Advanced four-point probe for microbial corrosion analysis
A four-point probe device designed to measure and analyze microbial corrosion on metals by detecting changes in resistance and calculating oxide layer thickness.
Overview
The four-point probe technology offers a sophisticated method for analyzing microbial corrosion on metal surfaces. By measuring changes in electrical resistance, the device provides insights into the formation and progression of corrosion-induced oxide layers. This solution is particularly useful for industries concerned with metal durability and corrosion management, offering precise, real-time data.
Technical specifications
Key features:
- Utilizes four co-linear electrodes for accurate resistance measurement, reducing errors associated with cable and lead resistance
- Capable of dynamically measuring metal resistance as it corrodes, providing continuous data over time
- Calculates the thickness of the corrosion oxide layer by modeling the metal-oxide complex as two parallel resistors
- Suitable for various controlled environments to study the impact of microbial activity on corrosion
Applications:
- Real-time monitoring of corrosion in industrial settings
- Development of corrosion kinetic models under different environmental conditions
- Research and development in material science focusing on corrosion resistance
Technology readiness level
This technology is at TRL 5, indicating that it has been validated in a relevant environment and is poised for further testing and refinement in practical applications.
About Drexel University
Drexel University is a comprehensive private research university in Philadelphia, recognized for an urban, industry‑embedded model anchored by a longstanding cooperative education program. Year‑round co‑ops create a ready talent pipeline and align sponsored research with real‑world needs. The campus sits within an innovation district with co‑located labs and incubators, enabling companies to collaborate on prototyping with faculty. Through the university’s medical college and clinical partners, industry teams can access clinical expertise and translational pathways. Research is supported by competitive federal funding from agencies such as NIH, NSF, DOE, and DoD. A dedicated technology transfer office manages IP, licensing, corporate research agreements, and startup formation.
delivered to your inbox.