Improving Lightweight Designs Through Simulation

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New Method for Evaluation of Adhesive Joint Failure Under Cyclic Loads

April 20, 2021 | 10:00 – 10:30 AM EST

In vehicle bodies, bonding has become established for joining a wide variety of materials. However, to date there is no generally applicable method for analyzing the adhesive joint fatigue. In tests performed, a pronounced cohesive crack propagation phase was observed in epoxy layers with high local stress, resulting in high fatigue life differences between crack initiation and total failure. In order, to take this into account, the failure criterion was extended from initiation of technical crack to a local cracked zone.

A new method for determining the utilization degree of cracked zones was developed and calibrated based on experimental S/N curves. Recently, the stand-alone application ClaRP has enabled automatic damage assessment and thus the analysis of adhesive layers in complex finite element models.

Presenter: Manuel Frank | Engineer, Magna Powertrain

Featuring FEMFAT by Magna Powertrain, available through the Altair Partner Alliance

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Date And Time

2021.04.20 › 16:00 to
16:30
 

Location

Online Event
 

Event Category

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