Results 51 to 60 of about 4,161 (142)

Current and Future Needs and Research for Composite Materials NDE [PDF]

open access: yes
The use of composite materials continues to increase in the aerospace community due to the potential benefits of reduced weight, increased strength, and manufacturability.
Cramer, K. Elliott
core   +1 more source

Analysis and Flaw Recognition Application of 70o Probe Echoes for Rail Flaw Detection Vehicles

open access: yesKongzhi Yu Xinxi Jishu
This paper delves into the impact of abnormal echoes at the rail head on flaw recognition resulting from the central 70° probes on rail flaw detection (RFD) vehicles.
XIA Lang   +3 more
doaj  

Study on application of aerospace technology to improve surgical implants [PDF]

open access: yes
The areas where aerospace technology could be used to improve the reliability and performance of metallic, orthopedic implants was assessed. Specifically, comparisons were made of material controls, design approaches, analytical methods and inspection ...
Johnson, R. E., Youngblood, J. L.
core   +1 more source

Methodology for urban rail and construction technology research and development planning [PDF]

open access: yes
A series of transit system visits, organized by the American Public Transit Association (APTA), was conducted in which the system operators identified the most pressing development needs.
Dayman, B.   +4 more
core   +1 more source

A Review of NDT Methods for Wheel Burn Detection on Rails. [PDF]

open access: yesSensors (Basel), 2023
Zhang Y, Liu X, Xiong L, Chen Z, Wei J.
europepmc   +1 more source

30th International Conference on Condition Monitoring and Diagnostic Engineering Management (COMADEM 2017) [PDF]

open access: yes
Proceedings of COMADEM ...
Brooks, Hadley Laurence   +4 more
core  

Research on a Versatile Wheel Detector Calibration System for Heavy-duty Rail Flaw Detection Vehicles

open access: yesKongzhi Yu Xinxi Jishu
Ultrasonic wheel detectors are key front-end data acquisition components of heavy-duty rail flaw detection vehicles, with their performance directly affecting the quality of collected data, making periodic calibration essential.
HU Liang   +3 more
doaj  

Research in the effective implementation of guidance computers with large scale arrays Interim report [PDF]

open access: yes
Functional logic character implementation in breadboard design of NASA modular ...
Burke, J. A.   +5 more
core   +2 more sources

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