Abstract: BMG may be squeeze cast in a squeeze cast machine. The squeeze cast machine may have a vacuum chamber, a transfer sleeve entirely located inside the vacuum chamber, and a plunger inside the transfer sleeve. The transfer sleeve may be configured to receive BMG feedstock from outside the vacuum chamber. The vacuum chamber may prevent contamination of a BMG in a molten state. The plunger may push a BMG in a molten state into a mold.

Abstract: One embodiment provides a method of melting, comprising: providing a mixture of alloy elements that are at least partially crystalline; and heating the mixture in a container to a temperature above a melting temperature of the alloy elements to form an alloy, wherein the container comprises silica, and wherein the mixture comprising Zr and is free of Ti and Be.

Abstract: Collector plates made of bulk-solidifying amorphous alloys, the bulk-solidifying amorphous alloys providing ruggedness, lightweight structure, excellent resistance to chemical and environmental effects, and low-cost manufacturing, and methods of making such collector plates from such bulk-solidifying amorphous alloys are provided.

Abstract: Bulk solidifying amorphous alloys exhibiting improved processing and mechanical properties and methods of forming these alloys are provided. The bulk solidifying amorphous alloys are composed to have high Poisson's ratio values. Exemplary Pt-based bulk solidifying amorphous alloys having such high Poisson's ratio values are also described. The Pt-based alloys are based on Pt—Ni—Co—Cu—P alloys, and the mechanical properties of one exemplary alloy having a composition of substantially Pt57.5Cu14.7Ni5.3P22.5 are also described.

Abstract: One embodiment provides a method of making an alloy feedstock, comprising: forming a first composition by combining Fe with a first nonmetal element; forming a second composition by combining Fe with a plurality of transition metal elements; forming a third composition by combining the second composition with a second nonmetal element; and combining the first composition with the third composition to form an alloy feedstock.

Abstract: Disclosed is a temperature regulated vessel, and method for using the same, having a body configured to melt meltable material received therein, and one or more temperature regulating lines within the body configured to flow a liquid therein for regulating a temperature of the meltable material received in the melting portion. The vessel has a poor or low thermally conductive material on one or more of its parts, such as on the melting portion, on exterior surfaces of the body, and/or surrounding the temperature regulating lines to increase melt temperature of the material. The melting portion can also have indentations in its surface, and low thermally conductive material can be provided in the indentations. The vessel can be used to melt amorphous alloys, for example.

Abstract: Embodiments herein relate to forming nano- and/or micro-replication directly embossed in a bulk solidifying amorphous alloy comprising a metal alloy by superplastic forming of the bulk solidifying amorphous alloy at a temperature greater than a glass transition temperature (Tg) of the metal alloy.

Abstract: Disclosed is an apparatus for loading one or more alloy ingots into a molding machine. The apparatus includes a holder configured to hold a plurality of the alloy ingots and dispense one or more of the alloy ingots into a melt zone of the molding machine through an opening in a mold of the machine. The holder is moved in a perpendicular direction with respect to an axis along a center of the opening in the mold between a first position in line with the opening in the mold to dispense one or more of the alloy ingots and a second position away from the opening in the mold. The apparatus can carry ingots of amorphous alloy material so that when the machine melts and molds the material, it forms a bulk amorphous alloy containing part.

Abstract: A method to form an enclosure or assembly which is fitted together and joined via a thermoplastic forming operation in order to seal the enclosure and hinder attempts to tamper with the contents.

Abstract: Radiation shielding structures comprising bulk-solidifying amorphous alloys and methods of making radiation shielding structures and components in near-to-net shaped forms are provided.

Abstract: BMG may be squeeze cast in a squeeze cast machine. The squeeze cast machine may have a vacuum chamber, a transfer sleeve entirely located inside the vacuum chamber, and a plunger inside the transfer sleeve. The transfer sleeve may be configured to receive BMG feedstock from outside the vacuum chamber. The vacuum chamber may prevent contamination of a BMG in a molten state. The plunger may push a BMG in a molten state into a mold.

