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    Please use this identifier to cite or link to this item: https://ir.lib.ksu.edu.tw/handle/987654321/2587

    Title: Inverse modeling of a work piece temperature and melting depth during micro thermal machining by scanning thermal microscope
    Authors: Jung-Chang Hsu
    Te-Hua Fang
    Win-Jin Chang
    Keywords: scanning thermal microscopy
    inverse problem
    micro thermal machining
    Date: 2006
    Issue Date: 2009-08-12 19:50:03 (UTC+8)
    Abstract: In this study, a general methodology for estimating the temperature of the upper surface of the work piece and the melting depth during micro thermal machining using scanning thermal microscopy (SThM) has been proposed. First the probe in the processing system was considered as an inverse heat conduction problem with an unknown work piece temperature. Once the temperature of the upper surface of the work piece was estimated, then the work piece was also regarded as another inverse heat transfer problem due to an unknown melting depth in the boundary condition. The conjugate gradient method was used to solve the inverse problems. In addition, this methodology herein can also be applied to solve other transient heat conduction problems, which involve latent heat transfer and form a solid and liquid phase like laser processing, solidification in continuous casting process and transient recording system on phase-change material using AFM.
    Relation: Journal of Applied Physics, v. 100, 2006, p. 064305
    Appears in Collections:[機械工程系所] 期刊論文

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