Environmental chamber for micromechanical testing under non-ambient conditions
The goal of this project is to develop an environmental chamber for mechanical testing setups, which will enable mechanical metrology of different microarchitectures such as micropillars and microlattices, as a function of temperature, humidity and gaseous environment.
Current state-of-the-art micromechanical testing systems are capable of unraveling the precise microstructure-mechanical property relationships, typically only under high vacuum conditions (inside an SEM) at quasi-static speeds and nominal temperatures. However, under service conditions, materials can be subjected to high/cryo temperatures, high strain rates and non-ambient atmospheric conditions (humidity, pressure and chemical nature of the gaseous atmosphere).
In this project, we will develop an environmental chamber specifically suited for in situ micromechanical testing of micro-to-mesoscale samples under an optical microscope at non-ambient atmospheric conditions. This will help characterize the mechanical behavior of small-scale materials under harsh application-relevant environments such as high-humidity, gaseous hydrogen environment etc. under a controlled laboratory setting. The goal of this project is to develop a unique testing platform that can help understand the structural and microstructural evolution of different microarchitectures such as micropillars and microlattices, as a function of simultaneous mechanical and environmental stimuli.