| dc.contributor.author | Atlı, K. C. | |
| dc.contributor.author | Karaman, I. | |
| dc.contributor.author | Noebe, R. D. | |
| dc.date.accessioned | 2019-10-21T21:12:23Z | |
| dc.date.available | 2019-10-21T21:12:23Z | |
| dc.date.issued | 2014 | |
| dc.identifier.issn | 0921-5093 | |
| dc.identifier.issn | 1873-4936 | |
| dc.identifier.uri | https://dx.doi.org/10.1016/j.msea.2014.06.104 | |
| dc.identifier.uri | https://hdl.handle.net/11421/21360 | |
| dc.description | WOS: 000341336900030 | en_US |
| dc.description.abstract | A Ti50.5Ni24.5Pd25 (at%) high-temperature shape memory alloy (HTSMA) was alloyed with 1, 3, and 5 at% Ta additions in an effort to enhance the shape memory properties, particularly the dimensional stability for actuator applications. Thermomechanical characterization indicated that the dimensional stability of Ti50.5Ni24.5Pd25 improved significantly, but mostly for the highest Ta addition. This improvement was attributed in part to a particulate strengthening effect, since both Ti47.5Ni24.5Pd25Ta3 and Ti45.5Ni24.5 Pd25Ta5 were found to have similar amounts of Ta, approximately 2.2 at%, in solid solution. However, by 5% Ta addition, the transformation temperatures decreased by about 65 degrees C and reductions in transformation strain and fracture resistance occurred. Consequently, among the alloys studied, Ti47.5Ni24.5 Pd25Ta3 seemed to be the optimum composition with a transformation temperature around 150 degrees C, a transformation strain value close to that of the unalloyed composition, and improved dimensional stability | en_US |
| dc.description.sponsorship | NASA Fundamental Aeronautics Program, Subsonic Fixed Wing project [NNX07AB56A]; FAP Aeronautical Sciences Project; US Air Force Office of Scientific Research [FA9550-12-1-0218] | en_US |
| dc.description.sponsorship | This study has been supported by the NASA Fundamental Aeronautics Program, Subsonic Fixed Wing project through Cooperative Agreement no. NNX07AB56A, with additional support from the FAP Aeronautical Sciences Project. IK acknowledges the support from the US Air Force Office of Scientific Research, Grant no. FA9550-12-1-0218. The authors wish to thank Dr. Ray Guillemette of Texas A&M University Geology & Geophysics Department for the microprobe analyses and the Shape Memory Alloy Group at NASA Glenn Research Center for helpful discussions. | en_US |
| dc.language.iso | eng | en_US |
| dc.publisher | Elsevier Science Sa | en_US |
| dc.relation.isversionof | 10.1016/j.msea.2014.06.104 | en_US |
| dc.rights | info:eu-repo/semantics/closedAccess | en_US |
| dc.subject | High Temperature Shape Memory Alloys | en_US |
| dc.subject | Tinipd | en_US |
| dc.subject | Dimensional Stability | en_US |
| dc.subject | Martensitic Transformation | en_US |
| dc.subject | Shape Memory Response | en_US |
| dc.title | Influence of tantalum additions on the microstructure and shape memory response of Ti50.5Ni24.5Pd25 high-temperature shape memory alloy | en_US |
| dc.type | article | en_US |
| dc.relation.journal | Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing | en_US |
| dc.contributor.department | Anadolu Üniversitesi, Mühendislik Fakültesi, Makine Mühendisliği Bölümü | en_US |
| dc.identifier.volume | 613 | en_US |
| dc.identifier.startpage | 250 | en_US |
| dc.identifier.endpage | 258 | en_US |
| dc.relation.publicationcategory | Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı | en_US |
