Thermal Composites FINAL

8/9/2019 Thermal Composites FINAL

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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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>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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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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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

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Thermal Composites FINAL