<div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w0 h0" alt="" src="https://files.passeidireto.com/6b09d706-7b58-478e-93ba-33389c35a8f6/bg1.png"><div class="t m0 x1 h1 y1 ff1 fs0 fc0 sc0 ls0 ws0">UNIVERSIDA<span class="_0 blank"></span>DE <span class="_1 blank"> </span>FEDERA<span class="_0 blank"></span>L DO RIO<span class="_1 blank"></span> <span class="_2 blank"></span>GRA<span class="_0 blank"></span>NDE <span class="_1 blank"> </span>DO NORTE<span class="_1 blank"> </span><span class="ff2"> </span></div><div class="t m0 x2 h1 y2 ff1 fs0 fc0 sc0 ls0 ws0">ESCOLA<span class="_3 blank"></span> <span class="_1 blank"> </span>DE CIÊNCIA<span class="_0 blank"></span>S <span class="_1 blank"> </span>E TECNOLOGIA<span class="ff2"> </span></div><div class="t m0 x3 h2 y3 ff2 fs1 fc0 sc0 ls0 ws0">Discipli<span class="_2 blank"></span>na: <span class="_1 blank"> </span>Ciências e <span class="_2 blank"></span>T<span class="_4 blank"></span>ecnologia dos Materiais <span class="_1 blank"> </span> </div><div class="t m0 x4 h3 y4 ff1 fs2 fc0 sc0 ls0 ws0">REVISAO PROV<span class="_5 blank"></span>A<span class="_3 blank"></span> I<span class="_1 blank"></span> </div><div class="t m0 x5 h2 y5 ff2 fs1 fc0 sc0 ls0 ws0">Professora: Profa. Dra. <span class="_6 blank"></span>Amanda Melissa Damião Leite<span class="_1 blank"></span> </div><div class="t m0 x6 h2 y6 ff2 fs0 fc0 sc0 ls0 ws0"> <span class="_2 blank"></span> amanda.leite@<span class="_2 blank"></span>ect.ufrn.br<span class="fs1"> </span></div><div class="t m0 x7 h4 y7 ff3 fs3 fc0 sc0 ls0 ws0">2017.1 </div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div> <div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><img class="bi x0 y0 w0 h0" alt="" src="https://files.passeidireto.com/6b09d706-7b58-478e-93ba-33389c35a8f6/bg2.png"><div class="t m0 x8 h5 y8 ff4 fs4 fc1 sc0 ls0 ws0">Pr<span class="_2 blank"></span>opriedades <span class="_2 blank"></span>import<span class="_2 blank"></span>ant<span class="_0 blank"></span>e dos Ma<span class="_0 blank"></span>teriais sólidos: </div><div class="t m0 x9 h6 y9 ff5 fs0 fc0 sc0 ls0 ws0">1) dependem dos arr<span class="_0 blank"></span>anjos geométric<span class="_0 blank"></span>os d<span class="_1 blank"> </span>os <span class="_2 blank"></span>Á<span class="_0 blank"></span>tomos <span class="_1 blank"> </span> </div><div class="t m0 xa h6 ya ff5 fs0 fc0 sc0 ls0 ws0">2) dependem das i<span class="_2 blank"></span>nt<span class="_2 blank"></span>er<span class="_0 blank"></span>ação entre <span class="_2 blank"></span>eles ou moléculas c<span class="_2 blank"></span>onstitui<span class="_2 blank"></span>nt<span class="_2 blank"></span>es. </div><div class="t m0 xb h5 yb ff4 fs4 fc1 sc0 ls0 ws0">Em ma<span class="_0 blank"></span>teriais sólidos: </div><div class="t m0 xc h6 yc ff5 fs0 fc0 sc0 ls0 ws0">Os át<span class="_2 blank"></span>omos são man<span class="_2 blank"></span>tidos por lig<span class="_0 blank"></span>ações. </div><div class="t m0 xd h5 yd ff4 fs4 fc1 sc0 ls0 ws0">Lig<span class="_2 blank"></span>ações: </div><div class="t m0 xe h6 ye ff5 fs0 fc0 sc0 ls0 ws0">Pr<span class="_2 blank"></span>opiciam r<span class="_0 blank"></span>esist<span class="_2 blank"></span>ência; </div><div class="t m0 xf h6 yf ff5 fs0 fc0 sc0 ls0 ws0">Pr<span class="_2 blank"></span>opiciam pr<span class="_0 