Search Results - "Piwnik, J"

Tribological Characteristic of Titanium Alloy Surface Layers Produced by Diode Laser Gas Nitriding by Lisiecki, A., Piwnik, J.

“…In order to improve the tribological properties of titanium alloy Ti Al V composite surface layers Ti/TiN were produced during laser surface gas nitriding by…”
Get full text

Laser Welding of New Grade of Advanced High Strength Steel STRENX 1100 MC by Kurc-Lisiecka, A., Piwnik, J., Lisiecki, A.

“…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…”
Get full text

New Technological Concept for Thermal Spray Protective Coatings by Szczucka-Lasota, B., Piwnik, J.

“…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…”
Get full text

Quantitative and Qualitative Comparison of Tribological Properties of Railway Rails with and without Heat Treatment by Bąkowski, H., Piwnik, J.

“…The paper provides a comprehensive presentation of the influence of operating parameters on the tribological properties of the wheel-rail couple. Apart from…”
Get full text

Numerical solutions of metal plastic flow in compression tests with sinusoidal profile of die roughness by Mogielnicki, K, Piwnik, J

“…During metal bulk-forming in microscale the so-called size effect, making changes in the material deformation process should be taken into account. One of the…”
Get full text

Oxygen in Steel WMD after Welding with Micro-Jet Cooling by Wegrzyn, T., Piwnik, J., Hadrys, D.

“…Until that moment micro-jet technology was tested only for MIG welding process with argon as a shielded gas. An article presents actual information about…”
Get full text

Low Alloy Steel Structures After Welding with Micro-Jet Cooling by Węgrzyn, T., Piwnik, J., Hadryś, D., Wszołek, Ł.

“…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…”
Get full text

Nitrogen And Oxygen Amount In Weld After Welding With Micro-Jet Cooling by Węgrzyn, T., Piwnik, J.

“…Micro-jet cooling after welding was tested only for MIG welding process with argon, helium and nitrogen as a shielded gases. A paper presents a piece of…”
Get full text

Selected Parameters of Micro-Jet Cooling Gases in Hybrid Spraying Process by Szczucka-Lasota, B., Węgrzyn, T., Stanik, Z., Piwnik, J., Sidun, P.

“…The innovative technology, like thermal spraying with a micro-jet cooling is one of the important modification of classical ultrasonic spraying methods. Using…”
Get full text

Compressive Strength of Steel Frames after Welding with Micro-Jet Cooling by Hadryś, D., Węgrzyn, T., Piwnik, J., Wszołek, Ł., Węgrzyn, D.

“…Low carbon steel weld structures generally exhibit a very linear stress-strain relationship. In the study of strength of materials, the compressive strength is…”
Get full text

Impact Toughness of Steel WMD After TIG Welding by Węgrzyn, T., Piwnik, J., Stanik, Z., Węgrzyn, D., Sieteski, D.

“…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)…”
Get full text

The Combined Influence of Molybdenum and Nickel in Steel Welds by Szczucka-Lasota, B, Węgrzyn, T, Kurc-Lisiecka, A, Piwnik, J

“…Weld metal deposit (WMD) was carried out for standard MMA welding process. This welding method is still promising mainly due to the high amount of AF (acicular…”
Get full text

Influence of deformation on metal structure in the forward microextrusion process by Mogielnicki, K, Piwnik, J

“…Investigation results presented in the work relate to the impact of tool roughness on the material plastic flow during forward microextruding of metal…”
Get full text

Experimental and Fe Analysis of Aluminium Alloy Plastic Flow in the Forward Microextrusion Processes by Piwnik, J., Mogielnicki, K.

“…The main aim of the paper is an evaluation of the real impact of a container surface roughness on metal plastic flow in the forward microextrusion process. For…”
Get full text

MATHEMATHICAL EQUATIONS OF THE INFLUENCE OF MOLYBDENUM AND NITROGEN IN WELDS by Stanik, Z, Węgrzyn, T, Piwnik, J, Kamińska, J

Get full text

Mechanical properties of shaft surfacing with micro-jet cooling by Wegrzyn, T, Piwnik, J, Lazarz, B, Tarasiuk, W

“…An article presents information about innovate welding technology (surfacing) with micro-jet cooling. There are given main information about parameters of…”
Get full text

The Use of Compressed Air for Micro-Jet Cooling After MIG Welding by Hadryś, D., Węgrzyn, T., Piwnik, J., Stanik, Z., Tarasiuk, W.

“…The material selected for this investigation was low alloy steel weld metal deposit (WMD) after MIG welding with micro-jet cooling. The present investigation…”
Get full text

Low Alloy Steel Welding with Micro-Jet Cooling by Węgrzyn, T., Piwnik, J.

“…Low alloy steel is used for many important structures. In that material there is a small amount of carbon and controlled percentage of alloy elements such as…”
Get full text

The Effect Of Different Micro-Jet Streams Number On Plastic Properties Of Welds by Hadryś, D., Węgrzyn, T., Piwnik, J.

“…The main goal of that paper was analysing of plastic properties of welds made with micro-jet cooling. New technology of micro-jet welding could be regarded as…”
Get full text

Plastic Properties of Fine-Grained WMD After Micro-Jet Cooling by Hadryś, D., Węgrzyn, T., Piwnik, J.

“…Micro-jet welding is an innovative method of weld forced cooling immediately after welding. It allows to obtain weld with superior properties in comparison to…”
Get full text