Characterization of shape memory alloys for safety mechanisms.

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Shape memory alloys (SMAs) are metals that exhibit large recoverable strains and exert large forces with tremendous energy densities. The behavior of SMAs is thermomechanically coupled. Their response to temperature is sensitive to their loading condition and their response to loading is sensitive to their thermal condition. This coupled behavior is not to be circumvented, but to be confronted and understood, since it is what manifests SMA's superior clamping performance. To reasonably characterize the coupled behavior of SMA clamping rings used in safety mechanisms, we conduct a series of experiments on SMA samples. The results of the tests will allow ... continued below

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41 p.

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McLaughlin, Jarred T.; Buchheit, Thomas Edward & Massad, Jordan Elias March 1, 2008.

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Description

Shape memory alloys (SMAs) are metals that exhibit large recoverable strains and exert large forces with tremendous energy densities. The behavior of SMAs is thermomechanically coupled. Their response to temperature is sensitive to their loading condition and their response to loading is sensitive to their thermal condition. This coupled behavior is not to be circumvented, but to be confronted and understood, since it is what manifests SMA's superior clamping performance. To reasonably characterize the coupled behavior of SMA clamping rings used in safety mechanisms, we conduct a series of experiments on SMA samples. The results of the tests will allow increased fidelity in modeling and failure analysis of parts.

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41 p.

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  • Report No.: SAND2007-8000
  • Grant Number: AC04-94AL85000
  • DOI: 10.2172/943852 | External Link
  • Office of Scientific & Technical Information Report Number: 943852
  • Archival Resource Key: ark:/67531/metadc897246

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Office of Scientific & Technical Information Technical Reports

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  • March 1, 2008

Added to The UNT Digital Library

  • Sept. 27, 2016, 1:39 a.m.

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  • Nov. 22, 2016, 10:18 p.m.

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McLaughlin, Jarred T.; Buchheit, Thomas Edward & Massad, Jordan Elias. Characterization of shape memory alloys for safety mechanisms., report, March 1, 2008; United States. (digital.library.unt.edu/ark:/67531/metadc897246/: accessed November 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.