Abstract: Described herein is a plunger of an injection molding machine, comprising a plunger body; a plunger tip that is a separate element from the plunger body and comprises an end surface configured to directly contact a molten material used in injection molding in the injection molding machine; wherein thermal conductance across the end surface of the plunger tip may be adjustable by moving the plunger tip relative to the plunger body such that temperature of the plunger tip may be adjusted during injection molding. When this plunger is used to injection molding of a BMG, it allows reduction of formation of crystalline phases near the plunger tip and allows replacement of the plunger tip without replacement of the plunger body.

Abstract: Disclosed herein is a device comprising: vacuum chamber; a stage configured to receive BMG in a molten state or a BMG feedstock, configured to spin, and located in the vacuum chamber; a heater configured to melt the BMG feedstock or to keep BMG in a molten state molten; wherein the stage comprises one or more conduits therein and the conduits are configured to accommodate a cooling fluid. Also disclosed herein is a method of forming a solid BMG sheet, the method comprising: disposing BMG in a molten state onto a stage; spreading the BMG in a molten state into a sheet of BMG in a molten state by spinning the stage; cooling the sheet of BMG in a molten state to form a solid BMG sheet.

Abstract: Various embodiments provide apparatus and methods for melting and introducing alloy feedstock for molding by using a hollow branch having a constraint mechanism therein. In one embodiment, a hollow branch can extend upward from a cold chamber that is substantially horizontally configured. The hollow branch including a constraint mechanism can be capable of containing an alloy feedstock for melting into the molten alloy in the hollow branch and introducing the molten alloy to the cold chamber for molding.

Abstract: Antenna structures made of bulk-solidifying amorphous alloys and methods of making antenna structures from such bulk-solidifying amorphous alloys are described. The bulk-solidifying amorphous alloys providing form and shape durability, excellent resistance to chemical and environmental effects, and low-cost net-shape fabrication for the highly intricate antenna shapes.

Abstract: Bulk solidifying amorphous alloys exhibiting improved processing and mechanical properties and methods of forming these alloys are provided. The bulk solidifying amorphous alloys are composed to have high Poisson's ratio values. Exemplary Pt-based bulk solidifying amorphous alloys having such high Poisson's ratio values are also described. The Pt-based alloys are based on Pt—Ni—Co—Cu—P alloys, and the mechanical properties of one exemplary alloy having a composition of substantially Pt57.5Cu14.7Ni5.3P22.5 are also described.

Abstract: Various embodiments provide apparatus and methods for injection molding. In one embodiment, a constraining plunger may be configured in-line with an injection plunger to transfer a molten material from a melt zone and into a mold. The constraining and injection plungers are configured to constrain the molten material there-between while moving. The constrained molten material can be controlled to have an optimum surface area to volume ratio to provide minimized heat loss during the injection molding process. The system can be configured in a longitudinal direction (e.g., horizontally) for movement between the melt zone and mold along a longitudinal axis. A molded bulk amorphous object can be ejected from the mold.

Abstract: Various embodiments provide apparatus and methods for melting and introducing alloy feedstock for molding by using a hollow branch having a constraint mechanism therein. In one embodiment, a hollow branch can extend upward from a cold chamber that is substantially horizontally configured. The hollow branch including a constraint mechanism can be capable of containing an alloy feedstock for melting into the molten alloy in the hollow branch and introducing the molten alloy to the cold chamber for molding.

Abstract: One embodiment provides an article, comprising: an inner container having a cavity, the inner container comprising a ceramic; and an outer container, the outer container comprising a susceptor; wherein at least a portion of an outer surface of the inner container is in contact with an inner surface of the outer container, and wherein the inner container is removable from the mold. Methods of melting using the present article are also provided.

Abstract: A method of making composites of bulk-solidifying amorphous alloys, and articles made thereof, containing at least one type or reinforcement material, wherein the composite material preferably comprises a high volume fraction of reinforcement material and is fully-dense with minimum porosity are provided.