It is established that some superplastic materials undergo significant cavitation during deformation. In this work, stability analysis for the superplastic copper based alloy Coronze-638 at 550 °C based on Hart’s definition of stable plastic deformation and finite element simulations for the balanced biaxial loading case are carried out to study the effects of hydrostatic pressure on cavitation evolution during superplastic forming. The finite element results show that imposing hydrostatic pressure yields to a reduction in cavitation growth.
REFERENCES
1.
M.A.
Nazzal
, M.K.
Khraisheh
and F.K.
Abu-Farha
, J. Mater. Process. Tech.
191,
pp. 189
–192
(2007
)2.
D.
Holt
, Int. J. Mech. Sci.
12
, pp. 491
–497
(1970
)3.
M.A.
Nazzal
and M.K.
Khraisheh
, Mater. Sci. Forum
551
, pp. 257
–262
(2007
)4.
A.
Dutta
and A.
Mukherjee
1992 Mater. Sci. Eng.
157
, pp. 9
–13
(1992
)5.
M.A.
Nazzal
and M.K.
Khraisheh
, J. Mater. Eng. Perform.
16
, pp. 200
–207
(2007
)6.
C.
Yang
, L.
Chiu
and S.
Lee
, Scripta Mater.
34
, pp. 1555
–1560
(1996
)7.
M.
Nazzal
, F.
Abu-Farha
and R.
Curtis
, J. Mater. Eng. Perform.
20
, pp. 856
–876
(2011
)8.
M.K.
Khraisheh
, F.K.
Abu-Farha
, M.A.
Nazzal
and K.J.
Weinmann
, CIRP Ann-Manuf. Techn.
55
, pp. 233
–236
(2006
)9.
10.
J.
Pilling
and N.
Ridley
, Superplasticity in Crystalline Solids
(The Institute of Metals
, London
, 1989
)11.
M.J.
Stowell
, Met. Sci.
17
, PP. 92
–98
(1983
)12.
H.S.
Yang
, K.
Mukherjee
and W.T.
Roberts
, Mater. Sci. Tech.
8
, PP. 611
–619
(1992
)13.
S.
Quan
, K.
Shu-Qing
and Z.
Wang
, J. Mater. Sci.
30
, pp. 2549
–2553
(1986
)14.
J.
Pilling
and N.
Ridley
, Acta Metall.
34
, pp. 669
–679
(1986
)15.
M.K.
Khraisheh
, H.M
Zbib
HM, C.H.
Hamilton
and A.E.
Bayoumi
, Int. J. Plasticity
13
, pp. 143
–164
(1997
)16.
H.M.
Zbib
, Acta Mech.
87
, 179
–196
(1991
)17.
M.A.
Nazzal
, M.K.
Khraisheh
and B.M.
Darras
2004 J. Mater. Eng. Perform.
13
, pp. 691
–699
(2004
)18.
19.
20.
C.H.
Caceres
and D.S.
Wilkinson
, Acta Metall.
32
, pp. 415
–434
(1984
)21.
M.A.
Nazzal
, F.K Abu
Farha
and F.
Jarrar
, “The Effects of Hydrostatic Pressure on Superplastic Deformation Stability in the Presence of Cavitation” in 10th Int. Conf. on Technology of Plasticity -2011
, (Düsseldorf Verl
. Stahleisen
), pp. 1061
–1065
22.
23.
E.W.
Hart
, Acta Metall.
15
, pp. 351
–355
(1967
)24.
M.
Smith
, ABAQUS/Standard User’s Manual
, Version 6.14. Providence, RI: Simulia
, (2014
).
This content is only available via PDF.
© 2018 Author(s).
2018
Author(s)
