B22D11/003

System and method for controlling the casting of a product

A system for controlling the progress of the manufacture of at least one product by vertical semi-continuous direct chill casting, in particular from aluminium alloy, in a fixed mold, the control system includes a dummy bottom configured to form a movable lower bottom of the fixed mold and to carry the product during casting; a weighing cell, on which the dummy bottom is arranged to rest, the weighing cell being configured to take measurements representative of the mass of the product carried by the dummy bottom during casting; and a support of the dummy bottom, to which the weighing cell is linked, configured to lower the false bottom relative to the fixed mold, substantially in a vertical direction, during casting; and a processing unit connected to each weighing cell, and configured to process the measurements, and calculate the variation in the mass of the product over time.

Method for manufacturing turbomachine components, blank and final component

The manufacture of a metal turbomachine part, comprising steps consisting of melting a titanium-aluminium intermetallic compound by plasma torch in a ring mould, extracting therefrom an ingot, as cast, in a state cooled from molten, cutting the ingot into at least one blank with an external shape that is simpler than the more complex one of said part to be manufactured, and machining the blank in order to obtain the part with said more complex external shape.

CAST METAL PRODUCTS WITH HIGH GRAIN CIRCULARITY

Systems and methods for making aluminum alloy products are described including those that decrease the tendency for hot tearing or shrinkage porosity to occur during casting by introducing forced convection during the casting process. The forced convection may result in formation of high circularity grains during the solidification process, thereby increasing the permeability of the liquid aluminum alloy and decreasing the tendency for hot tearing or shrinkage porosity to occur.

Method for manufacturing a conductive wire

A method for manufacturing a conductive wire includes conducting a continuous casting of a conductive alloy material at a casting rate of not less than 40 mm/min and not more than 200 mm/min to form a conductive wire with a primary diameter, the conductive alloy material containing not more than 1.0 mass % of an added metal element, reducing a diameter of the conductive wire with the primary diameter to form a conductive wire with a secondary diameter, heat treating the conductive wire with the secondary diameter so that tensile strength thereof is reduced to not less than 90% and less than 100% of tensile strength before the heat treating, and reducing a diameter of the conductive wire with the secondary diameter and the reduced tensile strength to generate a logarithmic strain of 7.8 to 12.0 therein to form a conductive wire with a tertiary diameter.

Aluminium-copper-lithium alloy products with improved fatigue properties

The disclosure provides for plate having a thickness of at least 80 mm comprising aluminium alloy as a percentage by weight %: Cu: 2.0-6.0; Li: 0.5-2.0; Mg: 0-1.0; Ag: 0-0.7; Zn 0-1.0; and at least one element selected from Zr, Mn, Cr, Sc, Hf and Ti, the amount of said element, if selected, being 0.05 to 0.20 wt % for Zr, 0.05 to 0.8% wt % t for Mn, 0.05 to 0.3 wt % for Cr and for Sc, 0.05 to 0.5 wt % Hf and 0.01 to 0.15% wt % for Ti, Si0.1; Fe0.1; others 0.05 each and 0.15 in total, wherein the aged state logarithmic fatigue mean measured at mid-thickness in the LT direction on smooth specimens with a maximum stress amplitude of 242 MPa, a frequency of 50 Hz, a stress ratio of R=0.1 of at least 250,000 cycles.

CONDUCTIVE WIRE, METHOD FOR MANUFACTURING CONDUCTIVE WIRE, CASTING CONDUCTIVE WIRE, CABLE AND METHOD FOR MANUFACTURING CABLE

A method for manufacturing a conductive wire includes conducting a continuous casting of a conductive alloy material at a casting rate of not less than 40 mm/min and not more than 200 mm/min to form a conductive wire with a primary diameter, the conductive alloy material containing not more than 1.0 mass % of an added metal element, reducing a diameter of the conductive wire with the primary diameter to form a conductive wire with a secondary diameter, heat treating the conductive wire with the secondary diameter so that tensile strength thereof is reduced to not less than 90% and less than 100% of tensile strength before the heat treating, and reducing a diameter of the conductive wire with the secondary diameter and the reduced tensile strength to generate a logarithmic strain of 7.8 to 12.0 therein to form a conductive wire with a tertiary diameter.

ALUMINUM ALLOYS FOR USE IN ELECTROCHEMICAL CELLS AND METHODS OF MAKING AND USING THE SAME
20200147675 · 2020-05-14 ·

New aluminum electrode alloys and methods of making the same are disclosed. In one embodiment, a method comprises, casting an aluminum alloy into an as-cast product, wherein the aluminum alloy comprises from 0.005 wt. % to 0.06 wt. % Fe, and forming the as-cast product into an aluminum electrode alloy. The casting step may comprise solidifying at a solidification rate. The solidification rate may be at or above a threshold solidification rate. The threshold solidification rate is sufficient to achieve not greater than 0.04 vol. % of Fe particles.

Process and apparatus for direct chill casting

A process in direct chill casting wherein molten metal is introduced into a casting mold and cooled by impingement of a liquid coolant on solidifying metal in a casting pit including a movable platen and an occurrence of a bleed-out or run-out is detected the process including exhausting generated gas from the casting pit; and introducing an inert gas into the casting pit, the inert gas having a density less than a density of air; reducing any flow of the liquid coolant.

FORMABLE, HIGH STRENGTH ALUMINUM ALLOY PRODUCTS AND METHODS OF MAKING THE SAME

Described herein are formable, high strength aluminum alloy products and methods of preparing and processing the same. The methods of preparing and processing the aluminum alloy products include casting an aluminum alloy and performing tailored rolling and downstream thermal processing steps. The resulting aluminum alloy products possess high strength and formability properties.

CONTINUOUS CASTING APPARATUS FOR METAL AND CONTINUOUS CASTING METHOD
20200122227 · 2020-04-23 · ·

A continuous casting apparatus for metal is provided. A refrigerant is ejected from ejection ports arranged on an outer side of an outer periphery of an ingot to cool the ingot that continuously passes through a mold and solidifies. When an axis connecting the ejection port and an axis of the ingot is denoted as a projection reference axis as viewed in a direction of the axis of the ingot, the ejection port is configured such that an ejection direction of the refrigerant ejected from the ejection port is inclined in one direction with reference to the projection reference axis so that the ejection direction of the refrigerant do not intersect with the axis of the ingot.