thermal composites final
TRANSCRIPT
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Thermal Composites
Alba || Francisco || Moreno
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Outline
I. Intro on traditional Thermal CompositeApplications
II. Pyromeral Thermal composite (Comp
and Processing)
III.Its Properties and Applications
IV.Conclusion
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Thermal Composites
composites especially designed !or thermal app
used in o"ens# !urnaces# suits# aerospace and o
applications re$uiring strength and stability unde
heat or cold
most are tailored !or high temperature cases
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Materials Criteria for Exhaust Pipe S
Ease of Fabrication or Shaping' di!!ere"ehiclesengines re$uire di!!erent design
e%haust pipe systems
MotorcycleTruc T&o*+troe eng
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Materials Criteria for Exhaust Pipe S
High TemperatureResistance' Material
should not degrade at
the e%haust
temperatures(gasoline engine'
,-/*0///1C)+teel e%haust mani!old
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Materials Selection for Exhaust
Material Ease ofShaping High TempResistance DimensStabi
Polymer 2
Metals
Ceramics 2 2
Metals are con!entionally use"#(but su!!er large &eight and tedious machining proces
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Con!entional Materials for Exhaust Syst
Stainless Steels
includes Austenitic +tainless +teels (3/4# 3/) aCarbon Ferritic +tainless +teels (4/65# 40/5# 43
resistant to high temperature o%idation and high
temperature corrosion
Melting points ,04//1C 7ensity ,-./gcm3
+teels are hea"y and ha"e tedious machining
and shape*!orming processes8
$there is a nee" for composites#%
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Con!entional Materials for Exhaust Syst
Stainless Steels
Steel TypeThermal Con"ucti!ity
$&'m (%Coefficient of ThExpansion $um'
3/4 09.: 09.6
3/ 09.: 0;.3
4/65 :4.6 00.;
40/5 :4.6 6.6
43/52 :9.0 0/.4
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PyroSic an" Pyro(arb
Composite'
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PyroSic an" Pyro(arb
>ein!orcing element' +iliconcarbide or carbon !iber
meshes impregnated &ith Matri%' glass*ceramic
thermosetting inorganicpolymer? +i@:nanoparticles
&ith aluminosilicates
(ceramic*ceramic composite)
)
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PyroSic an" Pyro(arb
Processing'
0. +haping a shapeable composite material composedte%tile !ibrous rein!orcement based on silicon carbid
!ibre impregnated &ith a reaction mi%ture taing the
an a$ueous composition o! alaline aluminosilicate
:. @btaining a thermo!ormed composite element &ith
rein!orcement and &ith a matri% o! aluminosilicate o
thermosetting# at a temperature o! bet&een 9/C a
the shaped element obtained in step 0
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PyroSic an" Pyro(arb
Processing'3. =eat*treating at abo"e 9//C the thermo!ormed
composite element in order to con"ert the matri% in
by melting
4. Producing a metal carrier structure connected toheat*treated composite element obtained in step 3
heat*treated composite element being intended to
contact &ith the e%haust gases
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PyroSic Demonstration $*+++,*-++.c
Torch Flame%
http'&&&.high*temperature*composites.com"ideo*demo*high*temperature*composite*material.htm
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Properties an" /pplicationsBoal' Replace metal $steel0 Titanium0 1nconel% in E2H/3ST S4S
* 5ight6eight' 5o6er "ensity
a. more "ersatile product design
b. higher !uel e!!iciency
c. easier transport
- More energy efficient processing
(>e$uires lo&er temperature and pressure)
a. more cost e!!ecti"e processing
b. less complicated e$uipments needed
Titanium
CF>P
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Summary of Properties
Property 7alue
Density *8 to -- g'cm9
Coefficient of Thermal Expansion 9 x *+,:'(
Thermal Conducti"ity (through thicness) /.6/ &m.
Thermal Conducti"ity (in plane) /.6 &m.
Main Physical an" Thermal Properties of PyroSic Composites;
DTi E 4. gcm3
DInconel E -.: gcm3< DPyro+ic CT
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Summary of Properties
This thermal composite material can 6ithstan" temperatures up to >?+
Can effecti!ely retain @?A mechanical properties at short exposures $9
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/pplications; Exhaust Pipes
Design Consi"erati* comple% design
shapes and !orm* &ithstands e%hau
temperature (9//
* &ithstands "ery h
"ibrations
PyroSic Thermal Composite meets the "esign consi"erations mentio
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5amborghiniBs Sesto Elemento
PyroSic Thermal Composites are no6 use" in 5amborhinis Exhaust
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Estimate" Costs
US$ 1000per yard*
Pyrosic + processing
US$ 6610per 1 kg
Titanium (Metal alone)
*with0.914 m(1 yd) x0.914 m(1 yd) x0.0254 m(1 in) di
US$ 47.12per kg
http'&&&.chemicool.comelementstitanium.html
US$ 0.48pe
Steel (Metal alone witho
https'&&&.$uandl.comcmare
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Other Potential /reas of /pplication
AT@M@TIV< M7
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Thermal Composites
PyroSic Pyro(ar
5ight6eight $:?A re"uction%0 cost,effecti!e a
!ersatile replacement materials for metals
temperature applications
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1n conclusion;
Thermal composites o!!er heat*resista
materials &ith better properties !or a "o! applications
Pyro+ic and Pyroarb are !iber*rein!o
glass*ceramic composites based onthermosetting inorganic polymers They o!!er a light&eight thermal mater
cost*e!!ecti"eness and ease o! !abrica
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References $5ins%
http'&&&.thomasnet.comaboutalloys*high*temperature*006/-//.h
http'&&&.henel*adhesi"es.comaerospace&eight*reduction*ne&sosites*!or*high*temperature*applications*4;:09.htmhttp'&&&.!ibermaterialsinc.comcategorythermo*composites
http'
&&&.topgear.comuphotoslambo*sesto*e%clusi"e*:/0/*/0*00Hima
http'&&&.motorsport*de"elopments.co.utecharticlesFAF:94te
http://www.thomasnet.com/about/alloys-high-temperature-1190800.htmlhttp://www.henkel-adhesives.com/aerospace/weight-reduction-news-26832-composites-for-high-temperature-applications-47216.htmhttp://www.henkel-adhesives.com/aerospace/weight-reduction-news-26832-composites-for-high-temperature-applications-47216.htmhttp://www.fibermaterialsinc.com/category/thermo-composites/http://www.fibermaterialsinc.com/category/thermo-composites/http://www.fibermaterialsinc.com/category/thermo-composites/http://www.fibermaterialsinc.com/category/thermo-composites/http://www.fibermaterialsinc.com/category/thermo-composites/http://www.fibermaterialsinc.com/category/thermo-composites/http://www.fibermaterialsinc.com/category/thermo-composites/http://www.fibermaterialsinc.com/category/thermo-composites/http://www.fibermaterialsinc.com/category/thermo-composites/http://www.henkel-adhesives.com/aerospace/weight-reduction-news-26832-composites-for-high-temperature-applications-47216.htmhttp://www.henkel-adhesives.com/aerospace/weight-reduction-news-26832-composites-for-high-temperature-applications-47216.htmhttp://www.thomasnet.com/about/alloys-high-temperature-1190800.html