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Joining and Assembly of Medical Materials and Devices by M Breyen, Y Zhou

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10

Overview of welding methods for medical plastics

H.J. Yeh,     Amgen Inc., USA

Abstract:

This chapter presents a technical review of the welding technologies for medical plastics. It covers both the fundamentals of the plastic-welding process and an overview of the major welding technologies used in medical plastics. Plastic-welding processes can be divided into three different groups based on the mechanism of heat generation: external heating methods, where the thermal energy is applied externally onto the surface of the part such as hot plate, extrusion, hot gas, laser, and infrared (IR) welding; internal heating methods, where the heating is generated mechanically, electrically, or electromagnetically by internal molecular vibration ...

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