An alloy composition comprising Al is described, wherein the alloy comprises a yield strength of at least about 130 MPa and a bend angle of at least about 20° at a 3 mm section thickness when as-cast and without further processing. Processes for forming the alloy are also described.

Production methods for Ti—Al alloys may include: adding a flux including calcium oxide containing 35+wt. % calcium fluoride, to a melt starting material of Ti material and Al material and with 50+wt. % Al; introducing the fluxed melt starting material into a water-cooled copper crucible having a tapping port in the bottom, induction melting it inside the water-cooled copper crucible in at least a 1.33 Pa atmosphere; the flux, containing oxygen released from the melt starting material by the induction melting, is separated out by tapping the melt starting material, which was induction melted in the water-cooled copper crucible, downward from the tapping port; and when obtaining the Ti—Al alloy by casting the flux-removed melt starting material, the induction melting output is reduced to no more than 90% of that during melting and tapping is performed from the water-cooled crucible with the output in a reduced state.

A corrodible downhole article includes a magnesium alloy. The magnesium alloy includes: 1-9 wt % Zn; 1-2 wt % Cu; 0.5-1.0 wt % Mn; and 0.1-5 wt % of a corrosion promoting element (e.g., Ni). The alloy can have a 0.2% proof strength of at least 150 MPa when tested using standard tensile test method ASTM B557-10.

A method and apparatus for manufacturing an equiaxed crystal aluminum alloy cast ingot by using additive manufacturing and rapid solidification techniques are provided. The apparatus comprises: a metal heating mechanism and a negative pressure cooling mechanism. The metal heating mechanism is located above the negative pressure cooling mechanism and is connected thereto by a nozzle. The negative pressure cooling mechanism comprises a vacuum chamber having an air inlet hole and an air outlet hole, and a three-dimensional moving ingot mechanism disposed inside the vacuum chamber. The three-dimensional moving ingot mechanism comprises a moving ingot and a two-dimensional moving platform vertically connected to the moving ingot. A water cooling mechanism is disposed outside the moving ingot, and the moving ingot is driven by a precision motor to precisely move up and down.

Provided is a method for processing an aluminum alloy comprising: 0.5% by mass or more and 1.0% by mass or less of Mg, 0.5% by mass or more and 3.0% by mass or less of Si, 0.2% by mass or more and 0.4% by mass or less of Cu, 0.15% by mass or more and 0.25% by mass or less of Mn, 0.1% by mass or more and 0.2% by mass or less of Ti, 0.05% by mass or more and 0.2% by mass or less of Cr, and 120 ppm by mass or less of Sr, the method comprising casting the aluminum alloy and forging the cast aluminum at a temperature of 500° C. or more and 535° C. or less.

A substrate handling chamber body is formed from a castable aluminum alloy including a manganese (Mn) constituent and an iron (Fe) constituent. The castable aluminum alloy has a manganese (Mn) constituent-to-iron (Fe) constituent ratio that between about 1.125 and about 1.525 to limit microporosity and shrinkage porosity within the castable aluminum alloy forming the substrate handling chamber body. Semiconductor processing systems and methods of making substrate handling chamber bodies for semiconductor processing systems are also described.

A method for producing a motor vehicle rim made of an aluminum alloy for a wheel of a motor vehicle, the motor vehicle rim having a rim base limited on opposite sides by an outer horn and an inner horn, a hub with a central recess and a hole circle, and a rim center connecting the rim base and the hub to one another. The motor vehicle rim is produced in one piece and continuously in a casting mold by die casting of a casting material, the casting material being the aluminum alloy.

A manufacturing process for obtaining extruded products made from a 6xxx aluminium alloy, wherein the said manufacturing process comprises following steps: a) homogenizing a billet cast from said aluminium alloy; b) heating the said homogenised cast billet; c) extruding the said billet through a die to form at least a solid or hollow extruded product; d) quenching the extruded product down to room temperature; e) optionally stretching the extruded product to obtain a plastic deformation typically between 0.5% and 5%; f) ageing the extruded product without applying on the extruded product any separate post-extrusion solution heat treatment between steps d) and f). characterised in that: i) the heating step b) is a solution heat treatment where: b1) the cast billet is heated to a temperature between Ts-15° C. and Ts, wherein Ts is the solidus temperature of the said aluminium alloy; b2) the billet is cooled until billet mean temperature reaches a value between 400° C. and 480° C. while ensuring billet surface never goes below a temperature substantially close to 400° C.; ii) the billet thus cooled is immediately extruded (step c)), i.e. a few tens seconds after the end of step b2).

A medical scope device such as an endoscope is produced using a cast aluminum process including a molten casting aluminum alloy including a maximum of 0.2 - 0.3% Si and at least 5% Zn. The process includes providing an investment casting mold, casting the aluminum alloy in the mold to create a component and removing the mold from the component, post-machining the component to meet a desired specification, and after post-machining the component, performing surface finishing, such as centrifugal barrel finishing (CBF) sufficient to remove impurities on casting surfaces by 2 - 3 mils, then coating the component with a micro-crystalline aluminum anodic coating of at least 0.5 mil thickness. A medical scope and product-by-process is also provided employing such techniques.

An injection molding material for magnesium thixomolding includes: a powder containing Mg as a main component; and a chip containing Mg as a main component, in which a proportion of the powder in the injection molding material for magnesium thixomolding is 5 mass % or more and 45 mass % or less, and a tap density of the powder is 0.15 g/cm.sup.3 or more.