Results 131 to 140 of about 20,755 (235)

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

For abstract, see N76 ...
Harrison, R. W., Hoffman, E. E., Smith, J. P.   +2 more
core   +1 more source

NASA Contributions to Metals Joining [PDF]

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

Bonding and adjoining technology: A compilation [PDF]

This compilation covers NASA and AEC developed techniques covering bonding, brazing, and joining methods and ...

core   +1 more source

Thin film temperature sensor [PDF]

Thin film surface temperature sensors were developed. The sensors were made of platinum-platinum/10 percent rhodium thermocouples with associated thin film-to-lead wire connections and sputtered on aluminum oxide coated simulated turbine blades for ...
Grant, H. P., Przybyszewski, J. S.
core   +1 more source

High reliability bond program using small diameter aluminum wire [PDF]

The program was undertaken to characterize the performance of small diameter aluminum wire ultrasonically bonded to conductors commonly encountered in hybrid assemblies, and to recommend guidelines for improving this performance.
Macha, M., Thiel, R. A.
core   +1 more source

CONTRIBUTION IN CALCULATION OF ULTRASONIC TRANSDUCERS USED IN METAL REWORKING PROCESS BY WELDING IN ULTRASONIC FIELD

Nonconventional Technologies Review, 2017
The paper presents the calculation and construction elements for the ultrasonic transducer system used in reworking by welding in ultrasonic field.The transducer is modeled by the finite element method analysis to determine the diagram of particle ...
Gheorghe Amza, Dan Nitoi, Zoia Amza
doaj  

Phase 2 of the array automated assembly task for the low cost solar array project [PDF]

The process sequence for the fabrication of dendritic web silicon into solar panels was modified to include aluminum back surface field formation. Plasma etching was found to be a feasible technique for pre-diffusion cleaning of the web.
Campbell, R. B., Davis, J. R., Ostroski, J. W., Rai-Choudhury, P., Rohatgi, A., Seman, E. J., Stapleton, R. E.   +6 more
core   +1 more source

Effect of Ultrasonic Frequency Pulse Current on the Microstructure and Mechanical Properties of Ti6Al4V TIG Welded Joints. [PDF]

Materials (Basel)
Xu W, Cai X, Li Y, Wei J, Dong C, Liu L, He H.   +6 more
europepmc   +1 more source

Research on Microstructure and Corrosion Behavior of Aluminum Alloy Laser-Welded Joints Assisted by Ultrasonic Vibration. [PDF]

Micromachines (Basel)
Bai D, Li A, Liu J, Shi Y, Zhang H, Yang L.   +5 more
europepmc   +1 more source

Research Status of Molecular Dynamics Simulation of Metallic Ultrasonic Welding. [PDF]

Micromachines (Basel)
Hu Y, Li H.
europepmc   +1 more source