Ceramics PPT CEM

8/18/2019 Ceramics PPT CEM

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MATERIALS

TOPIC:

ADVANCED

CERAMIC MATERIALSPRESENTED BY

Shubham Khanve (U12CH041) Shub(U12CH042)Rahul Parmar (U12CH04)

S!na"ad#a(U12CH04$)


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CER%&'CS

• A eram# is an inorganic, nonmetaic soi! "re"araction o& %eat an! s'#se('ent cooing)

• T%e *or! +ceramic+ comes &rom t%e Gree *or! -./5keramikos6, +o& "otter$+ or +&or "otter$+, &rom -7/05keramos6, +"otter9s ca$, tie, "otter$+)


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CER%&'CS S &ET%*S&ET%*S CER%&'CS

Cr+,-al S-ru-ure Cr+,-al S-ru-ure

*ar.e number !/ /ree ele-r!n, Ca-#ve ele-r!n,

&e-all# B!nd '!n#C!valen- b!nd

!!d ele-r#al !ndu-#v#-+ P!!r !ndu-#v#-+

3aue Tran,aren-(#n -h#n ,e-#!n,)

Un#/!rm a-!m, D#5eren- ,#6e a-!m,

H#.h -en,#le ,-ren.-h P!!r -en,#le ,-ren.-h7

*!" ,hear ,-ren.-h H#.h ,hear ,-ren.-h

!!d du-#l#-+ Br#--le

Pla,-# 8!" N!ne

'ma- ,-ren.-h P!!r #ma- ,-ren.-h

Rela-#ve h#.h "e#.h- *!"er "e#.h-

&!dera-e hardne,, E9-reme hardne,,

H#.h den,#-+ 'n#-#al l!" den,#-+


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HAT ARE ADVANCED CERAMATERIALS;

•


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ADVANCED CERAMIC MATERI


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INDSTRIAL CERAMICS• T%o'san!s o& engineering gears %a=e 'se! &

ceramics so'tions &or *ear resistance, corrosiont%erma resistance, "ro=i!ing signi@cant i&etime con=entiona meta gears) It is not a*a$s t%e #est so'tion, common$ a!=ance! ceramics can #e #ens'#stit'tes &or a=aia#e !esigns)

• D$namicCeramic can "ro=i!e no* %'n!re!s o& ca

t%e s'ccess&' an! cost eecti=e a""ication o& a!=aso'tions in mec%anica engineering a""ications)

• At%o'g% ceramics %a=e #een 'se! #$ man &or m'nti recent$ t%eir a""ications %a=e #een immec%anica "ro"erties) nie metas, most ceraminot e%i#it a noninear "astic region #e&ore &

ceramics are no*n to #e #ritte an! &ai catastro"%i


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INDSTRIAL CERAMICS• Ceramic "ro!'cts resist to %ig% tem"erat'res, gases

aci!s #ase! on t%eir minera com"onent, Pro"erties

"ro!'cts are not i!entica t%e$ =ar$ &rom eac% ot%enorma$ #a! con!'ctor o& eectricit$F in certain caset%e$ t'rn into s'"er con!'ctor)

• Common ceramics are ma!e &rom mineras s'c% as

ca$, an! siica, T%ese mineras no*n as siicmaorit$ o& t%e eart%9s cr'st) In t%e a#orator$ C%ema!=ance! ceramics ie a'mina, siicon car#i!etitanate &rom mi ec'!ing siicates)


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Common ceramics 'se! in in!'stries

1: %lum#na (%#2!)


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Molecular Structure of

Alumina


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>) SiiconCar#i!e 5sic6

Young's Modulus 390.2 410 GPa

• Its "%$sica %ar!ness maes it i!ea to #e 'se! in amac%ining "rocesses ie grin!ing, %oning, san! #*ater et c'tting)

• T%e a#iit$ o& Siicon Car#i!e to *it%stan! =er$ %ig

tem"erat'res *it%o't #reaing or !istorting is 'seman'&act're o& ceramic #rae !iscs &or s"orts cars'se! in #'et"roo& =ests as an armor materia)

Hardness 23800 26250 MPa

Compressie

!"reng"#304$.4 3359.9 MPa

http://www.azom.com/ads/abmc.aspx?b=8943http://www.azom.com/ads/abmc.aspx?b=8943


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Molecular Structure of SiC


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3.Barium Titanate( BaTiO3 )

Proper"% &alue

ensi"% ( g.)m*3 + 6.02

Mel"ing Poin" (,C+ 1650

Young-s Modulus (GPa+ 6$

Hardness (Mo#s+ 5

• As a semicon!'ctor it e%i#its "ositi=e tem"eecient o& resisti=it$ 5PTCR6 "ro"erties in t%e "&orm) T%is means at a certain tem"erat're, catem"erat're, t%e materia *i e%i#it an resisti=it$)

