Skoči na glavni sadržaj

Izvorni znanstveni članak

Influence of Different Surface Preparations of Ag- Pd Maryland Bridge Constructions on Dynamic Strength of the Composite-Metal Interface

Miroslav Miličević ; Privatna stomatološka ordinacija
Adnan Ćatović ; Zavod za fiksnu protetiku Stomatološkog fakulteta Sveučilišta u Zagrebu,Zagreb, Hrvatska
Franjo Kovačiček ; Zavod za materijale Fakulteta strojarstva i brodogradnje Sveučilišta u Zagrebu


Puni tekst: hrvatski pdf 9.412 Kb

str. 47-53

preuzimanja: 490

citiraj


Sažetak

The aim of this study was to investigate experimentally the effect of three different forms of metal bases (Pd-Ag) of Mary land bridges on the dynamic strength of the metal - composite interface. The study was carried out on 98 metal roller specimens. Three groups of specimens were investigated: netlike, electrochemically etched and sand-blasted. All specimens were dynamically loaded in an Amsler high frequency pulsator with gradual increasing of the working forces until the limits of their endurance. Metal roller specimens were loaded in a duration o f1.300,000 cycles. Results of dynamic loading showed the netlike specimens to have the most dynamic resistance of the metal-composite interface. Dynamic loading of the sand-blasted specimens was the weakest. Statistical analysis showed negative correlation between the strain and number of cycles in all the three groups of metal roller specimens.

Ključne riječi

Maryland bridge, metal-composite interface, dynamic strength

Hrčak ID:

99102

URI

https://hrcak.srce.hr/99102

Podaci na drugim jezicima: hrvatski

Posjeta: 761 *