TY - GEN
T1 - Numerical determination of sheet metal forming limit based on a new combined model of M-K theory and shear localization criterion
AU - Chan, Luen Chow
PY - 2013/7/19
Y1 - 2013/7/19
N2 - A combined forming limit model of M-K theory and shear localization criterion is proposed in this paper to study the formability of 6016-T4 Aluminum alloy sheet, with the sheet material modeled by the Yld2000-2d yield function and two isotropic hardening models. The forming limit curve (FLC) of the material can be predicted well using the M-K model in the right region, and using the shear localization criterion in the left region. The critical plane strain of the material was computed using the M-K model and then used to determine the shear localization criterion. In fact, the combined model takes advantage of both of these theories. As a consequence, the results obtained from the proposed combined necking model seem to agree satisfactorily with those of the experiments.
AB - A combined forming limit model of M-K theory and shear localization criterion is proposed in this paper to study the formability of 6016-T4 Aluminum alloy sheet, with the sheet material modeled by the Yld2000-2d yield function and two isotropic hardening models. The forming limit curve (FLC) of the material can be predicted well using the M-K model in the right region, and using the shear localization criterion in the left region. The critical plane strain of the material was computed using the M-K model and then used to determine the shear localization criterion. In fact, the combined model takes advantage of both of these theories. As a consequence, the results obtained from the proposed combined necking model seem to agree satisfactorily with those of the experiments.
KW - 6016-T4 aluminum alloy
KW - Forming limit diagram
KW - Sheet metal forming
UR - http://www.scopus.com/inward/record.url?scp=84880181057&partnerID=8YFLogxK
U2 - 10.4028/www.scientific.net/AMM.330.821
DO - 10.4028/www.scientific.net/AMM.330.821
M3 - Conference article published in proceeding or book
SN - 9783037857250
T3 - Applied Mechanics and Materials
SP - 821
EP - 825
BT - Materials Engineering and Automatic Control II
T2 - 2nd International Conference on Materials Engineering and Automatic Control, ICMEAC 2013
Y2 - 18 May 2013 through 19 May 2013
ER -