Research Article

Design and Experiment of a Hand Movement Device Driven by Shape Memory Alloy Wires

Table 1

Performance parameters of SMA wire.

ParameterDescriptionValue

Density of SMA (kg/m3)6.5 × 103
Diameter of SMA (mm)0.3
Length of SMA (mm)600
Specific heat (J/(Kg × °C))870
Resistivity (Ω·m)1.11 × 10−6
Baseline heat transfer coefficient1100
Correction heat transfer coefficient19
Martensite final temperature (°C)34.5
Martensite start temperature (°C)61.1
Austenite start temperature (°C)69.3
Austenite final temperature (°C)109.5