Method of consolidating/molding near net-shaped components made from powders

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United States of America Patent

PATENT NO 9457404
APP PUB NO 20140219854A1
SERIAL NO

13758609

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method for consolidating a pre-form made of powder, comprising: (a) placing the pre-form between smart susceptors; (b) heating the smart susceptors to a leveling temperature by applying a varying low-strength magnetic field having a magnetic flux that passes through surfaces of the smart susceptors; (c) applying consolidation pressure to the pre-form at least during a time period subsequent to the temperature of the smart susceptors reaching the leveling temperature; and (d) while consolidation pressure is being applied, applying a pulsed high-strength magnetic field having a magnetic flux that passes through a surface of the pre-form. The strength and pulse rate of the high-strength magnetic field are selected so that the crystallographic phase of the pre-form will rapidly oscillate at a substantially constant temperature. The pulsed high-strength magnetic field is applied sufficiently long that superplasticity of the pre-form is attained during phase oscillation.

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Patent Owner(s)

Patent OwnerAddress
THE BOEING COMPANY100 NORTH RIVERSIDE PLAZA CHICAGO IL 60606

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Matsen, Marc R Seattle, US 158 2870
Miller, Robert James Fall City, US 46 326
Negley, Mark Alan Bellevue, US 11 135

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