•

Jari'm titanate aso e%i#its &erroeectric "ro"an eceent "%oto re&racti=e materia)


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Molecular Structure Of BariumTitanate( BaTiO3 )


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• Ceramic materias t%at contain a'mina an! siiare etreme$ rigi! an! are 'se! to san! =ario's smetas, "ois%, an! grin!) Ceramics t%at consisKirconi'm oi!e, magnesi'm oi!e, siicon car#i!eare 'se! in maing re&ractories) Engineers

researc% !e=eo"ing t%e =ario's 'ses o& ceramics)


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'NDUSTR'%* CER%&'CSs'a$, Ceramic "ro!'cts are !i=i!e! into

•Str'ct'ra, "i"es, inc'!ing #rics, roo& ties B oor

•Re&ractor$, s'c% as in inings, gas @re ra!iant, smaing cr'ci#es

•%ite *ares, sanitar$ *are, inc'!ing ta#e*are, "oan! *a ties

• Tec%nica, is aso no*n as Engineering, A!=ance!


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• 'ndu,-r#al eram# Pr!du-,

• Engineere! Ceramics

• MetaiKe! Ceramics

• ear Resistant iner

• Jaistic Protection

• Line! e('i"ment

• Grin!ing Me!ia

• 'ndu,-r#al eram#, 'ndu,-r+

• Ceramic Ties

• Cement• Po*er Generation

• Stee In!'str$

•


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OTHER APPLICATIONS

ATOMOTIVE INDSTR

AEROSPACE INDSTR

CTTING TOOLS


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PROPERTIES O< QOLD SeC' CERA

MATERIAL

“Liquid-like” thermo-electrics: The blue spheres represen

atoms forming a crystal lattice. The orange regions in b

represent the copper atoms that flow through the crystal str

liquid. This liquid-like behavior is what gives the seleniu

material its unique thermo-electric properties.


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USES OF ADVANCED CERAM

IN MEDI

SIDE


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• T%e$ are 'se! in 'se! in s'rgica im"ants, "r=ario's me!ica toos an! !e=ices, me!ica ceramicsMan'&act'rers &a#ricate n'mero's ceramic me!ic&rom t%e oi!es alum#na and 6#r!n#a:

• Some me!ica !e=ices, s"eci@ca$, ceramicsoarti@cia oint s$stems, re('ire! =ario's mo!i@cation#ecame s'c% a *i!e$ "ractice!an!


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• Prost%eses•

S'rgica Instr'ments• Diagnostic E('i"ment• Cons'ma#es• Instr'mentation• Joo! Se"aration• Ra$ E('i"ment• Eectronic Im"ants•

Eectro"%oresis• Joo!


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VIDEO


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;'RC3N'% CER%&'CSUirconia ceramic is c%aracteriKe! as an etreme$ %ig% strengtis genera$ stronger t%an a'mina) Jeca'se o& s'c% resiiencea""ie! to !e=ices t%at t$"ica$ generate s'cient *ear, s'cball, in %i" re"acements) %ie t%is materia is no*n &or its reg'ar$ com#ine! *it% t%e meta $ttri'm to "re=ent t%e #rea"ro!'ct)Singe cr$stas o& t%e c'#ic "%ase o&Kirconia are common$ 'se!as !iamon! sim'ant in e*eer$) Lie!iamon!, c'#ic

Kirconia %as a c'#ic cr$sta str'ct'rean! a %ig% in!e o& re&raction) Vis'a$!iscerning a goo! ('ait$ c'#icKirconia gem &rom a !iamon! is!ic't, an! most e*eers *i %a=e at%erma con!'cti=it$ tester to i!enti&$c'#ic Kirconia #$ its o* t%erma

con!'cti=it$ 5!iamon! is a =er$ goo!


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A'mina is genera$ com"ose! o& an a'min'm

com"o'n! an! is em"o$e! in me!ica ceramic#eca'se it is t$"ica$ *e toerate! #$ #o!$ tisss'ita#e as a s'rgica im"ant #eca'se it is a =er$ tomateria, an! !oes not *ear easi$) A'mina com"ose! o& min'sc'e tig%t$ "ace! cr$stas) T%res'ts in a ceramic "ro!'ct t%at is &ract're resis

cr'cia to sa&et$ as *e as t%e maim'm *ear o&oers eceent eectrica ins'ation)Since ear$ se=enties more t%an >) miion &emonear$ W??,??? iners %a=e #een im"ante! *or!*im"ortant$ a'minaona'mina im"ants %a=e #eAn! Dr'g A!ministration6 monitore! an! o=er X%a=e #een s'ccess&' im emente! since WYZ[)

%*U&'N% CER%&'CS


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PRESENTSCEN%R'3

T%e go#a !eman! on me!ica ceramics ancom"onents *as a#o't US b#ll#!n in &orecast to %a=e an ann'a gro*t% o& \]

