نتایج جستجو برای: si3al gtaw

تعداد نتایج: 383  

Lashkari Ghoochani, Mahdi, Beidokhti, Behrooz,

In this research 420 martensitic stainless steel welded with the ER308L, ER309L and ER420 fillers by GTAW method. The corrosion properties of  the samples has been studied in 3.5% NaCl solution with and without CO2. Potentiodynamic polarization used to obtain the ER308L and ER309L have the best corrosion properties. In addition the welding process makes the 420 HAZ zone to be sensitized. The pi...

Journal: :Acta Scientiarum-technology 2021

Martensitic steels have been successfully employed in resource-based industries where components must endure aggressive conditions. In industrial practice, many parts of these are joined by welding techniques. The aim this work was to understand the influence on wear resistance quenched and tempered carbon martensitic steel subjected dry linear reciprocating sliding micro-wear tests. Weld-joint...

Journal: :Metals 2022

The paper presents the results of research that is focused on renovation molds for high-pressure aluminum casting. An analysis worn was carried out after they were removed from operator. extent and mechanism wear determined. GTAW (Gas tungsten arc welding) technology chosen shaped parts molds. layers realized with four types additional materials Cronitex RC 44, UTP A 73 G 3, 673 Dievar® TIG. qu...

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