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  1. No Access

    Article

    Investigation of Hardness, Microstructure, and Process Temperature in the Internal Gear Flow-Forming Process

    The advantages of the flow-forming process, such as excellent mechanical properties, simple tools, and the need for low forming force, have led to the increasing use of this process in various industries, espe...

    M. Khodadadi, K. Khalili, A. Ashrafi, F. Kolahan in Experimental Techniques (2023)

  2. No Access

    Article

    Numerically Pricing Nonlinear Time-Fractional Black–Scholes Equation with Time-Dependent Parameters Under Transaction Costs

    One of the assumptions of the classical Black–Scholes (B–S) is that the market is frictionless. Also, the classical B–S model cannot show the memory effect of the stock price in the financial markets. Previous...

    M. Rezaei, A. R. Yazdanian, A. Ashrafi, S. M. Mahmoudi in Computational Economics (2022)

  3. No Access

    Article

    Development of Aluminium-Nanoclay Composite by Using Powder Metallurgy and Hot Extrusion Process

    It is well-known that Al matrix nanocomposites are always more expensive compared to conventional materials. In this study, the Al matrix composite containing montmorillonite Nanoclay reinforcement has been sy...

    V. Gholipour, M. Shamanian, A. Ashrafi, A. Maleki in Metals and Materials International (2021)

  4. No Access

    Article

    Effects of Nd:YAG Pulsed Laser Welding Parameters on the Electrochemical Corrosion Properties of Carbon-Coated 316L Foils in a Simulated PEMFC Environment

    Recently, PEM fuel cell bipolar plates made of carbon-coated AISI 316L austenitic stainless steel have attracted a lot of attention. Parameters suitable for Nd:YAG pulsed laser welding on the lap joint were ev...

    M. R. Pakmanesh, M. Shamanian, A. Ashrafi in Transactions of the Indian Institute of Metals (2020)

  5. No Access

    Article

    Robotic uterine-sparing vesicovaginal fistula repair

    The objective was to describe a technique for the robotic repair of complex vesicovaginal fistula (VVF) with uterine preservation.

    Luis G. Medina, A. Hernandez, C. Sevilla… in International Urogynecology Journal (2018)

  6. No Access

    Article

    Enhancement of output power in a two-section periodical circular waveguide structure using magnetized plasma and a relativistic electron beam

    In the present paper, the excitation of electromagnetic wave by relativistic electron beam, as a radiation source, in a two-section periodical plasma waveguide is investigated. The dispersion relation of TM wa...

    A. Hasanbeigi, A. Ashrafi, H. Mehdian in Applied Physics B (2018)

  7. No Access

    Article

    Corrosion performance of rosemary-extract-doped TEOS:TMSM sol-gel coatings on 304L stainless steel

    Pure and rosemary-extract-doped hybrid nanostructure coatings have been generated using sols synthesized via acid catalyzed hydrolysis and condensation of methacryloxypropyltrimethoxysilane (TMSM) and tetraeth...

    M. Nasr-Esfahani, M. Pourriahi, A. Ashrafi… in Surface Engineering and Applied Electroche… (2014)

  8. No Access

    Article

    Corrosion Behavior of Ultra Fine Grain Copper Produced by Accumulative Roll Bonding Process

    In this study the effect of microstructure changes on the corrosion behavior of pure tough pitch copper in 3.5 % NaCl solution with pH = 5.5 at ambient temperature was studied. Accumulative roll bonding proces...

    A. Nikfahm, I. Danaee, A. Ashrafi… in Transactions of the Indian Institute of Me… (2014)

  9. Article

    Eyelid leishmaniasis masquerading as chalazia

    M Rahimi, N Moinfar, A Ashrafi in Eye (2009)

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  10. No Access

    Article

    Conductance study of the thermodynamics of complexation of amantadine, rimantadine and aminocyclohexane with some macrocyclic compounds in acetonitrile solution

    A conductance study concerning the interaction between cationic organic ammonium ions amantadine, rimantadine, and aminocyclohexane with 18-crown-6 (18C6), dicyclohexyl-18-crown-6 (DC18C6) and cryptand C222 in...

    F. Jalali, A. Ashrafi, M. Shamsipur in Journal of Inclusion Phenomena and Macrocy… (2008)

  11. No Access

    Article

    EIS investigation of passive film formation on mild steel in oxalic acid solution

    The properties of oxide films on mild steel formed anodically in aqueous solution containing oxalic acid were investigated by means of electrochemical impedance spectroscopy (EIS). The morphology of the passiv...

    A. Ashrafi, M. A. Golozar, S. Mallakpour in Journal of Applied Electrochemistry (2008)