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نمایش تعداد 1-10 از 127

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    An experimental investigation of casing effect on mechanical properties of billet in ECAP process 

    نوع: Journal Paper
    نویسنده : رضا ناصری; مهران کدخدایان; محمود شریعتی; Reza Naseri; Mehran Kadkhodayan; Mahmoud Shariati
    سال: 2016
    خلاصه:

    Equal channel angular pressing (ECAP) is one of the most prominent severe plastic deformation (SPD) processes to achieve ultra-fine grained (UFG) structures. Using bimetallic specimens has been recently considered in this ...

    Optimization of Die Geometry for Tube Channel Pressing 

    نوع: Journal Paper
    نویسنده : محمدحسن فرشیدی; Mohammad Hassan Farshidi
    سال: 2018
    خلاصه:

    to optimize the die geometry of TCP through a finite element simulation procedure verified by experiments in order to increase the imposed strain as well as decreasing the strain heterogeneity. Results show that the increase in die curvature radius causes...

    Constitutive modelling and springback prediction for creep age forming of 2124 aluminium alloy 

    نوع: Journal Paper
    نویسنده : Xu, X.L. - Zhan, L.H. - Li, Y.G. - Huang, M.H.
    ناشر: Institute of Materials, Minerals and Mining
    سال: 2013

    Characterization of the static behavior of micromirrors under the effect of capillary force, an analytical approach 

    نوع: Journal Paper
    نویسنده : حمید معین فرد; Ali Darvishian; Hassan Zohoor; Mohammad Taghi Ahmadian; Hamid Moeenfard
    سال: 2011
    خلاصه:

    the instability number defined in this article, the rotation angle of the micromirror is increased and suddenly the pull-in occurs. The results of the presented model are then verified by comparing them with the results of finite element simulations performed...

    Thermomechanical stress analysis and measurement in quasi-monolithic integration technology (QMIT) 

    نوع: Journal Paper
    نویسنده : مجتبی جودکی; G. Kompa; H. Hillmer; Mojtaba Joodaki
    سال: 2005
    خلاصه:

    -dimensional (3-D) finite-element simulator are applied to achieve the thermomechanical stress distribution under different temperatures for the different structures fabricated by QMIT. A closed-loop temperature measurement system consisting of a Pt-100...

    Finite element modeling of mandrel speed in cold expansion process 

    نوع: Journal Paper
    نویسنده : خلیل فرهنگ دوست; عباس حسینی; Khalil Farhangdoost; Abbas Hosseini
    سال: 2012
    خلاصه:

    The bodies of aircraft structures have a lot of fastener holes and under different situations

    these holes bear external forces, which cause a tensile stress on the surface that leads to the failure of

    materials. ...

    Massive MIMO systems with hardware-constrained base stations 

    نوع: Conference Paper
    نویسنده : Bjornson, E. , Matthaiou, M. , Debbah, M.
    ناشر: IEEE
    سال: 2014

    A Colored Petri Net model for NFP driven web service composition 

    نوع: Conference Paper
    ناشر: IEEE
    سال: 2014

    Software Defined Radio as a solution to testing RF avionics 

    نوع: Conference Paper
    نویسنده : Shaw, G.R.; Lopato, J.
    ناشر: IEEE
    سال: 2014

    FBG-based temperature sensor package 

    نوع: Conference Paper
    نویسنده : Reddy, M.Venkata; Prasad, R.L.N.Sai; Srimannarayana, K.; Manohar, M.; Apparao, T.V.
    ناشر: IEEE
    سال: 2014
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