Paper Title
Authors: Jong Seo Park, Un Bong Baek, Jeong Min Kim, Seung Hoon Nahm, Bong Young Ahn
Abstract:Several nondestructive evaluation methods were attempted for the estimation of the creep damage of degraded 2.25Cr-1Mo steel. The specimens...
Authors: Su Hyun Shin, Yong Bong Lee, Sung Soo Jung, Doo Hee Lee
Abstract:A new acoustic bending vibration method of determining the resonance frequency, Young’s modulus and loss factor applicable for both metallic...
Authors: Ki Bok Kim, Ho Yang Kang, Dong Jin Yoon, Man Yong Choi
Abstract:This study was performed to classify the acoustic emission (AE) signal due to surface check and water movement of the flat-sawn boards of oak...
Authors: Lai Gui Wang, Chunbin Wu, Feng He, Shu Hong Wang
Abstract:Metal materials especially steel or cast iron are used extensively in many types of construction such as buildings, bridges, cranes,...
Authors: In Young Yang, Kwang Hee Im, David K. Hsu, Sun Kyu Kim, Sung Jin Soug, Hyeon Cho, Je Woong Park, Young Nam Kim
Abstract:In this work, a wood material was nondestructively characterized and a technique was developed to measure ultrasonic velocity in wood using...
Authors: Jae Young Nam, Jae Boong Choi, Young Jin Kim, Chang Ryul Pyo
Authors: Jae Young Nam, Jae Boong Choi, Young Jin Kim
Abstract:The objective of this paper is to develop a fiber-optic acoustic emission(AE) sensor applicable to on-line monitoring systems which is...
Authors: Won Su Park, Joon Hyun Lee, Youn Ho Cho
Abstract:In this study we attempt to investigate the possibility of detecting sub-surface crack and the understanding of the propagating phenomena of...
Authors: Jai Won Byeon, C.S. Kim, J.H. Song, S.I. Kwun
Abstract:For the quality monitoring and reliable application of stationary gas turbine blade (vane), near surface damages in the isothermally degraded...
Authors: Young Sup Lee, Dong Jin Yoon, Sang Il Lee, Jaehwa Kwon
Abstract:This paper describes an array sensor of piezoceramic PZT discs with flexible covering layers, which is designed to detect surface elastic...
Showing 311 to 320 of 468 Paper Titles