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Abstract

This paper presents an original proposal of the development of Marszałka Józefa Piłsudskiego Square in Warsaw. A place, whose historical, urban, and identity-related significance cannot be overestimated. The fate of this urban interior throughout the past two centuries have been marked with constant transformation and its current form is a matter of debate. This proposal has the character of a personal reflection by an architect, a resident of Warsaw and a designer sensitive to humanist needs.
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Authors and Affiliations

Marek Budzyński
1

  1. Emerytowany profesor Politechniki Warszawskiej
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Abstract

A short literature survey which justifies coating of ceramic cutting inserts is presented. The results reported are on selected nitride

coatings, in particular nanoscale multilayer, with layers of type Ti-Zr-N, TiN, ZrN and (TiAl)N, deposited by the arc PVD method on oxidecarbide ceramic cutting inserts of type TACN and TW2 produced at the Institute of Advanced Manufacturing Technology. Measurements and quality assessments were made, including of thickness of the coatings and of their constituent micro and nanolayers, microhardness of the coating and of the substrate, surface roughness of the inserts and of the cylindrical workpieces turned with these tools. Lifetimes of the coated and uncoated inserts were compared in turning an alloy tool steel. A significant increase in lifetime of the coated TW2 cutting tools was shown.

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Authors and Affiliations

K. Czechowski
I. Pofelska-Filip
B. Królicka
P. Szlosek
B. Smuk
J. Wszołek
A. Kurleto
J. Kasina

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