slides chapter 1
TRANSCRIPT
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1Ceramics: Introduction
Material Science I
Ceramic Materials
F. Filser & L.J. Gauckler
ETH-Zürich, Departement Materials
HS 2007
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2Ceramics: Introduction
Material Science I
Persons in Charge of this Lecture
• Dr. F. Filser,
HCI G 529, phone 26435, [email protected]
• Prof. Dr. L.J. Gauckler
HCI G 535, phone 25646, [email protected]
• F. Krauss
HCI G 538, phone 3 68 34, [email protected]
• Dipl.-Ing. J. KüblerEMPA Dübendorf, phone 044 823 4223, [email protected]
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3Ceramics: Introduction
Material Science I
Overview & preliminary schedule (HS 2007)
Nov 26, 07 Introduction on ceramic materials, technology,
applications
Dec 03, 07 Crystal structures of ceramic materials
Dec 10, 07 Potential well of bonding and physical properties &
Examples of Structural ceramic materials
Dec 17, 07 Examples of structural ceramic materials
Dec 21, 07 term finish
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4Ceramics: Introduction
Material Science I
Overview & preliminary schedule (FS 2008)
Feb 18, 08 term starts (5 x ceramic & 9 x polymer)
Feb 19, 08 Glass
Feb 26, 08 Toughness (JK)
Mar 04, 08 Strength & Weibull statistics (JK)
Mar 11, 08 Subcritical crack growth, SPT-Diagrams (JK)
Mar 18, 08 Proof-testing, creep, thermical properties (JK)
Apr 01, 08 polymer part (Prof. D. Schlüter)
May 30, 08 term finish
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5Ceramics: Introduction
Material Science I
Documentation
http://ceramics.ethz.ch
-> education
-> courses
-> Materialwissenschaft I und II
Visit our homepage @
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6Ceramics: Introduction
Material Science I
Sources of Information - ETH Bib -NEBIS
http://www.ethbib.ethz.ch/
http://www.nebis.ch/
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7Ceramics: Introduction
Material Science I
Recommended Reading
• Askeland & Phulé: Science and Engineering of Materials,
2003
• Barsoum MW: Fundamentals of Ceramics. IoP Publishing,
2003
• diverse CEN ISO Standards (look at slides)
• Y.-M. Chiang, D. Birnie, D. Kingery, Physical Ceramics,
Principles für Ceramic Science and Engineering, Wiley,
1997.
• G. Kostorz (ed), High-Tech Ceramics: Viewpoints and
Perspectives. Academic Press, 1989. (Chapter 5, 59-101).
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8Ceramics: Introduction
Material Science I
Recommended Reading
• Munz, D., Fett, T.: Ceramics, Mechanical Properties, Failure
Behaviour, Materials Selection, Springer, 1999.
• David Richerson, Modern Ceramic Engineering, Ed. 2,
Dekker, 1992.
• Saito Shinroku, Fine Ceramics, Elsevier, 1988.
• Verband der Keramischen Industrie e.V, Brevieral Technical
Ceramics, ISBN 3-924158-77-0, Fahner Verlag, 2004. (partly
on the internet available)
• Ichinose Wataru, Introduction to Fine Ceramics, Wiley, 1987.
