非入侵式牙科鑄造體之焊接結構的音洩訊號分析

Translated title of the contribution: Acoustic emission- a noninvasive technique in the assessment of dental soldering

L. C. Pan, C. T. Lin, M. H. Wang, H. M. Huang, S. Y. Lee

Research output: Contribution to journalArticle

Abstract

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 emissions in the frequency range of 10-400 KHz were collected, filtered, recorded, and processed by a piezoelectric sensing device. The acoustic emission signals were analyzed by analytical program written by Matlab Version 5.0.

Original languageTraditional Chinese
Pages (from-to)37-42
Number of pages6
JournalChinese Journal of Medical and Biological Engineering
Volume20
Issue number1
Publication statusPublished - 2000

Fingerprint

Dental Soldering
Soldering
Acoustic emissions
Acoustics
Removable Partial Denture
Fluxes
Jigs
Pyrometers
Powders
Dental prostheses
Equipment and Supplies
Temperature

Keywords

  • Acoustic emission(AE)
  • Dental soldering
  • Noninvasive

ASJC Scopus subject areas

  • Biophysics

Cite this

非入侵式牙科鑄造體之焊接結構的音洩訊號分析. / Pan, L. C.; Lin, C. T.; Wang, M. H.; Huang, H. M.; Lee, S. Y.

In: Chinese Journal of Medical and Biological Engineering, Vol. 20, No. 1, 2000, p. 37-42.

Research output: Contribution to journalArticle

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abstract = "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紅外線控溫之高週波焊接,焊接溫度為1200℃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件,提升焊接強度及焊接品質的穩定度。",
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