On the basis of plenty of research and practical experience, the author points out that discontinuities and non uniformities of metallurgical structure, some of which are unanticipated, often result in noise signals while ultrasonic inspection is performed and that those signals should be treated prudently.
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References
[1] Titanium Science and technology, Volume:1. P733~741
[2]《Detectlon Segregation in titanium alloy》Metal Progress 1971 No.8
[3] 马济民,两相钦合金斑点的研究报告
[4] F. N. Billman and F. F. Nudolhph,Effects of TI-6Al-4V Alloy Metallurgical Structure on ultresonic response characteristics《Titani-um Science and technology》Vol.(1973)693~705
[5] 李家伟等,《航空材料》3.(1980)
[6] E. P. Papadakis,K. A Fowler and L. C. Lgnn ort Lgnn orth,Ultrasonic Attenuation by Spectrum Analysis of Pulses in Buffer Rods;Methed and diffraction Corrections,J. Acous. Soc. Amer,Vol 53 No. 5(1973),1336~1343.
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Footnotes
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