blank"></span>opriedades elétric<span class="_2 blank"></span>as e térmic<span class="_0 blank"></span>as<span class="_1 blank"> </span> aos <span class="_2 blank"></span>mat<span class="_2 blank"></span>eriais </div><div class="t m0 x8 h7 y10 ff6 fs4 fc0 sc0 ls0 ws0">En<span class="_0 blank"></span>tender as <span class="_0 blank"></span>ligações <span class="_2 blank"></span>in<span class="_2 blank"></span>terat<span class="_2 blank"></span>ômica<span class="_2 blank"></span>s <span class="_0 blank"></span>é o primeiro <span class="_2 blank"></span>passo <span class="_2 blank"></span>em direção </div><div class="t m0 x10 h7 y11 ff6 fs4 fc0 sc0 ls0 ws0">à c<span class="_0 blank"></span>ompreensão/<span class="_0 blank"></span>e<span class="_2 blank"></span>xplicaç<span class="_2 blank"></span>ão <span class="_0 blank"></span>das propriedad<span class="_0 blank"></span>es dos <span class="_0 blank"></span>materiais. </div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div> <div id="pf3" class="pf w0 h0" data-page-no="3"><div class="pc pc3 w0 h0"><img fetchpriority="low" loading="lazy" class="bi x0 y0 w0 h0" alt="" src="https://files.passeidireto.com/6b09d706-7b58-478e-93ba-33389c35a8f6/bg3.png"><div class="t m0 x11 h8 y12 ff4 fs5 fc0 sc0 ls0 ws0">LIGA<span class="_2 blank"></span>ÇÕE<span class="_0 blank"></span>S QUÍMICAS <span class="_2 blank"></span>EM MA<span class="_7 blank"></span>TERIAIS SÓLIDO<span class="_2 blank"></span>S </div><div class="t m0 x12 h9 y13 ff5 fs6 fc0 sc0 ls1 ws1">Os<span class="ls0 ws0"> <span class="_8 blank"> </span>elemen<span class="_2 blank"></span>t<span class="_2 blank"></span>os <span class="_8 blank"> </span><span class="ls2 ws2">se</span> <span class="_9 blank"> </span>lig<span class="_0 blank"></span>am <span class="_8 blank"> </span>par<span class="_2 blank"></span>a <span class="_8 blank"> </span>f<span class="_0 blank"></span>ormar <span class="_8 blank"> </span><span class="ls3 ws3">os</span> <span class="_8 blank"> </span>sólidos <span class="_8 blank"> </span>par<span class="_2 blank"></span>a <span class="_8 blank"> </span>a<span class="_2 blank"></span>tingir <span class="_8 blank"> </span>uma </span></div><div class="t m0 x12 h5 y14 ff5 fs4 fc0 sc0 ls0 ws0">configur<span class="_0 blank"></span>ação <span class="_0 blank"></span>mais est<span class="_2 blank"></span>á<span class="_0 blank"></span>vel: <span class="fc2">oito elé<span class="_2 blank"></span>tr<span class="_0 blank"></span>ons <span class="_1 blank"> </span><span class="ls4 ws4">na</span> c<span class="_2 blank"></span>amada mais e<span class="_2 blank"></span>xt<span class="_2 blank"></span>erna </span></div><div class="t m0 x12 h5 y15 ff5 fs4 fc0 sc0 ls0 ws0">A <span class="_a blank"> </span>lig<span class="_0 blank"></span>ação <span class="_a blank"> </span>químic<span class="_2 blank"></span>a <span class="_a blank"> </span>é <span class="_a blank"> </span>f<span class="_0 blank"></span>ormada <span class="_a blank"> </span>pela <span class="_a blank"> </span>int<span class="_0 blank"></span>er<span class="_2 blank"></span>ação <span class="_a blank"> </span>dos <span class="_a blank"> </span>elé<span class="_2 blank"></span>tr<span class="_0 blank"></span>o<span class="_1 blank"> </span>ns <span class="_a blank"> </span><span class="ls4 ws4">de</span> <span class="_a blank"> </span>v<span