The shear strain of the interlayer in the elastic regime for a Steel-Polymer-Steel (SPS) laminate material has been studied during bending to a constant curvature. An analytical model is developed and the influence of process parameters are analyzed. The tension in the cover sheets is also determined and, finally, a moment diagram is calculated. The results show that the moment in the SPS laminate is nonuniform along the bent strip even though the curvature is constant because of the tension and compression forces introduced in the cover sheets by the shear reaction force of the interlayer material.

1.
DiCello
,
J. A.
, 1980, “
Steel-Polypropylene-Steel Laminate—A New Weight Reduction Material
,”
SAE Technical Paper Series
, 800078.
2.
Yang
,
B.
,
Nunez
,
S. W.
,
Welch
,
T. E.
, and
Schwaegler
,
J. R.
, 2001, “
Laminate Dash Ford Taurus Noise and Vibration Performance
,”
SAE Technical Paper Series
, 2001-01-1535.
3.
Link
,
T. M.
, 2001, “
Formability and Performance of Steel-Plastic-Steel Laminated Sheet Materials
,”
SAE Paper Series
, 2001-01-0079, pp.
31
38
.
4.
Kleiner
,
M.
, and
Hellinger
,
V.
, 1999, “
New Possibilities for Improved Bending of Vibration Damping Laminated Sheets
,”
Ann. ICRP
0146-6453,
48
(
1
), pp.
217
220
.
5.
You-Min
,
H.
, and
Daw-Kwei
,
L.
, 1995, “
Finite-Element Simulation of the Bending Process of Steel∕Polymer∕Steel Laminate Sheet
,”
J. Mater. Process. Technol.
0924-0136,
52
(
2
), pp.
319
337
.
6.
Yin
,
S.
,
Mason
,
J.
,
Schmidt
,
S.
, and
Corona
,
E.
, 2002, “
Bending and Springback of Laminated Steel
,”
JSME∕ASME International Conference on Materials and Processing
, pp.
159
163
.
7.
Kim
,
J.
, and
Swanson
,
S. R.
, 2001, “
Design of Sandwich Structures for Concentrated Loading
,”
Compos. Struct.
0263-8223,
52
, pp.
365
373
.
8.
Gosh
,
A. K.
, and
Dey
,
S. S.
, 1992, “
A Simple Finite Element for the Analysis of Laminated Plates
,”
Comput. Struct.
0045-7949,
44
(
3
), p.
585
.
9.
Frostic
,
Y.
, 1992, “
Higher-Order Theory for Sandwich-Beam Behaviour with Transversely Flexible Core
,”
J. Eng. Mech.
0733-9399,
118
, pp.
1026
1043
.
10.
Yoshida
,
F.
, 1990, “
Elastic-Plastic Analysis for Bending of Metal∕Polymer∕Metal Sandwich Plate
,”
Advanced Technology of Plasticity
,
3
, pp.
1513
1518
.
11.
Takiguchi
,
M.
, and
Yoshida
,
F.
, 2001, “
Plastic Bending of Adhesive-Bonded Sheet Metals
,”
J. Mater. Process. Technol.
0924-0136,
113
(
1–3
), pp.
743
748
.
12.
Takiguchi
,
M.
, and
Yoshida
,
F.
, 2003, “
Analysis of Plastic Bending of Adhesive-Bonded Sheet Metals Taking Into Account the Visco-Plasticity of Adhesive
,”
J. Mater. Process. Technol.
0924-0136,
140
(
1–3
), pp.
441
446
.
13.
Liu
,
L.
, and
Wang
,
J.
, 2004, “
Modeling Springback of Metal-Polymer-Metal Laminates
,”
J. Manuf. Sci. Eng.
1087-1357,
126
, pp.
599
604
.
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