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عدد المساهمات : 18961 التقييم : 35389 تاريخ التسجيل : 01/07/2009 الدولة : مصر العمل : مدير منتدى هندسة الإنتاج والتصميم الميكانيكى
| موضوع: كتاب Welding Science and Technology الأربعاء 10 يناير 2018, 10:34 pm | |
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أخوانى فى الله أحضرت لكم كتاب Welding Science and Technology Md. Ibrahim Khan B.Sc. Engg. (Mech.), M.E. (Prod.), Ph.D., F.I.E. Prof, and Head, Mechanical Engineering Department Faculty of Engineering Integral University, Lucknow
ويتناول الموضوعات الأتية :
Contents PREFACE ACKNOWLEDGEMENTS 1 INTRODUCTION TO WELDING TECHNOLOGY 1.1 Definition and Classification 1.2 Conditions for Obtaining Satisfactory Welds 1.3 Importance of Welding And Its Applications 1.4 Selection of a Welding Process 1.5 Welding Quality and Performance 2 REVIEW OF CONVENTIONAL WELDING PROCESSES 2.1 Gas Welding 2.2 Arc Welding 2.3 Resistance Welding 2.4 Solid Phase Welding 2.5 High Energy Density Welding Processes 3 WELDING SCIENCE 3.1 Introduction 3.2 Characteristics of Welding Power Sources 3.3 Arc Welding Power Supply Equipments 3.4 Welding Power-source Selection Criteria 3.5 Welding Energy Input 3.6 Energy Sources For Welding 3.7 Arc Characteristics 3.8 Metal Transfer and Melting Rates 3.9 Welding Parameters and Their Effects 4 SHIELDED METAL ARC (SMA) WELDING 4.1 Principle of Operation 4.2 Welding Current (A.C. Vs. D.C.) 4.3 Covered Electrodes Mild Steel and Low-alloy Steel Electrodes Welding Electrodes Specification Sytems . 5 THERMAL AND METALLURGICAL CONSIDERATIONS IN WELDING.. 97-122 5.1 General Metallurgy 5.2 Welding Metallurgy 5.3 Thermal and Mechanical Treatment of Welds 5.4 Residual Stress and Distortion in Welds 6 ANALYTICAL AND MATHEMATICAL ANALYSIS 6.1 Heat Input to the Weld 6.2 Relation between Weld Cross-section and Energy Input 6.3 The Heat Input Rate 6.4 Heat Flow Equations— A Practical Application 6.5 Width of Heat Affected Zone 6.6 Cooling Rates 6.7 Contact-Resistance Heat Source 7 WELDING OF MATERIALS 7.1 Welding of Cast Irons 7.2 Welding of Aluminium and its Alloys 7.3 Welding of Low Carbon HY Pipe Steels 7.4 Welding of Stainless Steels 7.5 Welding of Dissimilar Metals 7.6 Hard Surfacing and Cladding 8 WELDING PROCEDURE AND PROCESS PLANNING 8.1 Welding Symbols 8.2 Welding Procedure Sheets 8.3 Welding Procedure 8.4 Joint Preparations for Fusion Welding 8.5 Welding Positions Summary Chart 8.7 Welding Procedure Sheets Submerged Arc Welding Procedure Sheets 8.9 Welding Procedure for MIG/C02 Welding 9 WELD QUALITY 9.1 Undercuts Cracks 9.3 Porosity 9.4 Slag Inclusion 9.5 Lack of Fusion 9.6 Lack of Penetration Faulty Weld Size and Profile Corrosion of Welds Corrosion Testing of Welded Joints 10 TESTING AND INSPECTION OF WELDS 10.1 Tensile Properties 10.2 Bend Tests 10.3 Non-destructive Inspection of Welds 11 WELDING OF PIPELINES AND PIPING 11.1 Piping 11.2 Joint Design 11.3 Backing Rings 11.4 Heat Treatment 11.5 Offshore Pipework 11.6 Pipelines (Cross-country) 11.7 Pipeline Welding 12 LIFE PREDICTION OF WELDED STRUCTURES 12.1 Introduction 12.2 Residual Life Assessment of Welded Structures 12.3 Involvement of External Agencies in FFS and RLA . 12.4 Nature of Damage in Service 12.5 Inspection Techniques Applied for FFS/RLA Studies 12.6 Weld Failure 13 WELDING OF PLASTICS 13.1 Introduction 13.2 Hot Air Welding of PVC Plastics 13.3 Welding Action 13.4 Equipment 13.5 Testing of Joints 14 WELDING UNDER THE INFLUENCE OF EXTERNAL MAGNETIC FIELD 241-267 14.1 Parallel Magnetic Field 14.2 Transverse Magnetic Field .. 14.3 Longitudinal Magnetic Field 14.4 Improvement of Weld Characteristics by the Application of Magnetic Field ... 243 14.5 Magnetic Impelled Arc Welding 15 FUNDAMENTALS OF UNDERWATER WELDING-ART AND SCIENCE . 246-247 15.1 Comparison of Underwater and Normal Air Welding 15.2 Welding Procedure 15.3 Types of Underwater Welding 15.4 Underwater Wet Welding Process Development 15.5 Developments in Underwater Welding 15.6 Characteristics Desired in Electrodes for MMA Wet-Welding 15.7 Polarity 15.8 Salinity of Sea Water 15.9 Weld Shape Characteristics 15.10 Microstructure of Underwater Welds 15.11 New Developments 15.12 Summary 15.13 Possible Future Developments REFERENCES 268-272 INDEX 273-278
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