ahmed_hemaid

Ahmed Mahmoud Mostafa Elsayed Hemaid

Teadching-Assistant - مدرس مساعد

Faculty Of Archaeology

Address: Sohag University, Faculty of Archaeology, Department of Conervtion

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Publications Which contain the keyword: Carbonitriding

An investigation on the microstructure, tribological and corrosion performance of AISI 321 stainless steel carbonitrided by RF plasma process

2020-07-25 16:42:20 Keywords Carbonitriding,
An investigation on the microstructure, tribological and corrosion performance of AISI 321 stainless steel carbonitrided by RF plasma process
An anticorrosive and wear-resistant superficial top layer was distinctly produced in AISI 321 austenitic stainless steel by rf plasma carbonitriding. Details about the elemental distribution profiles and the microstructure of the carbonitrided samples, as a function of treatment temperature, were characterized by glow discharge optical spectroscopy (GDOS), grazing incidence X-ray diffraction (GIXRD) and optical microscopy (OM). The tribological behavior was ... Read more

Duplex treatment of 304 AISI stainless steel using rf plasma nitriding and carbonitriding

2018-09-26 12:09:21 Keywords Surface morphology, Microstructure, Surface hardness, Glow discharge optical spectro, Carbonitriding, Duplex treatment,
Duplex treatment of 304 AISI stainless steel using rf plasma nitriding and carbonitriding
Surface of 304 AISI austenitic stainless steel has been modified using duplex treatment technique of nitriding and carbonitriding. A thick modified nitrided layer, of approximately 20 μm, has been achieved when rf inductively coupled plasma was adjusted at 450 W for processing time of only 10 min. After performing the nitrided layer, the nitrided samples were carbonitrided using the same ... Read more

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