Results 91 to 100 of about 83,305 (186)

Standing tree health assessment using contact–ultrasonic testing and machine learning

open access: yesComputers and Electronics in Agriculture, 2023
Mohsen Mousavi   +2 more
openaire   +1 more source

Applications of Ultrasonics for Processing and Testing of Proppants [PDF]

open access: yes, 2016
The scope of this research project had two parts, with separate objectives. Both parts of the project used a machine that applied ultrasonic waves to our samples.
Kypfer, Zak, Nelson, Reid
core   +1 more source

Rapid manufacturing- state of the art, analysis and future perspectives [PDF]

open access: yes, 2011
Layer based manufacturing system often referred to as Rapid Prototyping (RP) have been in existence for 22 years, in the past 5 years Rapid Manufacturing (RM) has emerged from these RP systems to produce functional and structural customer focused end use
Ainsley, Christopher, Hackney, Philip
core  

Prognosis methods of stress corrosion cracking under harsh environmental conditions

open access: yesHeliyon
Stress corrosion cracking (SCC) under harsh environmental conditions still poses a significant challenge, despite extensive research efforts. The intricate interplay among mechanical, chemical, and electrochemical factors hinders the accurate prognosis ...
Hasan Hamdan   +6 more
doaj   +1 more source

Failure Detection of Laser Welding Seam for Electric Automotive Brake Joints Based on Image Feature Extraction

open access: yesMachines
As a key component in the hydraulic brake system of automobiles, the brake joint directly affects the braking performance and driving safety of the vehicle. Therefore, improving the quality of brake joints is crucial.
Diqing Fan   +4 more
doaj   +1 more source

NASA welding assessment program [PDF]

open access: yes
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.
core   +1 more source

Experimental and numerical polar scans of several anisotropic materials using pulsed and harmonic ultrasonic beams [PDF]

open access: yes, 2011
Ultrasonic non-destructive testing is a well known technique in present days, in which the C-scan is the most wide spread. Though, because of the inherent limitations of most methods to quantitatively characterize (damaged) composite materials, the quest
De Baere, Ives   +6 more
core  

Microstructure and Mechanical Properties Ultrasonic Assistance Laser Welded Joints of Beta Titanium Alloy with Multiple Vibrators

open access: yesMetals
Aiming at the problem of deterioration of the properties of beta titanium alloy welded joints due to many porosity defects and coarse grains, multi-vibrator ultrasonic-assisted laser welding (M—ULW) technology was used to improve the structure and ...
Shiyu Wang   +5 more
doaj   +1 more source

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