class="_0 blank"></span>alência </div><div class="t m0 x12 h5 y16 ff5 fs4 fc0 sc0 ls0 ws0">atr<span class="_0 blank"></span>a<span class="_0 blank"></span>vés <span class="ls4 ws4">de</span> <span class="ls4 ws4">um</span> dos seguin<span class="_0 blank"></span>tes mecanism<span class="_2 blank"></span>os: </div><div class="t m0 x13 h5 y17 ff4 fs4 fc0 sc0 ls0 ws0">- Ganho <span class="_2 blank"></span>de elétr<span class="_0 blank"></span>ons<span class="_1 blank"> </span> </div><div class="t m0 x13 h5 y18 ff4 fs4 fc0 sc0 ls0 ws0">- P<span class="_0 blank"></span>erda de elé<span class="_2 blank"></span>tr<span class="_2 blank"></span>ons </div><div class="t m0 x13 h5 y19 ff4 fs4 fc0 sc0 ls0 ws5">-<span class="ls5 ws0"> <span class="ls0">Compartilhament<span class="_0 blank"></span>o de el<span class="_2 blank"></span>étr<span class="_2 blank"></span>ons </span></span></div><div class="t m1 x14 h5 y1a ff4 fs4 fc1 sc0 ls0 ws0">Tipos de Lig<span class="_0 blank"></span>ações </div><div class="t m0 x15 h6 y1b ff4 fs0 fc0 sc0 ls0 ws0">Metálic<span class="_2 blank"></span>a </div><div class="t m0 x16 h6 y1c ff4 fs0 fc0 sc0 ls0 ws0">Covalen<span class="_2 blank"></span>te </div><div class="t m0 xe h6 y1d ff4 fs0 fc0 sc0 ls0 ws0">Iônica </div><div class="t m0 x17 h6 y1e ff4 fs0 fc0 sc0 ls0 ws0">V<span class="_b blank"></span>ander W<span class="_b blank"></span>aals </div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div> <div id="pf4" class="pf w0 h0" data-page-no="4"><div class="pc pc4 w0 h0"><img fetchpriority="low" loading="lazy" class="bi x0 y0 w0 h0" alt="" src="https://files.passeidireto.com/6b09d706-7b58-478e-93ba-33389c35a8f6/bg4.png"><div class="t m0 x18 h8 y12 ff4 fs5 fc0 sc0 ls0 ws0">ENERGI<span class="_2 blank"></span>A <span class="_2 blank"></span>DE LIGA<span class="_0 blank"></span>ÇÃO </div><div class="t m0 x19 ha y1f ff7 fs0 fc3 sc0 ls0 ws0">Força de <span class="fs7"> </span></div><div class="t m0 x1a h2 y20 ff7 fs0 fc3 sc0 ls0 ws6">ligação<span class="fs1 ws0"> </span></div><div class="t m0 x1b ha y21 ff7 fs0 fc3 sc0 ls0 ws0">Ener<span class="_2 blank"></span>gia <span class="fs7"> </span></div><div class="t m0 x1c hb y22 ff7 fs3 fc3 sc0 ls0 ws0">de ligação<span class="fs5"> </span></div><div class="t m0 xb hc y23 ff2 fs0 fc0 sc0 ls0 ws0">Algumas <span class="_c blank"> </span>vezes <span class="_d blank"> </span>é <span class="_c blank"> </span>mais <span class="_d blank"> </span>conveniente </div><div class="t m0 xb hc y24 ff2 fs0 fc0 sc0 ls0 ws0">trabalhar <span class="_e blank"> </span>com <span class="_e blank"> </span>energia <span class="_e blank"> </span>(potencial) <span class="_e blank"> </span><span class="ls7 ws7">do</span> <span class="_e blank"> </span>que </div><div class="t m0 xb hc y25 ff2 fs0 fc0 sc0 ls0 ws0">forças <span class="ls7 ws7">de</span> ligaçõe<span class="_2 blank"></span>s. </div><div class="t m0 xb hc y26 ff2 fs0 fc0 sc0 ls0 ws0">Matematicamente, <span class="_f blank"> </span>energia <span class="_f blank"> </span>(E) <span class="_f blank"> </span>e <span class="_f blank"> </span>força <span class="_f blank"> </span><span class="ls7 ws7">de</span> </div><div class="t m0 xb hc y27 ff2 fs0 fc0 sc0 ls0 ws0">ligações <span class="_f blank"> </span>(F) <span class="_f blank"> </span>estão <span class="_f blank"> </span>relacionadas <span class="_f blank"> </span><span class="ls7 ws7">por</span><span class="ls6"> :<span class="_10 blank"></span> <span class="ls8 ws8">E=<span class="ff8 ls0 ws9">\uf0f2</span></span><span class="ls0"> </span></span></div><div class="t m0 xb hc y28 ff2 fs0 fc0 sc0 ls0 wsa">F<span class="_5 blank"></span>.