ceramic brake
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RollNGuided by :Soora ,
PRESENTED BY
AJEESH SOMAN ,DEPT OF MECHANICALENGG.
YIT ,KANNANALLOOR
ERAMI DIS BRAKES
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CONTENTS
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Brake systemConstructional featuresComparison
Manufacturing of ceramic brakeAdvantage disadvantages ! applications
Conclusion
Reference
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3
INDRODUCTION
Brake.
Brake system are required to stop the
Vehicle within the smallestpossible distance.
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STOPPING DISTANCE OF A VEHICAL DEPENDS
4
Condition of road surface"
Condition of tyre t#read"
Coefficient of friction b$% tyre t#read ! road surface"
Coefficient of friction b$% brake disc$drum ! brake pad"
Braking force applied by t#e driver
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&'(ES )* BRAKES
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Purpose Construction Method ofactuation
Extrabrakingeffort
Service
brakes
Drum brakes echanical
brakes
Servo brakes
!arkin"brakes
Disc brakes #ydraulicbrakes
!oweroperatedbrake
$lectricbrakes
%ir brakes
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DISC BRAKE+ C),S&R-C&I),
&
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.)RKI,/
'
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C)M(ARIS), BE&.EE, A CERAMIC A,D A C),0E,&I),A1 DISCBRAKE
(
)rey cast iron disc is heavy whichreduces accelaralation* uses more +uel
and has hi"h "yroscopic e++ect
,DB "ood at wet conditions but
carbon- carbon disc +ails in wet
conditions.li"hter* reduces 2k"* apart we can save
the +uel* better milea"e. /mprove the
shock absorber and unsprun" masses.
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MA,-*AC&-RE )* CERAMIC DISC BRAKE
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In earlier days disc brakes %ere made from conventional brittle ceramic material"
DIAM1ER C2R'S1ER made carbon fibre reinforce brake disc toavoid t#e brittle property" *irst t#ey used long carbon fibres t#e s#ort %#ic# increased t#e efficiency"
s#ort carbon fibres 3 carbon po%der 3 resin mi45at6777 c sint
ering8 9 stable carbon frame %ork"After cooling ground like %ood brake disc obtains its s#ape"Resins : t#ermo plastics resins and t#ermo setting resins "
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C)A&I,/ )* CERAMIC ), C),0E,&I),A1 BRAKE DISCS
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*RE,) 1td+used metal matri4 composite for disc alloy of aluminum for lig#tness and silicon carbides for strengt#"
e ceramic additive made t#e disc #ig#ly abrasive and gave a lo% unstable coeff of friction"
S-1;ER ME&C) 1td+ special ceramic coating developed t#ermalspray tec#nology 3 manufacturing plasma surface"Ceramic p#asing re
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()RSC2E CERAMIC DISC BRAKES 5(CCB8
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!orsche has developed new hi"h per+ormance disc brakes* !,,B. ,DB
with the involute coolin" ducts +or an e++icient coolin"
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(CCB ensures ma4imum decelerati
on from %it#out any particular pressure on t#e brake pedal"
,e% braking linings cannot absorb%ater" Cross drilled brake discs #elp to optimi=e response of t#e brak
es also in %et %eat#er"e process involves of carbon po
%der resins and carbon fibres in afurnace to about 6>77 c is a #ig# vacuum process
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AD0A,&A/ES
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?7@ lig#ter t#an metal disc brakes reduces 7kg of car" Int#e case of train disc brakes saving amount to tons
2ig# frictional values in deceleration process (orsc#e+ 677 to 7 km in sec"
Dae%oos ,e4ia+ 677 to 7 km in sec"Still runs after 77777 km need not c#ange CDB",o %ear maintenance free and #eat and rust resistant ev
en under #ig# o4ygen concn"
2eavy commercial can be braked safely over long distance %it#out maintenance"
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DISAD0A,&A/ES
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2ig# initial cost and #ig# cost of production"As t#e advantages listed above %e can #ope CDB %ill %o
rk out to be c#eaper in t#e future"
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A((1ICA&I),S
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*)RM-1A6+ in mid F7s *renc# sports car specialist 0enturi"(orsc#e F66 turbo+ %it# a top speed of 7? km$# and accelerati
on from rest to 677 km$# in "s" Its engine " 1 %it# 7 #p ma4 tor
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C),C1-SI),
1&
CDB due to its advantages over the conventional brake disc are going to be the brake disc for cars in the future. With the success of Porsche turbo car, many other racing cars
and commercial vehicles are going to implement CDB in cars.
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1'
RE*ERE,CES
AUTOMOTIVE MECHANICS CROUSE/ANGLINwww.porsche.com
www.diamerchr!ser.com
www.mercedes"e#$.comwww.hows%&''wor(s.com
http://www.porsche.com/http://www.diamlerchrysler.com/http://www.mercedesbenz.com/http://www.howstuffworks.com/http://www.howstuffworks.com/http://www.mercedesbenz.com/http://www.diamlerchrysler.com/http://www.porsche.com/ -
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1(
AN) *UESTION
S+++
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THANK YOU FOR Y
OUR TIME