Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Koung Suk Kim"'
Publikováno v:
The Korean Society of Manufacturing Process Engineers. 19:19-28
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef45420f3f34cc00f47f34117964b72c
https://doi.org/10.14775/ksmpe.2020.19.01.019
https://doi.org/10.14775/ksmpe.2020.19.01.019
Publikováno v:
Journal of the Korean Society for Nondestructive Testing. 34:18-22
Residual stresses that occur during the welding process, are the main cause of failure and defects in welded structures. This paper, presents the use of an electronic processing laser speckle interferometer to measure the residual stress of a welded
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9cb63f2a0e2d8d0a90d961bf15b03346
https://doi.org/10.7779/jksnt.2014.34.1.18
https://doi.org/10.7779/jksnt.2014.34.1.18
Publikováno v:
NDT & E International. 41:119-124
This paper describes the quantitative determination of the sizes and locations of subsurface defects using lock-in infrared thermography. A phase (or temperature) difference between the defect area and the healthy area indicates the qualitative locat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::18e01869b2985f974b5d4167466b437c
https://doi.org/10.1016/j.ndteint.2007.08.006
https://doi.org/10.1016/j.ndteint.2007.08.006
Publikováno v:
Optics & Laser Technology. 39:449-452
The paper proposes an evaluation technique for the elastic modulus of a cantilever beam by vibration analysis based on time average electronic speckle pattern interferometry (TA-ESPI) and Euler–Bernoulli equation. General approaches for the measure
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::07d009d863425ecedf6ac45c0353a151
https://doi.org/10.1016/j.optlastec.2006.01.003
https://doi.org/10.1016/j.optlastec.2006.01.003
Publikováno v:
Key Engineering Materials. :112-115
Shearography, a type of speckle interferometry, is a powerful tool for nondestructive testing (NDT) because it is insensitive to environmental vibration disturbance and easy to detect strain concentration in an internal defect with noncontact and who
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e45bac0e4913d7f9180af7fe82e882e2
https://doi.org/10.4028/www.scientific.net/kem.321-323.112
https://doi.org/10.4028/www.scientific.net/kem.321-323.112
Autor:
Koung Suk Kim, Hyun-Chul Jung
Publikováno v:
Key Engineering Materials. :95-98
The stroboscopic phase shifting ESPI (SPS-ESPI), one of the optical vibration amplitude measurement techniques, is presented. Although the general PS-ESPI can be used for quantitative deformation measurement of the object, this technique cannot measu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::08c5794bb5e0eccbdf26404f8239ffee
https://doi.org/10.4028/www.scientific.net/kem.321-323.95
https://doi.org/10.4028/www.scientific.net/kem.321-323.95
Publikováno v:
Key Engineering Materials. :183-188
CFRP composite materials widely used as structural materials for airplanes, ships and aero space vehicles because of their high strength and stiffness. This study aims to investigate the effects of curvature and stacking sequence on the penetration c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c8cb6f431c33c557819967d40d96e956
https://doi.org/10.4028/www.scientific.net/kem.297-300.183
https://doi.org/10.4028/www.scientific.net/kem.297-300.183
Publikováno v:
Journal of Mechanical Science and Technology. 19:820-825
This paper proposes non-destructive ESPI technique to evaluate inside defects of semiconductor package quantitatively inspection system consists of ESPI system, thermal loading system and adrabatic chamber. The technique has high feasibility in non-d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5ed5f283161def5e7068a86d2e995fd2
https://doi.org/10.1007/bf02916130
https://doi.org/10.1007/bf02916130
Publikováno v:
KSME International Journal. 18:1493-1499
This paper describes the speckle shearing interferometry, a non-destructive optical method, for quantitative estimation of void defect and monitoring separation defect inside of a pneumatic tire. Previous shearing interferometry has not supplied quan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::da1253a61b8d44314cc9bdc6a89fafd4
https://doi.org/10.1007/bf02990363
https://doi.org/10.1007/bf02990363
Publikováno v:
Key Engineering Materials. :775-780
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d3177dbb487c27feb49299251234c850
https://doi.org/10.4028/www.scientific.net/kem.270-273.775
https://doi.org/10.4028/www.scientific.net/kem.270-273.775