Macro-scale fracture analysis of isothermal composites: Theory and seven applications Academic Article

abstract

• 2016 Elsevier Ltd Starting with the macroscopic energy balance and the macroscopic entropy inequality, a lower bound is derived for the critical strain energy at which an isothermal composite or multiphase material fractures or fails. It relates the work done on the body, or the strain energy created in the body, to the new fracture surface area created. No assumption is made about the number or configurations of these fractures. Using previously published experimental observations by others, seven examples are developed to demonstrate how this inequality can be used to calculate bounds that can be compared with experimental observations. Six involve carbon fiber/epoxy aerospace laminates, and one an oil/gas producing sandstone. No adjustable parameters or history matching are employed.

authors

• Cizmas, Paul

published proceedings

• Engineering Fracture Mechanics

author list (cited authors)

• Slattery, J. C., & Cizmas, P.

complete list of authors

• Slattery, John C||Cizmas, Paul GA

publisher

• Elsevier  Publisher

published in

• Engineering Fracture Mechanics  Journal

keywords

• 40 Engineering
• 4001 Aerospace Engineering
• 4016 Materials Engineering
• 7 Affordable And Clean Energy

Digital Object Identifier (DOI)

• 10.1016/j.engfracmech.2016.06.003

start page

• 366

end page

• 380

volume

• 163