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Smart materials
1.
2.
GGrroouupp MMeemmbbeerrss HHaabbiibb
uurr RReehhmmaann ((22001122--IIMM--111177)) MM AAbbuu BBaakkaarr ((22001122--IIMM--112266)) HHaasseeeebb uurr RReehhmmaann ((22001122--IIMM--110099))
3.
SSmmaarrtt mmaatteerriiaallSS IIff
yyoouu wwaanntt ttoo bbuuIIlldd tthhee ffuuttuurree,, yyoouu nneeeedd ttoo uunnddeerrssttaanndd ssmmaarrtt mmaatteerrIIaallss
4.
CCoonntteennttss WWhhaatt aarree
ssmmaarrtt mmaatteerriiaallss?????? TTyyppeess EExxaammpplleess AApppplliiccaattiioonnss AAddvvaannttaaggeess aanndd DDiiss--aaddvvaannttaaggeess
5.
WWhhaatt aarree SSmmaarrtt
MMaatteerriiaallss??????
6.
WWhhaatt aarree SSmmaarrtt
MMaatteerriiaallss?????? SSmmaarrtt mmaatteerriiaallss hhaavvee aa ffaaiirrllyy vvaagguuee ddeeffiinniittiioonn,, wwhhiicchh ppooiinnttss ttoo aannyy mmaatteerriiaall tthhaatt eexxhhiibbiittss ssmmaarrtt bbeehhaavviioorrss.. SSmmaarrtt bbeehhaavviioorr ooccccuurrss wwhheenn aa mmaatteerriiaall ccaann sseennssee ssoommee ssttiimmuulluuss ffrroomm iittss eennvviirroonnmmeenntt aanndd rreeaacctt ttoo iitt iinn aa uusseeffuull,, rreelliiaabbllee,, rreepprroodduucciibbllee aanndd uussuuaallllyy rreevveerrssiibbllee mmaannnneerr..
7.
DDeeffiinniittiioonn SSmmaarrtt mmaatteerriiaallss
aarree ddeessiiggnneedd mmaatteerriiaallss tthhaatt hhaavvee oonnee oorr mmoorree pprrooppeerrttiieess tthhaatt ccaann bbee ssiiggnniiffiiccaannttllyy cchhaannggeedd iinn aa ccoonnttrroolllleedd ffaasshhiioonn bbyy eexxtteerrnnaall ssttiimmuullii,, ssuucchh aass ssttrreessss,, tteemmppeerraattuurree,, mmooiissttuurree,, ppHH,, eelleeccttrriicc oorr mmaaggnneettiicc ffiieellddss..
8.
SSmmaarrtt mmaatteerriiaallss
9.
A smart fluid
developed in labs aatt tthhee MMiicchhiiggaann IInnssttiittuuttee ooff TTeecchhnnoollooggyy
10.
11.
MMaajjoorr TTyyppeess
12.
MMaajjoorr TTyyppeess
PPiieezzooeelleeccttrriicc EElleeccttrroossttrriiccttiivvee MMaaggnneettoossttrriiccttiivvee SShhaappee mmeemmoorryy aallllooyyss MMaaggnneettooccaalloorriicc
13.
PPiieezzooeelleeccttrriicc WWhheenn
ssuubbjjeecctteedd ttoo aann eelleeccttrriicc cchhaarrggee oorr aa vvaarriiaattiioonn iinn vvoollttaaggee,, ppiieezzooeelleeccttrriicc mmaatteerriiaall wwiillll uunnddeerrggoo ssoommee mmeecchhaanniiccaall cchhaannggeess.. TThhee bbeesstt kknnoowwnn eexxaammppllee iiss eelleeccttrriicc cciiggaarreettttee lliigghhtteerr..
14.
EElleeccttrroossttrriiccttiivvee TThhiiss
mmaatteerriiaall hhaass tthhee ssaammee pprrooppeerrttiieess aass ppiieezzooeelleeccttrriicc mmaatteerriiaall,, bbuutt tthhee mmeecchhaanniiccaall cchhaannggee iiss pprrooppoorrttiioonnaall ttoo tthhee ssqquuaarree ooff tthhee eelleeccttrriicc ffiieelldd.. LLeeaadd MMaaggnneessiiuumm NNiioobbaattee (PPMMNN) aanndd iittss ddooppeedd ddeerriivvaattiivveess aarree ccllaassssiiccaall eelleeccttrroossttrriiccttiivvee mmaatteerriiaallss..
15.
MMaaggnneettoossttrriiccttiivvee WWhheenn
ssuubbjjeecctteedd ttoo aa mmaaggnneettiicc ffiieelldd,, tthhiiss mmaatteerriiaall wwiillll uunnddeerrggoo aann iinndduucceedd mmeecchhaanniiccaall cchhaannggee.. CCoonnsseeqquueennttllyy,, iitt ccaann bbee uusseedd aass sseennssoorrss..
16.
SShhaappee MMeemmoorryy AAllllooyyss
WWhheenn ssuubbjjeecctteedd ttoo aa tthheerrmmaall ffiieelldd,, tthhiiss mmaatteerriiaall wwiillll uunnddeerrggoo pphhaassee cchhaannggee wwhhiicchh wwiillll pprroodduuccee sshhaappee cchhaannggeess.. TThheessee aarree uusseedd iinn aaiirrccrraaffttss,, ppiippiinngg,, aauuttoommoottiivveess,, tteelleeccoommmmuunniiccaattiioonn,, rroobboottiiccss aanndd iinn mmeeddiicciinneess aass wweellll..
