Results 91 to 100 of about 231,992 (267)

Influence of heat input on the mechanical characteristics, corrosion and microstructure of ASTM A36 steel welded by GTAW technique. [PDF]

Heliyon, 2023
Senthilkumar S, Manivannan S, Venkatesh R, Karthikeyan M.   +3 more
europepmc   +1 more source

EVALUATION OF A HEATING SYSTEM WITH A HEAT PUMP ACCORDING TO THE MODE OF INPUT DATA

Czech Journal of Civil Engineering, 2015
The paper is focused on evaluating a heating system with an air source heat pump using the bin method. The main goal of the paper is to find the difference between three modes of input outside air temperature data in the calculation. Outside air temperatures are used in three modes, an hour based calculation, monthly frequencies and annual frequencies ...
openaire   +2 more sources

Thermodynamic Pathways of Nonequilibrium Solidification in Wire‐Arc Additive Manufacturing Fe‐Based Multicomponent Alloy Structures

Advanced Engineering Materials, EarlyView.
Geometry‐driven thermal behavior in wire‐arc additive manufacturing (WAAM) influences microstructural evolution during nonequilibrium solidification of a chemically complex Fe–Cr–Nb–W–Mo–C nanocomposite system. By comparing different deposits configurations, distinct entropy–cooling rate correlations, segregation, and carbide evolution are revealed ...
Blanca Palacios, Anthony Gonzalez, Aleksander Aleman, Tyler Dolmetsch, Tanaji Paul, Arvind Agarwal   +5 more
wiley   +1 more source

Analysis of arc and molten droplet behavior and joint temperature field in KTIG-MIG hybrid welding

Hanjie xuebao
To address the insufficient deep penetration in conventional keyhole tungsten inert gas-metal inert gas (KTIG-MIG) hybrid welding and enhance the efficiency and quality of medium-thick plate welding, a novel KTIG-MIG hybrid welding method was developed ...
Hongchang ZHANG, Qian ZHANG, Yinan LI, Hongtao ZHANG, Wenhu HE, Jianguo GAO, Zhaofang SU   +6 more
doaj   +1 more source

Study of the Effects of Hardfacing Modes Carried out by FCAW-S with Exothermic Addition of MnO₂-Al on Non-Metallic Inclusions, Grain Size, Microstructure and Mechanical Properties

Eng
This paper investigates self-shielded flux-cored wires with an exothermic MnO2-Al addition and the effect of hardfacing modes on the deposited alloy of the Fe-C-Mn system for the first time.
Bohdan Trembach, Illia Trembach, Aleksandr Grin, Nataliia Makarenko, Olha Babych, Sergey Knyazev, Yuliia Musairova, Michal Krbata, Oleksii Balenko, Oleh Vorobiov, Anatoliy Panchenko   +10 more
doaj   +1 more source

Grain Structure Evolution in 6013 Aluminum Alloy during High Heat-Input Friction-Stir Welding. [PDF]

Materials (Basel), 2023
Kalinenko A, Dolzhenko P, Malopheyev S, Yuzbekova D, Shishov I, Mishin V, Mironov S, Kaibyshev R.   +7 more
europepmc   +1 more source

Thermomechanical Fatigue and Creep–Fatigue Interaction of Inconel 718 Additively Manufactured by Laser Beam Powder Bed Fusion

Advanced Engineering Materials, EarlyView.
Thermomechanical fatigue tests of laser beam powder bed fusion (PBF‐LB) Inconel 718 show that the additively manufactured material reaches almost the lifetimes of conventionally‐rolled material under no‐dwell conditions. Introducing dwell times at the maximum temperature markedly reduces the lifetimes due to pronounced grain boundary sliding associated
Stefan Guth, Tomáš Babinský, Jan Lars Riedel, Wen Hao Kan, Aijun Huang, Martin Heilmaier, Ivo Šulák   +6 more
wiley   +1 more source

Parameter Optimization of Orbital TIG Welding on Stainless Steel Pipe

Applied Sciences
Orbital TIG welding is widely applied to weld pipes to pipes in many fields, such as food, chemicals, oil, gas, and transportation. Optimizing welding parameters such as voltage, current, and travel speed is critical to achieve a good-quality weld.
Thien Tran Ngoc, Van-Thuc Nguyen, Thanh Trung Do, Van Huong Hoang, Dinh Ngoc Huy, Ha Tan Phat, Van Thanh Tien Nguyen   +6 more
doaj   +1 more source

Effects of Heat Input on Weld Microstructure and Properties in Keyhole TIG Welding of Invar 36 Alloy. [PDF]

Materials (Basel), 2023
Liu H, Lv S, Xuan Y, Oliveira JP, Schell N, Shen J, Deng J, Wang Y, Yang J.   +8 more
europepmc   +1 more source

Air‐Pressure–Actuated Vibroacoustic Metamaterial With Tunable Bandgap: Design, Modeling, and Characterization

Advanced Engineering Materials, EarlyView.
This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal, Michael M. Becker, Sarah C. L. Fischer   +2 more
wiley   +1 more source