Search Results for: microstructure

Shaped Laser Beam Effects on Outcomes of Laser Welding
Shaped Laser Beam Effects on Outcomes of Laser Welding
Introduction In this article, we discuss the effect of shaped laser beam profiles on melt thermal flow. This discussion is based on the research conducted by the scientists at University West and Institute ...
Metal Manufacturing Processes: Brief Guide
Metal Manufacturing Processes: Brief Guide
There exist a plethora of choices when it comes to making a part. Certain manufacturing processes are preferable for different types of parts depending on cost, quality, and quantity needed for any ...
Laser Additive Manufacturing and Cycle Fatigue Life Prediction
Laser Additive Manufacturing and Cycle Fatigue Life Prediction
Laser additive manufacturing and laser powder bed fusion Recent advances in laser additive manufacturing (AM) have inspired the direct production of functional parts using the technology rather than only ...
Selective Laser Melting and Fatigue Features of Steels
Selective Laser Melting and Fatigue Features of Steels
Introduction and motivation Additive manufacturing (AM) is the method of creating products from digital 3D models by fusing together successive layers of materials. Without the need for additional tooling, ...
Welding Laser Beam Shapes and Their Effects on Joints
Welding Laser Beam Shapes and Their Effects on Joints
Hybrid steel-and-aluminum structures are essential for creating lightweight components with high rigidity. Due to its higher welding-brazing speed, smaller heating area, and high automation, the laser ...
Supercontinuum Lasers: Discovery and Applications
Supercontinuum Lasers: Discovery and Applications
Introduction Supercontinuum lasers are a special type of lasers that emit an extremely wide and continuous spectrum of light. When they were first invented, these lasers were known as the “white-light” ...
Laser Microstructuring on Polymer Surfaces
Laser Microstructuring on Polymer Surfaces
Material surfaces are not as smooth as they seem. They have microscopic irregularities that can only be seen when magnified. These irregularities are called microstructures. When properly engineered, these ...
Laser-Aided Additive Manufacturing by Machine Learning
Laser-Aided Additive Manufacturing by Machine Learning
Introduction to laser-aided additive manufacturing We usually use a powerful laser beam in laser-aided additive manufacturing (LAAM), also known as Laser Metal Deposition (LMD) or Directed Energy ...
HWG and PIR Fibers: CO2 Laser Beam Delivery Resolved
HWG and PIR Fibers: CO2 Laser Beam Delivery Resolved
Introduction In this article we will discuss the use of HWG and PIR fibers for CO2 and CO laser beam delivery. Since their invention over half a century ago, CO2 and CO lasers have attracted the attention ...
Raman Lasers: Non-Linear Light Generation for Broadband Applications
Raman Lasers: Non-Linear Light Generation for Broadband Applications
Raman scattering phenomenon can be used to engineer broadband tunable lasers and to generate a broad band of frequencies in the IR spectrum. These light sources are instrumental for probing and detecting ...