Process for producing spheroidized powder from feedstock materials

US11471941B2 · kind B2 · utility

Assignee

• 6K Inc. · US

Inventors

• John Barnes · Hilo, US
• Aaron Bent · Andover, US
• Kamal Hadidi · Somerville, US
• Makhlouf Redjdal · Melrose, US
• Scott Joseph Turchetti · Sudbury, US
• Saurabh Ullal · Berkeley, US
• Ning Duanmu · Nashua, US
• Michael C. Kozlowski · Wakefield, US

Key dates

• Filing date: Nov 23, 2020
• Grant date: Oct 18, 2022
• Expiry date: Jan 19, 2041

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02W30/50
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Disclosed herein are embodiments of methods, devices, and assemblies for processing feedstock materials using microwave plasma processing. Specifically, the feedstock materials disclosed herein pertains to scrap materials, dehydrogenated or non-hydrogenated feed material, and recycled used powder. Microwave plasma processing can be used to spheroidize and remove contaminants. Advantageously, microwave plasma processed feedstock can be used in various applications such as additive manufacturing or powdered metallurgy (PM) applications that require high powder flowability.