Results 181 to 190 of about 3,226,193 (375)

Numerical Studies of Influencing Factors on the Homogeneity of the Powder Mixture during the Powder Spreading Process of Powder Bed Fusion–Laser Beam/Metal

open access: yesAdvanced Engineering Materials, EarlyView.
AISI 304L stainless steel powder is mixed with silicon nitride (Si3N4) powder and processed by PBF‐LB/M, allowing partial retention of Si3N4. The numerical approach effectively predicts the Si3N4 powder homogeneity and N content distribution on the powder bed. Recent studies have focused on the alloying of nitrogen (N) in high‐alloy stainless steels by
Yuanbin Deng   +7 more
wiley   +1 more source

Multifunctional Design of Triply Periodic Minimal Surface Structures for Temporary Pediatric Fixation Devices

open access: yesAdvanced Engineering Materials, EarlyView.
A metallic implant's higher stiffness compared to the surrounding bone leads to stress shielding problems, causing bone density reduction and bone growth interference in pediatric patients. 3D‐printed triply periodic minimal surface structures present a promising engineering solution.
Ali Ebrahimzadeh Dehaghani   +4 more
wiley   +1 more source

Study of heat loss mechanism in argon-circulated hydrogen engine combustion chamber wall surface conditions

open access: yesEnergy Reports, 2022
Hydrogen fuel in internal combustion engine gives a very big advantage to the transportation sector especially in solving the greenhouse emission problem.
Mohd Radzi Abu Mansor   +3 more
doaj  

Reduction of Fuel Consumption in 12ЧН15/18-Type Diesel Engine by Regulating Cooling System

open access: yesНаука и техника, 2019
Many countries exploit a large number of armored vehicles, developed and manufactured dozens of years ago. Due to this there is a necessity of its continuous modernization.
A. Yu. Fedorov
doaj   +1 more source

Analytical design and performance studies of the nuclear light bulb engine [PDF]

open access: yes
Analytical studies were conducted to investigate in detail the heat balance characteristics of the nuclear light bulb engine. Distributions of energy deposition to all engine components from the fission process, conduction and convection, and thermal ...
Latham, T. S., Rodgers, R. J.
core   +1 more source

Dislocation Distribution, Crystallographic Texture Evolution, and Plastic Inhomogeneity of Inconel 718 Fabricated by Laser Powder Bed Fusion

open access: yesAdvanced Engineering Materials, EarlyView.
Spatial distribution of microstructure in Inconel 718 3D‐printed with bidirectional strategy with no rotation and chessboard strategy is studied. The former results in a highly ordered arrangement of coarse grains separated by line clusters of dislocation‐dense fine grains. This arrangement is disrupted by the chessboard strategy.
Jalal Al‐Lami   +4 more
wiley   +1 more source

Analysis of Internal Combustion Engines Operating Parameters with Waste Heat Recovery by Two-stage Organic Rankine Cycle [PDF]

open access: yesInternational Journal of Advanced Design and Manufacturing Technology, 2013
In this paper, the amount of wasted heat from different parts of a 12 liter compression ignition engine and their potential for waste heat recovery were investigated.
saeid javan   +2 more
doaj  

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