Effect of Cu and Hf additions on NiTi martensitic transformation
β Scribed by K. Chastaing; P. Vermaut; P. Ochin; C. Segui; J.Y. Laval; R. Portier
- Publisher
- Elsevier Science
- Year
- 2006
- Tongue
- English
- Weight
- 585 KB
- Volume
- 438-440
- Category
- Article
- ISSN
- 0921-5093
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Iron-and Ni-base alloys, with and without Hf or Hf and Y alloy additions, were aluminized by chemical vapor deposition to study the potential for minor alloy additions to improve oxidation resistance of coated alloys. Compared to uncoated specimens, the coated specimens showed improved cyclic oxidat
The martensitic transformation temperatures and enthalpies of NiTi shape memory alloy strongly depend on the content of nickel and on carbon and oxygen impurities. Nickel stabilizes the high-temperature phase while carbon and oxygen enrich the surrounding matrix with nickel. In this work it is shown