Now showing items 1-7 of 7

    • Bimodal grain microstructure development during hot compression of a cast-homogenized Mg-Zn-Zr alloy 

      Hadadzadeh, Amir; Mokdad, Fatma; Shalchi Amirkhiz, Babak; Wells, Mary; Williams, Bruce W.; Chen, Daolun (Elsevier, 2018-05-02)
      Hot deformation of a cast-homogenized ZK60 alloy was studied by compression at a temperature of 450 °C and a strain rate of 0.001 s−1 to investigate microstructural evolution. The deformed microstructure was characterized ...
    • Effect of alloy composition on hot deformation behavior of some Al-Mg-Si alloys 

      ODOH, DANIEL OGHENEKEWHE; Mahmoodkhani, Yahya; Wells, Mary (Elsevier, 2018-03-01)
      The hot flow stress behavior of three Al-Mg-Si alloys was determined by performing hot deformation compression tests on a Gleeble 3500 thermomechanical simulator over the temperature range 400 °C–550 °C and at strain rates ...
    • Low-cycle fatigue characterization and texture induced ratcheting behaviour of forged AZ80 Mg alloys 

      Gryguc, Andrew; Behravesh, Seyed Behzad; Shaha, Sugrib K.; Jahed, Hamid; Wells, Mary; Williams, Bruce W.; Su, Xuming (Elsevier, 2018-11-01)
      Stress-controlled uniaxial “push-pull” fatigue testing was conducted on as-received (cast and extruded) and closed-die cast-forged and extruded-forged AZ80 Mg alloy. The as-cast material possessed random texture and somewhat ...
    • Mathematical modeling of thermo-mechanical behavior of strip during twin roll casting of an AZ31 magnesium alloy 

      Hadadzadeh, Amir; Wells, Mary (Elsevier, 2013-06-01)
      The effect of set-back distance on the thermo-mechanical behavior of the strip during twin roll casting (TRC) of an AZ31 magnesium alloy was modeled using finite element method (FEM). Model validation was done by comparing ...
    • Monotonic and cyclic behaviour of cast and cast-forged AZ80 Mg 

      Gryguc, Andrew; Shaha, Sugrib K.; Behravesh, Seyed Behzad; Jahed, Hamid; Wells, Mary; Williams, B.; Su, X. (Elsevier, 2017-11)
      Tensile and strain-controlled fatigue tests were performed to investigate the influence of forging on the performance of cast AZ80 magnesium alloy. The obtained microstructural analysis showed that the as-cast AZ80 magnesium ...
    • Process parameters for hot stamping of AA7075 and D-7xxx to achieve high performance aged products 

      Omer, Kaab; Abolhasani, Atekeh; Kim, Samuel; Nikdejad, Tirdad; Butcher, Clifford; Wells, Mary; Esmaeili, Shahrzad; Worswick, Michael (Elsevier, 2018-07)
      This work examines the necessary process parameters for die quenching (DQ) during hot stamping and subsequent age hardening and paint bake cycle (PBC) response for two alloys: AA7075 and a developmental 7xxx alloy (referred ...
    • Sagging resistance of warm formed aluminum brazing sheet 

      Benoit, Michael J.; Kaur, R.; Wells, Mary; Jin, H.; Amirkhiz, B. Shalchi; Winkler, Sooky (Elsevier, 2018-04-01)
      Interrupted tensile tests, performed between room temperature (RT) and 250°C, were used to simulate warm forming of an AA3003/AA4045 brazing sheet. Brazing performance was predicted from sagging distance measurements after ...

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