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In the introduction to this book, and to this chapter in particular, the polymer engineering process is presented from a holistic point of view, i.e., with all of its material sources and ramifications. In the sections that follow, this point of view will be demonstrated on the basis of a number of examples of structural component development from the recent past; some of these projects extend into...
Primary forming techniques such as injection molding or extrusion use melts at about 250 °C. This chapter on secondary forming describes the shaping of thermoplastic semi-finished products like foils or sheets above their softening temperature of about 120–180 °C to form three-dimensional moldings.
The previous chapters have described the opportunities and risks of plastics as materials, whereas in this chapter and the chapters, “Opportunities and Risks Involved in Designing Structural Components Made of Polymers,” “Plastics and Structural Components – The Environment and Recycling,” they will be discussed in terms of the structural components made of plastics. The opportunities often predominate...
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