<span class="_1 blank"> </span><span class="ls7 ws7">dr</span><span class="ws0"> </span></div><div class="t m0 x1d h1 y29 ff1 fs0 fc0 sc0 ls0 ws0">A<span class="_3 blank"></span> <span class="_1 blank"> </span>menor energia é o ponto de equilíbrio </div><div class="t m0 xb hd y2a ff9 fs0 fc2 sc0 ls0 ws0">Quanto mais profundo o poço de potenc<span class="_2 blank"></span>ial maior </div><div class="t m0 x1e hd y2b ff9 fs0 fc2 sc0 ls0 ws0">a temperatura<span class="_2 blank"></span> <span class="_1 blank"> </span>de fusão<span class="_2 blank"></span> do material </div><div class="t m0 x1f hd y2c ff9 fs0 fc2 sc0 ls0 ws0">Devido as forcas de repulsão aumentarem <span class="_1 blank"> </span>muito </div><div class="t m0 x20 hd y2d ff9 fs0 fc2 sc0 ls0 ws0">mais com a aproximação <span class="_1 blank"> </span>dos<span class="_2 blank"></span> átomos a curva </div><div class="t m0 x21 hd y2e ff9 fs0 fc2 sc0 ls0 ws0">não é simé<span class="_2 blank"></span>trica. <span class="_1 blank"> </span>Por isso, a maioria <span class="_1 blank"> </span>dos </div><div class="t m0 x21 hd y2f ff9 fs0 fc2 sc0 ls0 ws0">materiais<span class="_2 blank"></span> <span class="_1 blank"> </span>tendem a se expandir quando </div><div class="t m0 x22 hd y30 ff9 fs0 fc2 sc0 ls0 ws0">aquecidos<span class="_2 blank"></span> </div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div> <div id="pf5" class="pf w0 h0" data-page-no="5"><div class="pc pc5 w0 h0"><img fetchpriority="low" loading="lazy" class="bi x0 y0 w0 h0" alt="" src="https://files.passeidireto.com/6b09d706-7b58-478e-93ba-33389c35a8f6/bg5.png"><div class="t m0 x18 h8 y12 ff4 fs5 fc0 sc0 ls0 ws0">ENERGI<span class="_2 blank"></span>A <span class="_2 blank"></span>DE LIGA<span class="_0 blank"></span>ÇÃO </div><div class="t m0 x23 he y31 ff2 fs4 fc0 sc0 ls0 ws0">Quando energia é fornecida a <span class="ls9 wsb">um</span> material, a vibraçã<span class="_2 blank"></span>o </div><div class="t m0 x23 hf y32 ff2 fs6 fc0 sc0 ls0 ws0">térmica <span class="_11 blank"> </span>faz <span class="_11 blank"> </span>com <span class="_11 blank"> </span>que <span class="_11 blank"> </span><span class="lsa wsc">os</span> <span class="_8 blank"> </span>átomos <span class="_11 blank"> </span>osc<span class="_2 blank"></span>ilem <span class="_11 blank"> </span>próximos <span class="_11 blank"> </span><span class="lsb wsd">ao</span> </div><div class="t m0 x23 he y33 ff2 fs4 fc0 sc0 ls0 ws0">estado <span class="ls9 wsb">de</span> <span class="_0 blank"></span>equilíbrio<span class="_1 blank"> </span>.<span class="ff5"> </span></div><div class="t m0 x24 he y34 ff2 fs4 fc0 sc0 ls0 ws0">Devido <span class="_a blank"> </span>a <span class="_a blank"> </span>ass<span class="_2 blank"></span>imetria <span class="_a blank"> </span><span class="ls9 wsb">da</span> <span class="_a blank"> </span>curva <span class="_12 blank"> </span><span class="ls9 wsb">de</span> <span class="_12 blank"> </span>ener<span class="_1 blank"> </span>gia <span class="_12 blank"> </span><span class="ls9 wsb">de</span> <span class="_a