17.
MMaaggnneettooccaalloorriicc mmaatteerriiaallss
MMaaggnneettooccaalloorriicc mmaatteerriiaallss aarree ccoommppoouunnddss tthhaatt uunnddeerrggoo aa rreevveerrssiibbllee cchhaannggee iinn tteemmppeerraattuurree uuppoonn eexxppoossuurree ttoo aa cchhaannggiinngg mmaaggnneettiicc ffiieelldd.. TThheessee mmaatteerriiaallss hhaavvee aapppplliiccaattiioonnss iinn rreeffrriiggeerraattiioonn..
18.
EExxaammpplleess
19.
EExxaammpplleess SSmmaarrtt
CCoolloorrss 11.. TThheerrmmoo CChhrroommiicc 22.. PPhhoottoo CChhrroommiicc PPoollyymmoorrpphh SSmmaarrtt GGrreeaassee CCoonndduuccttiivvee PPoollyymmeerrss NNaannoommaatteerriiaallss
20.
EExxaammpplleess TTrreeaatteedd
PPaappeerr TThheerrmmoo ccoolloorr SShheeeett PPrreecciioouuss MMeettaall CCllaayy ((PPMMCC)) PPaappeerr ffooaamm FFoooottwweeaarr EEttcc..
21.
AApppplliiccaattiioonnss
22.
TThheerrmmoocchhrroommiissmm TThheerrmmoocchhrroommiissmm
iiss tthhee pprrooppeerrttyy ooff ssuubbssttaanncceess ttoo cchhaannggee ccoolloorr dduuee ttoo aa cchhaannggee iinn tteemmppeerraattuurree.. SSmmaarrtt mmaatteerriiaallss aarree uusseedd iinn aallll ttyyppeess ooff tthheerrmmoocchhrroommaattiicc lliiqquuiidd ccrryyssttaallss,, lleeuuccoo ddyyeess,, tthheerrmmoocchhrroommiicc ppaappeerrss,, tthheerrmmoocchhrroommiicc ppoollyymmeerrss aanndd tthheerrmmoocchhrroommiicc iinnkkss..
23.
24.
PPhhoottoocchhrroommiicc LLeennss
SSmmaarrtt mmaatteerriiaallss aarree aallssoo uusseedd iinn pphhoottoocchhrroommiicc lleennss.. PPhhoottoocchhrroommiicc lleennsseess aarree lleennsseess tthhaatt ddaarrkkeenn oonn eexxppoossuurree ttoo ssppeecciiffiicc ttyyppeess ooff lliigghhtt,, mmoosstt ccoommmmoonnllyy uullttrraavviioolleett ((UUVV)) rraaddiiaattiioonn.. OOnnccee tthhee lliigghhtt ssoouurrccee iiss rreemmoovveedd ((ffoorr eexxaammppllee bbyy wwaallkkiinngg iinnddoooorrss)),, tthhee lleennsseess wwiillll ggrraadduuaallllyy rreettuurrnn ttoo tthheeiirr cclleeaarr ssttaattee..
25.
SShhaappee--MMeemmoorryy PPoollyymmeerrss
SShhaappee--mmeemmoorryy ppoollyymmeerrss ((SSMMPPss)) aarree ppoollyymmeerriicc ssmmaarrtt mmaatteerriiaallss tthhaatt hhaavvee tthhee aabbiilliittyy ttoo rreettuurrnn ffrroomm aa ddeeffoorrmmeedd ssttaattee ((tteemmppoorraarryy sshhaappee)) ttoo tthheeiirr oorriiggiinnaall ((ppeerrmmaanneenntt)) sshhaappee iinndduucceedd bbyy aann eexxtteerrnnaall ssttiimmuulluuss ((ttrriiggggeerr)),, ssuucchh aass tteemmppeerraattuurree cchhaannggee..
26.
AAddvvaannttaaggeess aanndd DDiiss--AAddvvaannttaaggeess
27.
AAddvvaannttaaggeess ooff SSmmaarrtt
MMaatteerriiaallss HHiigghh eenneerrggyy ddeennssiittyy ((ccoommppaarreedd ttoo ppnneeuummaattiicc aanndd hhyyddrraauulliicc aaccttuuaattoorrss)) EExxcceelllleenntt bbaannddwwiiddtthh SSiimmpplliiffiieedd ppaacckkaaggiinngg NNoovveell ffuunnccttiioonnss ssuucchh aass tthhee hhuuggee vvoolluummee cchhaannggee aass aa ffuunnccttiioonn ooff tteemmppeerraattuurree eexxhhiibbiitteedd bbyy ssmmaarrtt ggeellss..
28.
DDiissaaddvvaannttaaggeess ooff SSmmaarrtt
MMaatteerriiaallss DDrrooppppiinngg ppeeooppllee oouutt ooff tthhee llaabboorr NNoott bbiiooddeeggrraaddaabbllee EEnnvviirroonnmmeennttaall ppoolllluuttiioonn EExxppeennssiivvee ttoo pprroodduuccee LLoonngg tteerrmm eeffffeeccttss uunnkknnoowwnn GGlloobbaall ccrriissiiss
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