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    题名: Laser Phased Array Measurement of Simulated Solidified Weld Penetration Depth
    作者: 楊智旭;Yang, Jr-Syu;Sanderson, T.;Graham, G.;Ume, C.
    贡献者: 淡江大學機械與機電工程學系
    关键词: Lasers;Ultrasound;Wave amplitude;Optical fiber;Thickness;Base metals;Resolution(Optics)
    日期: 1996-05
    上传时间: 2010-03-26 19:50:56 (UTC+8)
    出版者: American Society of Mechanical Engineers (ASME)
    摘要: This paper presents an experimental investigation of the use of an optical fiber laser phased array to measure solidified weld pool penetration depth in butt and v-groove joints. The purpose was to determine the optimum distances between the ultrasound source (the array), receiver, and the weld joint, in order to measure weld penetration depth. The relationship between penetration depth and wave amplitude was approximately linear. A narrow range of distances between the ultrasound receiver and weld joint permitted the ultrasonic system to detect penetration depth over the entire thickness of the base metal. Maximum resolution in measuring penetration depth was achieved by keeping the distance between the array and the weld joint as small as possible.
    關聯: Journal of Manufacturing Science and Engineering 118(2), pp.266-271
    DOI: 10.1115/1.2831020
    显示于类别:[機械與機電工程學系暨研究所] 期刊論文

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