Mechanical processing and microstructure of nickel-titanium by equal channel angular extrusion

Mechanical processing and microstructure of nickel-titanium by equal channel angular extrusion

The behavior of NiTi was determined under non-isothermal conditions at 700 deg C, 750 deg C, 850 deg C and 950 deg C and ram speed 25 mm/s. This paper summarized the work on the equal channel angular extrusion (ECAE) behavior of the NiTi alloy, which is hot-worked via non-isothermal ECAE. Processing...

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Veröffentlicht in:Shànghăi jiāotōng dàxué xuébào 2005-07, Vol.39 (7), p.1193-1196
Hauptverfasser: Xiang, Guo-Quan, Cheng, Xian-Hua
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description The behavior of NiTi was determined under non-isothermal conditions at 700 deg C, 750 deg C, 850 deg C and 950 deg C and ram speed 25 mm/s. This paper summarized the work on the equal channel angular extrusion (ECAE) behavior of the NiTi alloy, which is hot-worked via non-isothermal ECAE. Processing at each of the three temperatures via ECAE can refine the initial coarse grains of NiTi (as-received) through shear deformation after first pass. The optical microscopy revealed that the developments of microstructure are quite different under different hot-working conditions.
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title Mechanical processing and microstructure of nickel-titanium by equal channel angular extrusion
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