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9Ceramics: Introduction
Material Science I
Recommended Reading
Chapter IV: Examples of Structural Ceramic Materials
• Bevieral Technical Ceramics
• Silicon-Based Structural Ceramics (Ceramic Transactions),
Stephen C. Danforth (Editor), Brian W. Sheldon, American
Ceramic Society, 2003,
• Silicon Nitride-1, Shigeyuki Somiya (Editor), M. Mitomo
(Editor), M. Yoshimura (Editor), Kluwer Academic
Publishers, 1990
• Zirconia and Zirconia Ceramics. Second Edition, Stevens, R,
Magnesium Elektron Ltd., 1986, pp. 51, 1986
• Stabilization of the tetragonal structure in zirconia
microcrystals, RC Garvie - The Journal of Physical
Chemistry, 1978
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10Ceramics: Introduction
Material Science I
Recommended Reading
Chapter IV: Examples of Structural Ceramics Materials
• Phase relationships in the zirconia-yttria system, HGM Scott
- Journal of Materials Science, 1975 - Springer
• Thommy Ekström and Mats Nygren, SiAION Ceramics J Am
Cer Soc Volume 75 Page 259 - February 1992
• "Formation of beta -Si3N4 solid solutions in the system Si, Al,
O, N by reaction sintering--sintering of an Si3N4 , AlN, Al2 O3
mixture" Boskovic, L J; Gauckler, L J, La Ceramica
(Florence). Vol. 33, no. N-2, pp. 18-22. 1980.
• Alumina: Processing, Properties, and Applications, Dorre, E;
Hubner, H, SpringerVerlag, 1984, pp. 329, 1984 9.
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11Ceramics: Introduction
Material Science I
Sources of Information – Journals (in general )
• Journal of the American Ceramic Society
(J. Am. Ceram. Soc.)
• Bulletin of the American Ceramic Society
(Bull. Am. Ceram. Soc.)
• Journal of the European Ceramic Society
(J. Eur. Ceram. Soc.)
• Journal of Materials Science (J. Mat. Sci.)
• Journal of Materials Research (J. Mat. Res.)
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12Ceramics: Introduction
Material Science I
Introduction on ceramic materials,
technology, applications
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13Ceramics: Introduction
Material Science I
Nitrides
Ferrites
Titanates
Oxide ceramics
Silicon Carbide
Steatites
Earthenware (Steingut**)
Fire-proof pottery
Porcelain
Stoneware (Steinzeug*)
Earthenware
-3000 -2000 -1000 0 1700
2000
Ceramic pots (7000 BC)
Potter’s
wheel
Greek Vases
Europaen
Porcelain
History of ceramic materials
**): porous, low firing temp (900 -1200°C)
*): dense, high firing temp (>1200°C)
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14Ceramics: Introduction
Material Science I
Ceramics in the Past
Giant beaker, Erle
4 000 BCClosed Furnace
Stilt houses in Unteruhldingen, Bodensee
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15Ceramics: Introduction
Material Science I
Egyptian wall relief
Rechmuir
(1450 BC)
ceramic for
metallurgy
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16Ceramics: Introduction
Material Science I
Greek Vase, red on black decor
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17Ceramics: Introduction
Material Science I
Chinese Porcelain
14th century 18th century 19th century
Porcelain imports of the east indian company from china to europe:
1600 – 1800: > 3 000 000 pieces
anual dividends: up to 750% pa on the invested money
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18Ceramics: Introduction
Material Science I
1600 - 1800 AD , in 1000 pieces
Europaen imports of chinese porcelain
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19Ceramics: Introduction
Material Science I
European Porcelain
August der Starke
(1670 - 1733)
Ehrenfried Walter
von Tschirnhaus
(1652 - 1708)
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20Ceramics: Introduction
Material Science I
Europaen Porcelain
Feldspar Clay
Kaolin
Quartz
20 40 60 80
Dental ceramics
Hard porcelain
Steinzeug
techn. porcelain
Steingut
Porcelain, Prostethis, Porsche
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21Ceramics: Introduction
Material Science I
Fu
ncti
on
electrical and
magnetical
nuclear
technical
thermical
optical
chemical & biological
mechanical
Pro
pert
y
elektr. insulation piezoelectrical ferroelectrical semiconductor magnetical
temperature resist. n- absorption radiation resist. corrosion resist.
heat - conductor - insulator - storage
translucency controllable refraction index
Surface activity Corrosionresist. compatibility
strength (T) hardness wear resistency
Ap
plic
ati
on
substrates
sensors condenser / capacitor oscillators igniting elements high-temp. conductor „low-temp.“ PTC cond. superconductors batteries
fuel shielding storage contain.
