<div dir="ltr"><br clear="all"><div class="gmail_quote"><p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black"><br></span></p><p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black"><br></span></p><p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black"><br></span></p><p style="text-align:center;clear:both"><img style="margin-left:1em;margin-right:1em" src="cid:3304e655-26a6-4d2e-90c9-1e3589e669b1" alt="New CSRC Logo.jpg"></p><p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black"><br></span></p><p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black"><br></span></p><p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black">DATE:</span><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"> </span><span style="font-size:13.5pt;font-family:"Verdana",sans-serif;color:black"> </span><b><span style="font-size:18.0pt;font-family:"Verdana",sans-serif">Friday, November 22, 2019</span></b></p><p class="MsoNormal" style="text-align:center" align="center"><b><span style="font-size:18.0pt;font-family:"Verdana",sans-serif"><br></span></b></p><p class="MsoNormal" style="text-align:center" align="center"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"></span></p>

<p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black"><br></span></p><div dir="ltr"><p class="MsoNormal" style="text-align:center" align="center"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"></span></p>

<p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black"></span></p><p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black">TITLE:</span><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"> <br></span></p><p class="MsoNormal" style="text-align:center" align="center"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"> </span></p><p class="MsoNormal" style="text-align:center" align="center"><font size="6"><span style="font-family:verdana,sans-serif"></span></font></p><p class="MsoNormal" style="text-align:center" align="center"><font size="6"><span style="font-family:verdana,sans-serif"><b><span style="background:white none repeat scroll 0% 0%"></span></b></span></font></p><div style="text-align:center"><span style="font-family:verdana,sans-serif"><font size="6"><b><span></span></b></font></span><span style="font-family:verdana,sans-serif"><font size="6"><b><span></span></b></font></span><span style="font-family:verdana,sans-serif"><font size="6"><b><span></span></b></font></span><span style="font-family:verdana,sans-serif"><font size="6"><b><span></span></b></font></span><span style="font-family:verdana,sans-serif"><font size="6"><b><span></span></b></font></span><span style="font-family:verdana,sans-serif"><font size="6"><b><span></span></b></font></span><span style="font-family:verdana,sans-serif"><font size="6"><b><span></span></b></font></span><span style="font-family:verdana,sans-serif"><font size="6"><b><span></span></b></font></span><span style="font-family:verdana,sans-serif"><font size="6"><b><span></span></b></font></span><span style="font-family:verdana,sans-serif"><font size="6"><b><span> </span></b></font></span><span style="font-family:verdana,sans-serif"><font size="6"><b><span><span><span><span></span></span></span></span></b></font></span><span style="font-family:verdana,sans-serif"><font size="6"><b><span><span><span><span><span></span></span></span></span></span></b></font></span><span style="font-family:verdana,sans-serif"><font size="6"><b><span><span><span><span><span><span>Magnetorheological CNT Nanocomposites and Their Field-dependent Viscoelastic Responses</span></span></span></span></span></span></b></font></span></div><div style="text-align:center"><span style="font-family:verdana,sans-serif"><font size="6"><b><span><span><span><span><br></span></span></span></span></b></font></span><span style="font-family:verdana,sans-serif"><font size="6"><b><span><span><span>

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<span style="font-family:verdana,sans-serif"><font size="6"><b><span><span><span></span></span></span></b></font></span><span style="font-family:verdana,sans-serif"><font size="6"><b><span><span><span><span style="font-size:12.0pt;font-family:"Times New Roman",serif"></span></span> </span></span></b></font></span><span style="font-family:verdana,sans-serif"><font size="6"><b><span><span></span></span></b></font></span><span style="font-family:verdana,sans-serif"><font size="6"><b><span style="font-size:11pt"></span></b> </font></span></div><p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black"></span></p>

<p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black"></span></p><p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black"><br></span></p><p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black">TIME:</span><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"> </span><span style="font-size:13.5pt;font-family:"Verdana",sans-serif;color:black"> </span><b><span style="font-size:18.0pt;font-family:"Verdana",sans-serif">3:30-4:30PM</span></b></p><p class="MsoNormal" style="text-align:center" align="center"><br><b><span style="font-size:18.0pt;font-family:"Verdana",sans-serif"><span style="color:black"></span></span></b></p>

<p class="MsoNormal" style="text-align:center" align="center"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"> </span></p><p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black">LOCATION:</span><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"> <b> </b></span><b><span style="font-size:18.0pt;font-family:"Verdana",sans-serif">GMCS 314<br></span></b></p><p class="MsoNormal" style="text-align:center" align="center"><b><span style="font-size:18.0pt;font-family:"Verdana",sans-serif"><br></span></b></p>

<p class="MsoNormal" style="text-align:center" align="center"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"> </span></p>

