Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Seyed Majid Safi"'
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 84:2401-2411
In this paper, apart from introducing brand-new warm friction stir welding (WFSW) method, the effect of preheating on the mechanical properties of dissimilar friction stir welded copper/aluminum alloy sheets was investigated. Sheets of aluminum alloy
Publikováno v:
Applied Mechanics and Materials. 346:45-51
Robotic machining is an attractive, cost-effective, and flexible alternative for basic machining applications. Having these characteristics, industrial robots are assumed to be the next generation of machine tools. But, due to weaker structure of rob
Autor:
Seyed Majid Safi, Hossein Amirabadi, Seyed Yousef Ahmadi Brooghani, Mohamad Kazem Besharati Givi, Khalil Khalili
Publikováno v:
Key Engineering Materials. 553:41-45
This study was conducted to determine if austempered 4340 steel had different mechanical properties compared to step quenched 4340 steel. Tensile strength and impact energy was determined at room temperature under identical test conditions. The speci
Publikováno v:
Metal Science and Heat Treatment. 56:78-80
New modes of isothermal and step quenching of steel AISI 4340, which provide a combination of maximum strength, elongation and impact energy, are suggested. The recommended modes of heat treatment are applicable to any high-strength steel, are compat
Autor:
M.K. Besharati Givi, Seyed Majid Safi
Publikováno v:
Defect and Diffusion Forum. :1109-1115
In this paper, a modified up-quenching heat treatment method to the ASSAB 705M steel (ultra high strength steel) is proposed. A low alloy steel (0.33%C), was used to study the effect of isothermal austempering, successive austempering and modified up
Publikováno v:
Energy Procedia. :608-612
In this paper a modified up-quenching heat treatment method (Tomita method) for AISI 4340 steel (ultra high strength steel) is proposed. A low alloy steel (0.33%C), was used to study the effect of isothermal austempering and modified up-quenching aus