&oo*ing $ears, an! t%e *or! maret =a'e *to S_W)X #iion #$ >?W an! reac% US?WZ)


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One "ro"ose! 'se &or #ioceramics is t%e treatment o& cancer) Ocommon a""roac%es in cancer treatment is t%e remo=a o& t%e

%o*e=er 'n&ort'nate$ reco=er$ or ret'rn o& &' &'nction is seNonin=asi=e treatment tec%ni('es *%ere on$ t%e cancer ces*ere intro!'ce! in mi! Z?sT*o met%o!s o& treatment %a=e #treatment t%ro'g% %$"ert%ermia, an! ra!iot%era"$)

H+er-herm#a treatment in=o=es im"anting a #ioceramiccontains a &errite or ot%er magnetic materia) T%e area is t%aternating magnetic @e!, *%ic% ca'ses t%e im"ant an! s'rro

%eat '") Rad#!-hera+ in t%is #ioceramic materias can #e !o"e! *materias an! im"ante! into t%e cancero's area)

?u-ure -rend,


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CER%&'C SENS3RS

FLOW RATE MEASUREMENT

In 'trasonic o* rate meas'rement a !istinction#et*een t*o !ierent meas'ring "rinci"es: the Dopand the analysis of the traelin! "ae time)

In #ot% cases a pie#o$ceramic transducer "ositione! o*a generates 'trasonic *a=es, *%ic% are t%en trans

t%e i('i! !iagona$ to t%e !irection o& o*) T%e=a'ates t%e &re('enc$ s%i&t o& t%e 'trasonic *a=es,reecte! #$ stra$ "artices in t%e i('i!)

T%e greater t%e o* s"ee! o& t%e i('i!, t%e g&re('enc$ s%i&t #et*een t%e ra!iate! an! t%e ree&ront) On$ one "ieKo trans!'cer sen!ing an! re

!ierent times is nee!e! &or t%is meas'ring met%o!)


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• T%e tra=eing *a=e time "rinci"e a*a$s em"oceramic trans!'cers "ositione! oset to t%e !ire

T%e$ sen! or recei=e aternate$ "'ses%a"e! '"acages against t%e !irection o& o* an! in t%e !ir

• In eac% case t%ere is a s'"erim"osition o& so'ns"ee! an! o* s"ee!) T%e o* s"ee! is t%en "ro"reci"roca =a'e o& t%e "ro"agation time !ieo""osite to t%e !irection o& o*) T%e a!=antage o& tmet%o! is t%at t%e meas'rement is in!e"en!ent "ro"agation s"ee! an! t%ere&ore aso t%e me!i'mt%e meas'rement o& #ot% i('i!s an! gases


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LEVEL SENSORS – IMMERSE

TRANSDUCER MEASUREMEN

• Le=e sensors are t$"ica$ !i=i!e! into t*o !ierent measPro"agation time meas'rement o& a reecte! air#orne 't#$ PieKoceramic trans!'cers on t%e one %an!, an! immersmeas'rement #$ "ieKoceramic sensors on t%e ot%er) T%e&re('enc$ o& a meta t'ning &or is ecite! #$ a sma "ieKo

• T%is se&resonant &re('enc$

!e"en!s on t%e s'rro'n!ingme!i'm) I& &or eam"e t%et'ning &or is immerse! in ai('i! or a "o*!er, t%eresonant &re('enc$ o& t%es$stem *i c%ange) T%is

c%ange in &re('enc$ is

http://www.ceramtec.com/applications/piezo-applications/power-transducers/http://www.ceramtec.com/applications/piezo-applications/power-transducers/


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• T%e !isa!=antage o& t%is s$stem is t%at no anaogmeas'rement is "ossi#e) T%e sensor on$ in!icates%as ecee!e! or &aen s%ort o& a certain e=e)

• T%is !ra*#ac can #e o=ercome #$ "ositioning se=et%ese sensors at !ierent e=es in t%e tan) T%e a!t%e s$stem is t%at t%e eisting s'#stance is =er$ re

!etecte! an! t%e sensor is arge$ ins'sce"ti#e to i


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CONCLSION

Starting &rom %'m#e origins in eart%en*are an! #riceramics %a=e come a ong *a$ *%ere to!a$ t%e$ se

"oise! to =irt'a$ re=o'tioniKe t%e mo!ern i=in

Hig% tem"erat're s'"ercon!'ctors, str'ct'ra ceram

engines an! eectro$te ceramics &or storage #atteriesces to name on$ a &e* %a=e t%e a#iit$ to ca'sec%ange in t%e *or! aro'n! 's i& t%eir "romise! "ote

reaiKe!)

T%e net t*o !eca!es s%o'! see t%is %a""en) T%en *tr'$ entere! t%e +Ne* Stone Age+)


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Ceramics PPT CEM