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Evaluation of Processing Techniques for Producing Premium Quality, High Strength Aluminum Alloy Castings.
Report Number: AFML TR 68-8
Author(s): Oswalt, K. J.
Corporate Author: Northrop Corp Hawthorne CA Norair Div
Laboratory: Air Force Materials Laboratory
Publication Date: 12/1/1968
Pages: 283
Contract: AF 33(615)-5263
Project: 8-119
AD Number: AD0851879
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Tensile Properties Of Nearly Interstitial-Free Substitutional Iron Alloys
Report Number: AFML TR 68-18
Author(s): Dickenscheid, W.
Corporate Author: Universitaet Des Saarlandes Saarbruecken (West Germany) Inst For Metal Physics And Metallurgy
Laboratory: Air Force Materials Laboratory
Publication Date: 2/1/1968
Pages: 78
Contract: AF 61(052)-632
Project: 7353
Task: 735301
AD Number: AD0670208
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Surface Displacements On The End Of An Elastic Cylinder
Report Number: AFML TR 68-37
Author(s): Wilson, E. A.; Ling, F. F.
Corporate Author: Rensselaer Polytechnic Inst Troy N Y Dept Of Mechanics
Laboratory: Air Force Materials Laboratory
Publication Date: 2/1/1967
Pages: 125
Contract: AF 33(615)-3378
Project: 7342
Task: 734204
AD Number: AD0671525
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Effects Of Composite Interfaces On Mechanical Properties
Report Number: AFML TR 68-43
Author(s): Clark, Arthur B.
Corporate Author: Astro Research Corp Carpinteria CA
Laboratory: Air Force Materials Laboratory
Publication Date: 12/28/1967
Pages: 143
Contract: AF 33(615)-5031
Project: 7353
Task: 735301
AD Number: AD0834865
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Evaluation of the Mechanical Properties of 9Ni-4Co Steel Forgings
Report Number: AFML TR 68-57
Author(s): D. F. Bulloch, T. W. Eichenberger, J. L. Guthrie
Corporate Author: The Boeing Company
Laboratory: Air Force Materials Laboratory
Publication Date: 3/1/1968
Pages: 173
Contract: F33615-67-C-1724
Project: 7381
Task: 738106
AD Number: AD0833650
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Effect Of Surface On Fatigue Resistance And Brittle Fracture
Report Number: AFML TR 68-65
Author(s): Kramer, I. R.
Corporate Author: Martin Marietta Corp Denver Colo Denver Div
Laboratory: Air Force Materials Laboratory
Publication Date: 3/1/1968
Pages: 41
Features: + Foldout(s)
Contract: F33615-67-C-1297
Project: 7353
Task: 735303
AD Number: AD0670598
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Large Dynamic Deformations Caused By A Force Traveling On An Extensible String
Report Number: AFML TR 68-78
Author(s): Schultz, Albert B.
Corporate Author: Illinois Univ At Chicago Circle Dept Of Materials Engineering
Laboratory: Air Force Materials Laboratory
Publication Date: 3/1/1968
Pages: 32
Contract: F33615-67-C-1283
Project: 7351
Task: 735106
AD Number: AD0832614
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Mechanical Properties Data Center Operation And Development
Report Number: AFML TR 68-97
Author(s): Braden, Robert C.
Corporate Author: Mechanical Properties Data Center Traverse City Mich
Laboratory: Air Force Materials Laboratory
Publication Date: 6/1/1968
Pages: 42
Contract: F33615-67-C-1254
Project: 8975
Task: 897504
AD Number: AD0674062
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Manufacturing Process For Small Diameter Bar And Extruded Shapes Of Td Nickel-Chromium
Report Number: AFML TR 68-117
Author(s): Barnett, William J.; Peterson, Erle V.
Corporate Author: Du Pont De Nemours (E I) And Co Wilmington DE
Laboratory: Air Force Materials Laboratory
Publication Date: 5/1/1968
Pages: 209
Features: + Foldout(s)
Contract: F33615-67-C-1341
Project: 147-7
AD Number: AD0834318
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High Deposition Rate Gas Tungsten Arc (Tig) Welding Of High Strength Steels
Report Number: AFML TR 68-123
Author(s): Miller, Howard R.
