Ut-battelle, Inc.

Iowa State University Research Foundation Inc

The University of Tennessee Research Foundation

Eck Industries, Inc.

University of Florida Research Foundation Inc

Lawrence Livermore National Security, LLC

Trustees of the Colorado School of Mines

Hunter B Henderson

Orlando Rios

David J Weiss

Zachary C Sims

Ryan T Ott

Michele Viola Manuel

Ryan Dehoff

Scott McCall

Gerard Michael Ludtka

Michael S Kesler

Alex J Plotkowski

Amit Shyam

Scott K Mccall

Sudarsanam Suresh Babu

Ying Yang

Niyanth Sridharan

Kevin D Sisco

Benjamin George Keselowsky

Kelly Alexander Jordan

Malisa Sarntinoranont

Harpreet Singh Brar

Peeyush Nandwana

Alexander J Plotkowski

Aurelien Perron

Michael G Kesler

Ida E Svensson Berglund

Sumit Bahl

Kevin M Anderson

Bruce A Moyer

Amelia M Elliott

Craig A Bridges

Corby G Anderson

Alexander A Baker

Michael Alan McGuire

Patrice E A Turchi

Hao Cui

Emily E Moore

Eric Thomas Stromme

Fanqiang Meng

Tian Li

Max Neveau

Richard Michi

Lawrence Allard, Jr

A product includes a material having aluminum and at least one rare earth element (REE). The material includes the following microstructure features: at least 1 volume % particles of a phase of an aluminum-rare earth element alloy, the particles comprise at least 5 weight % of the at least one rare earth element, the particles have an average aspect ratio less than or equal to 5, and an average interparticle spacing between the particles is less than or equal to 1 μm. A method includes forming a base material, the base material having aluminum and at least one rare earth element (REE), and working the base material to form a product.

Thermomechanically processed, nanostructure aluminum-rare earth element alloys

Disclosed herein are embodiments of rapidly solidified alloys that comprise aluminum, a rare earth element, one or more additional alloying elements, such as aluminum, and an optional additive component. The alloy embodiments exhibit a unique microstructure as compared to microstructures obtained from other alloys that are not rapidly cooled. The disclosed aluminum-rare earth element alloys also exhibit improved mechanical properties without the need for post-processing heat treatments and further do not exhibit substantial coarsening.

Rapidly solidified aluminum-rare earth element alloy and method of making the same

Disclosed herein are embodiments of an Al—Ce—Cu alloy for use in additive manufacturing. The disclosed alloy embodiments provide fabricated objects, such as bulk components, comprising a heterogeneous microstructure and having good mechanical properties even when exposed to conditions used during the additive manufacturing process. Methods for making and using alloy embodiments also are disclosed herein.

Aluminum-cerium-copper alloys for metal additive manufacturing

Production of a bulk Al-RE alloy body (product) using cast billets/ingots (cooling rates <100 C/s) or rapidly solidified Al-RE particulates (cooling rates 10-10° C./second) that have beneficial microstructural refinements that are further refined by subsequent consolidation to produce a consolidated bulk alloy product having excellent mechanical properties over a wide temperature range such as up to and above 230° C.

Thermo-mechanical processing of high-performance Al-RE alloys

Embodiments of the present disclosure provide for structures including an alloy of calcium, strontium, and magnesium.

Bioresorbable metal alloy and implants

Disclosed herein are embodiments of an Al—Ce—Ni alloy for use in additive manufacturing. The disclosed alloy embodiments provide fabricated objects, such as bulk components, comprising a heterogeneous microstructure and having good mechanical properties even when exposed to conditions used during the additive manufacturing process. Methods for making and using alloy embodiments also are disclosed herein.

Aluminum-cerium-nickel alloys for additive manufacturing

A product includes a material having: nickel and at least one rare earth element. The at least one rare earth element is present in the material in a weight percentage in a range of about 2% to about 20% relative to a total weight of the material. A method includes forming a material comprising an alloy of nickel and at least one rare earth element. The at least one rare earth element is present in the material in a weight percentage in a range of about 2% to about 20% relative to a total weight of the material.

Castable high temperature nickel-rare earth element alloys

Disclosed herein is a method comprising disposing a container containing a metal and/or ferromagnetic solid and abrasive particles in a static magnetic field; where the container is surrounded by an induction coil; activating the induction coil with an electrical current, to heat up the metallic or ferromagnetic solid to form a fluid; generating sonic energy to produce acoustic cavitation and abrasion between the abrasive particles and the container; and producing nanoparticles that comprise elements from the container, the metal and/or the ferromagnetic solid and the abrasive particles. Disclosed herein too is a composition comprising first metal or a first ceramic; and particles comprising carbides and/or nitrides dispersed therein. Disclosed herein too is a composition comprising nanoparticles comprising chromium carbide, iron carbide, nickel carbide, &#x3b3;-Fe and magnesium nitride.

Method for producing nanoparticles and the nanoparticles produced therefrom

Disclosed herein are embodiments of aluminum-based alloys having improved intergranular corrosion resistance. Methods of making and using the disclosed alloy embodiments also are disclosed herein.

Aluminum alloys with improved intergranular corrosion resistance properties and methods of making and using the same

An alloy includes aluminum, a rare earth element, and an alloying element selected from the following: Si, Cu, Mg, Fe, Ti, Zn, Zr, Mn, Ni, Sr, B, Ca, and a combination thereof. The aluminum (Al), the rare earth element (RE), and the alloying element are characterized by forming at least one form of an intermetallic compound. An amount of the rare earth element in the alloy is in a range of about 1 wt. % to about 12 wt. %, and an amount of the alloying element in the alloy is greater than an amount of the alloying element present in the intermetallic compound.

Rare Earth Element&#x2014;Aluminum Alloys

Disclosed herein are embodiments of an Al&#x2014;Ce&#x2014;Mn alloy for use in additive manufacturing. The disclosed alloy embodiments provide fabricated objects, such as bulk components, comprising a heterogeneous microstructure and having good mechanical properties even when exposed to conditions used during the additive manufacturing process. Methods for making and using alloy embodiments also are disclosed herein.

Aluminum-cerium-manganese alloy embodiments for metal additive manufacturing

A reactive matrix infiltration process is described herein, which includes contacting a surface of a preform comprising reinforcement material particles with a molten infiltrant comprising a matrix material, the matrix material comprising an Al&#x2014;Ce alloy, whereby the infiltrant at least partially fills spaces between the reinforcement material particles by capillary action and reacts with the reinforcement material particles to form a composite material form, the composite material comprising the matrix material, at least one intermetallic phase, and, optionally, reinforcement material particles. A composite material form also is described, which includes a plurality of reinforcement material particles comprising a metal alloy or a ceramic, a matrix material at least partially filling spaces between the reinforcement material particles; and at least one intermetallic phase surrounding at least some of the reinforcement material particles. The reinforcement material particles and intermetallic phase together may form a gradient core-shell structure.

Reactive matrix infiltration of powder preforms

Described herein are additive manufacturing methods and products made using such methods. The alloy compositions described herein are specifically selected for the additive manufacturing methods and provide products that exhibit superior mechanical properties as compared to their cast counterparts. Using the compositions and methods described herein, products that do not exhibit substantial coarsening, such as at elevated temperatures, can be obtained. The products further exhibit uniform microstructures along the print axis, thus contributing to improved strength and performance. Additives also can be used in the alloys described herein.

Additive manufacturing methods using aluminum-rare earth alloys and products made using such methods

Growing community of inventors

Knoxville, TN, United States of America

Hunter B Henderson