2.1AdvantagesOfHeatTreatmentImprovementOfThe.docVIP

Trade of Toolmaking Module 5: Press Tools, Jigs Fixtures, Mouldmaking Unit 4: Introduction to Heat Treatment Phase 2 Published by Table of Contents Document Release History 3 Unit Objective 4 Introduction 4 1.0 The Origin Of Steel And Steel Production 5 1.1 Extraction Of Iron Ore And Production Of Iron And Steel 5 2.0 Describing The Various Types Of Heat Treatments On Steel 6 2.1 Advantages Of Heat Treatment: Improvement Of The Material Properties, Improved Machineability, Increased Hardness, Toughness 6 2.2 Heat Treatment Processes: Hardening, Tempering, Annealing And Normalising 6 2.3 Effect Of Cooling Rate On Hardness 7 2.4 Carbon Inducement, Temperature Range, Depth Of Case, Time Required And Critical Range 7 2.5 Iron Carbon Equilibrium Diagram, Transformation Range, Carbon Granules 7 2.6 Process Planning: Sequence Of Operations, Use Of Technical Handbooks, Analysis Of New Data 7 3.0 Describing The Properties Of A Range Of Non-Ferrous Metals 8 3.1 Co-Efficient Of Linear Expansion Of Metals, Graphing Relationship Between Increase In Temperature And Expansion 8 4.0 Safety Precautions To Be Adhered To When Heat Treating Steel 8 4.1 Handling and transformation of materials in a hot surface, dangers of the presence of water 8 5.0 Hardening And Tempering Components Utilising Heat Treatment Charts 9 5.1 Hardening, Tempering And Annealing Of A Steel Component To The Required Level 9 6.0 Identifying The Uses And/Or The Alternatives To Case Hardened Materials 10 6.1 Case Hardening Methods And Applications 10 6.2 Procedure For Case Hardening (Pack Method) 10 6.3 Alternative To Case Hardening: Nitriding, Cyaniding, Flame Hardening, Induction Hardening 10 Summary 11 Suggested Exercises 12 Questions 13 Answers 14 Recommended Additional Resources 15 Reference Books 15 Document Release History Date Version Comments 25/09/2014 2.0 SOLAS transfer Unit Objective On completion of this unit you will be able to explain how steel is produced and describe th