Results 141 to 150 of about 21,667 (280)

Thermal noise in interferometric gravitational wave detectors due to dielectric optical coatings

, 2001
We report on thermal noise from the internal friction of dielectric coatings made from alternating layers of Ta2O5 and SiO2 deposited on fused silica substrates.
, , Abramovici A, Andri M Gretarsson, Blevins R D, Braginsky V B, Cadez A, Crooks D, D R M Crooks, Fraser D B, Fraser D B, Fritschel P, Gianpietro Cagnoli, Gregory M Harry, Gretarsson A M, Gwo D H, Jim Hough, Jones R M, Libbrecht K, Lunin B S, Lück H, Martin M Fejer, Nakagawa N, Nakagawa N, Norio Nakagawa, Peter R Saulson, Rowan S, Scott E Kittelberger, Sheila Rowan, Steven D Penn, Tsubono K, Whitcomb S, Willems P, William J Startin   +33 more
core   +1 more source

A Review of Welding in Space and Related Technologies [PDF]

Deployment of welding and additive manufacturing (AM) technologies in the space environment has the potential to revolutionize how orbiting platforms are designed, manufactured, and assembled.
Naden, N., Prater, T. J.
core   +1 more source

Laser welding of Al6061 alloy with dynamic beam shape

International Journal of Lightweight Materials and Manufacture
Modern laser systems can greatly enhance the technological capabilities of welding processes. This paper examines the laser welding of the Aluminum 6061 alloy using a 14 kW fiber laser equipped with Optical Phase Array (OPA) technology, which allows for ...
Aleksey Kovalevsky, Denis Baulin, Nina Armon, Shmuel Ariely, Keren Zohar-Hauber, Alexander Katz-Demyanetz   +5 more
doaj   +1 more source

Optimization of post weld heat treatment cycle of fiber laser welded bainitic steel [PDF]

, 2020
Vsm Ramakrishna R, J. P. Gautam
openalex   +1 more source

State of the Art of Laser Hardening and Cladding [PDF]

, 2005
In this paper an overview is given about laser surface modification processes, which are developed especially with the aim of hardness improvement for an enhanced fatigue and wear behaviour.
Meijer, J., Partes, K., Vollertsen, F.
core   +1 more source

Simulation and Modeling of Shielding Gas on the Welding Defects in the Fiber Laser Keyhole Welding

, 2017
Wei Liu, Yuewe Ai, Ping Jiang, Yang Liu, Gaoyang Mi   +4 more
openalex   +2 more sources

Multi-layered heat source model for fiber laser welding of cryogenic steel

Journal of Ocean Engineering and Science
Simulation models can be effectively used to predict welding distortion and residual stress in laser welding systems. To this end, developing a sophisticated heat source model for finite element analysis (FEA) is crucial.
Changmin Pyo, Jaewoong Kim, Hyunseok Oh
doaj   +1 more source

The Optimization of Process Parameters and Microstructural Characterization of Fiber Laser Welded Dissimilar HSLA and MART Steel Joints [PDF]

, 2016
Celalettin Yüce, Mümin Tutar, Fatih Karpat, Nurettin Yavuz   +3 more
openalex   +1 more source

Hastelloy C276/AISI SS304 dissimilar metal welding: A comparative review of the effective application of laser and Micro-GTAW

Journal of Materials Research and Technology
Hastelloy C276, known for its high temperature strength and corrosion resistance, is essential in the manufacture of medical devices and aerospace components. This study developed a micro-controlled GTA welding technology capable of precisely welding 0.4 
Byeong-heon Kim, Ki-hwan Kim, Young-jin Kang, Sung-shin Kim, Hee-je Kim   +4 more
doaj   +1 more source

Laser Induced Natural Fiber Welding of Cellulosic Substrates [PDF]

, 2014
E. Kathryn Brown, Kathleen Dennis, Luke M. Haverhals, Kurt D. Sweely, Hugh C. De Long, Paul C. Trulove   +5 more
openalex   +1 more source