Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Seol ryung Kwon"'
Autor:
Seol Ryung Kwon, Yongrae Roh
Publikováno v:
Applied Mechanics, Vol 2, Iss 4, Pp 841-848 (2021)
In a flexoelectric sensing element using bending mode, estimation of the flexoelectric coefficient was investigated using 3-D stress/strain analysis and experiments. The proposed method uses the results (deformation and strain) from the finite elemen
Externí odkaz:
https://doaj.org/article/1947d8c1d8de40d0bf21c7818049a767
Publikováno v:
AIP Advances, Vol 4, Iss 12, Pp 127115-127115-7 (2014)
A fabrication method by combining precision mechanical dicing and wet etching was developed to prepare micro-pyramid structures based on (Ba0.67Sr0.33)TiO3 ceramics. The effective piezoelectric properties of flexoelectric pyramid structures in ten mi
Externí odkaz:
https://doaj.org/article/b807e1867a594139ab7884af307858f8
Autor:
Seol ryung Kwon
Publikováno v:
Transactions of the Korean Society of Mechanical Engineers - A. 44:1-6
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ec23ee5ab787a7370c38e5a000f817b7
https://doi.org/10.3795/ksme-a.2020.44.1.001
https://doi.org/10.3795/ksme-a.2020.44.1.001
Autor:
Seol ryung Kwon
Publikováno v:
Journal of Mechanical Science and Technology. 32:5839-5843
Recently, many researchers have studied to overcome some disadvantages of conventional sensing mechanisms. And the flexoelectric effect draw great attention as key to enhance the sensor performance especially in micro/nano scale. However, the relativ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::04c08863c50838bc17c709d448588f6a
https://doi.org/10.1007/s12206-018-1132-6
https://doi.org/10.1007/s12206-018-1132-6
Publikováno v:
Sensors and Actuators A: Physical. 330:112843
Piston-type underwater acoustic transducers are used individually as well as in arrays for various acoustic applications. Circular pistons, in particular, are widely used in arrays. However, the performance of an array with circular pistons is restri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::356df7c24a7ae3962b7deeb561890211
https://doi.org/10.1016/j.sna.2021.112843
https://doi.org/10.1016/j.sna.2021.112843
Autor:
Seol ryung Kwon
Publikováno v:
Journal of Mechanical Science and Technology. 31:5971-5975
In the present study, a truncated pyramid structure was adopted to analyze the effect of the configuration of structures on the flexoelectric effect. In order to use the flexoelectric effect as sensing mechanism, the flexoelectric material, barium st
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0daccb9fdc0f204328bdd6f78d88d7d9
https://doi.org/10.1007/s12206-017-1141-x
https://doi.org/10.1007/s12206-017-1141-x
Publikováno v:
Journal of Intelligent Material Systems and Structures. 25:271-277
In this article a new acceleration sensor using flexoelectric barium strontium titanate cantilever was designed, fabricated, and tested for vibration monitoring. The flexoelectric sensors were configured as a trapezoidal unimorph with a barium stront
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff5a0367ca6e0ef04fedfd9a6cef24d1
https://doi.org/10.1177/1045389x13491021
https://doi.org/10.1177/1045389x13491021
Publikováno v:
Transactions of the Korean Society of Mechanical Engineers A. 35:53-58
Ultra-precision miniaturized machine tools essential for manufacturing accurate machine components in micro/meso-scale have been developed. To realize high accuracy using mMTs, geometric errors, which are considered as the main sources of inaccuracy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::002c1b5b5ab2748ad3095e143b9b0c1e
https://doi.org/10.3795/ksme-a.2011.35.1.053
https://doi.org/10.3795/ksme-a.2011.35.1.053
Publikováno v:
Smart Sensor Phenomena, Technology, Networks, and Systems Integration 2014.
A flexoelectric bridge-structured microphone using bulk barium strontium titanate (Ba0.65Sr0.35TiO3 or BST) ceramic was investigated in this study. The flexoelectric microphone was installed in an anechoic box and exposed to the sound pressure emitte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3294323acd8ecb35ff275787b5fb8f4a
https://doi.org/10.1117/12.2045072
https://doi.org/10.1117/12.2045072
Publikováno v:
Journal of Micromechanics and Microengineering. 26:045001
In this study, a flexoelectric microphone was, for the first time, designed and fabricated in a bridge structure using barium strontium titanate (Ba0.65Sr0.35TiO3) ceramic and tested afterwards. The prototyped flexoelectric microphone consists of a 1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::708aa1f6a17583e43c47d7b01dbf41ad
https://doi.org/10.1088/0960-1317/26/4/045001
https://doi.org/10.1088/0960-1317/26/4/045001