IJAMT, Cambridge University and Harvard Medical School: High-Temperature Microsensor Fabricated via Aerosol Jet Printing of Colloidal Platinum Nanoparticle Ink for Continuous Condition Monitoring of Rocket Engine Structures

In the aerospace sector, the reliability and safety of rocket engines are of paramount importance. Conventional monitoring methods rely on manual inspection, making it difficult to capture structural deformations in high-temperature environments in real time. Recently, a technology known as aerosol jet printing (AJP) was featured in the International Journal of Advanced Manufacturing Technology. Using this technique, scientists have directly printed platinum-nanoparticle-based microsensors onto the surface of rocket engines; these sensors can withstand temperatures as high as 1,290°C, enabling real-time monitoring of structural strain and creep. This article will systematically examine the underlying principles, applications, and future prospects of AJP.

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