heat exchanger heat shields insulation heat storage
Na-vapor lamp IR-window Laser material Light switch
Cat-Carriers Filters DeNOx-Cat. Gas-Sensors Elektrods Implantats
Cutting bits bearings seals Engine components
High-performance / high-tech ceramics
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22Ceramics: Introduction
Material Science I
Fu
nc
tio
n
electrical & magnetical
nuclear
technical
thermical
optical
chemical & biological
mechanical
Ma
teri
al
Al2O3 AlN BeO BaTiO3 SrTiO3 PZT SiC ZnO-Bi2O3 YBa2Cu3O7 U2O5 TiO2 NiO
- Al2O3 ZrO2 Li3N
UO2 PuO2 C SiC B4C BN Al2O3 Glass
SiO2 MgO Si3N4 Faser SiC Mg2SiO4 3 Al2O3 2SiO2
Al2O3 MgO Mg Al2O3 Y2O3 / ThO2 PLZT
Cordierit Al2O3 ZrO2 MgO Mg2SiO4
ZnO Fe2O3 SnO2 MgCr2O4-TiO2 Fe2ZnO4 Fe2NiO4 Titanate
TiB2
SiC ZrO2 B4C BN Al2O3 Si3N4
High-performance / high-tech Ceramics
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24Ceramics: Introduction
Material Science I
Fu
ncti
on
electrical and magnetical
nuclear
technical
thermical
optical
chemical & biological
mechanical
Pro
pert
y
elektr. insulation piezoelectrical ferroelectrical semiconductor magnetical
temperature resist. n- absorption radiation resist. corrosion resist.
heat - conductor - insulator - storage
translucency controllable refraction index
Surface activity Corrosionresist. compatibility
strength (T) hardness wear resistency
Ap
plic
ati
on
substrates
sensors condenser / capacitor oscillators igniting elements high-temp. conductor „low-temp.“ PTC cond. superconductors batteries
fuel shielding storage contain.
heat exchanger heat shields insulation heat storage
Na-vapor lamp IR-window Laser material Light switch
Cat-Carriers Filters DeNOx-Cat. Gas-Sensors Elektrods Implantats
Cutting bits bearings seals Engine components
High-performance / high-tech ceramics
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25Ceramics: Introduction
Material Science I
Engineering Ceramics Today:
electronics
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26Ceramics: Introduction
Material Science I
Property
Requirement at…
… Condition
Heat conductivity ()
< 100 W/mK …
…RoomTemperature (RT)
Thermal Expansion Coeff. ()
3 - 4 x 10
-6/K …
…RT – 200C
Electrical Resistance ()
> 1014
cm …
…RT
Rel. permittivity (r)
< 4 …
…1Mhz
Dielectric loss ()
< 10
-3 …
…1Mhz
Bend strength ()
> 500 MN/m
2 …
…3 P bend strength
Requirements for substrate materials
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27Ceramics: Introduction
Material Science I
+ +
- -
++ ++++ ++
- -- - - -- -
+ + +
+
+ + +
+
- - - -- - - -
++ ++++ ++
- -- - - -- -
++ ++++ ++++ ++++ ++
- -- - - -- -- -- - - -- -
- big distance
- small area
- no dielectric
- small distance
- large area
- no dielectric
- small distance
- large area
- with dielectric
low
storage capacity
higher
storage capacity
80’000 x higher
storage capacity
Electrical Condenser: Principle
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28Ceramics: Introduction
Material Science I
fixed capacitor trimming capacitor feedthrough
capacitor
Condenser: principle types
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29Ceramics: Introduction
Material Science I
Condenser/Capacitor device: buildup
soldering tag
nickel layer
contactelectrode
ceramic dielectric
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30Ceramics: Introduction
Material Science I
Capacitor: Production technology
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31Ceramics: Introduction
Material Science I
F
F
mechanical
electrical
electrical
mechanical
Piezo ceramics as electro-mechanical transformer
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32Ceramics: Introduction
