Lithiation-Driven Fracture of Crystalline Silicon

Using phase-field fracture and classical phase-field method to track phase change we modeled lithiation-driven plastic swelling and fracture of silicon crystalline nanopillars.   



Using phase-field fracture (variational approach to fracture mechanics) and my parallel FE code, there is a wide range of fracture mechanics problems that can be solved. 

Fracture of modified ASTM E1820

Fracture of double hole double notched sample

Brittle matrix fracture and debonding around a fiber

Bronkenshire Fracture Test


The following are some examples of my FD code that show the complex interaction of interlayer debonding and channel fracture in the film.

(All visualization done using VisIt)