 400° C. after the solid solution treatment is performed, and performing secondary cooling to room temperature after the primary cooling is performed, wherein a cooling rate range of the primary cooling is lower than the cooling rate range of the secondary cooling.

Abstract: A water-cooled heat dissipation module assembly capable of cooling a power module of a vehicle driving inverter system using a battery or fuel cell. The water-cooled heat dissipation module assembly includes a housing unit provided in the form of a housing having an opening portion at least partially opened at one side thereof. The housing unit and at least a part of a rim region of the cooling unit are made of a plastic material, and the housing unit and the cooling unit are joined to each other by plastic welding using a laser.

Abstract: A water-cooled heat dissipation module assembly capable of cooling a power module of a vehicle driving inverter system using a battery or fuel cell. The water-cooled heat dissipation module assembly includes a housing unit provided in the form of a housing having an opening portion at least partially opened at one side thereof. The housing unit and at least a part of a rim region of the cooling unit are made of a plastic material, and the housing unit and the cooling unit are joined to each other by plastic welding using a laser.

Abstract: The present invention relates to an eco-mold apparatus for manufacturing a piston, a mold apparatus for manufacturing a piston, and a piston manufacturing method, which mold each part of a piston while decreasing the weight of the piston, and the apparatus may comprise: a first eco-mold part which may move forward or backward in a first direction to shape a portion of an eco-part of a piston; a second eco-mold part which may shape-match with the first eco-mold part to mold another portion of the eco-part of the piston; and a piston pickup part which picks up the piston over the second eco-mold part, so that the piston pickup part can separate the piston from the second eco-mold part.

Abstract: The present invention relates to an eco-mold apparatus for manufacturing a piston, a mold apparatus for manufacturing a piston, and a piston manufacturing method, which mold each part of a piston while decreasing the weight of the piston, and the apparatus may comprise: a first eco-mold part which may move forward or backward in a first direction to shape a portion of an eco-part of a piston; a second eco-mold part which may shape-match with the first eco-mold part to mold another portion of the eco-part of the piston; and a piston pickup part which picks up the piston over the second eco-mold part, so that the piston pickup part can separate the piston from the second eco-mold part.