Results 21 to 30 of about 18,159 (208)

Microstructures and mechanical properties of powder-filled laser welding joints composed of high-nitrogen steel

open access: yesJournal of Materials Research and Technology, 2023
In this work, a permanent connection of a high-nitrogen steel plate is achieved by using layer-by-layer powder-filled laser welding of high-nitrogen steel powder, and the stability levels of the welding process, microstructures and mechanical properties ...
Lei Wang   +7 more
doaj   +1 more source

Welding process impact on residual stress and distortion [PDF]

open access: yes, 2009
Residual stress and distortion continue to be important issues in shipbuilding and are still subject to large amounts of research. This paper demonstrates how the type of welding process influences the amount of distortion.
Colegrove, Paul A.   +10 more
core   +1 more source

Effect of Nickel on the Microstructure, Hardness and Impact Toughness of SM570-TMC Weld Metals [PDF]

open access: yesMATEC Web of Conferences, 2019
SM570-TMC steel was applied in the various fields of steel construction where higher strength is required than conventional mild steel. This steel is commonly fabricated by fusion welding where flux-cored arc welding (FCAW) is preferred due to efficiency
Setiyanto Nova Arief   +2 more
doaj   +1 more source

Multi-response optimization of CO2 laser welding process of austenitic stainless steel [PDF]

open access: yes, 2008
Recently, laser welding of austenitic stainless steel has received great attention in industry, due to its wide spread application in petroleum refinement stations, power plant, pharmaceutical industry and households.
Olabi, Abdul-Ghani   +2 more
core   +1 more source

Analisis Kekuatan Sambungan Las TIG dengan Variasi Arus Listrik pada Penyanggah Tabung Pasteurisasi Berbahan Stainless Steel 201

open access: yesRing Mechanical Engineering, 2023
Welding (Welding) is a metal joining procedure by softening some of the base metal and filler metal without regard to additional metal and produces a persistent metal. Welding has many endless types depending on the cycle and maintenance.
Alkamaluddin   +2 more
doaj   +1 more source

Comparison of joining efficiency and residual stresses in laser and laser hybrid welding [PDF]

open access: yes, 2011
Laser welding is a high energy density process, which can produce welds with less energy input and thereby lower residual stress generation compared to arc welding processes.
Colegrove, Paul A.   +9 more
core   +1 more source

Using Taguchi method to optimize welding pool of dissimilar laser welded components [PDF]

open access: yes, 2008
In the present work CO2 continuous laser welding process was successfully applied and optimized for joining a dissimilar AISI 316 stainless steel and AISI 1009 low carbon steel plates. Laser power, welding speed, and defocusing distance combinations were
Anawa, E., Olabi, Abdul-Ghani
core   +1 more source

Precision control of oxygen content in CP-Ti for ultra-high strength through titanium oxide decomposition: An in-situ study

open access: yesMaterials & Design, 2023
Oxygen has been known as an effective strengthening element in titanium (Ti) and its alloys. However, an over-dose of oxygen can also lead to embrittlement of Ti alloys.
Xianzhe Shi   +6 more
doaj   +1 more source

Measuring the process efficiency of controlled gas metal arc welding processes [PDF]

open access: yes, 2011
The thermal or process efficiency in gas metal arc welding (GMAW) is a crucial input to numerical models of the process and requires the use of an accurate welding calorimeter.
Colegrove, Paul A.   +11 more
core   +1 more source

Investigation on the process parameters of TIG-welded aluminum alloy through mechanical and microstructural characterization

open access: yesDefence Technology, 2021
Multi-pass TIG welding was conducted on plates (15 × 300 × 180 mm3) of aluminum alloy Al-5083 that usually serves as the component material in structural applications such as cryogenics and chemical processing industries.
Muhammad Samiuddin   +5 more
doaj   +1 more source

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