Transmission Electron Microscopy Study of the Infrared Brazed High-strength Titanium Alloy

The transmission electron microscopy was employed to investigate the microstructure of infrared brazed highstrength Ti alloy using the Ti-15Cu-15Ni filler metal. Coarse primary Ti2Ni and transformed β-Ti are observed in the 300 s brazed specimen. Blocky Ti2Ni and eutectoid Ti2Cu intermetallics are d...

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Bibliographic Details
Published in:Journal of materials science & technology 2010-04, Vol.26 (4), p.311-316
Main Authors: Wu, Z.Y., Shiue, R.K., Chang, C.S.
Format: Article
Language:English
Subjects:
Infrared Brazing
Microstructure
Ti-Cu-Ni filler
显微红外
透射电子显微镜
金属间化合物
钎焊接头
钎焊时间
钛合金
高强度
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Summary:The transmission electron microscopy was employed to investigate the microstructure of infrared brazed highstrength Ti alloy using the Ti-15Cu-15Ni filler metal. Coarse primary Ti2Ni and transformed β-Ti are observed in the 300 s brazed specimen. Blocky Ti2Ni and eutectoid Ti2Cu intermetallics are disappeared from the joint with increasing the brazing time to 1800 s. Both acicular α-Ti and retained β-Ti dominate the entire brazed joint.
ISSN:1005-0302
1941-1162
DOI:10.1016/S1005-0302(10)60051-5