Foreword
Chapter 1 Introductoin of Die & Mold Materials
Lesson 1 Steels
Reading Materials（1）The Function of Alloying Elements in Alloy
Lesson 2 Heat Trating of Steel
Reading Materials（2）Surface Hardening
Chapter 2 Plastics Forming and Mold Design
Lesson 3 Summary of Plastics
Lesson 4 Structure of Plastics
Reading Materials（3）Additives
Lesson 5 Classification and Application of Plastics
Reading Materials（4）Average Plastics
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