Zobrazeno 1 - 10
of 204
pro vyhledávání: '"PIWNIK, J."'
Publikováno v:
Archives of Metallurgy and Materials, Vol 62, Iss 3, Pp 1647-1650 (2017)
The material selected for this investigation was low alloy weld metal deposit after TIG welding with various amount of oxygen in weld metal deposit (WMD). After TIG process it is difficult to get proper amount of oxygen in WMD on the level much lower
Externí odkaz:
https://doaj.org/article/50e4764cdf7c4fe1bc7c9f1cd5928748
Autor:
Szczucka-Lasota B., Piwnik J.
Publikováno v:
Archives of Metallurgy and Materials, Vol 62, Iss 3, Pp 1499-1504 (2017)
Thermally spraying with micro-jet cooling is an innovate technology. It is possible to get fine dispersive structure of coatings during the shorter time in comparable to the classical high velocity oxygen fuel process (HVOF). It corresponds with good
Externí odkaz:
https://doaj.org/article/ecfe240148884bdeb6c987b76ad43566
Publikováno v:
Archives of Metallurgy and Materials, Vol 62, Iss 3, Pp 1651-1657 (2017)
The article presents results of investigations on autogenous laser welding of new grade STRENX 1100 MC steel. The modern Disk laser was applied for of 5.0 mm thick butt joints welding. The influence of laser welding parameters, mainly the energy inpu
Externí odkaz:
https://doaj.org/article/b10ebedc814649c485b875ac447184dd
Publikováno v:
Archives of Metallurgy and Materials, Vol 62, Iss 1, Pp 115-118 (2017)
The paper focuses on low alloy steel after innovate welding method with micro-jet cooling. Weld metal deposit (WMD) was carried out for welding and for MIG and MAG welding with micro-jet cooling. This method is very promising mainly due to the high a
Externí odkaz:
https://doaj.org/article/7992d0b9b9f94df09cf985768e047fb1
Publikováno v:
Archives of Foundry Engineering, Vol 16, Iss 3, Pp 121-124 (2016)
This paper presents results of experimental research concerning the impact of an innovative method of micro-jet cooling on the padding weld performed with MIG welding. Micro-jet cooling is a novel method patented in 2011. It enables to steer the para
Externí odkaz:
https://doaj.org/article/3fd6ec18c29246b6b043adac50d0db7d
Publikováno v:
Archives of Metallurgy and Materials, Vol 61, Iss 3, Pp 1405-1408 (2016)
The material selected for this investigation was low alloy steel weld metal deposit (WMD) after MIG welding with micro-jet cooling. The present investigation was aimed as the following tasks: obtained WMD with various amount of acicular ferrite and f
Externí odkaz:
https://doaj.org/article/f6e9c65404174ec298815fe42f0f627c
Publikováno v:
Archives of Foundry Engineering, Vol 16, Iss 2, Pp 111-114 (2016)
The material selected for this investigation was low alloy steel weld metal deposit (WMD) after MAG welding with micro-jet cooling. The present investigation was aimed as the following tasks: analyze impact toughness of WMD in terms of micro-jet cool
Externí odkaz:
https://doaj.org/article/c991818da5ed471685932c501dc9d725
Autor:
Bąkowski H., Piwnik J.
Publikováno v:
Archives of Metallurgy and Materials, Vol 61, Iss 2, Pp 469-474 (2016)
The paper provides a comprehensive presentation of the influence of operating parameters on the tribological properties of the wheel-rail couple. Apart from wear and a friction coefficient, the tribological properties also comprise stereological para
Externí odkaz:
https://doaj.org/article/d9c56dcbad7d450abe487abeb855f5a9
Autor:
Lisiecki A., Piwnik J.
Publikováno v:
Archives of Metallurgy and Materials, Vol 61, Iss 2, Pp 543-552 (2016)
In order to improve the tribological properties of titanium alloy Ti6Al4V composite surface layers Ti/TiN were produced during laser surface gas nitriding by means of a novel high power direct diode laser with unique characteristics of the laser beam
Externí odkaz:
https://doaj.org/article/57a102b2086b4ca784f7577f2951fd42
Publikováno v:
Archives of Metallurgy and Materials, Vol 61, Iss 2, Pp 621-624 (2016)
The innovative technology, like thermal spraying with a micro-jet cooling is one of the important modification of classical ultrasonic spraying methods. Using of micro-stream with gases like argon or nitrogen allows to cool the coating immediately af
Externí odkaz:
https://doaj.org/article/12f525796acd489bbb944d489a9a71c7