Results 101 to 110 of about 28,346 (238)

Experimental study of anti-clogging nozzle in cold sprayed pure aluminum:from coating to additive manufacturing

open access: yesCailiao gongcheng
The improved process combining a polybenzimidazole (PBI) polymer nozzle with axial center powder feeding is employed to study the nozzle clogging behavior and its impact on coating deposition.
HUANG Chunjie   +7 more
doaj   +1 more source

Strip loading in reinforced concrete: Mechanical modeling and experimental validation

open access: yesStructural Concrete, EarlyView.
Abstract Strip loading of reinforced concrete is a common problem in engineering practice. The concrete compressive strength at the load introduction can be several times higher than the uniaxial concrete compressive strength, which can be attributed to geometrical and passive confining stresses caused by load dispersion and reinforcement, respectively.
Fabian Morger   +2 more
wiley   +1 more source

Performance analysis of strengthening reinforced concrete beams under pure torsion using galvanized steel sheets: Experimental and numerical investigation

open access: yesStructural Concrete, EarlyView.
Abstract Reinforced concrete (RC) beams can be subjected to torsion, and failure due to torsion is brittle and poses a significant risk to occupants. Moreover, strengthening of existing RC beams in torsion may be required due to the upgrade of the structures or as part of structural rehabilitation.
Ahmed Hamoda   +4 more
wiley   +1 more source

Study of the Thermal and Hydrothermal Aging Effects on the Properties of 3D‐Printed Thermoplastic Polyurethane

open access: yesJournal of Vinyl and Additive Technology, EarlyView.
Effect of post‐aging conditions on mechanical and thermal properties of FDM‐printed parts. ABSTRACT In this study, the thermal and hydrothermal aging of TPU produced with the FDM technique was simulated and subjected to a series of tests. The alterations in the internal structures of the samples that had been subjected to tensile, hardness, adhesive ...
Busra Eyri   +3 more
wiley   +1 more source

Effect of heat treatment process on microstructure,mechanical property and fretting wear performance of cold sprayed CuNiIn coatings

open access: yesCailiao gongcheng
In the connection between aero-engine blades and disk tenon grooves, CuNiIn alloy is frequently applied as an anti-fretting wear coating. To investigate the effects of heat treatment processes on the microstructure and properties of the coating, this ...
LIU Zeshi   +8 more
doaj   +1 more source

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