TC17 titanium alloy is widely used in the aerospace industry, but its combustion behavior and microstructure after are rarely investigated. Herein, ignition critical oxygen pressure, velocity, of were investigated by promoted tests under an oxygen-enriched environment. The results indicated that there three stages, ignition, splash, flame propagation, for process alloy. As compared to TC11 allo...

The absence or poor chemical bonding of acrylic resin to Cobalt-Chromium metal frameworks, often introduces microleakage and bond failure at the interface. The aim of this study was to compare the shear bond strength of sandblasted cast and ingot cobaltchromium alloy to heat-cured and self-cured acrylic resins primed with four different metal primers. Fifty Co-Cr Ingot and fifty cast specimens ...

CoCrFeMoNi high entropy alloys (HEAs) exhibit several promising characteristics for potential applications of temperature coating. In this study, metastable intermetallic phases and their thermal stability high-entropy alloy CoCrFeMo0.85Ni were investigated via microstructural analyses. Solidus liquidus temperatures determined by differential analysis as 1323 °C 1331 °C, respectively. Phase tra...

Many dental alloy manufacturers instruct not to recast alloys, but the laboratories reuse casting surplus for economic reasons. It is a controversial topic in practice, so present study attempts assess effects of recasting Ni-Cr-Mo alloys. Three sets pellets were recast. The first set was melted and allowed solidify. second third two times three times, respectively. elemental composition all sa...

In this study the effects on resistance to corrosion of a low alloy steel after plasma nitriding has been reported. Nitriding was performed at temperature 450 °C and also 520 for same duration 10 h in nitrogen hydrogen (80:20) gas mixture. Sample holder biased −250 V working pressure kept around 500 Pa. After samples along with bare were exposed X-ray diffraction (XRD) understand phase formatio...

Currently, the mass parts production all over the world becomes more and more individual. It is required to be able to manufacture personalized complex shape parts with necessary microstructural, mechanical, thermo-physical, chemical and other properties in a quicker and a cheaper way. Selective Laser Sintering /Melting, a process of Additive manufacturing technologies, is applied to answer on ...

CONTEXT Remelting previously cast base metal alloy can adversely affect the mechanical properties of the alloy and necessitates addition of new alloy. AIMS To study the effect of remelting different combinations of new and used cobalt-chromium (Co-Cr) alloy on its mechanical properties and microstructure. MATERIALS AND METHODS Using induction casting, 24 tensile test specimens were prepared...

since they may expose to inorganic pollutants, drinking waters should be investigated andmonitored in industrialized regions. in this study, drinking water samples taken from eight different locationsin heavily industrialized region of turkey, namely marmara region, were analyzed to determine heavy metaland harmful trace element (fe, co, cd, hg, pb, zn, sb, cu, ba, mo, cr, mn and v) concentrati...