NDLI: Effect of temperature on the deformation behavior of b2 austenite in a polycrystalline ni49.9ti50.1 (at.percent) shape memory alloy

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Effect of temperature on the deformation behavior of b2 austenite in a polycrystalline ni49.9ti50.1 (at.percent) shape memory alloy

Content Provider	NASA Technical Reports Server (NTRS)
Author	Noebe, R. D. Vogel, S. Padula II, S. A. Garg, A. Clausen, B. Vaidyanathan, R. Benafan, O.
Copyright Year	2013
Description	Superelasticity in austenitic B2-NiTi is of great technical interest and has been studied in the past by several researchers [1]. However, investigation of temperature dependent deformation in B2-NiTi is equally important since competing mechanisms of stress-induced martensite (SIM), retained martensite, plastic and deformation twinning can lead to unusual mechanical behaviors. Identification of the role of various mechanisms contributing to the overall deformation response of B2-NiTi is imperative to understanding and maturing SMA-enabled technologies. Thus, the objective of this work was to study the deformation of polycrystalline Ni49.9Ti50.1 (at. %) above A(sub f) (105 C) in the B2 state at temperatures between 165-440 C, and generate a B2 deformation map showing active deformation mechanisms in different temperature-stress regimes.
File Size	227117
Page Count	2
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20150009941
Archival Resource Key	ark:/13960/t9867hk09
Language	English
Publisher Date	2013-05-20
Access Restriction	Open
Subject Keyword	Metals And Metallic Materials Temperature Dependence Deformation Shape Memory Alloys Nickel Alloys Polycrystals Isothermal Processes Binary Alloys Titanium Alloys Transmission Electron Microscopy Stress-strain Relationships Temperature Effects Austenite Microstructure Martensite Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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