Corporate Author: Union Carbide Corp Newark Nj Linde Div
Laboratory: Air Force Materials Laboratory
Publication Date: 5/1/1968
Pages: 166
Features: + Diagram(s) + Graph(s) + Photo(s) + Table(s)
Contract: AF 33(615)-2714
Project: 8-314
AD Number: AD0835225
Photo Enhancement: Complete
Abstract Text:
Reliable procedures were established for high deposition Tig welding of three high strength steels. However, the selection of welding procedures is a function of the metallurgical behavior of each weld metal. Because a postweld quench and temper heat treatment homogenizes most structural variations, the properties of welds made in D-6ac are virtually independent of welding parameters. Although the postweld maraging heat treatment of welds made in 18 Ni (VAR) steel makes the tensile properties independent of welding procedures, the fracture toughness of such welds can vary. Toughness is a function of the amount of grain refinement and thermal cycling achieved in multipass welds. By balancing filler deposition rates and welding heat input, pass size can be adjusted so fracture toughness of welds will be equivalent or superior to conventional Tig welds. The as-welded tensile and impact properties of welds made in HP 9 Ni-4 Co-.20 C steel are very sensitive to welding conditions. Grain refinement and self-tempering must be maximized; yet the amount of ferrite in the microstructure must be minimized. Despite these restraints, high deposition welding procedures will develop weld metal properties equivalent to Tig welding. The high deposition rate Tig-hot wire process should offer significant cost savings to aerospace fabricators.
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Feasibility Of Forming A Boron Fiber-Reinforced Aluminum Composite By A Hot Extrusion Process
Report Number: AFML TR 68-127
Author(s): Meyerer, Wendell J.
Corporate Author: Air Force Materials Lab Wright-Patterson AFB OH
Laboratory: Air Force Materials Laboratory
Publication Date: 8/1/1968
Pages: 36
Contract: Laboratory Research - No Contract
Project: 7351
Task: 735107
AD Number: AD0840874
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Manufacturing Methods For High Temperature Coating Of Large Columbium Parts
Report Number: AFML TR 68-134
Author(s): Fisch, Herbert A. Gadd, John D.
Corporate Author: TRW Equipment Labs Cleveland OH
Laboratory: Air Force Materials Laboratory
Publication Date: 5/1/1968
Pages: 317
Contract: AF 33(615)-2018
Project: 8-183
AD Number: AD0835378
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Properties Of JTA Graphite
Report Number: AFML TR 68-178
Author(s): Bortz, Seymour A.
Corporate Author: IIT Research Inst Chicago IL
Corp. Rep. Number: IITRI-G6001
Laboratory: Air Force Materials Laboratory
Publication Date: 7/1/1968
Pages: 236
Contract: AF 33(615)-3028
Project: 7381
Task: 738106
AD Number: AD0842089
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Evaluation Of Duplex Whisker-Crystalline Silicon Nitride Structures
Report Number: AFML TR 68-197
Author(s): Carr, Edwin M.; Bartlett, Robert W.
Corporate Author: Stanford Research Inst Menlo Park CA
Laboratory: Air Force Materials Laboratory
Publication Date: 8/1/1968
Pages: 68
Project: 0
Task: 0
AD Number: AD0840593
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Titanium Structural Sections Produced By Roll Bonding On Bar Mills
Report Number: AFML TR 68-240
Author(s): Newcomer, Robert E.
Corporate Author: Mcdonnell Aircraft Co St Louis MO
Laboratory: Air Force Materials Laboratory
Publication Date: 9/30/1968
Pages: 87
Contract: F33615-67-C-1117
Project: 9-109
AD Number: AD0841164
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Development Of A Subscale Manufacturing Process For The Fabrication Of Hypereutectic Transition-Metal Carbide Composites
Report Number: AFML TR 68-255
Author(s): Foster, E. L., Jr.; Nelson, S. G.; Moak, D. P.;
Corporate Author: Battelle Memorial Inst Columbus OH Columbus Labs
Laboratory: Air Force Materials Laboratory
Publication Date: 9/1/1968
Pages: 339
Contract: AF 33(615)-5273
Project: 9-472
AD Number: AD0841550
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Processing, Evaluation, and Standardization of Titanium Alloy Castings
Report Number: AFML TR 68-264
Author(s): McClaren, S. W.; Cook, O. H.; Pascador, G.
Corporate Author: Vought Aeronautics Division
Laboratory: Air Force Materials Laboratory
Publication Date: 4/1/1969
Pages: 266
Contract: F33615-67-C-1173
Project: 9-169
AD Number: AD0850853
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Manufacturing Processes for Roll Bonded Titanium Alloy Structural Sections
Report Number: AFML TR 68-276
Author(s): Brunken, Ronald D.
