Turbine Component Rapid Manufacturing via Electron Beam Melting/Electrochemical Machining

Award Information
Agency:
Department of Energy
Branch
n/a
Amount:
$149,366.00
Award Year:
2011
Program:
SBIR
Phase:
Phase I
Contract:
DE-FG02-11ER90053
Award Id:
n/a
Agency Tracking Number:
96974
Solicitation Year:
2011
Solicitation Topic Code:
26 b
Solicitation Number:
DE-FOA-0000413
Small Business Information
6325 West 55th Avenue, Arvada, CO, 80002-2777
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
074072554
Principal Investigator:
Thomas Yost
Mr.
(303) 421-8111
tyost@barber-nichols.com
Business Contact:
Robert Linden
Mr.
(303) 421-8111
rlinden@barber-nichols.com
Research Institution:
Stub




Abstract
Development of new, more efficient gas turbine engines is a lengthy process of engine test iterations to maximize performance. This engine development cycle time is driven to a large extent by the manufacturing process used to produce the engine hot section turbine components. Barber-Nichols Inc. (BNI) proposes combining a newly developing rapid manufacturing process technology Electron Beam Melting (EBM) with Electro Chemical Machining (ECM) to reduce manufacturing cycle time and cost by replacing the existing investment casting and/or multi-axis machining methods used to produce turbine nozzles, blades and blisks. Successfully combining the near-net shape rapid manufacturing EBM process with the rapid removal rate afforded by the ECM process in relevant high temperature superalloys such as Inconel 625 or MAR-M-247 would enable manufacturing cycle time reductions of critical turbine components by a year or more and at a lower cost. During Phase I, BNI with support from Teledyne Brown Engineering, will demonstrate feasibility by rapidly manufacturing representative high-quality, dimensionally-accurate turbine blade geometries and internal cooling passages in both Inconel 625 and MAR-M-247 materials. Also during Phase I, verification of elevated temperature material tensile properties will give confidence that more extensive material tests in Phase II will enable usage of the EBM/ECM process for the rapid manufacture of turbine components to be tested at the end of Phase II in a representative gas turbine engine. Upon successful completion of Phase II, commercialization of the EBM/ECM process will begin to gain acceptance by gas turbine manufacturers with the utilization of EBM/ECM as a means to reduce development cycle time and cost of new, more efficient industrial gas turbine engines. Commercial Applications and Other Benefits: The benefits of the EBM/ECM process will span across all industries including medical, aerospace and others that require casting of parts during development and/or require limited production. The process provides a low-cost, rapid manufacturing alternative to casting and machining of complex parts in a broad range of structural metals.

* information listed above is at the time of submission.

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