Results 1 to 10 of about 130 (50)

Optimization of mold design for aluminothermic welding of railway tracks by software simulation [PDF]

open access: yesTehnika, 2022
The aluminothermic welding process of rail welding has been used to join railway rails for more than a century. The benefits of this procedure include its flexibility, compactness of the weld, and ease of execution.
Delić Alen Š.   +3 more
doaj   +1 more source

Model development for casting simulation of railway aluminothermic welding [PDF]

open access: yesTehnika, 2023
Aluminothermic welding has been used to connect railway rails for over a century. This technique has the advantages of flexibility, weld compactness, and simplicity. External energy is not required for the procedure.
Jovanović Gvozden B.   +4 more
doaj   +1 more source

Influence of feeder positions at preheating temperature distribution in railway aluminothermic welding simulation [PDF]

open access: yesTehnika
One of the most used techniques for making a continuous rail track is aluminothermic welding. This technique has its advantages in its simplicity, portability, and it does not require external energy when repairing or connecting tracks.
Jovanović Gvozden B.   +5 more
doaj   +1 more source

Experiments on the Model Testing of the 2nd Phase of Die Casting Process Compared with the Results of Numerical Simulation

open access: yesArchives of Foundry Engineering, 2015
Experiments of filling the model moulds cavity of various inner shapes inserted in rectangular cavity of the casting die (dimensions: 280 mm (height) × 190 mm (width) × 10 mm (depth) by applying model liquids of various density and viscosity are ...
Dańko R., Dańko J., Stojek J.
doaj   +1 more source

Optimization of a gating system by means of simulation software to eliminate cold shut defects in casting [PDF]

open access: yes, 2021
The current trend in foundries is to achieve the production of high quality and competitive cast components. The innovation and optimization of current processes is a necessary element to achieve this goal.
Delimanová, Petra   +3 more
core   +2 more sources

Lebensdauerabschätzung von Bauteilen aus globularem Grauguss auf der Grundlage der lokalen gießprozessabhängigen Werkstoffzustände [PDF]

open access: yes, 2022
Das Ziel der Arbeit ist, eine mögliche Verbesserung der Güte der Lebensdauervorhersage für Gusseisenwerkstoffe mit Kugelgraphit zu erreichen, wobei die Gießprozesse verschiedener Hersteller berücksichtigt werden. Im ersten Schritt wurden Probenkörper aus
Wang, Jiasheng
core   +1 more source

Casting Issues of Thick-Walled High Pressure Die Castings [PDF]

open access: yes, 2020
Die casting is a manufacturing process for producing accurately dimensioned, sharply defined, smooth or textured surface metal parts. It is accomplished by injecting liquid metal at fast velocity and under high pressure into reusable steel dies. Compared
Kiss, Ádám   +2 more
core   +2 more sources

Low cost digital fabrication approach for thumb orthoses [PDF]

open access: yes, 2017
[EN] Purpose - The purpose of this paper is to describe a novel design workflow for the digital fabrication of custom- made orthoses (CMIO). It is intended to provide an easier process for clinical practitioners and orthotic technicians alike. It further
Ana Escario Chust   +3 more
core   +1 more source

Вероятность образования экзогенных неметалических включений на поверхности стальных отливок [PDF]

open access: yes, 2019
Материалы XIX Междунар. науч.-техн. конф. студентов, аспирантов и молодых ученых, Гомель, 25–26 апр.
Синицкий, А. А.
core   +2 more sources

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