Претраживање
Приказ резултата 1-10 од 58
The influence of the cellular structure of the seed on the structure single crystal superalloy based on Ni / Uticaj ćelijske strukture klice na strukturu monokristala superlegure na bazi Ni
(Savez inženjera metalurgije Srbije, Beograd, 2003)
This paper elaborates the investigations about influence of the cellular structure of the seed to the distance between primary dendrites, λ1. Investigations were performed on superalloy single crystals based Ni which were ...
Thermodynamic and structural investigation of the Ag-In-Sb system
(Croatian Metallurgical Society, 2007)
The Ag-In-Sb ternary system presents one of the possible lead-free solder candidates. Therefore, the results of thermodynamic study of the alloys in the Ag-In-Sb alloys, obtained using general solution mode!, are presented ...
Experimental design approach regarding kinetics of high pressure leaching processes / Dizajniranje eksperimenata u pogledu na kinetiku luženja pri visokim pritiscima
(Savez inženjera metalurgije Srbije, Beograd, 2003)
Kinetics of high pressure leaching of nickel latente ore "Rudjinci", Serbia was studied in this work. The following parameters: temperature, acid to ore ratio, stirring speed, and time were optimized in order to obtain the ...
Laboratory investigation of cavitation resistance of materials: Modified ultrasonically induced cavitation test method / Laboratorijsko istraživanje kavitacione otpornosti materijala - modificirana ultrazvučna metoda
(Savez inženjera metalurgije Srbije, Beograd, 2008)
Cavitation erosion represents an actual problem in machines, whose components such as propellers, blades of hydraulic pumps and turbines, are exposed to high-speed flow of liquid. Research exhibited that hydraulic machinery ...
The influence of the solidification rate on the interface shape and distribution of solute
(Savez inženjera metalurgije Srbije, Beograd, 2002)
In this paper investigation of the influence of the solidification conditions on the interface shape and distribution of solute during the solidification of AI-Cu alloy by vertical Bridgman method were investigated. The ...
The effects of thermomechanical treatment on the SCC resistance of highly alloyed Al-Mg sheet / Uticaj termomehaničke obrade na otpornost prema naponskoj koroziji visoko legiranih Al-Mg limova
(Savez inženjera metalurgije Srbije, Beograd, 2002)
The effects of cold work and different heat treatments on the stress corrosion cracking (SCC) behavior of Al-Mg6.8% alloy were studied using slow strain rate testing (SSRT). The results have indicated high SCC susceptibility ...
Investigation of dynamic young modulus during thermal stability testing of the refractory material / Određivanje dinamičkog jungovog modula elastičnosti tokom ispitivanja termostabilnosti vatrostalnog materijala
(Savez inženjera metalurgije Srbije, Beograd, 2002)
Thermal stability of the refractory material with the content of 42 % Al2O3 was investigated. Water quench test (JUS.B.D8.319.) was applied. Photographs of the samples before cycling, and after some number of cycles were ...
Shot-peening induced twinning in ship-building steel / Dvojnikovanje u brodskom limu kao posledica tretiranja u mlazu sačme
(Savez inženjera metalurgije Srbije, Beograd, 2002)
The aim of this work to simulate a shot-peening process and reveal the final microstructure. The latter consisted of rafinated ferritic grains, with occurrence of twins in some grains. Since the twinning occurs when a very ...
Structure and kinetics of internal oxidation in Ag-Sn alloys / Struktura i kinetika interne oksidacije Ag-Sn legura
(Savez inženjera metalurgije Srbije, Beograd, 2008)
Internal oxidation in Ag-Sn-In-Te and Ag-Sn-Cu-Bi alloys was tested. micro structures of casted and homogenized samples, as well as after internal oxidation were followed by optical microscopy. The structure of Ag-Sn-Cu-Bi ...
Influence of heat transfer conditions on determination of thermal shock resistance of refractories / Uticaj prenosa toplote na određivanje termostabilnosti vatrostalnog materijala
(Savez inženjera metalurgije Srbije, Beograd, 2002)
The goal of this thesis was to determine the thermal shock resistance of alumina based refractories in the case of a heat transfer conditions different from the standard conditions given by quenching test JUS. B. D.8 319. ...