Material Science I
mechanical
electrical
elektrical
mechanical
Piezo ceramics as electro-mechanical transformer
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33Ceramics: Introduction
Material Science I
Positioning by piezo-ceramics
http://www.physikinstrumente.de/products/index.php
PZT = PbZrTiO3
A B O3
Piezomotor
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34Ceramics: Introduction
Material Science I
Piezo-ceramics: Applications
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35Ceramics: Introduction
Material Science I
Piezo-ceramics: Applications
http://www.physikinstrumente.com
Charactistics
• Scans and Positions Objectives with Sub-nm
Resolution
• High Linearity and Stability
• Travel to 460 µm,
• Fast Response & Settling Time
• Frictionless Precision Guiding System for
Better Focus Stability
Potentional applications
• Scanning interferometry
• Surface structure analysis
• Disk drive testing
• Autofocus systems
• Confocal microscopy
• Biotechnology
• Semiconductor test equipment
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36Ceramics: Introduction
Material Science I
Piezo-ceramics: Applications
http://www.physikinstrumente.com
Potential Applications:
• Nanoimprinting
• Nanomanufacturing
• Metrology
• Nanopositioning
• Semiconductor test equipment
• Precision mask and wafer alignment
• Scanning interferometry
• Surface structure analysis
Characteristics:
• for scanning and positioning in all six
degrees of freedom
• 800 x 800 x 200 µm linear range
• up to 10 mrad rotational range
• parallel-kinematics/metrology
• multi-axis precision
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37Ceramics: Introduction
Material Science I
OXIDE APPLICATION
Metallic
ReO3, RuO, Li2TiO3
electrode, circuits / conductors
Piezo-ceramic Pb (Zr,Ti)O3 sensor, actuator
Pyro-ceramic (Pb,La)(Zr,Ti)O3 sensor
PTC “low temp.” conductors
BaTiO3 + doping
heat element, switch, temperature compensator
NTC “high temp.” conductors
Fe2O3, NiO, FeCr2O4, La, Sr, CoO3
temperature sensors
IOC Ionic conductors
ZrO2(Y2O3), Al2O3
battery, oxygen sensor, ph-meter, solid oxide fuel cell
HTC Super conductors
YBa2Cu3O4
sensor etc.
Applications of oxide ceramic materials
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38Ceramics: Introduction
Material Science I
Communication Technology
Piezo - Microphons Optical Fibres
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39Ceramics: Introduction
Material Science I
Sensors & sensor‘s integration
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40Ceramics: Introduction
Material Science I
Nanoscale & Microscale
0.1 1.0 10 100 1,000 10,000 nm
C-nanotube
atom molecule
quantum dot
transistor
field emitter
ceramic
powder
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41Ceramics: Introduction
Material Science I
Filling of Capilaries
Capillary flow of suspension
Cutting edges, plac-
ing PDMS on glass
substrate and infil-
trating capillaries with
suspension
Si wafer with photo-
resist structures
Pouring with PDMS
Removing of PDMS,
sintering.
5 mm
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42Ceramics: Introduction
Material Science I
Multi–walled Vanadium Oxide Nanotubes
20 nm50 nm
F. Krumeich, H.-J. Muhr, M. Niederberger, F. Bieri, B. Schnyder, and R. Nesper,
J. Am. Chem. Soc., 121 [36] 8324–8331 (1999)
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43Ceramics: Introduction
Material Science I
15 mm
1.5 mm
Aligned Vanadium Oxide Nanotubes
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45Ceramics: Introduction
Material Science I
Sensor
„smart“ mikrosensor-array
with doted CeO2
[Co] [Cu]
• hydrocarbons
• COx
• NOx
...
