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E-book
Author Dahotre, Narendra B

Title Laser-Based Additive Manufacturing Modeling, Simulation, and Experiments
Published Newark : John Wiley & Sons, Incorporated, 2022

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Description 1 online resource (303 p.)
Contents Cover -- Title Page -- Copyright -- Contents -- Preface -- Acronyms -- Chapter 1 Introduction to Additive Manufacturing -- 1.1 Evolution of Manufacturing -- 1.2 Concept of AM -- 1.3 Advantages over Conventional Manufacturing Techniques -- 1.4 Laser-Based AM -- 1.4.1 Laser-Based Directed Energy Deposition -- 1.4.1.1 Machine Design -- 1.4.1.2 Process Parameters -- 1.4.2 Laser Powder Bed Fusion -- 1.4.2.1 Process Parameters -- 1.4.3 Estimation of Energy Input in LAM Processes -- 1.4.4 Multi-Step LAM Techniques -- References -- Chapter 2 Multiscale Computational Approaches to LAM
2.1 Computational Science -- 2.1.1 Computational Material Science -- 2.2 Multiscale Modeling -- 2.2.1 Nano-Micro-Scale Modeling -- 2.2.1.1 Molecular Dynamics and Density Functional Theory -- 2.2.1.2 Monte Carlo Method -- 2.2.2 Meso-Macro Scale Modeling -- 2.2.2.1 Kinetic Monte Carlo Method -- 2.2.2.2 Cellular Automata -- 2.2.2.3 Phase-Field Method -- 2.2.2.4 Finite Element Method -- 2.3 Integrated Computational Materials Engineering (ICME) -- References -- Chapter 3 Laser Matter Interaction in LAM -- 3.1 Introduction -- 3.1.1 Physical Phenomena in LAM
3.2 Components of Mathematical Models in Metal AM -- 3.3 Feedstock -- 3.3.1 Powder Bed Morphology in LPBF -- 3.3.1.1 Discrete Element Method -- 3.3.1.2 Powder Spreading Mechanism -- 3.3.2 Powder Stream Generation in LDED -- 3.3.2.1 Turbulent Gas Flow and Discrete Phase Model -- 3.3.2.2 Powder Stream Characteristics -- 3.3.3 Laser-Feedstock Interaction -- 3.4 Thermo-Fluidic Model in LAM -- 3.4.1 Laser Heat Source -- 3.4.2 Radiative and Convective Cooling -- 3.4.3 Recoil Pressure and Evaporative Cooling -- 3.4.4 Surface Tension -- 3.4.5 Free Surface Tracking Methods
3.5 Melt Hydrodynamics in LPBF -- 3.5.1 Thermo-Fluidic Anatomy of a Single Track -- 3.5.2 Conduction Mode LPBF -- 3.5.3 Keyhole Mode LPBF -- 3.5.4 Energy Coupling Mechanism -- 3.6 Melt Hydrodynamics in LDED -- 3.7 Multi-Layer, Multi-Track Approach -- 3.8 Computational Cost -- 3.9 Computationally Efficient Approach -- 3.10 Guidelines for Experimental Validation -- References -- Chapter 4 Thermokinetics, Microstructural Evolution, and Material Response -- 4.1 Thermokinetics in LAM -- 4.2 Solidification -- 4.2.1 Nucleation -- 4.2.1.1 Heterogeneous Nucleation Assisted by Inoculants
4.2.1.2 Homogeneous Nucleation -- 4.2.1.3 Nucleation Influenced by Acoustic Cavitation -- 4.2.2 Solidification Variables -- 4.2.2.1 Thermal Gradient -- 4.2.2.2 Solidification Rate -- 4.2.3 Growth and Orientation -- 4.2.4 Solidification Modes -- 4.2.5 Spatial Variation of Thermokinetic Parameters -- 4.2.5.1 Dependence on the Curvature of the Trailing Boundary -- 4.2.5.2 Solidification Rate and Thermal Gradient -- 4.2.5.3 Morphology Factor and Cooling Rate Variation -- 4.2.5.4 Columnar-to-Equiaxed Transition -- 4.3 Thermal Cycles in LAM Processes -- 4.3.1 Thermal Cycles in LPBF
Notes Description based upon print version of record
4.3.1.1 Thermal Cycles During Layer Fabrication
Form Electronic book
Author Pantawane, Mangesh V
Sharma, Shashank
ISBN 9783527828807
352782880X