Aluminum-cerium-copper alloys for metal additive manufacturing

US12247272B2 · kind B2 · utility

Assignees

• UT-BATTELLE, LLC · US
• Lawrence Livermore National Security, LLC · US
• IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC. · US
• University of Tennessee Research Foundation · US

Inventors

• Sumit Bahl · Knoxville, US
• Ryan R. Dehoff · Knoxville, US
• Hunter B. Henderson · Knoxville, US
• Scott K. McCall · Livermore, US
• Ryan T. Ott · Ames, US
• Alexander J. Plotkowski · Knoxville, US
• Orlando Rios · Knoxville, US
• Amit Shyam · Knoxville, US
• Zachary C. Sims · Knoxville, US
• Kevin D. Sisco · Knoxville, US
• David Weiss · Manitowoc, US
• Ying Yang · Knoxville, US

Key dates

• Filing date: Oct 29, 2020
• Grant date: Mar 11, 2025
• Expiry date: Mar 5, 2041

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B33Y80/00
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

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.