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- Title
Additive-Manufactured Platinum Thin-Film Strain Gauges for Structural Microstrain Testing at Elevated Temperatures.
- Authors
Pan, Xiaochuan; Lin, Fan; Wu, Chao; Zeng, Yingjun; Chen, Guochun; Chen, Qinnan; Sun, Daoheng; Hai, Zhenyin
- Abstract
This paper investigates the feasibility and performance of the fabrication of platinum high-temperature thin-film strain sensors on nickel-based alloy substrates by additive manufacturing. The insulating layer was made of a dielectric paste by screen printing process. A 1.8-micron-thick platinum film was deposited directly on the insulating layer. The four-wire resistance measurement method was used to eliminate the contact resistance of the solder joints. Comprehensive morphological and electrical characterization of the platinum thin-film strain gauge was carried out, and good static and dynamic strain responses were obtained, which confirmed that the strain gauge was suitable for in situ strain monitoring of high-temperature complex components.
- Subjects
STRAIN gages; HIGH temperatures; SCREEN process printing; PLATINUM; STRAIN sensors
- Publication
Micromachines, 2022, Vol 13, Issue 9, p1472
- ISSN
2072-666X
- Publication type
Article
- DOI
10.3390/mi13091472