Temat: dental alloy - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: The Influence of Remelting on the Quality of Prosthetic Cobalt Alloys
Autorzy:: Nadolski, M.
Łągiewka, M.
Konopka, Z.
Zyska, A.
Golański, G.
Powiązania:: https://bibliotekanauki.pl/articles/382647.pdf
Data publikacji:: 2015
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: cobalt alloy
centrifugal casting
lost wax technology
dental prosthetics
stop kobaltu
odlewanie odśrodkowe
metoda wytapianych modeli
protetyka stomatologiczna
Opis:: A commercial cobalt alloy applied in dental prosthetics was investigated. The scope of the work included the microstructure analysis, performance examination (tensile strength, microhardness, corrosion resistance), and dilatometric examination. The investigated alloy after a single remelting was characterised by higher tensile strength and hardness. There were not found the definite results with regard to the corrosion resistance of the examined materials. No significant change occurred in the coefficient of thermal expansion.
Źródło:: Archives of Foundry Engineering; 2015, 15, 3 spec.; 53-58
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Microstructural and micromechanical tests of titanium biomaterials intended for prosthetic reconstructions
Autorzy:: Ryniewicz, A. M.
Bojko, Ł.
Ryniewicz, W. I.
Powiązania:: https://bibliotekanauki.pl/articles/307469.pdf
Data publikacji:: 2016
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: CAD/CAM
protetyka stomatologiczna
DMLS
mikrostruktura
mikrotwardość
tytan
stop tytanu
CAD/CAM system
dental prosthetics
direct metal laser sintering
microstructure
microhardness
titanium
titanium alloy
Opis:: Purpose: The aim of the present paper was a question of structural identification and evaluation of strength parameters of Titanium (Ticp – grade 2) and its alloy (Ti6Al4V) which are used to serve as a base for those permanent prosthetic supplements which are later manufactured employing CAD/CAM systems. Methods: Microstructural tests of Ticp and Ti6Al4V were conducted using an optical microscope as well as a scanning microscope. Hardness was measured with the Vickers method. Micromechanical properties of samples: microhardness and Young’s modulus value, were measured with the Oliver and Pharr method. Results: Based on studies using optical microscopy it was observed that the Ticp from the milling technology had a single phase, granular microstructure. The Ti64 alloy had a two-phase, fine-grained microstructure with an acicular-lamellar character. The results of scanning tests show that titanium Ticp had a single phase structure. On its grain there was visible acicular martensite. The structure of the two phase Ti64 alloy consists of a β matrix as well as released α phase deposits in the shape of extended needles. Micromechanical tests demonstrated that the alloy of Ti64 in both methods showed twice as high the microhardness as Ticp. In studies of Young’s modulus of Ti64 alloy DMLS technology have lower value than titanium milling technology. Conclusions: According to the results obtained, the following conclusion has been drawn: when strength aspect is discussed, the DMLS method is a preferred one in manufacturing load structures in dentistry and may be an alternate way for the CAD/CAM system used in decrement processing.
Źródło:: Acta of Bioengineering and Biomechanics; 2016, 18, 1; 121-127
1509-409X
2450-6303
Pojawia się w:: Acta of Bioengineering and Biomechanics
Dostawca treści:: Biblioteka Nauki

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