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. 2006 Feb 28;103(10):3540–3545. doi: 10.1073/pnas.0600079103

Table 3.

Strain fixity and strain recovery rates for cycle N = 1

Sample ID* εm, % Thermally induced recovery
Magnetically induced recovery
εu(1), % Rf(1), % Rr(1), % εu(1), % Rf(1), % Rr,mg(1), %
TFX000 50 50 100 80 50 100 0
TFX050 50 49 98 81 59 118 38§
TFX075 50 49 98 82 54 108 88
TFX100 50 50 100 78 53 106 91
PDC000 100 50 50 50 50 50 0
PDC000 150 75 50 47 75 50 0
PDC100 100 57 57 59 57 57 65
PDC100 150 85 57 65 91 60 68

εu is the elongation achieved at stress zero after cooling to Tlow, Rf is the strain fixity rate, Rr is the strain recovery rate calculated according to Eqs. 1 and 2, and Rr,mg is the strain recovery rate obtained by inductive heating in the magnetic field.

*The three-digit number gives the particle content in wt % × 10.

Cyclic thermomechanical experiments Thigh = 80°C; Tlow = 0°C.

Programming including deformation at Thigh = 80°C.

§Tswitch not completely reached.

Programming by cold-drawing.

Shape recovered at 55°C.