IUTAM Symposium on Multiscale Modelling of Fatigue, Damage and Fracture in Smart Materials

319 Pages·5.877 MB·English

by  Kuna Meinhard, Ricoeur Andreas (Editors).

IUTAM Symposium on Multiscale Modelling of Fatigue,
Damage and Fracture in Smart Materials
IUTAM BOOKSERIES
Volume 24
SeriesEditors
G.M.L.Gladwell,UniversityofWaterloo,Waterloo,Ontario,Canada
R.Moreau,INPG,Grenoble,France
EditorialBoard
J.Engelbrecht,InstituteofCybernetics,Tallinn,Estonia
L.B.Freund,BrownUniversity,Providence,USA
A.Kluwick,TechnischeUniversitt,Vienna,Austria
H.K.Moffatt,UniversityofCambridge,Cambridge,UK
N.Olhoff,AalborgUniversity,Aalborg,Denmark
K.Tsutomu,IIDS,Tokyo,Japan
D.vanCampen,TechnicalUniversityEindhoven,Eindhoven,
TheNetherlands
Z.Zheng,ChineseAcademyofSciences,Beijing,China
AimsandScopeoftheSeries
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auspicesoftheIUTAMBoard.
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http:www.springer.com/series/7695
Meinhard Kuna (cid:2) Andreas Ricoeur
Editors
IUTAM Symposium
on Multiscale Modelling
of Fatigue, Damage
and Fracture in Smart
Materials
Proceedings of the IUTAM Symposium on
Multiscale Modelling of Fatigue, Damage
and Fracture in Smart Materials, held in
Freiberg, Germany, September 1–4, 2009
123
Editors
AndreasRicoeur
MeinhardKuna
Universita¨tKassel
TUBergakademieFreiberg
Inst.Mechanik
Inst.MechanikundFluiddynamik
Mo¨nchebergstr.7
Lampadiusstr.4
34109Kassel
09596Freiberg
Germany
Germany
[email protected]
[email protected]
ISSN1875-3507 e-ISSN1875-3493
ISBN978-90-481-9886-3 e-ISBN978-90-481-9887-0
DOI10.1007/978-90-481-9887-0
SpringerDordrechtHeidelbergLondonNewYork
LibraryofCongressControlNumber:2010938713
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Preface
Multi-functionalmaterialsaspiezoelectric/ferroelectricceramics,magnetostrictive
andshape memoryalloysaregainingincreasingapplicationsassensors, actuators
or smart composite materials systems for promisinghigh tech areas. One primary
problemis,however,thatthesefunctionalmaterialssufferfromvariousmechanical
and/orelectromagneticaldegradationmechanismsasfatigue,damageandfracture.
Asaconsequenceoffieldcouplingeffects,fabricationprocessesandserviceloads,
smart materials systems are exposed to high mechanical and/or electromagnetical
field concentrations under internal and external loading of static, cyclic and dy-
namictype.Forthisreason,theinvestigationoffatigue,damageandfractureplays
a decisive role for the optimum design, reliability and durability of smart materi-
als systems. Thus, the topic of the symposium represents an active international
research area in mechanics of materials. From the experience and investigations
during the last decade it has become evident that progress in this scientific disci-
pline is only possible, if material models are based on the true physical nature of
the phenomena and if theoretical predictions are verified by skilful experiments.
Therefore,thescientificchallengescanonlybesolvedby
(cid:3) A multi-scalemodellingatseverallengthscalesfromatomisticto macroscopic
level
(cid:3) Aninterdisciplinarycooperationbetweensolidmechanics,materialsscienceand
physics
To promote the international scientific exchange in this important field, in 2006
theGeneralAssemblyofIUTAMapprovedtheproposaltohostthissymposiumin
Freiberg,Germanyand appointedthe InternationalScientific Committee. The IU-
TAMSymposium(GA.06-16)“MultiscaleModellingofFatigue,DamageandFrac-
tureinSmartMaterialsSystems”washeldonSeptember1–4,2009atTechnische
Universita¨tBergakademieFreiberg,Germany,organizedbytheInstituteofMechan-
icsandFluidDynamics.
This symposium stands in a line with former symposia on related topics held
under the auspices of IUTAM in 2000 at Magdeburgand in 2004 at Beijing. The
helpful assistance of the International Scientific Committee to communicate the
symposiumandtorecommendinvitedspeakersisthankfullyappreciated.
