TY - JOUR
A1 - Eberle, Arno
A1 - Sievert, Rainer
A1 - Schiller, Wolfgang Arno
T1 - Flip-Chip-Lotbumps thermisch-zyklisch belastet - Einfluß des Substratmaterials auf das viskoplastische Verhalten von Flip-Chip-Lotbumps
PY - 1998
SN - 0025-5300
VL - 40
IS - 9
SP - 350
EP - 352
PB - Carl Hanser Verlag
CY - München
AN - OPUS4-33715
LA - deu
AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany
ER -
TY - CONF
A1 - Eberle, Arno
A1 - Sievert, Rainer
A1 - Schiller, Wolfgang Arno
T1 - Numerical investigation on the influence of different substrate materials on the viscoplastic behaviour of flip chip solder bumps
N2 - The finite element method was used to simulate the thermo-mechanical behaviour of a flip chip under thermocyclic loading between -55°C (-67°F) and 125°C (257°F). In order to simulate realistically the inelastic material response of the solder bump, Chaboche's viscoplastic material model instead of a classical ORNL-theory was implemented into the finite element code ABAQUS and applied to a flip chip configuration. This so-called unified constitutive model is able to describe the Bauschinger effect as well as the creep/plasticity interaction. Herewith the influence of the substrate material on the inelastic deformation behaviour of a tin-lead solder bump was analysed. A comparison is given with respect to the influence of the two substrate materials namely Al2O3 and our self-developed Low Temperature Co-fired Ceramics (LTCC) on the inelastic response of the Sn60Pb40 eutectic solder material. It may be shown that the thermoelastic behaviour of the LTCC substrate significantly reduces the cyclic stresses in the bump compared to Al2O3 as well as the cumulative inelastic strain which is responsible for the development of damage and hence flip chip failure
T2 - International symposium on advanced packaging materials 2000
CY - Braselton, Georgia, USA
DA - 06.03.2000
PY - 2000
SN - 0-930815-59-9
U6 - https://doi.org/10.1109/ISAPM.2000.869253
SP - 112
EP - 117
AN - OPUS4-33716
LA - eng
AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany
ER -
TY - CONF
A1 - Eberle, Arno
A1 - Sievert, Rainer
T1 - Verifizierung von Flip-Chip-Demonstratoren unter Verwendung belastbarer Materialkennwerte
T2 - Öffentliches Status-Seminar "Projekt SIMIKO"
CY - München, Deutschland
DA - 2000-09-29
PY - 2000
AN - OPUS4-976
LA - deu
AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany
ER -
TY - JOUR
A1 - Eberle, Arno
A1 - Klingbeil, Dietmar
A1 - Schicker, Johannes
T1 - The calculation of dynamic JR-curves from the finite element analysis of a Charpy test using a rate-dependent damage model
N2 - A two-dimensional analysis of the Charpy V-notch specimen subjected to impact loading, according to the standard DIN EN 10045-1, is carried out, using a transient explicit dynamic finite element program. An elastic-viscoplastic, temperature dependent, constitutive relation for a porous plastic solid based on the Gurson damage model is developed. Ductile fracture of the matrix material will be described by the nucleation and subsequent growth of voids to coalescence. An updated Lagrange–Jaumann formulation is employed accounting for large strain and rotation. The discretization is based on four-node plane strain solid elements with one Gauss point. The equations of motion are integrated numerically by an explicit integration algorithm utilising a lumped mass matrix. The predictions of the numerical analysis in terms of force deflection response, crack resistance behaviour and deformation energy absorbtion are compared with results from Charpy tests which were carried out according to the low-blow technique.
PY - 2000
SN - 0029-5493
SN - 1872-759X
VL - 198
IS - 1-2
SP - 75
EP - 87
PB - North-Holland Publ. Co.
CY - Amsterdam
AN - OPUS4-995
LA - eng
AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany
ER -
TY - GEN
A1 - Klingbeil, Dietmar
A1 - Eberle, Arno
A1 - Baer, Wolfram
A1 - Wossidlo, Peter
A1 - Häcker, Ralf
ED - François, D.
ED - Pineau, A.
