FEA Predictions and Test Results from Magnesium Beams in Bending and Axial Compression Ford Motor Company

Format:

Conference/Event

Author/Creator:

Wagner, Wagner, author.

Contributor:

Logan, Stephen

Skszek, Timothy

Wang, Kangping

Conference Name:

SAE 2010 World Congress & Exhibition (2010-04-13 : Detroit, Michigan, United States)

Language:

English

Physical Description:

1 online resource

Place of Publication:

Warrendale, PA SAE International 2010

Summary:

Finite element analysis (FEA) predictions of magnesium beams are compared to load versus displacement test measurements. The beams are made from AM60B die castings, AM30 extrusions and AZ31 sheet. The sheet and die cast beams are built up from two top hat sections joined with toughened epoxy adhesive and structural rivets. LS-DYNA material model MAT_124 predicts the magnesium behavior over a range of strain rates and accommodates different responses in tension and compression. Material test results and FEA experience set the strain to failure limits in the FEA predictions. The boundary conditions in the FEA models closely mimic the loading and constraint conditions in the component testing. Results from quasi-static four-point bend, quasi-static axial compression and high-speed axial compression tests of magnesium beams show the beam's behavior over a range of loadings and test rates. The magnesium beams exhibit significant material cracking and splitting in all the tests. LS-DYNA explicit FEA predictions of the tests agree to differing degrees with the test results. These results are part of the collaborative USAMP Magnesium Front End project

Notes:

Vendor supplied data

Publisher Number:

2010-01-0405

Access Restriction:

Restricted for use by site license