blank"> </span>ligação <span class="_12 blank"> </span>x </div><div class="t m0 x24 he y35 ff2 fs4 fc0 sc0 ls0 ws0">distância <span class="_13 blank"> </span>interatômica, <span class="_13 blank"> </span>a <span class="_13 blank"> </span>distânci<span class="_2 blank"></span>a <span class="_13 blank"> </span>média <span class="_13 blank"> </span>entre <span class="_13 blank"> </span><span class="ls9 wsb">os</span> </div><div class="t m0 x24 he y36 ff2 fs4 fc0 sc0 ls0 ws0">átomos aumenta <span class="_0 blank"></span>co<span class="_1 blank"> </span>m <span class="_2 blank"></span>o aumento <span class="ls9 wsb">da</span> temperatura.<span class="ff5"> </span></div><div class="t m0 x23 he y37 ff2 fs4 fc0 sc0 ls0 ws0">Então, <span class="_14 blank"> </span>quanto <span class="_14 blank"> </span>mais <span class="_14 blank"> </span>estreito <span class="_14 blank"> </span>e <span class="_14 blank"> </span>mais<span class="_1 blank"> </span> <span class="_14 blank"> </span>prof<span class="_2 blank"></span>undo <span class="_14 blank"> </span>o <span class="_15 blank"> </span>mínimo <span class="_14 blank"> </span><span class="ls9 wsb">de</span> </div><div class="t m0 x23 he y38 ff2 fs4 fc0 sc0 ls0 ws0">potencial <span class="_a blank"> </span>menor <span class="_a blank"> </span>é <span class="_f blank"> </span>o <span class="_a blank"> </span>coeficiente <span class="_a blank"> </span><span class="ls9 wsb">de</span> <span class="_a blank"> </span>expansão <span class="_a blank"> </span>térmica <span class="_f blank"> </span><span class="ls9 wsb">do</span> </div><div class="t m0 x23 he y39 ff2 fs4 fc0 sc0 ls0 wse">material<span class="ff5 ws0"> </span></div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div> <div id="pf6" class="pf w0 h0" data-page-no="6"><div class="pc pc6 w0 h0"><img fetchpriority="low" loading="lazy" class="bi x0 y0 w0 h0" alt="" src="https://files.passeidireto.com/6b09d706-7b58-478e-93ba-33389c35a8f6/bg6.png"><div class="t m0 x25 h10 y3a ff1 fs1 fc1 sc0 ls0 ws0">T<span class="_0 blank"></span>ipos de materiais x es<span class="_2 blank"></span>truturas </div><div class="t m0 x26 h11 y3b ffa fs8 fc2 sc0 ls0 wsf">Metais<span class="ffb fc0 ws0"> <span class="ff8 lsc">\uf0de</span> estrutur<span class="_0 blank"></span>as </span></div><div class="t m0 x2 h12 y3c ffb fs9 fc0 sc0 ls0 ws0">relativ<span class="_2 blank"></span>amente <span class="_0 blank"></span>simples.<span class="ff5"> </span></div><div class="t m0 x27 h11 y3d ffa fs8 fc2 sc0 ls0 wsf">Cerâmicos<span class="ffb fc0 ws0"> <span class="ff8 lsc">\uf0de</span> estrutur<span class="_2 blank"></span>as </span></div><div class="t m0 x18 h13 y3e ffb fs8 fc0 sc0 ls0 ws10">complexas.<span class="ff5 ws0"> </span></div><div class="t m0 x13 h14 y3f ffa fs4 fc2 sc0 ls0 ws11">Polímeros<span class="ffb fc0 ws0"> <span class="_2 blank"></span><span class="ff8 lsd">\uf0de<span class="ffb ls0"> estrutur<span class="_0 blank"></span>as </span></span></span></div><div class="t m0 x28 h15 y40 ffb fs4 fc0 sc0 ls0 ws0">muito com<span class="_2 blank"></span>plexas.