Reduction process for forming powdered alloys from mixed metal iron oxides

US4525206A · kind A · utility

Assignee

• Exxon Research and Engineering Company · US

Inventors

• Stuart L. Soled · Pittstown, US
• Aaron Wold · East Greenwich, US
• Robert William Kershaw · Melbourne, AU

Key dates

• Filing date: Jun 15, 1984
• Grant date: Jun 25, 1985
• Expiry date: Jun 15, 2004

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C22B5/04
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Use of a strong reducing agent such as calcium metal allows complete reduction of refractory and difficulty reducible mixed metal iron oxides to form alloys. The powdered iron-based alloys can thus be prepared at significantly lower temperature than by the conventional melt technique.