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書摘/試閱
商品簡介
《塑料技術手冊 塑料制品生產（1 影印版）》內容包括LIST OF FIGURES；LIST OF TABLES；PREFACE；ABOUT THE EDITORS；3.FABRICATING PRODUCT；OVERVIEW；Process；Classifying Machine；Complete Operation；Processing and Patience；Material and FabricatioCost；Upgrading Plant；Processor Certification；PROCESSING FUNDAMENTALS；Melt Flow Analysis；Melt Strength；Melt Temperature；NewtoniaMelt Flow Behavior等等。
書摘/試閱
《塑料技術手冊 塑料制品生產（1 影印版）》：
PLASTICS PROCESSING PERF—ORMANCE
This review provides anintroductioto processing performances； many more examples are provided throughout this book.The flow patterns resulting from the conditions of a particular fabricating process are very important iaffecting product performances.The melting of plastics follows different phases that affect performances.Aexample is its modulus of elasticity.As the temperature increases， the plastic goes through the phases of glassy， transition， rubbery， and melt flow.
Reinforcing fibers， specifically the glass fibers， are brittle.Thus， whethey are used iconjunctiowith a brittle matrix， as are certaiTSs， it might be expected that the plastic posite would have low fracture energy.This is not true， and the impact strength of most glass— reinforced TS plastics is many times greater thathe impact strengths of either the fibers or the matrix.Impact strength is higher if the bond betweethe glass fibers and the matrix is relatively weak， because ifit is so strong that it cannot be broken， cracks will propagate across the matrix and fibers， and very little energy will be absorbed.Thus， there is a conflict betweethe requirements for maximum tensile or flexural modulus or strength （long glass fibers and strong interface bonds） and maximum impact strength （chapters 15 and 22）.
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PLASTICS PROCESSING PERF—ORMANCE
This review provides anintroductioto processing performances； many more examples are provided throughout this book.The flow patterns resulting from the conditions of a particular fabricating process are very important iaffecting product performances.The melting of plastics follows different phases that affect performances.Aexample is its modulus of elasticity.As the temperature increases， the plastic goes through the phases of glassy， transition， rubbery， and melt flow.
Reinforcing fibers， specifically the glass fibers， are brittle.Thus， whethey are used iconjunctiowith a brittle matrix， as are certaiTSs， it might be expected that the plastic posite would have low fracture energy.This is not true， and the impact strength of most glass— reinforced TS plastics is many times greater thathe impact strengths of either the fibers or the matrix.Impact strength is higher if the bond betweethe glass fibers and the matrix is relatively weak， because ifit is so strong that it cannot be broken， cracks will propagate across the matrix and fibers， and very little energy will be absorbed.Thus， there is a conflict betweethe requirements for maximum tensile or flexural modulus or strength （long glass fibers and strong interface bonds） and maximum impact strength （chapters 15 and 22）.
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購物須知
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