<span class="ff5"> </span></div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div> <div id="pf7" class="pf w0 h0" data-page-no="7"><div class="pc pc7 w0 h0"><img fetchpriority="low" loading="lazy" class="bi x0 y0 w0 h0" alt="" src="https://files.passeidireto.com/6b09d706-7b58-478e-93ba-33389c35a8f6/bg7.png"><div class="t m0 x29 h16 y41 ff1 fsa fc0 sc0 ls0 ws0">CÉLULA<span class="_b blank"></span> <span class="_0 blank"></span>UNITÁRIA </div><div class="t m0 x2a h17 y42 ff1 fs4 fc0 sc0 ls0 ws0">(unidade <span class="_2 blank"></span>básica repetitiv<span class="_0 blank"></span>a da estrutura <span class="_0 blank"></span>tridimensional) </div><div class="t m0 xf he y43 ff2 fs4 fc0 sc0 ls0 ws0">Consiste num pequeno <span class="_16 blank"> </span>grupos <span class="ls9 wsb">de</span> át<span class="_0 blank"></span>omos <span class="ls9 wsb">que</span> fo<span class="_2 blank"></span>rmam <span class="lse ws12">um</span> m<span class="_2 blank"></span>odelo </div><div class="t m0 xf he y44 ff2 fs4 fc0 sc0 ls0 ws0">repetitivo <span class="_a blank"> </span><span class="ls9 wsb">ao</span> <span class="_f blank"> </span>longo <span class="_a blank"> </span><span class="ls9 wsb">da</span> <span class="_f blank"> </span>est<span class="_2 blank"></span>rutura <span class="_a blank"> </span>tridimensional <span class="_f blank"> </span>(analogia <span class="_a blank"> </span>com <span class="_f blank"> </span>elos <span class="_a blank"> </span><span class="lse ws12">da<span class="_1 blank"> </span></span> </div><div class="t m0 xf he y45 ff2 fs4 fc0 sc0 ls0 ws0">corrente) </div><div class="t m0 x2b h1 y46 ff1 fs0 fc2 sc0 ls0 ws0">A<span class="_3 blank"></span> <span class="_1 blank"> </span>célula unitária é e<span class="_2 blank"></span>scolhida para representar a </div><div class="t m0 x2c h1 y47 ff1 fs0 fc2 sc0 ls0 ws0">simetria da es<span class="_2 blank"></span>trutura cristalina </div><div class="t m0 x2d h1 y48 ff1 fs0 fc3 sc0 ls0 ws0">Célula Unitária </div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div> <div id="pf8" class="pf w0 h0" data-page-no="8"><div class="pc pc8 w0 h0"><img fetchpriority="low" loading="lazy" class="bi x0 y0 w0 h0" alt="" src="https://files.passeidireto.com/6b09d706-7b58-478e-93ba-33389c35a8f6/bg8.png"><div class="t m0 x17 h18 y49 ff1 fsb fc0 sc0 ls0 ws0">Fator <span class="lsf">de <span class="_2 blank"></span><span class="ls0">Empacotamento<span class="_1 blank"></span> <span class="_6 blank"></span>Atômico </span></span></div><div class="t m0 x2e he y4a ff2 fs4 fc0 sc0 ls0 ws0">Como <span class="_15 blank"> </span>forma <span class="_14 blank"> </span><span class="ls9 wsb">de</span> <span class="_17 blank"> </span>classificar <span class="_15 blank"> </span>o <span class="_15 blank"> </span>nível <span class="_15 blank"> </span><span class="ls9 wsb">de</span> <span class="_15 blank"> </span>ocupação <span class="_15 blank"> </span>por <span class="_15 blank"> </span>átomos <span class="_15 blank"> </span><span class="ls9 wsb">em</span> <span class="_15 blank"> </span>uma </div><div class="t m0 x2e he y4b ff2 fs4 fc0 sc0 ls0 ws0">estrut<span class="_2 blank"></span>ura cristalina, <span class="_16 blank"> </span>define-<span class="ls11 ws13">se</span> o fator <span class="_16 blank"> </span><span class="ls9 wsb">de</span> empacotament<span class="_0 blank"></span>o<span class="ls12"> <span class="_1 blank"></span></span>atôm<span class="_2 blank"></span>ico </div><div class="t m0 x2e he y4c ff2 fs4 fc0 sc0 ls13 ws14">(F<span class="_5 blank"></span><span class="ls0 ws0">.E.A), <span class="_0 blank"></span><span class="ls9 