v
vi Preface
AccordingtotherulesandtraditionofIUTAM,theaimoftheSymposiumisto
bringtogetherinternationallyleadingresearchersworkingintheareaofsmartma-
terials.Thegoalistoexchangerecentscientificresults,todiscussnewachievement
andactualproblemsin anopenandfrankatmosphere.Theorganizerswerehappy
to welcome a lot of outstanding scientists in this field from all parts of the globe
aswellasmanyyoungresearchers.Intotaltherewere44participantscomingfrom
14countries:Australia(1),Austria(3),Belgium(1),Canada(1),China(8),Great
Britain(1),France(2),Germany(19),Israel(1),Italy(1),Japan(2),Slovakia(1),
Ukraine(1)andUSA(2).Thescientificprogramcovered35invitedoralcontribu-
tionspresentedin10sessions.
Thefollowingmaintopicshavebeenaddressedduringthesymposium:
(cid:3) Development of computational methods for coupled electromechanical field
analysis,especiallyextended,adaptiveandmulti-levelfiniteelementtechniques
incombinationwithboundaryelements.
(cid:3) Constitutivemodelingof smart materialswith coupledelectric, magnetic, ther-
malandmechanicalfields,especiallyofnonlineardissipativehysteresisbehavior.
Majortrendisthedevelopmentofmicromechanicalmodels.Especiallyforfer-
roelectric materials and shape memory alloys the simulation of microstructure
(domainswitching,martensitictransformationetc.)areofparamountconcern.
(cid:3) Furtherunderstandingandmodelingoffractureandfatigueinpiezoelectricand
ferroelectric ceramics, especially the modeling of fracture process zone and of
electricboundaryconditionsatcrackfaces.Applicationsofphasefield simula-
tionandconfigurationalmechanics.
(cid:3) Reliability and durability of sensors and actuators under in service loading by
alternatingmechanical,electricalandthermalfields.Theroleofinterfacecracks
betweenlayersandinthinfilmsisaddressed.
(cid:3) Experimental methods to measure fracture strength and to investigate fatigue
crack growth in ferroelectric materials under electromechanicalloading. It has
been pointedout that complicatedtheoreticalpredictionshave to be contrasted
andverifiedbyskilfulexperiments.
(cid:3) New ferroelectric materials, compounds and composites with enhanced strain
capabilities.
The chairman and its organizing team tried to make this IUTAM symposium not
only a successful scientific meeting but an outstanding social event, too. Many
thanksareduetoProf.Dr.A.Ricoeur,whocarriedthemainworkloadinorganizing
alldetailsofthissymposium.
TheTechnischeUniversita¨tBergakademieFreibergislocatedintheEastGerman
FederalState Saxony.BesidesDresdenandChemnitz,TUBergakademieFreiberg
isconsideredasthe“smallest”but“smartest”amongtheseTechnicalUniversities.
Its history started with the discovery of silver in the middle ages. The “Mining
Academy”FreibergwasfoundedbytheSaxonKingin1765inordertopromotethe
technologiesinsurveying,miningandmetallurgy.Thus,TUBergakademieFreiberg
possesses a long and famous tradition as one of the oldest montanistic universi-
ties in the world. Nowadays,TU BergakademieFreibergis established as modern
Preface vii
TechnicalUniversityfocusingmainlyonGeoscience,Resources,MaterialsScience,
EnergyandEnvironmentalTechnologies.
Freiberg has one of the largest and most splendid mineralogical exhibitions
“Terra Mineralia” in the world hosted in the old castle “Freudenstein”. The par-
ticipantsofthesymposiumenjoyedthevisitverymuch.
Freiberg,2009 MeinhardKuna
ChairmanoftheSymposium
International Scientific Committee
Kuna,M.(Freiberg,chair,Germany)
Gabbert,U.(Magdeburg,Germany)
Huber,J.E.(Oxford,GreatBritain)
Mai,Y.W.(Sydney,Australia)
McMeeking,R.M.(SantaBarbara,USA)
Rajapakse,N.(Burnaby,Canada)
Shindo,Y.(Sendai,Japan),
Yang,W.(Hangzhou,IUTAMrepresentative,China)
Local OrganizingCommitteeatTU Bergakademie Freiberg
MeinhardKuna(Chair,Germany)
AndreasRicoeur(Germany)
Sponsors
InternationalUnionofTheoreticalandAppliedMechanics
TechnischeUniversita¨tBergakademieFreiberg
SpringerVerlag