CeO2
Co/Fe/NiO
„nano“-structures on
CeO2ss
1-2 nm
detection of:
storage media
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46Ceramics: Introduction
Material Science I
SnO2-4-Point Contact
10mm
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47Ceramics: Introduction
Material Science I
H2 Sensor Response
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48Ceramics: Introduction
Material Science I
Fuel Cell Principle
Luft
Cathode
ElectrolyteAnode
H2 + CO H2O + CO2
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49Ceramics: Introduction
Material Science I
Fuel Cell
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50Ceramics: Introduction
Material Science I
Fuel Cell: Sulzer HEXIS
HEXIS = Heat EXchanger Integrated Stack
water
Speicher
heating
ce
ll sta
ck
sto
rage
air
natural gas
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51Ceramics: Introduction
Material Science I
Fault current
Limited
current
Normal
current
Protection of distributions and
transmission systems against
overcurrents and -voltages.
Prototype
HTc- Superconductor: Current Limiter Device
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52Ceramics: Introduction
Material Science I
Bi-2212 Superconductor on Ag substrate
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54Ceramics: Introduction
Material Science I
Fu
ncti
on
electrical and
magnetical
nuclear
technical
thermical
optical
chemical & biological
mechanical
Pro
pe
rty
elektr. insulation piezoelectrical ferroelectrical semiconductor magnetical
temperature resist. n- absorption radiation resist. corrosion resist.
heat - conductor - insulator - storage
translucency controllable refraction index
Surface activity Corrosionresist. compatibility
strength (T) hardness wear resistency
Ap
pli
ca
tio
n
substrates sensors condenser / capacitor oscillators igniting elements high-temp. conductor „low-temp.“ PTC cond. superconductors batteries
fuel shielding storage contain.
heat exchanger heat shields insulation heat storage
Na-vapor lamp IR-window Laser material Light switch
Cat-Carriers Filters DeNOx-Cat. Gas-Sensors Elektrods Implantats
Cutting bits bearings seals Engine components
High-performance / high-tech ceramics
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55Ceramics: Introduction
Material Science I
Porous Structure: Foamed Ceramic
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56Ceramics: Introduction
Material Science I
Hightech Ceramics - Chemical Application:
catalysts
cleanloaded
& filters
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57Ceramics: Introduction
Material Science I
Hightech Ceramics: medical application
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58Ceramics: Introduction
Material Science I
Hip Joint Implants
Polymer Abrasion
20 000xhttp://www.swri.org/3pubs/ttoday/fall/implant.htm
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59Ceramics: Introduction
Material Science I
Hip Joints Implants
M-P: Metal-PE
M-M: Metal-Metal
operating time
fric
tio
n c
oeff
icie
nt
0
0.1
0.2
C-C
M-P
M-M
natural joint
Bioceramics
Materials-Properties-Applications
A. Ravioglioli, A. Krajewski (ed.)
chapman & Hall, London, 1992
wear
in a
rbit
ray u
nit
s0
1
2
C-C
M-P
M-M
operating time
K-K: Ceramic-Ceramic
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60Ceramics: Introduction
Material Science I
Hüftgelenk-Implantate
acetabulum: polyethylen
(socket) or ceramic material
ball: metall or ceramic mat.(head)
shaft: metall (coated)
bone cement: polymethylmethacrylate
(PMMA)
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61Ceramics: Introduction
Material Science I
Hip Joint Implant
metal / polymer ceramic / polymer
ceramic / ceramic
Bioceramic
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62Ceramics: Introduction
Material Science I
Knee Implants
http://www.totaljoint.com/kneerplc.html
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63Ceramics: Introduction
Material Science I
Tooth Crowns and Bridges
metal framework and ceramic veneer
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64Ceramics: Introduction
Material Science I
Tooth Crowns and Bridges
ceramic framework and ceramic veneer
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Load Bearing Capacity of Bridges
z
y x
B BB B
pelastic
elastic
A A
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66Ceramics: Introduction
Material Science I
Dental ceramics
0 200 400 600 800 10000
2
4
6
8
10T
ou
gh
nes
s [M
Pa
m1/2
]
Bend Strength [MPa]
Glass-infiltrated A2O3
Glass Ceramic
Porcelain
High-TechKeramik
In-Ceram
In-Ceram
In-Cerammit 30%
ZrO2
(Vita-Celay)Alumina
Dicor MGC
IPS Empress
Omega
MK II
Zirconia
Empress2
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67Ceramics: Introduction
Material Science I
Clinical Evaluation
(Courtesy of University of Zurich)
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68Ceramics: Introduction
Material Science I
Clinical Evaluation
(Courtesy of University of Zurich)
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70Ceramics: Introduction
Material Science I
Fu
nc
tio
n
electrical and magnetical
nuclear
technical
thermical
optical
chemical & biological
Mech-anical
Pro
pe
rty
elektr. insulation piezoelectrical ferroelectrical semiconductor magnetical
temperature resist. n- absorption radiation resist. corrosion resist.
