Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Ales Polzer"'
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture. 236:1268-1281
Heat resistance, heat stableness and corrosion resistance are properties that predispose nickel superalloys such as Inconel 625, Mar-M247, Nimonic C 263 and B1914 to a very wide range of applications. Due to their mechanical properties, their machina
Publikováno v:
ECS Transactions. 105:309-318
This study was conducted to investigate the effect of hybrid surface treatment composed of plasma nitriding (PN) and chromium nitride (CrN) coating on the friction-wear properties, the adhesion strength of AISI 316L stainless steel. The CrN coatings
Autor:
Jiri Prochazka, David Dobrocky, Zdenek Joska, Chien Nguyen, Jan Sedlacek, Josef Sedlak, Ales Polzer, Petra Sliwkova
Publikováno v:
ECS Transactions. 105:371-380
In the paper an effect of a diffusion technology such as gaseous ferritic nitrocarburizing on the surface properties of selected alloyed case-hardening steel was tested. The steel 18CrNiMo7-6, primarily predetermined for carburizing and frequently ut
Autor:
Jiri Fries, Josef Bednar, Ales Polzer, Radim Zahradnicek, Katerina Mouralova, Milan Kalivoda, Libor Benes
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture. 236:811-827
Wire electrical discharge machining (WEDM) technology is often used for the final machining of parts to the required surface quality without further finishing operations. At the same time, WEDM has a significant advantage over other machining technol
Autor:
Jan Zouhar, Ales Polzer, Zdenek Joska, Josef Sedlak, Karel Kouřil, David Dobrocky, Martin Slany, Zdenek Pokorny, Oskar Zemcik, Zbynek Studeny
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 117:3859-3871
Bimetal pipes are highly stressed composite components that must resist corrosion in a chemically aggressive environment. They are made by welding resistive material to commonly available carbon steel pipes. The production of pipe bends with a superc
Autor:
Ales Polzer, Jiri Fries, Radim Zahradnicek, Katerina Mouralova, Josef Bednar, Tomas Prokes, Zdenek Fiala, Libor Benes
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering. 235:2141-2153
The unconventional technology of wire electrical discharge machining is a key engineering technology, designed primarily for machining of conventionally difficult machine materials. One of them is nickel alloys, which are majorly used in the aerospac
Autor:
Ales Polzer, Tomas Trcka
Publikováno v:
MM Science Journal. 2021:4434-4443
Components with generally shaped surfaces requiring higher surface quality and dimensional accuracy are, in most cases, machined. Specifically, milling technology is involved very often, which can be supplemented by finishing operations. Besides stan
Autor:
Josef Chladil, Zdenek Joska, Ales Polzer, Martin Cerny, David Dobrocky, Zdenek Pokorny, Matus Varhanik, Josef Sedlak
Publikováno v:
Manufacturing Technology. 20:237-243
The presented paper deals with determination of mechanical properties of materials used for 3D printing (ABS, nylon and PLA). The theoretical part of the paper characterizes the static tensile test by which selected me-chanical properties of samples
Publikováno v:
MM Science Journal. 2020:3806-3812
Publikováno v:
MM Science Journal. 2020:3740-3744