wsb">que<span class="ls0 ws0"> é </span>dado<span class="ls0 ws0"> <span class="_0 blank"></span><span class="ls9 wsb">por<span class="ls0 ws0">: </span></span></span></span></span></div><div class="t m0 x2f hc y4d ff2 fs0 fc0 sc0 ls0 ws0">O <span class="_18 blank"> </span>FEA<span class="_3 blank"></span> <span class="_18 blank"> </span><span class="ls7 ws7">dá</span> <span class="_18 blank"> </span>uma <span class="_18 blank"> </span>ideia <span class="_19 blank"> </span><span class="ls7 ws7">do</span> <span class="_19 blank"> </span>valor<span class="_1 blank"> </span> <span class="_19 blank"> </span>(em <span class="_19 blank"> </span>%) <span class="_18 blank"> </span><span class="ls7 ws7">do</span> <span class="_18 blank"> </span>volume <span class="_19 blank"> </span>ocupado <span class="_18 blank"> </span>pelos <span class="_19 blank"> </span>átomos/í<span class="_1 blank"> </span>on<span class="_2 blank"></span>s <span class="_18 blank"> </span><span class="ls7 ws7">na</span> </div><div class="t m0 x2f h19 y4e ff2 fs3 fc0 sc0 ls0 ws0">célula<span class="_2 blank"></span> cristalina<span class="_2 blank"></span>, <span class="ls14 ws15">ou</span><span class="ls10"> <span class="ls14 ws15">do</span></span> <span class="_1 blank"> </span>vo<span class="_2 blank"></span>lume <span class="ls14 ws15">de</span> espaço vazio<span class="_2 blank"></span> <span class="ls14 ws15">na</span> mesma </div><div class="t m0 x2f hc y4f ff2 fs0 fc0 sc0 ls0 ws0">FEA<span class="_b blank"></span> <span class="ls7 ws7">pode</span> ser calculad<span class="_2 blank"></span>o para <span class="_1 blank"> </span>metais<span class="_2 blank"></span> e cerâmicas. </div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div> <div id="pf9" class="pf w0 h0" data-page-no="9"><div class="pc pc9 w0 h0"><img fetchpriority="low" loading="lazy" class="bi x0 y0 w0 h0" alt="" src="https://files.passeidireto.com/6b09d706-7b58-478e-93ba-33389c35a8f6/bg9.png"><div class="t m0 x30 h1a y50 ff1 fs7 fc0 sc0 ls0 ws0">2 TIPOS DE ESTRUTURAS <span class="_1 blank"></span>CRIST<span class="_7 blank"></span>ALINAS <span class="_1 blank"> </span>SERÃO </div><div class="t m0 x31 h1a y51 ff1 fs7 fc0 sc0 ls0 ws0">ESTUDADAS </div><div class="t m1 x32 h2 y52 ff2 fs1 fc1 sc0 ls0 ws0">Sistema Cúbico<span class="_2 blank"></span> </div><div class="t m0 x33 ha y53 ff2 fs7 fc1 sc0 ls0 ws0">Cúbica simples - <span class="ls15 ws16">CS</span> </div><div class="t m0 x34 ha y54 ff2 fs7 fc1 sc0 ls0 ws0">Cúbica de corpo centrad<span class="_1 blank"></span>o - <span class="ls15 ws16">CCC</span> </div><div class="t m0 x35 ha y55 ff2 fs7 fc1 sc0 ls0 ws0">Cúbica de face centrada <span class="_1 blank"> </span>- CFC </div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div> <div id="pfa" class="pf w0 h0" data-page-no="a"><div class="pc pca w0 h0"><img fetchpriority="low" loading="lazy" class="bi x0 y0 w0 h0" alt="" src="https://files.passeidireto.com/6b09d706-7b58-478e-93ba-33389c35a8f6/bga.png"><div class="t m0 x30 h1a y50 ff1 fs7 fc0 sc0 ls0 ws0">2 TIPOS DE ESTRUTURAS <span class="_1 blank"></span>CRIST<span class="_7 blank"></span>ALINAS <span class="_1 blank"> </span>SERÃO </div><div class="t m0 x31 h1a y51 ff1 fs7 fc0 sc0 ls0 ws0">ESTUDADAS </div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div>
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