Abstract: A heat sink module for cooling a heat providing surface can include an inlet chamber and an outlet chamber formed within the heat sink module. The outlet chamber can have an open portion that can be enclosed by the heat providing surface when the heat sink module is installed on the heat providing surface. The heat sink module can include a dividing member disposed between the inlet chamber and the outlet chamber. The dividing member can include a first plurality of orifices extending from a top surface of the dividing member to a bottom surface of the dividing member. The first plurality of orifices can be configured to deliver a plurality of jet streams of coolant into the outlet chamber and against the heat providing surface when the heat sink module is installed on the heat providing surface and when pressurized coolant is provided to the inlet chamber.

Abstract: A system for manufacturing a wheel includes a cope mold portion comprising internal cope mold walls and a drag mold portion comprising internal drag mold walls. The internal walls define at least in part perimeter boundaries of a wheel cavity. The wheel cavity comprises a cavity center portion configured to form a wheel center portion of a wheel after solidification of a molten alloy in the cavity center portion, a cavity plate portion configured to form a wheel plate portion of the wheel after solidification of a molten alloy in the cavity plate portion, and a cavity flange portion configured to form a wheel flange portion of the wheel after solidification of a molten alloy in the cavity flange portion. The system includes a chill component configured to provide directional solidification from the cavity flange portion toward the cavity plate portion of molten alloy in the wheel cavity.

Abstract: Embodiments of this apparatus and method introduce solutes into a sheet formed from a melt. A melt of a material is cooled and a sheet of the material is formed in the melt. A first fluid is introduced around the sheet at least partially while the sheet is formed. A second fluid also may be introduced. In one instance, use of the first fluid and second fluid may form a sheet that has two different solute concentrations.

Abstract: An apparatus for directionally casting articles generally includes a seal between a mold assembly and chill plate. In one embodiment, the mold assembly includes a skirt laterally extending from at least one shell mold, wherein the skirt includes a channel disposed in a bottom surface that is configured to surround the at least one shell mold. A chill plate fastened to a bottom of the mold assembly and includes a boss having a shape complementary to the channel, wherein the boss of the chill plate is seated within the channel of the mold assembly to define the seal about the at least one shell mold.

Abstract: A hybrid cast component (10) including both a columnar grained region (12) and a single crystal region (14) integrally formed and joined along a metallurgical boundary (32) in a single casting operation without the need for any weld or braze. A gas turbine blade formed as such may include a columnar grained airfoil and a single crystal platform without any necessity for a thermally formed joint at the blade fillet area.

Abstract: A chill mould for the casting of light metal casting materials is provided. The chill mould is manufactured from an Ni-alloyed and/or Mn-alloyed cast iron material, of which the Ni and/or Mn content is dimensioned in such a way that the thermal coefficient of expansion of the chill mould is adjusted to the thermal coefficient of expansion of the light metal casting material, which is to be cast in each case. A chill mould is provided which can be manufactured in an economical manner which possesses optimized properties of use and at the same time allows for optimized casting results. Such a chill mould can be a constituent part of a sand casting mould for the casting of a cylinder block from a light metal casting material.

Abstract: An apparatus for casting an ingot includes a molten metal reservoir (51) positioned at an upper portion, a casting chamber (5) positioned at a lower portion and a partition wall (3) between the reservoir and the chamber, a spruce (7) formed in the partition wall, an opening/closing plug (8) for opening and closing the sprue and control means for controlling an opening and closing operation of the plug. The casing chamber is defined in a mold (1) that includes a lower mold member (4), a side mold member (2) and the partition wall (3) that constitutes an upper mold member. At least one of the lower mold member, side mold member and upper mold member includes a plurality of divided sections (21,22) in accordance with a shape of a cast ingot C.

Abstract: Method of making a ceramic core for casting an industrial gas turbine engine airfoil having a large airfoil pitch by forming a precursor core (chill) of smaller dimensions than the final desired ceramic core, firing the chill, applying a thin ceramic skin to the fired chill to form a coated core of final dimensions, and then firing the coated core. Firing of the thin ceramic skin reduces airfoil pitch shrinkage resulting from the latter firing operation to reduce overall core dimensional tolerance variations.

Abstract: A method for producing a silicon ingot having a directional solidification structure comprising the steps of: placing a silicon raw material into a crucible of a melting device constructed by mounting a chill plate on an underfloor heater, mounting a crucible with a large cross-sectional area on the chill plate, providing an overhead heater over the crucible, and surrounding the circumference of the crucible with a heat insulator; heat-melting the silicon raw material by flowing an electric current through the underfloor heater and overhead heater; chilling the bottom of the crucible by halting the electric current through the underfloor heater after the silicon raw material has been completely melted to form a molten silicon; chilling the bottom of the crucible by flowing an inert gas through the chill plate; and intermittently or continuously lowering the temperature of the overhead heater by intermittently or continuously decreasing the electric current through the overhead heater, and an apparatus for pro

Abstract: A compact stacked mold is provided by reducing the sand-metal ratio. Cavities (11, 12) are formed on upper and lower sides (13, 14) of a chill plate (10) corresponding to one half of a cam profile, and the upper and lower sides (13, 14) are aligned with parting surfaces of a mold (15).

Abstract: Chill plates are integrated into a cassette to save the time which has been required to rearrange chill plates scattered at the time of output of castings. Each chill plate 1 is formed, on four corners thereof, with cavities 4 and 7 each corresponding to a quarter of a member to be chilled and with a center hole 9 through which a fixed shaft 7 is inserted in the center thereof.

Abstract: This invention is related to an improved technique for destructing chills. A novel tool, preferably in the form of a piston cylinder mechanism is introduced into the cavity of the chill, said tool comprising at least two reciprocally movable parts which are set in motion relative to each other in the cavity so as to squeeze apart the walls of the chills or portions thereof.