http://scholars.ntou.edu.tw/handle/123456789/4674
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Kao, C. S. | en_US |
dc.contributor.author | Leu-Wen Tsay | en_US |
dc.contributor.author | Wang, S. B. | en_US |
dc.contributor.author | Shiue, R. K. | en_US |
dc.date.accessioned | 2020-11-19T02:23:41Z | - |
dc.date.available | 2020-11-19T02:23:41Z | - |
dc.date.issued | 2019-10 | - |
dc.identifier.uri | http://scholars.ntou.edu.tw/handle/123456789/4674 | - |
dc.description.abstract | Among all types of brazing fillers, Ti-based fillers show satisfactory joint strengths in brazing titanium alloys. However, the major concern in using such fillers is the formation of Cu/Ni/Ti intermetallic compound(s) in the joint. In this study, a Ti–15–3 alloy was vacuum brazed with a clad Ti–35Ni–25Nb foil. The brazed zone consisted of a Ti2Ni intermetallic compound in a (β-Ti,Nb)-rich matrix for specimen brazing at 1000 °C/600 s. Raising brazing temperature and time resulted in the Ti2Ni dissolving into the (β-Ti,Nb)-rich matrix. For the specimen brazing at 1100 °C/600s, Ti2Ni could only be observed at the grain boundaries of the (β-Ti,Nb)-rich matrix. After further raising it to 1200 °C/600 s, the Ti2Ni intermetallic compound was all dissolved into the (β-Ti,Nb)-rich phase. The average shear strength was significantly raised from 140 (1000 °C/600 s) to 620 MPa (1100 °C/3600 s). Crack initiation/propagation in the brittle Ti2Ni compound with the cleavage fractograph were changed into the Ti–15–3 base metal with a ductile dimple fractograph. The advantage of using Nb in the TiNiNb filler foil was its ability to stabilize β-Ti, and most of the Ni in the braze alloy was dissolved into the β-Ti matrix. The brazed joint could be free of any intermetallic phases with a proper brazing cycle applied, and the joint was suitable for a few harsh applications, e.g., repeated stresses and impact loadings. | en_US |
dc.language.iso | en | en_US |
dc.relation.ispartof | Metals | en_US |
dc.subject | brazing | en_US |
dc.subject | β titanium | en_US |
dc.subject | electron backscatter diffraction | en_US |
dc.subject | filler metal | en_US |
dc.subject | dissolution | en_US |
dc.subject | joint strength | en_US |
dc.title | Vacuum Brazing Ti-15-3 with a TiNiNb Braze Alloy | en_US |
dc.type | journal article | en_US |
dc.identifier.doi | 10.3390/met9101085 | - |
dc.identifier.isi | WOS:000498219400064 | - |
dc.relation.journalvolume | 9 | en_US |
dc.relation.journalissue | 10 | en_US |
dc.relation.pages | 1085 | en_US |
item.languageiso639-1 | en | - |
item.cerifentitytype | Publications | - |
item.openairetype | journal article | - |
item.grantfulltext | none | - |
item.fulltext | no fulltext | - |
item.openairecristype | http://purl.org/coar/resource_type/c_6501 | - |
crisitem.author.dept | College of Electrical Engineering and Computer Science | - |
crisitem.author.dept | Department of Optoelectronics and Materials Technology | - |
crisitem.author.dept | National Taiwan Ocean University,NTOU | - |
crisitem.author.dept | Center of Excellence for Ocean Engineering | - |
crisitem.author.dept | Ocean Energy and Engineering Technology | - |
crisitem.author.orcid | 0000-0003-1644-9745 | - |
crisitem.author.parentorg | National Taiwan Ocean University,NTOU | - |
crisitem.author.parentorg | College of Electrical Engineering and Computer Science | - |
crisitem.author.parentorg | National Taiwan Ocean University,NTOU | - |
crisitem.author.parentorg | Center of Excellence for Ocean Engineering | - |
Appears in Collections: | 光電與材料科技學系 |
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