Volume 1, Issue 3
مرور بر اساس
ارسال های اخیر
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Fabrication of TiC particulate reinforced Ni-50Fe super alloy matrix composite powder by mechanical alloying
(Islamic Azad University Najafabad Branch, 2013-07-01)Mechanical alloying is a powder metallurgy processing technique involving cold welding, fracturing, and rewelding of powder particles in a high-energy ball mill. In this work, NiFe-TiC composite powders were prepared by ...
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Optimization and utilization of semisolid casting process for semisolid welding of Al-6061 alloy
(Islamic Azad University Najafabad Branch, 2013-07-01)Semisolid processing is one of the modern routes in sound and near net shape parts production. Preparation of semisolid slurry using a cooling slope is increasingly becoming popular, primarily because of its simplicity ...
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Effect of temperature and activator molar of Na2O to SiO2 in the process of synthesis and microstructure of cement geopolymer
(Islamic Azad University Najafabad Branch, 2013-07-01)Inorganic polymers were synthesized from dehydroxylated aluminosilicate clay (metakaolinite) condensed with sodium silicate in a highly alkaline environment. The thermal treatment of aluminosilicate materials causes changes ...
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Numerical Simulation Of Heat Affected Zone Microstructure During Laser Surface Melting
(Islamic Azad University Najafabad Branch, 2013-07-01)Microstructural changes during laser welding and laser surface treatment has been regarded by many researchers. Most researches have focused on studying the effect of various process parameters on the size and microstructure ...
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Influence of shielding gas composition on weld structure in pulsed Nd: YAG laser welding
(Islamic Azad University Najafabad Branch, 2013-07-01)This work studied the effect of additions of carbon dioxide to argon shielding gas on the weld shape and microstructure of ST14 steel in pulsed Nd: YAG laser welding. By additions of carbon dioxide up to 15%,the weld area ...
