Objectives
Produce a review of sensor technology for harsh applications, elf-powered systems and wireless communications, assembly methods and reliability assessment methods required. Within this review to confirm the priority topics for practical evaluation and development.
Demonstrate the benefits and relative merits of precision laser welding, friction stir welding, direct ceramic to metal bonding in the fabrication of key structures for sensors and their attachment.
Define and perform reliability tests on test vehicles produced to demonstrate the assembly techniques.
Project Outline
Review of sensor technology for harsh environments:
a. Sensors (with special reference to HT PEs)
b. Local power generation
c. High reliability attachment to target structures
Identification of standards, both existing and still required for lifetime assessment
Design of test vehicles to demonstrate assembly properties and reliability
Fabrication and assembly of test vehicles using precision technologies
a. Precision laser welding
b. Micro friction stir welding metallics and polymers
c. Direct ceramic/metal bonding
Test of assemblies
a. Mechanical properties
b. Cyclic thermal fatigue
Reporting and dissemination
Relevant Industry Sectors
Oil and Gas, Power Generation, Sensors and Electronics, Automotive, Aerospace
Technical and Economic Benefits
Permit fabrication of novel sensors and their supplementary systems.
Improved performance of thermal structures required for efficiency of sensor operation.
Improved lifetime and reliability of assemblies to target structures.
Position TWI precision assembly technology for renewables.