Composite transport wing technology development: Design development tests and advanced structural concepts [PDF]
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.
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NASA welding assessment program [PDF]
A long duration test has been conducted for comparing various methods of attaching electrical interconnects to solar cells for near Earth orbit spacecraft.
Stofel, E. J.
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Nondestructive evaluation of residual stress in low-carbon steel [PDF]
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.
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Investigating the Dynamic Mechanical Properties and Strengthening Mechanisms of Ti-6Al-4V Alloy by Using the Ultrasonic Surface Rolling Process. [PDF]
Materials (Basel)Zha X +7 more
europepmc +1 more source
40Cr Nano-crystallization by Ultrasonic Surface Rolling Extrusion Processing
Journal of Mechanical Engineering, 2009 openaire +1 more source
Effect of Ultrasonic Rolling on the Surface Integrity and High Temperature Oxidation Properties of Laser Melted NiCrAl Coatings. [PDF]
Materials (Basel)Zhang D +5 more
europepmc +1 more source
Advancement and emerging challenges in electric-field assisted manufacturing: a review. [PDF]
Int J Adv Manuf TechnolKamal SM +4 more
europepmc +1 more source
Research on geometric parameter quantification of rail rolling contact fatigue crack damage based on 2D optical image. [PDF]
Sci RepWang Y, Miao B, Zhang Y, Huang Z.
europepmc +1 more source
Construction of a Gradient Nanostructure for Enhanced Surface Properties in 38CrMoAl Steel via Ultrasonic Severe Surface Rolling. [PDF]
Materials (Basel)Han J +9 more
europepmc +1 more source
The Investigation of Rotary Bending Fatigue Properties of 4Cr14Ni14W2Mo Engine Valve Steel Processed by Surface Mechanical Rolling Treatment. [PDF]
Materials (Basel)Sun G, Liu Z, Yuan Z, Qu R, Lai F.
europepmc +1 more source