ND:YAG LASER CUTTING AND WELDING OF COMBUSTION CHAMBER MATERIALS

Award Information
Agency:
Department of Defense
Branch
Air Force
Amount:
$100,000.00
Award Year:
1987
Program:
SBIR
Phase:
Phase II
Contract:
n/a
Award Id:
4030
Agency Tracking Number:
4030
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
2281 Calle De Luna, Santa Clara, CA, 95054
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Randal D Robinson
(408) 748-9955
Business Contact:
() -
Research Institute:
n/a
Abstract
JET ENGINE COMBUSTION CHAMBERS ROUTINELY REQUIRE REPAIR BY REMOVING CRACKED SECTIONS AND WELDING IN NEW ONES. LASER CUTTING AND WELDING MKE IT POSSIBLE TO PERFORM THESE REPAIRS MUCH FASTER. INTEGRATION OF THE LASER WITH A ROBOT WOULD MAKE IT POSSIBLE TO PERFORM THE REPAIRS SEMI-AUTOMATICALLY. THIS STUDY WILL EVALUATE THE PARAMETERS REQUIRED TO CUT AND WELD WITH A PULSED ND:YAG LASER THE MATERIALS USED IN PRATT AND WHITNEY TF30 COMBUSTION CHAMBERS. THESE MATERIALS CONSIST OF 0.045 INCH TO 0.090 INCH THICK HASTELLOY-X, HAYNES-188, AND STELLITE-31. THE CUTS AND WELDS PRODUCED WILL BE EVALUATED BY METALLOGRAPHY, MECHANICAL TESTING, MICROHARDNESS TESTING, AND ELEMENTAL MICROANALYSIS. IN ADDITION, THE CUTS AND WELDS WILL BE COMPARED WITH THOSE PRODUCED PREVIOUSLY WITH A CO(2) LASER IN A SEPARATE STUDY. RECOMMENDATIONS WILL BE MDE ON THE SUITABILITY OF USING A PULSED MD:YAG LASER TO REPAIR JET ENGINE COMBUSTION CHAMBERS.

* information listed above is at the time of submission.

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