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This paper explores a means to control the active disassembly (AD) process for designed and manufactured heat-activated shape memory polymer snap-fits. Testing was performed for demonstration of the active release of the SMP snap-fits and for analysis of AD control factors. Robust design methodologies with Taguchi methods were used to analyze the AD process factors, including heating method and disassembly...
Delaminating and separation of obsolete printed circuit board (PCB) is essential for its recycling. This paper presents an alternative environmentally benign process method for PCB recycling. Applying the solvent system, e.g. carbon dioxide and water under certain pressure and temperature, the PCB scraps could be delaminated easily. The separation of PCB into copper foil, glass fiber and polymer will...
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