<p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black"></span></p><p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black">SPEAKER/BIO:</span><span style="font-size:13.5pt;font-family:"Verdana",sans-serif;color:black">  </span><b><span style="font-size:18.0pt;font-family:"Verdana",sans-serif"><br></span></b></p><p class="MsoNormal" style="text-align:center" align="center"><br><b><span style="font-size:18.0pt;font-family:"Verdana",sans-serif"></span></b></p><p class="MsoNormal" style="text-align:center" align="center"><b><span style="font-size:18.0pt;font-family:"Verdana",sans-serif"></span></b><b><span style="font-size:18.0pt;font-family:"Verdana",sans-serif"></span></b><b><span style="font-size:18.0pt;font-family:"Verdana",sans-serif"></span></b><b><span style="font-size:18.0pt;font-family:"Verdana",sans-serif"></span></b><span> <b><span style="font-family:verdana,sans-serif"></span></b></span><b><span style="font-size:18.0pt;font-family:"Verdana",sans-serif"><span><span></span></span></span></b><b><span style="font-size:18.0pt;font-family:"Verdana",sans-serif"><span><span><span>Dr. Lizhi Sun, P</span>rofessor of Civil and Environmental Engineering, University of California-Irvine</span></span><br></span></b><font size="4"><span style="font-family:verdana,sans-serif"><b><span><b><span style="font-size:18.0pt;font-family:"Verdana",sans-serif"><span style="color:black"></span></span></b></span><span></span></b></span></font></p><p class="MsoNormal" style="text-align:center" align="center"><b><span style="font-size:18.0pt;font-family:"Verdana",sans-serif"></span></b></p>

<p class="MsoNormal" style="text-align:center" align="center"><span style="font-family:"Verdana",sans-serif;color:black"> </span></p>

<p class="MsoNormal"><font size="2"><span style="font-family:"Verdana",sans-serif;color:black"><br></span></font></p><p class="MsoNormal"><font size="2"><span style="font-family:"Verdana",sans-serif;color:black"><br></span></font></p><p class="MsoNormal" style="text-align:left"><font size="4"><span style="font-family:"Verdana",sans-serif;color:black">ABSTRACT:</span></font></p><font size="4">

</font><p class="MsoNormal" style="margin-top:0in;margin-right:5.2pt;margin-bottom:0in;margin-left:0in;margin-bottom:.0001pt;line-height:107%">

</p><p class="MsoNormal" style="text-autospace:none"><span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:black"><span style="font-family:verdana,sans-serif"><font size="4"><span style="font-family:arial,sans-serif">

</span></font></span></span></p><p class="MsoNormal" style="text-autospace:none">

</p><font size="4"><span style="font-family:verdana,sans-serif"><span><span><span>Magnetorheological (MR) 
elastomer composites with the addition of multi-walled carbon nanotubes 
(CNTs) are developed. The viscoelastic responses of MR nanocomposites to
 applied magnetic fields are investigated through dynamic mechanical 
analysis. It is found that a small amount of carbon nanotubes can 
effectively improve the mechanical performance of conventional MR 
elastomers. The MR nanocomposites have shown not only large jumps in 
zero-field dynamic stiffness and damping, but also higher 
magnetic-field-induced improvement in these dynamic mechanical 
properties. In addition, a micromechanics-based viscoelastic 
constitutive model of nanocomposites was developed with a particular 
focus on the effect of imperfect interface between matrix polymer and 
carbon nanotubes. <br></span></span></span></span></font></div><div dir="ltr"><font size="4"><span style="font-family:verdana,sans-serif"><span><span><span><br></span></span></span></span></font></div><div dir="ltr"><font size="4"><span style="font-family:verdana,sans-serif"><span><span><span>
Bio: Dr. Lizhi Sun is Professor in Department of Civil and Environmental
 Engineering at University of California, Irvine (UCI). His primary area
 of research is the micro/nano-mechanics of heterogeneous composite 
materials, with applications in civil, aerospace, mechanical, and 
biomedical engineering. His research has been sponsored by various US 
federal funding agencies. He has published more than 100 journal papers 
in the field of mechanics and materials. He wins numerous academic and 
research awards such as Fellow of AAAS (2017), Fellow of ASCE’s 
Engineering Mechanics Institute (2014), UCI Civil and Environmental 
Engineering Professor of the Year (2013), AFRL Faculty Fellow (2011), 
UCI School of Engineering Fariborz Maseeh Best Faculty Research Award 
(2008), and Honda Research Initiation Award (2006). Dr. Sun is an editor
 for International Journal of Damage Mechanics and an associate editor 
for ASCE’s Journal of Engineering Mechanics. He has organized more than 
70 symposia for various societies and served as a reviewer for more than
 80 journals and 10 funding agencies (e.g. NSF, NIH, and DoD). Dr. Sun 
has been the technical committee chair for ASCE-EMI Committee on 
Inelasticity Modeling and Multiscale Behavior (2009-2011), ASCE-EMI 
Committee on Nanocomposites (2012-2013), and ASCE-EMI Committee on 
Nanomechanics and Micromechanics (2014-2017). </span></span></span><span style="color:black"><span><br></span></span>

<span>  <br></span></span></font></div><div dir="ltr"><font size="4"><span style="font-family:verdana,sans-serif"><span><br></span></span></font><p class="MsoNormal" style="margin-top:0in;margin-right:5.2pt;margin-bottom:0in;margin-left:0in;margin-bottom:.0001pt;line-height:107%"><br>

</p><span style="font-family:arial,sans-serif"><font size="4">

</font></span></div><span style="font-family:arial,sans-serif"><font size="4">Host: Satchi Venkataram<br></font></span>

<p></p>

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