Title

In Situ Neutron Diffraction Study Of Niti–21Pt High-Temperature Shape Memory Alloys

Keywords

High-temperature shape memory alloy; Neutron diffraction; NiTiPt; Texture

Abstract

In situ neutron diffraction was used to investigate the microstructural features of stoichiometric and Ti-rich NiTiPt high-temperature shape memory alloys with target compositions of Ni29Ti50Pt21 and Ni28.5Ti50.5Pt21 (in atomic percent), respectively. The alloys’ isothermal and thermomechanical properties (i.e., moduli, thermal expansion, transformation strains, and dimensional stability) were correlated to the lattice strains, volume-averaged elastic moduli, and textures as determined by neutron diffraction. In addition, the unique aspects of this technique when applied to martensitic transformations in shape memory alloys are highlighted throughout the paper.

Publication Date

12-1-2016

Publication Title

Shape Memory and Superelasticity

Volume

2

Issue

4

Number of Pages

337-346

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1007/s40830-016-0095-7

Socpus ID

85021294518 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/85021294518

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