Abstract: A continuous casting process of a steel semi-product is provided. The process includes a step of casting using a hollow jet nozzle located between a tundish and a continuous casting mould. The nozzle includes, in its upper part, a dome for deflecting the liquid metal arriving at the inlet of the nozzle towards the internal wall of the nozzle, defining an internal volume with no liquid metal. A simultaneous step of injecting powder through a hole of the dome occurs. The powder has a particle size of 200 ?m or less. The dome includes a first device to inject the powder without any contact with the dome and a second device to avoid sticking or sintering of the powder onto the first device.

Abstract: Systems and methods may utilize magnetic rotors to heat molten metal in the corner regions of a mold during casting (e.g., casting of an ingot, billet, or slab). The magnetic rotors are positioned adjacent to the corners of the mold and heat the molten metal in the corner region to increase the temperature of the molten metal adjacent the corners. The increased temperature of the molten metal in the mold corners can prevent intermetallics from forming in the molten metal or otherwise reduce such formation.

Abstract: A ceramic core (40) for an investment casting process (80) including a subsurface internal channel (50) for the introduction of leachate (98) to improve the effectiveness of a leaching process used to remove the core (94) from a cast alloy component (100). The subsurface internal channel may be completely hollow, or it may include one or more ribs (54). The core may be formed (82) using a 3D printing process wherein a carrier material (68) is deposited in a central region of the channel for the purpose of supporting an overlying layer (62) of core material, with the carrier material later being removed to reveal the hollow internal channel (52).

Abstract: A containment system for laterally containing a liquid metal material or liquid metal alloy at an open side end of a passage defined between two casting members, the system including a pneumatic device ending with a hollow end element adapted to be arranged close to the open side end of the passage, wherein the hollow end element defines a chamber therein, wherein the pneumatic device is adapted to feed a compressed aeriform substance into the chamber, and wherein the hollow end element is provided with at least one blowing face for blowing the compressed aeriform substance from the chamber towards a side containment zone for the liquid metal.

Abstract: A surfactant composition for a foamed sand including 80 to 99.8 mass % of a compound (A) represented by formula (1); 0.1 to 10 mass % of a compound (B) represented by formula (2); and 0.1 to 10 mass % of an amphoteric surfactant (C): R1O-(EO)n—SO3M1??(1) wherein R1 represents a hydrocarbon group having 6 to 22 carbons, EO represents oxyethylene group, n is 1 to 10, and M1 represents an alkali metal, an alkaline earth metal, ammonium or an organic ammonium; R2O—SO3M2??(2) wherein R2 represents a hydrocarbon group having 6 to 22 carbons, and M2 represents an alkali metal, an alkaline earth metal, ammonium or an organic ammonium.

Abstract: What are described are the use of a refractory coating composition for production of cores for diecasting, a kit for production of cores for use in diecasting, a method of producing cores for use in diecasting, cores for use in diecasting, and the use of such cores in diecasting, especially of lightweight metals.

Abstract: A metal/ceramic bonding substrate wherein the bonding strength of an aluminum plate bonded directly to a ceramic substrate is higher than that of conventional metal/ceramic bonding substrates, and a method for producing same, wherein the method includes arranging a ceramic substrate in a mold; putting the mold in a furnace; lowering an oxygen concentration to 25 ppm or less and a dew point to ?45° C. or lower in the furnace; injecting a molten metal of aluminum into the mold to contact the surface of the ceramic substrate; and cooling and solidifying the molten metal to form a metal plate for a circuit pattern of aluminum on one side of the ceramic substrate to bond one side of the metal plate for a circuit pattern directly to the ceramic substrate, while forming a metal base plate of aluminum on the other side of the ceramic substrate.

Abstract: Provided are casting products for cooling heating elements, the casting products including: a body made of a metal material; and a cooling pipe providing a path through which a cooling fluid flows, and being made of an aluminum alloy material, wherein the body includes a plate-shaped plate portion, protrusion extensions protruding from the plate portion and extending along the cooling pipe so that at least part of the cooling pipe is fully buried, and a cooling pin structure formed integrally with the plate portion, and the cooling pipe is formed in such a way that a first pipe thickness of the cooling pipe having a cross-sectional shape in a first direction is greater than a second pipe thickness in a second direction perpendicular to the first direction, and the first direction is in parallel to the plate portion, and the second direction is a thickness direction of the plate portion.

Abstract: A method for manufacturing a cast product in which a core can be easily discharged from a casting roughly-shaped material is provided. A method for manufacturing a cast product according to the present disclosure includes: a step of hermetically sealing a casting roughly-shaped material formed by casting using a core in a container containing water; a step of heating the water contained in the container while keeping the casting roughly-shaped material hermetically sealed and thereby destroying the core while keeping a pressure inside the container at a pressure higher than an atmospheric pressure, and thereby forming core sand; and a step of discharging the core sand from the casting roughly-shaped material.

Abstract: A method for producing a strip using a rapid solidification technology is provided. A melt is poured onto a moving outer surface of a rotating casting wheel, the melt is solidified on the outer surface and a strip is formed. A gaseous jet is directed at the moving outer surface and the outer surface of the casting wheel is worked with the jet. The jet comprises CO2 and at least part of this CO2 strikes the moving outer surface of the casting wheel in a solid state.

