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Title: Powder satellite-reduction apparatus and method for gas atomization process

Patent ·
OSTI ID:2293688

The broad applicability of at least certain aspects of the present invention derives from the ability to determine the critical location where secondary satellite formation occurs for any atomization system or design and allows for the rapid assessment of the effectiveness of various satellite reduction strategies, including but not limited to several embodiments detailed herein. Aspects of this invention can be utilized during initial atomization system design in order to evaluate effective chamber geometries and enabling strategies which reduce/eliminate satelliting, or can be retrofit to existing systems and allows for economic evaluation of effectiveness based off of initial capital expenditures versus increased operating requirements/expenses.

Research Organization:
Ames Laboratory (AMES), Ames, IA (United States); Iowa State Univ., Ames, IA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC02-07CH11358
Assignee:
Iowa State University Research Foundation, Inc. (Ames, IA)
Patent Number(s):
11,780,012
Application Number:
17/304,586
OSTI ID:
2293688
Resource Relation:
Patent File Date: 06/23/2021
Country of Publication:
United States
Language:
English

References (12)

Apparatus for powder manufacture by atomizing a molten material patent November 1980
Method and system for estimating economic losses from wind storms patent July 2014
Apparatus for producing high purity metal powders patent November 1983
Atomizing nozzle and process patent June 1992
Process and apparatus for producing powder particles by atomization of a feed material in the form of an elongated member patent August 2017
Atomizing nozzle and method patent November 2000
Atomizer for improved ultra-fine powder production patent May 2018
Passivation and Alloying Element Retention in Gas Atomized Powders patent-application May 2018
Apparatus for melt atomization with a concave melt nozzle for gas deflection patent October 1986
Introduction to the Additive Manufacturing Powder Metallurgy Supply Chain journal July 2015
Computational fluid dynamics modeling of a bounded domain patent June 2014
Atomizing nozzle and process patent July 1993

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