Abstract: A damper pulley for a crankshaft includes a hub mounted on one end of the crankshaft, a rim connected to the hub, an oil seal mounted on an outer surface of the hub, and a wear-resistant insert member integrally mounted on the hub and making contact with the oil seal.

Abstract: A swash plate includes 34.5 to 43.0 wt % of copper (Cu) and 0.5 to 2.8 wt % of silicon (Si), with a remainder of aluminum (Al) and other inevitable impurities.

Abstract: Disclosed herein is a method of treating a composite piston pin, including: preparing the piston pin of which at least surface layer includes a composite material including a reinforcing fiber and a resin; improving roughness by processing the surface layer of the piston pin; and forming a coating layer on the surface layer processed to reduce a friction coefficient of the piston pin.

Abstract: Disclosed herein is a method of treating a composite piston pin, including: preparing the piston pin of which at least surface layer includes a composite material including a reinforcing fiber and a resin; improving roughness by processing the surface layer of the piston pin; and forming a coating layer on the surface layer processed to reduce a friction coefficient of the piston pin.

Abstract: A damper pulley for a crankshaft includes a hub mounted on one end of the crankshaft, a rim connected to the hub, an oil seal mounted on an outer surface of the hub, and a wear-resistant insert member integrally mounted on the hub and making contact with the oil seal.

Abstract: An aluminum alloy is provided that includes magnesium (Mg) of about 8.0 wt % to 10.5 wt %, silicon (Si) of about 1.9 wt % to 3.4 wt %, copper (Cu) of about 0.4 wt % to 2.0 wt %, and a balance of Al. In addition, a vehicle part is manufactured using the same aluminum alloy.

Abstract: An aluminum alloy and a vehicle part manufactured from the aluminum alloy are provided. The aluminum alloy includes about 8.5 to 11.0 wt % of Mg, about 3.5 to 5.8 wt % of Si, about 2.0 to 3.0 wt % of Cu and the balance of Al.

Abstract: Disclosed herein is a method of treating a composite piston pin, including: preparing the piston pin of which at least surface layer includes a composite material including a reinforcing fiber and a resin; improving roughness by processing the surface layer of the piston pin; and forming a coating layer on the surface layer processed to reduce a friction coefficient of the piston pin.

Abstract: A hybrid piston pin and a manufacturing method thereof are provided. The hybrid piston pin includes a cylindrical pin formed of steel, a first reinforcement layer that is formed of a composite that includes reinforced fibers and a resin, having a cylindrical shape with a uniform thickness, and coupled to the interior surface of the cylindrical pin. A second reinforcement layer is formed of a composite that includes reinforced fibers having an elasticity that is less than the reinforced fibers of the first reinforcement layer. Further, a resin having a cylindrical shape with a uniform thickness is coupled to the interior surface of the first reinforcement layer.

Abstract: A wear-resistant alloy having a complex microstructure, which may include a range of about 8 to about 17 wt % of zinc (Zn), a range of about 5 to 8 wt % of tin (Sn), a range of about 9.4 to about 12.6 wt % of silicon (Si) and a balance of aluminum (Al), is provided.

Abstract: A swash plate includes aluminum (Al) as a main component and 35˜45 wt % of zinc (Zn), 1.5˜3.5 wt % of copper (Cu), 6˜10 wt % of silicon (Si), 0.2˜0.5 wt % of magnesium (Mg) and other inevitable impurities. A method of manufacturing the swash plate is also provided.

Abstract: A swash plate includes 34.5 to 43.0 wt % of copper (Cu) and 0.5 to 2.8 wt % of silicon (Si), with a remainder of aluminum (Al) and other inevitable impurities.

Abstract: A wear-resistant alloy having a complex microstructure, which may include a range of about 8 to about 17 wt % of zinc (Zn), a range of about 5 to 8 wt % of tin (Sn), a range of about 9.4 to about 12.6 wt % of silicon (Si) and a balance of aluminum (Al), is provided.

Abstract: A wear-resistant alloy having a complex microstructure, which may include a range of about 28 to 38 wt % of zinc (Zn), a range of about 1 to 3 wt % of tin (Sn), a range of about 0.4 to 1.4 wt of iron (Fe) and a balance of aluminum (Al), is provided.

Abstract: A wear-resistant aluminum alloy having a complex microstructure may include a range of about 19 to 27 wt % of zinc (Zn); a range of about 3 to 5 wt % of tin (Sn); a range of about 0.6 to 2.0 wt % of iron (Fe); and a balance of aluminum (Al).

Abstract: An alloy for die-cast vehicle parts and a method for manufacturing the alloy are provided. The alloy includes aluminum as a main component; magnesium in an amount of about 8.0 to 10.5 wt % based on the total weight of the alloy composition; silicon in an amount of about 1.9 to 3.4 wt % based on the total weight of the alloy composition; copper in an amount of about 0.4 to 2.0 wt % based on the total weight of the alloy composition; manganese in an amount of about 0.3 to 1.0 wt % based on the total weight of the alloy composition; beryllium (Be) at a maximum of about 50 ppm, and other essential impurities. Further, during the manufacturing process, a molten metal is heated to a temperature of about 670 to 730° C. and is injected into a die at a speed of about 3.0 m/s or greater.

Abstract: An aluminum alloy and a vehicle part manufactured from the aluminum alloy are provided. The aluminum alloy includes about 8.5 to 11.0 wt % of Mg, about 3.5 to 5.8 wt % of Si, about 2.0 to 3.0 wt % of Cu and the balance of Al.

Abstract: An aluminum alloy is provided that includes magnesium (Mg) of about 8.0 wt % to 10.5 wt %, silicon (Si) of about 1.9 wt % to 3.4 wt %, copper (Cu) of about 0.4 wt % to 2.0 wt %, and a balance of Al. In addition, a vehicle part is manufactured using the same aluminum alloy.

Abstract: A wear-resistant aluminum alloy having a complex microstructure may include a range of about 19 to 27 wt % of zinc (Zn); a range of about 3 to 5 wt % of tin (Sn); a range of about 0.6 to 2.0 wt % of iron (Fe); and a balance of aluminum (Al).

Abstract: A wear-resistant alloy having a complex microstructure is provided. from the microstructure includes a range of about 19 to about 27 wt % of zinc (Zn), a range of about 3 to about 5 wt % of tin (Sn), a range of about 7.6 to about 11 wt % of silicon (Si), and a balance of aluminum (Al).