Abstract: The present invention relates to a substrate-triggered single crystal superalloy directional solidification process, including: (1) preparing a single crystal substrate material having crystallographic characteristics that match crystallographic characteristics of the single crystal superalloy; (2) fabricating a single crystal substrate chilling plate using the obtained single crystal substrate material; and (3) applying the obtained single crystal substrate chilling plate in a directional solidification apparatus, and then preparing a single crystal alloy product by performing superalloy melting and directional solidification.

Abstract: Equipment and a machine and a process for continuously casting strips of battery foils and/or strips of battery grids. The battery foils and grids are composed of lead or a lead alloy material. The foils, in particular, can be employed as current collectors in bipolar batteries. The machine, per an implementation, has a mold ring, a movable belt, one or more rollers, and one or more shoes. The mold ring rotates and has a mold cavity. The mold cavity can establish foil molds or grid molds. The movable belt moves about the roller(s) with a face in confrontation with the mold ring. The shoe(s) urges the movable belt into engagement with the mold ring. Liquid lead is delivered to the mold cavity adjacent the location in which the movable belt engages the mold ring amid use of the machine.

Abstract: A composition for making cores and a process for metal casting, the composition comprising: a particulate refractory material; an inorganic binder comprising at least one alkali metal silicate; a pozzolanic additive; and a lustrous carbon former. The process includes forming a core from the composition and assembling a mould comprising the core and supplying molten metal.

Abstract: Methods for manufacturing rotary target materials that allow a material to be cast in a melting zone of a casting vessel while the vessel is rotated such that a melting zone is below a casting zone. The vessel is sealed and the pressure inside the vessel is reduced and the exterior of the vessel is heated. The melting zone of the vessel is heated to a temperature that melts the material and releases any trapped gasses which can be pumped out using the vacuum pump. Once the melting zone and molten material have reached a specified temperature, outgassed, and the casting zone has reached a temperature to maximize adhesion and reduce voids and defects, the vessel is rotated until the melting zone is directly above the casting zone to transfer the material from the melting zone to the casting zone.

Abstract: A strand-guiding section arranged downstream of a continuous casting mould of a continuous casting line. The strand-guiding section has at least one strand-guiding roller supporting a metal strand cast with the continuous casting mould, is mounted in roller bearings in the strand-guiding section, and has at least one sensor device, which has at least one vibration sensor acoustically coupled to the strand-guiding roller or its roller bearings to detect the vibrations occurring with the rotation of the strand-guiding roller in the roller bearings. The strand-guiding roller is cooled internally by a cooling water. The vibration sensor is acoustically coupled to the strand-guiding roller and/or to the roller bearings via the cooling water. The evaluation device determines the status of the at least one roller bearing by evaluating the vibration data.

Abstract: A strand guide device serves to deflect a freshly cast strand, typically made of metal, into the horizontal. During the deflection, the cast strand passes through a cooling chamber 1 inside the strand guide device 2, in which it is sprayed with a coolant 33, with the formation of steam 5. The steam forms at least a steam-air mixture 5? with sucked-in secondary air, which is sucked out of the cooling chamber by a suction device 20. In order to reduce the pollutant content of the sucked-in and sucked-off steam-air mixture 5? and its emission into the environment, pollutants, primarily dust, located in the steam-air mixture 5? are depleted by a separator 6, 6?.

Abstract: Disclosed herein is a casting cluster for casting a body of a golf club head made of titanium or a titanium alloy. The casting cluster comprises a receptor and a plurality of runners coupled to the receptor and configured to receive molten metal from the receptor. The casting cluster also includes at least twenty-eight main gates. At least two of the main gates are coupled to each of the runners and each main gate is configured to receive molten metal from a corresponding one of the plurality of runners. The casting cluster further comprises at least twenty-eight molds. Each mold of the at least twenty-eight molds is configured to receive molten metal from a corresponding one of the main gates and to cast a body of a golf club head that has a volume of at least 100 cm3.

Abstract: A system and method of manufacturing an aluminum fuel cell cradle includes providing a negative cast mold having cavities to form the cradle having a length greater than a width to define a longitudinal axis and providing a feeding mechanism disposed about the mold and in fluid communication with the cavities thereof. The feeding mechanism includes primary risers connected to and in fluid communication with the cavities. The method further includes melting a first metallic material to define a molten metallic material, moving the mold to a vertical orientation about the longitudinal axis while feeding molten metallic material through the runner to the cavities, and moving the cast mold to a horizontal orientation. A second solidification time in the risers is greater than a first solidification time in the mold such that shrinkage of the solidified metallic material occurs in the risers away from the mold.

Abstract: A casting assembly includes a core body extending along an axial direction between a first end and a second end, the core body having a core interior surface and a core exterior surface, with the core exterior surface shaping a part surface of a cast part. The core interior surface at least partially bounds a hollow cavity. The casting assembly also includes a shell body extending along the axial direction and having a first shell surface and a second shell surface, with at least a portion of the second shell surface facing the exterior surface of the core body.

Abstract: A method for improving smooth running of casting of rare earth stainless steel using pulse current includes the following steps: setting corresponding initial pulse voltage, pulse current, and pulse frequency in accordance with difference of rare earth element content in molten steel; and adjusting the pulse voltage, pulse current, and pulse frequency according to position change of stopper rod until the end of continuous casting. The method can stably improve the clogging of immersion nozzle during continuous casting, the smooth running of continuous casting and production efficiency, and decrease production cost.