en Research Paper Research Paper <span lang="EN-US" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">Materials that are applied to combat vehicles require an innovation as the development of the military world advances. The material innovation in this research is a </span></span></span></span><span lang="IN" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">lightweight hybrid laminated Al7075 composites.</span></span></span></span><span lang="EN-US" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black"> The main materials used in </span></span></span></span><span lang="IN" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">this research </span></span></span></span><span lang="EN-US" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">are </span></span></span></span><span lang="IN" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">a</span></span></span></span><span lang="EN-US" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">luminum 7075 </span></span></span></span><span lang="IN" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">plate,</span></span></span></span> <span lang="IN" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">k</span></span></span></span><span lang="EN-US" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">evlar 29, </span></span></span></span><i><span lang="IN" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">s</span></span></span></span><span lang="EN-US" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">ilicon </span></span></span></span><span lang="IN" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">c</span></span></span></span><span lang="EN-US" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">arbide</span></span></span></span></i><span lang="EN-US" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black"> (SiC) nano powder, and epoxy resin. SiC nano powder is mixed with </span></span></span></span><i><span lang="IN" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">p</span></span></span></span><span lang="EN-US" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">olyethylene </span></span></span></span><span lang="IN" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">g</span></span></span></span><span lang="EN-US" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">lycol</span></span></span></span></i><span lang="EN-US" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">-400 (PEG-400), then </span></span></span></span><span lang="IN" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">e</span></span></span></span><span lang="EN-US" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">thanol is added so that it becomes a </span></span></span></span><i><span lang="IN" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">s</span></span></span></span><span lang="EN-US" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">hear </span></span></span></span><span lang="IN" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">t</span></span></span></span><span lang="EN-US" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">hickening </span></span></span></span><span lang="IN" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">f</span></span></span></span><span lang="EN-US" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">luid</span></span></span></span></i><span lang="EN-US" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black"> (STF) solution which is used to impregnate </span></span></span></span><span lang="IN" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">k</span></span></span></span><span lang="EN-US" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">evlar. Laminate composite</span></span></span></span><span lang="IN" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">s</span></span></span></span><span lang="EN-US" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black"> were prepared using the hand lay-up method with epoxy resin as an additive between layers of </span></span></span></span><span lang="IN" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">k</span></span></span></span><span lang="EN-US" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">evlar and </span></span></span></span><span lang="IN" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">a</span></span></span></span><span lang="EN-US" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">luminum </span></span></span></span><span lang="IN" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">7075 plates.</span></span></span></span> <span lang="IN" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">The thickness of laminates is various due to the number of kevlar</span></span></span></span><span lang="EN-US" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black"> used </span></span></span></span><span lang="IN" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">different of each laminated that is</span></span></span></span><span lang="EN-US" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black"> 8, 16, and 24 layers.</span></span></span></span> <span lang="EN-US" style="font-size:10.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">The results of this study show that the composite with impregnated kevlar has higher ballistic and impact resistance values than the composite with non-impregnated kevlar, which has good potential as a base material for combat vehicles such as tanks. This is also supported by the <i>Fourier Transfer Infrared</i> <i>Spectrometry</i> (FTIR) results to determine the level of absorbance of the functional groups identified in impregnated kevlar and <i>Scanning Electron Microscopy</i> (SEM) results of the distribution of nano SiC filler that infiltrated to the empty space in the kevlar fiber.</span></span></span></span> Hybrid Laminate Composite,Kevlar,SiC Nano Particles,Ballistic Resistance,Impact Strength 1 9 http://ijmse.iust.ac.ir/browse.php?a_code=A-10-4597-2&slc_lang=en&sid=1 Girsha Cahya Maharani girshamhrn04@gmail.com 1800319475328460017028 1800319475328460017028 Yes Department of Metallurgy & Materials Engineering, Faculty of Engineering, Universitas Indonesia, Depok, 16424, Indonesia Anne Zulfia Syahrial anne@metal.ui.ac.id 1800319475328460017029 1800319475328460017029 No Department of Metallurgy & Materials Engineering, Faculty of Engineering, Universitas Indonesia, Depok, 16424, Indonesia