Stress distribution along the cruciform geometry under pure in-plane biaxial loading condition
- 38 Downloads
The present paper aims at designing a novel cruciform geometry which could effectively demonstrate the biaxial behavior of aluminum A1050-H14. A cruciform geometry with two geometric shapes milled about the center region on the basic cross-shaped geometry is considered for the present study. The geometric shapes include a double-armed cruciform and a circle but with different depths (geometric-shaped CS-I). An FEA tool is used to study the biaxial behavior of these geometries under two biaxial loading conditions: (1) biaxial tension (TT) and (2) biaxial compression–tension (CT). Along with the above-mentioned geometry, two more geometries are even analyzed to end up with a better geometry for the in-plane biaxial testing. The other two geometries are (1) modified cruciform with spline cut at the cross-arms of the sample and with a straight arm (CS-II), and (2) modified CS-I geometry by tapering the arms (CS-III). The geometry producing (1) uniform von Mises stress, (2) zero or minimal shear stress along the gauge section and (3) initiation of failure about the gauge section is considered.
KeywordsBiaxial stress Cruciform sample Stress relieving FEA Pure biaxial stress
No funding for the present study.
Compliance with ethical standards
Conflict of interest
On behalf of all authors, the corresponding author states and declares that there is no conflict of interest.
- 1.Tisza M (2013) Recent development trends in sheet metal forming. Int J Microstruct Mater Prop 8(1/2):125–140Google Scholar
- 14.Ohtake Y, Rokugawa S, Masumoto H (1999) Geometry determination of cruciform-type specimen and biaxial tensile test of C/C composites. High Temp Ceram Matrix Compos 164:151–154Google Scholar
- 16.Terriault P, Settouane K, Brailovski V (2004) Biaxial testing at different temperatures of cruciform Ti–Ni samples. In: Proceedings of the international conference on shape memory and superelastic technologies, ASM International, California, p 247Google Scholar