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We designed nine micro molds with various cavity geometric parameters to investigate their effects on micropillars replication of the amorphous polymer via micro hot embossing. Picoseconds laser was used to fabricate the micro holes array on the stainless steel plates with 200 µm thickness as micro molds. The mechanical behavior of PMMA above glass transition temperature was investigated by uniaxial...
The purpose of this study is to design and control a thick shape memory alloy (SMA) actuator to achieve rapid position control with two connected SMA wires. In the past, research has focused on position and force control of thin SMA wires, because they cool rapidly in air and as it is easy to get rapid response for SMA actuators in this manner. However, the cooling time is longer with thick SMA wires,...
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