Short answer

When designing composite components for applications requiring impact resistance, consider vacuum-assisted resin infusion as a manufacturing method to enhance material performance.

Field: Final Production
Source: UPCommons institutional repository (Universitat Politècnica de Catalunya) (2013)
Method: Experimental investigation
Evidence: Moderate effect

Utilizing vacuum-assisted resin infusion for manufacturing non-crimp fabric (NCF) composite plates can improve their impact damage behavior. This final production research insight is drawn from a 2013 study published in UPCommons institutional repository (Universitat Politècnica de Catalunya). Using Experimental investigation, researchers explored how this design variable affects real-world outcomes. The key design takeaway: When designing composite components for applications requiring impact resistance, consider vacuum-assisted resin infusion as a manufacturing method to enhance material performance.

Study

Final ProductionHigh ImpactModerate effect

Vacuum-assisted resin infusion enhances impact resistance in NCF composites

Utilizing vacuum-assisted resin infusion for manufacturing non-crimp fabric (NCF) composite plates can improve their impact damage behavior.

UPCommons institutional repository (Universitat Politècnica de Catalunya) · 2013

Key Findings

01The study analyzed the impact response of NCF composite plates under varying impact energies.
02Damage mechanisms were assessed using load-deflection curves, energy profiling, and visual inspection of damaged specimens.

Application

Design takeaway

When designing composite components for applications requiring impact resistance, consider vacuum-assisted resin infusion as a manufacturing method to enhance material performance.

How to apply

When specifying materials for components likely to experience impact, evaluate the benefits of vacuum-assisted resin infusion for NCF composites.

Project actions

01When discussing manufacturing, clearly link the chosen method to the desired material properties.
02Consider how different manufacturing techniques might affect the cost and complexity of production.

Method & Evidence

AimTo experimentally investigate the impact damage behavior of non-crimp fabric composite plates manufactured using vacuum-assisted resin infusion.

MethodExperimental investigation

ProcedureComposite plates were manufactured using vacuum-assisted resin infusion with chopped strand mat and either epoxy or polyester resin. These specimens were then subjected to low-velocity impact tests at various energy levels using an instrumented drop weight impact testing machine. Damage progression was analyzed through load-deflection curves, energy profiling, and examination of the damaged specimens.

ContextAerospace and defense composite material development

Variables

IVManufacturing method (Vacuum-assisted resin infusion vs. other methods)

DVImpact damage behavior (e.g., load-deflection, energy absorption, perforation resistance)

CVComposite material composition (reinforcement type, resin type), impact energy levels, testing temperature

Strengths & Limitations

Strengths

+Direct experimental testing of impact behavior.
+Analysis of damage through multiple metrics (load-deflection, energy, visual inspection).

Limitations

The specific composite materials and impact conditions tested might not apply to all scenarios. Further research could explore different resin systems, fabric architectures, and impact velocities.

Reliability & validity

The reliability of the findings depends on the consistency of the manufacturing process and the precision of the impact testing equipment. Validity is supported by using multiple methods to analyze damage.

Think critically

How might variations in the vacuum infusion process (e.g., pressure, cure time) further influence the impact resistance of these composite plates?

Design Principles

"The manufacturing process is integral to the performance characteristics of advanced materials."

Understanding how manufacturing processes influence material performance under stress is crucial for selecting appropriate production methods. This insight helps designers and engineers choose fabrication techniques that optimize the durability and resilience of composite components in applications subjected to impact.

What This Means for Your Design

Making composite parts with a vacuum process can make them tougher when they get hit.

How to use in your project

1.Reference this study when justifying the choice of a manufacturing method for composite materials in your design project, particularly if impact resistance is a key requirement.

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Quick Cite

Paragraph starter

The experimental investigation into the impact damage behavior of non-crimp fabric composite plates highlights the critical role of manufacturing processes. Specifically, the use of vacuum-assisted resin infusion demonstrated an improved impact response, suggesting that this fabrication method can enhance the resilience of composite structures subjected to low-velocity impacts.

Source

UPCommons institutional repository (Universitat Politècnica de Catalunya)

Investigation of experimental research on the low velocity impact damage behavior of ncf composite plates – COMPLAS XII

journal · 2013

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Questions About This Research

What does the research say about vacuum-assisted resin infusion enhances impact resistance in ncf composites?: When designing composite components for applications requiring impact resistance, consider vacuum-assisted resin infusion as a manufacturing method to enhance material performance. Evidence: UPCommons institutional repository (Universitat Politècnica de Catalunya) (2013).
Why does "Vacuum-assisted resin infusion enhances impact resistance in NCF composites" matter for design?: Understanding how manufacturing processes influence material performance under stress is crucial for selecting appropriate production methods. This insight helps designers and engineers choose fabrication techniques that optimize the durability and resilience of composite components in applications subjected to impact.
How can designers apply this research?: When designing composite components for applications requiring impact resistance, consider vacuum-assisted resin infusion as a manufacturing method to enhance material performance.
What were the main findings?: The study analyzed the impact response of NCF composite plates under varying impact energies.. Damage mechanisms were assessed using load-deflection curves, energy profiling, and visual inspection of damaged specimens.
What research method was used?: Experimental investigation.
How strong is the evidence?: Evidence strength is rated Moderate effect, based on a 2013 journal from UPCommons institutional repository (Universitat Politècnica de Catalunya).
What should I do differently in my next project?: When specifying materials for components likely to experience impact, evaluate the benefits of vacuum-assisted resin infusion for NCF composites.
What are the limitations?: The study was conducted at room temperature, and the specific types of resin and reinforcement may limit generalizability to all NCF composites.