Wyniki wyszukiwania - BazTech

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Wpływ struktury krystalicznej powłoki diamentowej na skrawność płytek z węglików spiekanych przy frezowaniu

Jemielniak Krzysztof

Mechanik

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2019

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R. 92, nr 12

806

PL

Płytkami z węglików spiekanych powlekanych mikrokrystalicznym diamentem można efektywnie obrabiać materiały nieżelazne, takie jak stopy aluminium czy tworzywa sztuczne wzmacniane włóknem węglowym. Parametry stosowane w trakcie powlekania istotnie wpływają na strukturę i właściwości powłoki.

2

Research and analysis of the results from the goniometer and tribotester using the diamond - derivating coating on piston ring

Borkowska Joanna, Kaźmierczak Andrzej

Combustion Engines

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2019

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R. 58, nr 4

147--150

EN

The elements creating friction pairs are described to be very difficult in terms of determining all optimal parameters in an unambiguous manner. The nowadays research on stability of friction pairs is focused on the surface and the top layer of surface. The main goal is find new design solutions and materials, achieving a lot of kilometers to main repair in combustion engines. The biggest structural difficulties are noticeable in friction pairs where can be observed sliding and returning motion, what is connected with sealing function. A typical example of such pair is piston ring - cylinder. Engineers work on defining an additional factor that would be able to gain the reduction of tangential force by reducing the friction coefficient in elements of friction pair. Molecular structure and nature of the bonds between the molecules presented in the material, result that the free surface energy may be such a factor, because determines the tribological properties of the material, what is reflected in the stability of the units. The work carries out of an analysis after research on the goniometer in the presence of water and diododomethane that allowed to measure wetting drops on the surface, thanks to which can be calculated surface energy. Within this work will be performed study of the energy state of the surface of piston rings with a coating including a diamond powder. After analysis on the basis of the collected measurements will be developed conclusion regarding the potential relationship between the free surface energy and wearing of the material.

3

Quality control of a metallic dental bur with a diamond coating

Strzelczak K.

Production Engineering Archives

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2018

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Vol. 19

26--29

EN

During operation, sterilization and disinfection, the surface working part of dental burs deteriorates. In this study a commercial metallic dental bur with extra coarse gradation (177-250 μ of ceramic embankment), made of a stainless steel were covered with a nickel-diamond composite was examined. The working part of the tool is round-end taper shaped and is intended for crown and bridge preparation. Analysis of microstructure was carried out using Jeol JSM-6610 LV scanning electron microscope with EDX analyzer. After 3 months of operation, the bur can be used for further work in the dental surgery.

4

Powłoki diamentowe nanoszone metodami CVD

Sieniawski J., Richert M., Poręba M., Zawadzka P.

Rudy i Metale Nieżelazne

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2013

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R. 58, nr 7

370-373

PL

W artykule przedstawiono najnowsze dane dotyczące sposobów wytwarzania powłok diamentowych i diamentopodobnych DLC. Omówiono także metody badania mikrostruktury, własności i identyfikacji składu fazowego tego typu powłok. Przedstawiono strukturę i budowę powłok diamentowych oraz ich charakteryzację.

EN

The methods of diamond and Diamond-like carbon (DLC) coatings production are presented in the work. The ways of investigations of microstructure, properties and phase identifications of such type of coatings are also presented. The microstructure, construction and characterization of diamond coatings are shown.

5

Wytwarzanie ostrzy ze spiekanego polikrystalicznego diamentu oraz powłok diamentowych i diamentopodobnych

Kupczyk M.J.

Mechanik

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2012

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R. 85, nr 8-9CD (SOS)

23--30