heat - conductor - insulator - storage
translucency controllable refraction index
Surface activity Corrosionresist. compatibility
strength (T) hardness wear resistency
Ap
pli
ca
tio
n
substrates sensors condenser / capacitor oscillators igniting elements high-temp. conductor „low-temp.“ PTC cond. superconductors batteries
fuel shielding storage contain.
heat exchanger heat shields insulation heat storage
Na-vapor lamp IR-window Laser material Light switch
Cat-Carriers Filters DeNOx-Cat. Gas-Sensors Elektrods Implantats
cutting bits bearings seals Engine components
High-performance / high-tech ceramics
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71Ceramics: Introduction
Material Science I
Strength of Ceramic Components
ZrO2
Str
en
gth
(G
Pa
)
Year
19801850 19601950 19701900 1990 2000
0
1
2
3
earthenware/
porcelain
hardmetal
superalloy
Si3N4
fiber
composite
SiC
glass ceramic
Al2O3
refractory
High Speed
Steel
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73Ceramics: Introduction
Material Science I
Hightech Ceramics:
Structural Applications
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77Ceramics: Introduction
Material Science I
Fibre Composite Materials
Failure in monolithischem and fibre-reinforced SiC
Crack length (mm)
10 000
7 500
5 000
2 500
0
0 1 2 3 4 5 6
sintered SiC
failureF
Fail
ure
En
erg
y (J
/m2) Fibre-
reinfored
SiC
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78Ceramics: Introduction
Material Science I
Fabrication of SiC – fibres from polymers
SiC N SiSi
n
CN NSi Si
n
SiC N SiSi
nB
BSi
C N
B
Si
C
N
Monomeric
Units
“Single
Source
Precursors“
Compounds
with Desired
Elements
Polyborocarbosilazanes
Polycarbosilazane
s
after J.Bill, F.Aldinger, Z.Metallk., 87, 1996,
827
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79Ceramics: Introduction
Material Science I
SiC fibers: high strength at high temperatures
Rupture strength behavior for various high-performance SiC fibers at 1400 °C in air.
SA, Tyranno SA fiber from UBE Industries (polycrystaline SiC fiber with small amount of Aluminium);
Hi-Nic. S, Hi-Nicalon Type S fiber from Nippon Carbon.
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80Ceramics: Introduction
Material Science I
Ceramic Materials
• high melting temperature
• high hardness
• high strength
• electrical, magnetical properties
• ferroelektrical properties
• optical properties
• catalytical properties
• biological properties
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81Ceramics: Introduction
Material Science I
Ceramic materials: their future
• communication technology
• electronic application
• medical application
• energy technology
• machining technology
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82Ceramics: Introduction
Material Science I
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83Ceramics: Introduction
Material Science I
Ersatz
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84Ceramics: Introduction
Material Science I
Classification of Ceramic Materials
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85Ceramics: Introduction
Material Science I
Working principle of
Me-Oxide Semiconductor - Sensors
Model of inter-grain potential
barrier (in the absence of gases)
Model of inter-grain potential barrier
(in the presence of gases)