casting occulsion stress analysis
TRANSCRIPT
Casting defects - FEA analysiswill an inclusion affectthe factor of safety ?
11/5/17 rev A
Don Blanchet
3B Associates
Prepared for:Ural Mining LTD
Solidworks model
PressureProof load
TestingPerformed
On aSteel
casting
Part download from Grabcad library
Meshed FEA model
Loads and supports
Fixed flange
InternalTest
pressure500 psi
Inclusion defect small air pocket detected by x-ray
Modeled pocket
Solid model section viewshowing small void
FEA stress contours on voidsurfaces and corners, psi
Results
Peak stress in the wall of the casting approx. ~ 3500 psi
Peak stress in the wall of the voiddefect approx. ~ 3000 psi
This void should have no effect on thestrength of the casting.