Overview of Modes of Failure of Layered Composites — Lesson 1

Embark on a journey into the world of layered composites and their modes of failure. This lesson will explore the unique structure of layered composites, their complex failure modes, and their sensitivity to environmental factors and manufacturing variations. We'll delve into various failure criteria for composites, including Maximum Strain, Maximum Stress, Tsai-Hill, Tsai-Wu, Hashin, Puck, LaRC, Cuntze and more. We'll also discuss unique failure criteria for sandwich composites and examine key failure indicators in layered composite materials. Lastly, we'll explore two other key types of failure in composites: Delamination and Debonding. This lesson will equip you with a deeper understanding of layered composites, aiding in the design and analysis of these complex materials.

Video Highlights

01:17 - Unique structure and properties of layered composites
01:50 - Layer interactions and their influence on the overall properties of the material
02:17 - Failure modes in layered composites
03:28 - Unaccountable failures and micro-mechanical models in composites
04:43 - Introduction to failure modes
04:59 - Examination of failures within a layer
05:38 - Examination of failures between layers (delamination)
06:37 - Failure criteria in composites
10:16 - Comparison of Maximum Stress and Tsai-Wu failure criteria
11:35 - Introduction to unique failure criteria for sandwich composites
12:54 - Explanation of First-Ply-Failure (FPF) and Last-Ply-Failure (LPF) indicators
15:28 - Introduction to Delamination and Debonding
17:05 - Conclusion and summary of the video lesson

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