T1 - The calculation of dynamic JR-curves from 2D and 3D finite element analyses of a charpy test using a rate-dependent damage model
T2 - Charpy Centenary Conference
CY - Poitiers, France
DA - 2001-01-02
PY - 2001
SN - 0-08-043970-5
SN - 1566-1369
N1 - Serientitel: ESIS publication – Series title: ESIS publication
IS - 30
SP - 403
EP - 410
PB - Elsevier
CY - Amsterdam
AN - OPUS4-1928
LA - eng
AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany
ER -
TY - CONF
A1 - Bösel, Dieter
A1 - Baer, Wolfram
A1 - Eberle, Arno
A1 - Klingbeil, Dietmar
T1 - Stand der Entwicklung von Key Curve Einprobenverfahren zur Ermittlung dynamischer Risswiderstandskurven an duktilen Gusseisenwerkstoffen
KW - Dynamische Bruchmechanik
KW - Risswiderstandskurve
KW - Einprobentechnik
KW - Gusseisen mit Kugelgraphit
KW - Dynamic fracture mechanics
KW - Crack resistance curve
KW - Single specimen method
KW - Ductile cast iron
PY - 2008
SN - 1616-4687
SP - 73
EP - 81
AN - OPUS4-16709
LA - deu
AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany
ER -
TY - GEN
A1 - Baer, Wolfram
A1 - Bösel, Dieter
A1 - Eberle, Arno
A1 - Klingbeil, Dietmar
ED - Jaroslav Pokluda,
ED - Petr Lukás,
ED - Pavel Sandera,
ED - Ivo Dlouhý,
T1 - On the development of key curve methods for the determination of dynamic crack resistance curves of ductile cast iron (DCI)
T2 - 17th European Conference on Fracture (ECF17) - Multilevel Approach to Fracture of Materials, Components and Structures
CY - Brno, Czech Republic
DA - 2008-09-02
KW - Dynamic crack resistance curve
KW - Key curve method
KW - Ductile cast iron
PY - 2008
SN - 978-80-214-3692-3
SP - 492
EP - 498
PB - VUTIUM Brno
AN - OPUS4-17909
LA - eng
AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany
ER -
TY - CONF
A1 - Bettge, Dirk
A1 - Klinger, Christian
A1 - Ell, Matthias
A1 - Klingbeil, Dietmar
A1 - von Oppel, Kay
A1 - Singh, Kai
A1 - Eberle, Arno
A1 - Engelhardt, Monika
A1 - Bogel, Bärbel
A1 - Saliwan Neumann, Romeo
T1 - Schadensanalyse an Rohrbögen von Dampferzeugeranlagen
T2 - VGB-Fachtagung "Dampferzeuger, Industrie und Heizkraftwerke 2006"
CY - Würzburg, Deutschland
DA - 2006-09-04
KW - Schadensanalyse
KW - Brüche
KW - Dampferzeuger
KW - Transportschaden
PY - 2006
PB - VGB PowerTech e.V.
CY - Essen
AN - OPUS4-12817
LA - deu
AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany
ER -
TY - JOUR
A1 - Baer, Wolfram
A1 - Bösel, Dieter
A1 - Eberle, Arno
A1 - Klingbeil, Dietmar
T1 - Determination of dynamic crack resistance of ductile cast iron using the compliance ratio key curve method
KW - Dynamic crack resistance curve
KW - Ductile cast iron
KW - Single-specimen method
KW - Key curve
KW - Compliance ratio method
PY - 2010
U6 - https://doi.org/10.1016/j.engfracmech.2009.06.015
SN - 0013-7944
SN - 1873-7315
VL - 77
SP - 374
EP - 384
PB - Elsevier Science
CY - Kidlington
AN - OPUS4-20822
LA - eng
AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany
ER -
TY - GEN
A1 - Baer, Wolfram
A1 - Eberle, Arno
A1 - Klingbeil, Dietmar
ED - Klingbeil, D.
ED - Vormwald, M.
ED - Eulitz, K.-G.
T1 - The impact of ductile cast iron fracture behaviour on dynamic fracture mechanics R-curve testing using key curve methods
N2 - Dynamic fracture mechanics characteristics are required for design and safety proof of advanced
ductile cast iron (DCI) components. In this paper, the analytical compliance ratio
(CR) and numerical finite element (FE) key curve methods were investigated for dynamic Rcurve
testing. Two DCI materials, a purely ferritic and a ferritic one with 18 % of pearlite,
were tested at room temperature (RT) and -40 °C. The special focus is on the impact of the
materials damage and fracture behaviour on performance and limitations of the investigated
methods.
Systematic metallographic and fractographic microstructural analyses were performed accompanying
the test program. Summarizing systematics of the specific damage behaviour
and fracture mechanisms were developed taking microstructure, loading rate, specimen geometry
and test temperature into account.
There has been a change from ductile to brittle fracture mechanism observed at -40 °C with
ferritic DCI and even at RT with ferritic-pearlitic DCI. The ferritic-pearlitic DCI did not show Rcurve
behaviour at -40 °C and only single Juc values could be determined. Furthermore, with
ferritic-pearlitic DCI, random pearlite shares in the ligament caused the relation between
loading rate, force-deflection record and crack extension not to remain uniquely defined.
Therefore, the FE key curve method proofed not to be applicable since the FE model was
based on homogeneous isotropic material and ductile failure mode only. The analytical CR
key curve method worked well only with selected combinations of microstructure, specimen
geometry and temperature.
In summary it has to be concluded that a robust, accurate and sufficiently simple dynamic
key curve method that was suited for application in quality control of industrial relevant DCI
qualities cannot be provided currently.
T2 - 18th European conference on fracture (ECF 18) - Fracture of materials and structures from micro to macro scale
CY - Dresden, Germany
DA - 2010-08-30
KW - Damage and fracture behaviour
KW - Ductile cast iron
KW - Dynamic crack resistance curve
KW - Key curve
PY - 2010
SN - 978-3-00-031802-3
IS - Paper 160
SP - 1
EP - 8
AN - OPUS4-22273
LA - eng
AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany
ER -