Material which is at least partially made from a constituent having a one-way shape memory effect and process to produce said material
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United States of America Patent
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-
May 21, 1985
Grant Date -
N/A
app pub date -
Jul 27, 1982
filing date -
Feb 5, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Material, in the form of bars, tubes, profiles, wires, sheets, or bands, which is, at least partially, composed of a constituent showing a one-way shape memory effect, and a further inactive constituent hindering the one-way effect of the first, and which collectively exhibits a significant two-way effect. The one-way shape memory constituent can be a Cu-Al-Ni, Cu-Al, TiV, Ti-Nb, Ni-Ti, or Ni-Ti-Cu alloy. Production of bi- or multi-constituent components by brazing, welding, roll bonding, extruding, powder metallurgical methods, hot isostatic pressing, or gluing, or by the application of metallic coatings (2) onto a core material (1) and subsequent diffusion treatment to produce an inactive surface layer (3).
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