Method and apparatus for detecting inside defect of continuous


PURPOSE: To safely and accurately detect the hollow flawsof the inside from the quantity of ultrasonic wave transmission even at high temperature by holding and pressing a continuous casting material with rolls under a constant pressure and applying ultrasonic waves from the front and back of the casting material. COPYRIGHT: (C)1978,JPO&Japio




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Patent Citations (2)

    Publication numberPublication dateAssigneeTitle
    JP-S50468-AJanuary 07, 1975
    JP-S519048-AJanuary 24, 1976Nippon Steel CorpRenzokuchuzochuhenno kanetsurosonyuhoho

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    JP-2011131279-AJuly 07, 2011Showa Denko Kk, 昭和電工株式会社アルミニウム合金の連続鋳造棒、連続鋳造棒の鋳造方法、連続鋳造装置
    JP-4819900-B2November 24, 2011ゲオルクスマリーエンヒュッテ ゲゼルシャフト ミット ベシュレンクテル ハフツングGeorgsmarienhuette GmbH相前後して配置された複数の圧延スタンドを有する圧延ライン