Results 121 to 130 of about 14,230,885 (272)

Ultrasonic Polishing [PDF]

open access: yes, 1993
The ultrasonic polishing process makes use of the high-frequency (ultrasonic) vibrations of an abradable tool which automatically conforms to the work piece and an abrasive slurry to finish surfaces and edges on complex, highly detailed, close tolerance ...
Gilmore, Randy
core   +1 more source

RESEARCH ON COMPRESSION AND RECONSTRUCTION OF TUBE FOULING ULTRASONIC TESTING SIGNAL BASED ON IMPROVED COSAMP

open access: yesJixie qiangdu, 2020
In ultrasonic tests,the redundant signal and random noise are easily to be generated when the sensor collects data.Compressing and reconstructing the signal or noise always get the researchers’ attention.Based on the theory of compressive sensing and ...
WANG TongTong, SUN LingFang
doaj  

Laser ultrasonic testing for near-surface defects inspection of 316L stainless steel fabricated by laser powder bed fusion

open access: yesChina Foundry, 2021
T. Dai   +8 more
semanticscholar   +1 more source

Pneumatic PID with Ultrasonic Distance Feedback [PDF]

open access: yes, 2019
Indiana University Purdue University IndianapolisIndiana University–Purdue University Indianapolis (IUPUI) is initiating a new course to the Electrical & Computer Engineering Technology (ECET) Curriculum in the spring of 2019, this course is Advanced ...
Al Fuhidah, Basim   +2 more
core  

Flow control of agricultural spraying machines : a thesis in partial fulfilment of the requirements for the degree of Master of Engineering in Mechatronics, Massey University, Palmerston North, New Zealand [PDF]

open access: yes, 2016
New Zealand relies heavily on its agricultural industry. A large portion of this industry is pastoral farming, where livestock are raised to graze on pasture. This includes beef, sheep and dairy farming.
Hall, Tobin
core  

TESTING RESEARCH ON PHASED ARRAY ULTRASONIC OF FILLET WELD OF RAPID-COOLING HEAT EXCHANGER

open access: yesJixie qiangdu, 2017
It is important for related equipment in the safe and stable performance that the integrality quality of the fillet welds of rapid-cooling heat exchanger.
OU XuSheng, QI LingMin, HAN TaiKun
doaj  

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