Flash Thermography for In-Situ Density and Thermal Property Measurement in Additive Manufacturing ID: 2025-015

A novel flash thermography method enabling high-accuracy, in-situ measurement of material density and thermal properties in powder bed additive manufacturing processes.

Technology Overview

This innovative technology utilizes a heat pulse to observe the thermal response of materials, fitting this data to a heat transfer model to accurately determine material density and thermal properties without disturbing the material layer. Designed for real-time application in additive manufacturing environments, it significantly outpaces traditional methods by offering rapid and accurate density measurements with minimal error and without the need for material extraction.

Key Advantages

• High-accuracy density measurements with less than 2% error, achievable in under 60 seconds
• Potential to reduce measurement times to just 10 seconds, enhancing manufacturing efficiency
• Minimized sensitivity to boundary conditions, ensuring reliable measurements across various settings
• Significant improvement over existing methods, offering over 99% reduction in measurement time

Problems Addressed

• Lengthy and invasive traditional methods requiring material extraction for density and thermal property analysis
• Challenges in achieving real-time monitoring of powder bed density and uniformity in additive manufacturing
• Limited ability to optimize manufacturing processes due to slow feedback on material properties

Additional Information

Technology ID: 2025-015
Sell Sheet: Download the Sell Sheet here
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Date Published: 28 March, 2025