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題 名 | 非侵入式牙科鑄造體之焊接結構的音洩訊號分析=Acoustic Emission-A Noninvasive Technique in the Assessment of Dental Soldering |
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作 者 | 潘力誠; 林哲堂; 王美華; 黃豪銘; 李勝揚; | 書刊名 | 中華醫學工程學刊 |
卷 期 | 20:1 2000.03[民89.03] |
頁 次 | 頁37-42 |
分類號 | 416.98 |
關鍵詞 | 音洩訊號; 牙用金屬焊接; 非侵入式; Acoustic emission; AE; Dental soldering; Noninvasive; |
語 文 | 中文(Chinese) |
中文摘要 | 本實驗以非破壞性音洩檢測法與紅外線控溫之高週波焊接機,進行牙用鈷鉻合金之焊接分析,本實驗以符合ASTM No.E8M-88之鈷鉻合金試片進行外線控溫之高週波焊接,焊接溫度為1200°C及純助焊劑粉末,並於焊接過程中擷取音洩訊號以觀察時域及頻域之變化。期能有助於瞭解焊接過程中材料顯微變化的情形,進而提供較完善的焊接條,提升焊接強度及焊接品質的穩定度。 |
英文摘要 | Acoustic emission (AE) technique was used for the assessment of dental soldering Specimens were cast from removable partial denture alloy and then placed in a jig with a gap distance of 1.0 mm. A high-frequency soldering machine equipped with an optical pyrometer was used for the control of the soldering temperature at 1200°C. The flux was pure flux powder. During soldering, acoustic emission in the frequency range of 10-400 KHz were collected, recorded, and processed by a piezoelectric sensing device. The acoustic emission signals were analyzed by analytical program written by Matlab Version 5.0. |
本系統中英文摘要資訊取自各篇刊載內容。