Silicone-Coated Ballistic Composites for Abrasion Resistance
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Solution Overview
Problem
Soft, flexible ballistic resistant materials exhibit excellent ballistic resistance but poor abrasion resistance, affecting their durability.
Innovation Solution
A multilayer coating comprising a non-silicon-containing material and a silicon-containing material, applied to high-strength fibers, enhances the abrasion resistance of fibrous composites by providing a lubricating effect and improved durability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If soft, flexible ballistic resistant materials are used, then ballistic resistance is improved, but abrasion resistance deteriorates
Solution Approach 1:
The patent applies composite materials by combining high-strength fibers (such as UHMWPE or aramid) with an elastomeric matrix to create a soft armor composite. The fiber network provides ballistic resistance while the elastomeric matrix provides flexibility and improved abrasion resistance compared to bare fibers. This composite structure resolves the contradiction by integrating materials with complementary properties.
Solution Approach 2:
The patent applies local quality by coating individual fibers with elastomeric material. Each fiber is substantially coated or encapsulated by the binder material, creating a localized protective layer that improves abrasion resistance at the fiber level while maintaining the overall ballistic performance of the composite structure.
2Strength
If high strength fibers are used in soft armor, then ballistic penetration resistance is improved, but durability against abrasion deteriorates
Solution Approach 1:
The patent creates a composite material system where high-strength fibers are embedded in an elastomeric matrix. The fiber network (UHMWPE or aramid) provides ballistic penetration resistance while the elastomeric binder material provides durability and abrasion resistance, extending the service life of the armor garment.
Solution Approach 2:
The elastomeric coating is applied locally to each fiber surface, creating a protective envelope that shields the high-strength fibers from abrasive wear. This local protection mechanism maintains the fibers' ballistic performance while significantly improving their resistance to abrasion and extending durability.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The coated composites demonstrate superior abrasion resistance and durability while maintaining excellent ballistic penetration resistance, as evidenced by increased V50 values and improved performance in abrasion tests.
Implementation Method 1
a topical layer of a silicon-containing material on the non-silicon-containing material layer
Data Source
AI summary
Ballistic resistant articles having abrasion resistance. Particularly, abrasion resistant, ballistic resistant articles and composites having a silicone-based topical treatment.