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How does fracture toughness work with thermally conductive adhesives?

Learn how thermally conductive adhesives can provide advantages over traditional mechanical fastening.

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Fracture toughness of thermally conductive adhesives

Modern electronic devices require thermal interface materials to effectively transfer heat from operating components to ensure consistent and reliable performance. These materials range from greases and pads to gap fillers and liquid adhesives.

Liquid adhesives have a variety of advantages over pads. Specifically, they eliminate the need for mechanical fasteners, reduce the amount of material needed in a given application, decrease the residual stresses on electronic components, and enable automated assembly. These advantages lead to electronic devices that are smaller, more reliable, and more efficient than previous devices.

The mechanical properties of thermally conductive adhesives are well-known and documented, but the fracture behavior of these materials is less understood. The fracture toughness of a thermally conductive adhesive can have important effects on the performance of an electronic assembly, especially as it relates to issues of fatigue and reliability.

Key insights

Use less material and space over traditional mechanical fastening techniques
Understand thermal and mechanical properties of these materials
Learn effects of filler loading as well as matrix composition on the fracture toughness
All products under thermally conductive adhesives

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How does fracture toughness work with thermally conductive adhesives?

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Key insights

Related products

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Learn how specifying advanced materials in circuit board construction can help stem rising costs in limited IT budgets.

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Anyone who’s jumped in a cold pool on a hot day understands the effectiveness of liquid cooling. This is certainly not a new concept. Automobile radiators, one of the first examples of liquid cooling in industry, have existed for nearly 125 years.

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