High-precision data on phase transformation temperatures in NiTi, including numerical expressions for the effect of Ni on M S , M F , A S , A F and T 0 , are obtained, and the reasons for the large experimental scatter observed in previous studies are discussed. Clear experimental evidence is provid
On the influence of heterogeneous precipitation on martensitic transformations in a Ni-rich NiTi shape memory alloy
β Scribed by J Khalil-Allafi; G Eggeler; A Dlouhy; W.W Schmahl; Ch Somsen
- Book ID
- 108214016
- Publisher
- Elsevier Science
- Year
- 2004
- Tongue
- English
- Weight
- 324 KB
- Volume
- 378
- Category
- Article
- ISSN
- 0921-5093
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Usually aged Ni-rich NiTi alloys undergo martensitic transformations on cooling from high temperatures in two steps: B2 to R and then R to B19Π (normal behaviour). But under certain ageing conditions, the transformation can also occur in three or more steps (unusual multiple step behaviour). In the
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