The theory of laser materials processing : heat and mass transfer in modern technology /: heat and mass transfer in modern technology. ([2017])

• Record Type: Book
• Further Information: Note: John Dowden, Wolfgang Schulz, editors.
• Editors: Dowden, John Michael; Schulz, Wolfgang
• Contents: Preface; Contents; Contributors; 1 Mathematics in Laser Processing; Abstract; 1.1 Mathematics and Its Application; 1.2 Formulation in Terms of Partial Differential Equations; 1.2.1 Length Scales; 1.2.2 Rectangular Cartesian Tensors; 1.2.3 Conservation Equations and Their Generalisations; 1.2.4 Governing Equations of Generalised Conservation Type; 1.2.4.1 Flow of a Viscous Fluid; 1.2.4.2 Viscous Heat Flow; 1.2.4.3 Conservation of Electric Charge; 1.2.4.4 Linear Thermo-Elasticity in a Moving Frame of Reference; 1.2.5 Gauss's Law; 1.3 Boundary and Interface Conditions. 1.3.1 Generalised Conservation Conditions; 1.3.2 The Kinematic Condition in Fluid Dynamics; 1.4 Fick's Laws; 1.5 Electromagnetism; 1.5.1 Maxwell's Equations; 1.5.2 Ohm's Law; References; 2 Simulation of Laser Cutting; 2.1 Introduction; 2.1.1 Physical Phenomena and Experimental Observation; 2.2 Mathematical Formulation and Analysis; 2.2.1 The One-Phase Problem; 2.2.2 The Two-Phase Problem; 2.2.3 Three-Phase Problem; 2.3 Outlook; References; 3 Glass Cutting; Abstract; 3.1 Introduction; 3.2 Phenomenology of Glass Processing with Ultrashort Laser Radiation. 3.3 Modelling the Propagation of Radiation and the Dynamics of Electron Density; 3.4 Radiation Propagation Solved by BPM Methods; 3.5 The Dynamics of Electron Density Described by Rate Equations; 3.6 Properties of the Solution with Regard to Ablation and Damage; 3.7 Electronic Damage Versus Thermal Damage; 3.8 Glass Cutting by Direct Ablation or Filamentation?; Acknowledgements; References; 4 Keyhole Welding: The Solid and Liquid Phases; Abstract; 4.1 Heat Generation and Heat Transfer; 4.1.1 Absorption; 4.1.2 Heat Conduction and Convection. 4.2 Steady State 3D-Solutions Based on Moving Point Sources of Heat; 4.3 Steady State 2D-Heat Conduction from a Moving Cylinder at Constant Temperature; 4.4 Sophisticated Quasi-3D-Model Based on the Moving Line Source of Heat; 4.4.1 Surface Convection and Radiation; 4.4.2 Phase Transformations; 4.4.3 Transient and Pulsed Heat Conduction; 4.5 Model for Initiation of Laser Spot Welding; 4.5.1 Geometry of the Liquid Pool; 4.6 Mass Balance of a Welding Joint; 4.7 Melt Flow; 4.7.1 Melt Flow Passing Around the Keyhole; 4.7.2 Numerical 2D-Simulation of the Melt Flow Around a Prescribed Keyhole Shape. 4.7.3 Marangoni Flow Driven by Surface Tension Gradients; 4.7.4 Flow Redirection, Inner Eddies, Spatter and Stagnation Points; 4.7.5 Humping Caused by Accumulating Downstream Flow; 4.7.6 Keyhole Front Melt Film Flow Downwards, Driven by Recoil Pressure; 4.8 Concluding Remarks; References; 5 Laser Keyhole Welding: The Vapour Phase; Abstract; 5.1 Notation; 5.2 The Keyhole; 5.3 The Keyhole Wall; 5.3.1 The Knudsen Layer; 5.3.1.1 Ablation Through the Knudsen Layer; 5.3.1.2 Thermal Flux and Viscous Slip in the Knudsen Layer; 5.3.2 Fresnel Absorption.
• Publisher Details: Cham, Switzerland : Springer
• Publication Date: 2017
• Copyright Date: 2017
• Extent: 1 online resource (xvii, 432 pages)
• Subjects: 621.366; Physics; Lasers -- Industrial applications; Materials science; TECHNOLOGY & ENGINEERING -- Mechanical; Lasers -- Industrial applications; Materials science; Science -- Mechanics -- Dynamics -- Thermodynamics; Technology & Engineering -- Material Science; Technology & Engineering -- Manufacturing; Engineering thermodynamics; Metals technology / metallurgy; Materials science; Tool making; Engineering; Materials; Machinery; Technology & Engineering -- Lasers & Photonics; Laser technology & holography; Electronic books
• Languages: English
• ISBNs: 9783319567112
• Related ISBNs: 331956711X; 9783319567105; 3319567101
• Notes: Note: Includes bibliographical references and index.; Note: Online resource; title from PDF title page (EBSCO, viewed June 23, 2017).
• Access Rights: Legal Deposit; Only available on premises controlled by the deposit library and to one user at any one time; The Legal Deposit Libraries (Non-Print Works) Regulations (UK).
• Access Usage: Restricted: Printing from this resource is governed by The Legal Deposit Libraries (Non-Print Works) Regulations (UK) and UK copyright law currently in force.