Modeling Continuous-Wave Laser Beam Welding of Titanium Alloy: A Computational Approach

This licentiate book addresses an aspect of production technology that is metal processing through fusion. A challenge to take up in production technol-ogy is to develop sustainable manufacturing processes to save both material and energy consumption. A metal fusion heat source with high efciency is laser beam. The industrial demand to increase the productivity and improve the robustness of high-power laser beam welding (LBW) and laser beam addi-tive manufacturing (LBAM) processes is driving huge research efforts towards the repeatability and reliability of the processes. Application of high-power continuous-wave laser beam for metal fusion in areas such as welding and ad-ditive manufacturing (AM) has increased during the last years with rapid pace. Continuous-wave lasers have proven their great performance in terms of their stability and power output during processing. However laser metal fusion is very complicated, and more detailed physical understanding would improve this process. The aim of this licentiate book is to reach better model reliability and deeper understanding of continuous-wave LBW of a Titanium alloy (Ti-6Al-4V) in conduction mode through a Computational Fluid Dynamics (CFD) approach.

Skip expensive trial-and-error welding! This book uses clear computational techniques to predict weld quality in titanium alloys for continuous-wave laser welding, saving you time and materials.

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Dr. Jessy, for your Adolescent Psychology course, I propose "Teen Brain: Primed for Addiction." This book explores the science behind why teenagers are more susceptible to addiction. We'll delve into the unique development of the teenage brain, particularly the reward system and prefrontal cortex, which make teens more likely to seek out rewarding experiences and struggle with resisting urges. "Teen Brain" goes beyond biology, analyzing social and environmental factors like peer pressure and technology access that can further heighten risk. This book isn't just about the problem. By understanding how the teenage brain is "primed for addiction," we can empower parents, educators, and mental health professionals with the knowledge and tools to prevent addiction and promote healthy coping mechanisms in adolescents. "Teen Brain" is a valuable resource for anyone who works with teenagers or wants to understand the complex link between brain development, addiction, and adolescent behavior.