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Dtic Ada077573%3a Program To Investigate Advanced Laser Processing Of Materials by Defense Technical Information Center
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1DTIC ADA077573: Program To Investigate Advanced Laser Processing Of Materials
By Defense Technical Information Center
During the course of the initial program year, UTRC's program to produce and spin test a 12.7 cm diameter turbine disk using the LAYERGLAZE (TM) Process fabrication technique has seen major milestones met in both the Processing and Alloy Design areas. Specifically, in the Processing area, a powder feed LAYERGLAZE apparatus has been designed, constructed, and used to produce LAYERGLAZE parts for mechanical test, and a 13.2 cm diameter, 3 cm thick scale model disk preform. Mechanical testing and microstructural analysis showed the LAYERGLAZED material to have excellent microstructure, along with good structural integrity and freedom from serious fabrication flaws. It thus appears that the process and the apparatus will be capable of producing test disks which will meet the program's major objective of a spin test in late 1980. In the alloy design area, a technique for effective, rapid screening of alloys for LAYERGLAZE fabricability has been devised. Early experience showed that all but the weakest of conventional superalloys crack under LAYERGLAZE fabrication conditions. Therefore, the alloy development task assumed the challenging role of identifying strong ductile alloys which are also fabricable by the LAYERGLAZE process. To date, a preliminary series of alloys based on the Ni-Al-Mo system has been identified, and one composition, Ni-8Al-12Mo-3Ta (at %) has been LAYERGLAZE fabricated and mechanically tested.
“DTIC ADA077573: Program To Investigate Advanced Laser Processing Of Materials” Metadata:
- Title: ➤ DTIC ADA077573: Program To Investigate Advanced Laser Processing Of Materials
- Author: ➤ Defense Technical Information Center
- Language: English
“DTIC ADA077573: Program To Investigate Advanced Laser Processing Of Materials” Subjects and Themes:
- Subjects: ➤ DTIC Archive - Breinan, E M - UNITED TECHNOLOGIES RESEARCH CENTER EAST HARTFORD CT - *LASERS - *MICROSTRUCTURE - *NICKEL ALLOYS - *PROCESSING - CRACK PROPAGATION - DEFECTS(MATERIALS) - FABRICATION - GLAZES - LAYERS - MATERIALS - MECHANICAL PROPERTIES - PHYSICAL PROPERTIES - SPINNING(MOTION) - SUPERALLOYS - TEST METHODS
Edition Identifiers:
- Internet Archive ID: DTIC_ADA077573
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The book is available for download in "texts" format, the size of the file-s is: 66.92 Mbs, the file-s for this book were downloaded 75 times, the file-s went public at Mon Oct 30 2017.
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