About this Abstract |
Meeting |
2024 ASC Technical Conference, US-Japan Joint Symposium, D30 Meeting
|
Symposium
|
2024 ASC Technical Conference, US-Japan Joint Symposium, D30 Meeting
|
Presentation Title |
Correlating Effects of Porosity with Interlaminar Strength of L-Shaped Composite Laminates |
Author(s) |
MekaSai Krishna Meka, Yao Sun, Ryan Enos, Dianyun Zhang |
On-Site Speaker (Planned) |
Dianyun Zhang |
Abstract Scope |
Composite manufacturing processes often give rise to defects in the parts that are unintended, and these are something that we live with for the sake of the benefits that composite materials provide. Process induced defects deteriorate the mechanical properties of composite materials as well as their performance as opposed to what we would expect from the theory where we consider the parts to be free of defects. To be able to characterize the composite part strength as well as its damage response, it is important to study these defects and understand how to quantify the effects of these defects. Porosity is when there are small voids, air pockets or any volatile gas that is released during the curing process gets trapped in the laminated composite material. To analyze this, an integrated multiscale and multi-physics model has been developed to predict processing-induced porosity and its impacts on the interlaminar strength. The predictive capability of the proposed model will be demonstrated through the prediction of the flexural response of an L-shaped IM7/8552 composite laminate coupon fabricated via autoclave processing. Our aim is to develop model-based engineering approach to identify/quantify the amount of porosity and study its effect on the mechanical properties of the composite part, bridging the difference between the expected properties and observed properties to the maximum possible extent. |
Proceedings Inclusion? |
Definite: Post-meeting proceedings |