Results 81 to 90 of about 19,781 (191)

A Module Experimental Process System Development Unit (MEPSDU) [PDF]

open access: yes
Design work for a photovoltaic module, fabricated using single crystal silicon dendritic web sheet material, resulted in the identification of surface treatment to the module glass superstrate which improved module efficiencies.

core   +1 more source

Nondestructive evaluation of residual stress in low-carbon steel [PDF]

open access: yes
The effects of the preferred orientation on the temperature dependence of ultrasonic velocity in low carbon steels are investigated. The sensitivity of the acousto-elastic constant to changes in microstructure is assessed as well as the possibility of ...
Salama, K.
core   +1 more source

Ultrasonic surface rolling process induced elastic-plastic stress wave [PDF]

open access: yesProceedings of the 2015 6th International Conference on Manufacturing Science and Engineering, 2015
openaire   +1 more source

Study on effects of powder and flake chemistry and morphology on the properties of Al-Cu-Mg-X-X-X powder metallurgy advanced aluminum alloys [PDF]

open access: yes
The effects of alloy chemistry and particulate morphology on consolidation behavior and consolidated product properties in rapid solidification processed, powder-metallurgical Al-3Li-1.5Cu-1Mg-0.5Co-0.2Zr and Al-4.4Cu-1.5Mg-Fe-Ni-0.2Zr extrusions and ...
Lederich, R. J.   +3 more
core   +1 more source

NASA Contributions to Metals Joining [PDF]

open access: yes
Survey of NASA supported metals joining research having industrial ...
Heuschkel, J., Reichenecker, W. J.
core   +1 more source

NDE: An effective approach to improved reliability and safety. A technology survey [PDF]

open access: yes
Technical abstracts are presented for about 100 significant documents relating to nondestructive testing of aircraft structures or related structural testing and the reliability of the more commonly used evaluation methods.
Carpenter, J. L., Jr., Stuhrke, W. F.
core   +1 more source

Composite transport wing technology development: Design development tests and advanced structural concepts [PDF]

open access: yes
Numerous design concepts, materials, and manufacturing methods were investigated for the covers and spars of a transport box wing. Cover panels and spar segments were fabricated and tested to verify the structural integrity of design concepts and ...
Griffin, Charles F., Harvill, William E.
core   +1 more source

Energy efficient engine. Volume 2. Appendix A: Component development and integration program [PDF]

open access: yes
The large size and the requirement for precise lightening cavities in a considerable portion of the titanium fan blades necessitated the development of a new manufacturing method.
Cook, C. R., Moracz, D. J.
core   +1 more source

T-111 Rankine system corrosion test loop, volume 2 [PDF]

open access: yes
For abstract, see N76 ...
Harrison, R. W.   +2 more
core   +1 more source

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