Corporate Author: North American Rockwell Corp Los Angeles CA Los Angeles Div
Laboratory: Air Force Materials Laboratory
Publication Date: 9/1/1968
Pages: 111
Features: + Foldout(s)
Contract: F33615-67-C-1113
Project: 9-109
AD Number: AD0843742
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Effect of Inclusions as Measured by Ultrasonic Methods on the Mechanical Properties of Aircraft Quality Steel
Report Number: AFML TR 68-303
Author(s): Carter, C. J.; Cellitti, R. A.; Abar, J. W.
Corporate Author: International Harvester Co Chicago IL Mfg Research
Laboratory: Air Force Materials Laboratory
Publication Date: 1/1/1969
Pages: 133
Contract: AF 33(615)-5053
Project: 9-168
AD Number: AD0853178
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Testing and Evaluation of Impact-Abrasion-Erosion Resistant Aircraft Coatings
Report Number: AFML TR 68-324
Author(s): Michael, Harold J.
Corporate Author: Rockwell International Columbus Oh Columbus Div
Laboratory: Air Force Materials Laboratory
Publication Date: 10/1/1968
Pages: 199
Contract: AF 33(615)-5134
AD Number: AD0845310
Photo Enhancement: Incomplete
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Production Techniques for Extruding, Drawing, and Heat Treatment of Titanium Alloys
Report Number: AFML TR 68-349
Author(s): Gorecki, Thomas A.; Pfanner, Gunther; Trepel, Walter B.; Stock, Julius; Gahwiller, Wayne
Corporate Author: Fairchild Hiller Corp Farmingdale NY Republic Aviation Div
Laboratory: Air Force Materials Laboratory
Publication Date: 12/1/1968
Pages: 300
Features: + Foldout(s)
Contract: AF 33(615)-1674
Project: 8-256
AD Number: AD0848962
Photo Enhancement: Incomplete
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Some Metallographic Observations of Cumulative Damage in Fatigue
Report Number: AFML TR 68-359
Author(s): Reimann, Walter H.
Corporate Author: Air Force Materials Laboratory
Laboratory: Air Force Materials Laboratory
Publication Date: 12/1/1968
Pages: 20
Contract: Laboratory Research - No Contract
Project: 7353
Task: 735303
AD Number: AD0849569
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Length Optimization for Constrained Viscoelastic Layer Damping
Report Number: AFML TR 68-376
Author(s): Plunkett, R.; Lee, C. T.
Lee, C. T.
Corporate Author: University of Minnesota
Laboratory: Air Force Materials Laboratory
Publication Date: 7/1/1969
Pages: 45
Contract: F33615-67-C-1667
Project: 7351
Task: 735106
AD Number: AD0859392
Photo Enhancement: Not Needed
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Photoelastic Analyses of Reinforced Composites
Report Number: AFML TR 68-380
Author(s): Pih, Hui; Sutliff, David R.
Corporate Author: Tennessee Univ Knoxville Dept Of Engineering Science And Mechanics
Laboratory: Air Force Materials Laboratory
Publication Date: 11/1/1968
Pages: 57
Features: + Foldout(s)
Contract: F33615-67-1679
Project: 7351
Task: 735107
AD Number: AD0849706
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Feasibility Of Joining Advanced Composite Flight Vehicle Structures
Report Number: AFML TR 68-391
Author(s): Kutscha, D.; Hofer, K. E., Jr
Corporate Author: IIT Research Inst Chicago IL Mechanics Of Materials Research Div
Corp. Rep. Number: None Given
Laboratory: Air Force Materials Laboratory
Publication Date: 1/1/1969
Pages: 501
Contract: AF 33(615)-3962
Project: 7381
Task: 738106
AD Number: AD0690616
Photo Enhancement: Complete
Abstract Text:
A combined analytical-experimental study was carried out to establish the feasibility of developing rational design techniques for bonded and mechanical joints in advanced composite structures. Available stress analyses were compared for their predictions of maximum stresses in joints and these results were compared to experimental data. The static strengths were measured for three adhesives bonded to fiberglass, steel, and titanium, and the fatigue strengths were measured for the optimum joint designs. The load distribution and joint strength was studied for fiberglass bolted joints. Recommendations were made for specific additional work required both in joints analysis and characterization of materials.
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Elastic-Viscoplastic Response of Clamped Beams Under Uniformly Distributed Impulse
Report Number: AFML TR 68-396
Author(s): Lindholm, Ulric S.; Bessey, Roger L.
Corporate Author: Southwest Research Institute
Laboratory: Air Force Materials Laboratory
Publication Date: 1/1/1969
Pages: 36
Contract: AF 33(615)-5338
Project: 7351
Task: 735106
AD Number: AD0850274
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