《食品加工原理》课程PPT教学课件（福建农林大学）Chapter 2 THERMAL PROCESSING PRINCIPLES

《食品加工原理》课程PPT教学课件（福建农林大学）Chapter 1 INTRODUCTION

Outline and terminology Recovery Recrystallization DRV & DRX

Introduction of dislocation Elastic properties of dislocation Dislocation and plastic deformation Plastic deformation by slip Initial plastic deformation Flow stress and work hardening Deformation by twinning Deformation for polycrystals Deformation texture

Introduction Stress Equilibrium Equations Strain Yielding crietria Stress‐strain relations Equivalent stress

General Review Basics for processing maps Computation of processing maps

General Review Tensile Response of Materials Effect of temperature & strain rate

《材料加工原理 Principles of Materials Processing》教学资源（课程参考书）《Mechanical Metallurgy》（Dieter 1988，SI Metric Edition）

《材料加工原理 Principles of Materials Processing》教学资源（课程参考书）《RECRYSTALLIZATION AND RELATED ANNEALING PHENOMENA》（SECOND EDITION）

一、 问答题(4 小题,共 19.0 分) (6 分)[1]说明前角的大小对切削过程的影响？ (5 分)[2]无心磨床与普通外圆磨床在加工原理及加工性能上有那些区别？ (5 分)[3]在车床上镗孔时，若主轴回转运动和刀具的直线进给运动均很准确，只是它们在水平面内或垂直面上不平行，试分析加工后将产生什么样的形状误差？