On the mixed mode I/II fracture properties of jute fiber-reinforced concrete

A Razmi, MM Mirsayar - Construction and Building Materials, 2017‏ - Elsevier
In this paper, mixed mode I/II fracture toughness of jute fiber-reinforced concrete is
investigated experimentally using a large number of cracked semi-circular bend (SCB) …

Mixed mode fracture analysis using extended maximum tangential strain criterion

MM Mirsayar - Materials & Design, 2015‏ - Elsevier
The maximum tangential strain (MTSN) criterion is modified in this paper to predict fracture
initiation in cracked specimens under mixed mode loading conditions. Theoretical …

Extended MTSN criterion for fracture analysis of soda lime glass

MM Mirsayar, VA Joneidi, RVV Petrescu… - Engineering Fracture …, 2017‏ - Elsevier
This paper investigates brittle fracture in soda lime glass subjected to mixed mode I/II
loading using different fracture criteria. Different sets of mixed mode I/II fracture test data from …

Strain-based criteria for mixed-mode fracture of polycrystalline graphite

MM Mirsayar, F Berto, MRM Aliha, P Park - Engineering Fracture …, 2016‏ - Elsevier
The mixed-mode brittle fracture of two types of commercial graphite is investigated focusing
on strain-based fracture criteria. The previously published experiments using centrally …

The finite element over-deterministic method to calculate the coefficients of crack tip asymptotic fields in anisotropic planes

MR Ayatollahi, M Nejati, S Ghouli - Engineering Fracture Mechanics, 2020‏ - Elsevier
This article applies the finite element over-deterministic (FEOD) method to determine the
coefficients of the crack tip asymptotic fields in an anisotropic plane. This method relies on …

Determination of NSIFs and coefficients of higher order terms for sharp notches using finite element method

MR Ayatollahi, M Nejati - International Journal of Mechanical Sciences, 2011‏ - Elsevier
An overdeterministic method was used for calculating the Notch Stress Intensity Factors
(NSIFs) as well as the coefficients of the higher order terms for structures containing sharp …

On fracture of kinked interface cracks–The role of T-stress

MM Mirsayar - Materials & Design, 2014‏ - Elsevier
This paper presents a modified maximum tangential stress criterion (MMTS) for prediction of
the fracture initiation conditions in kinked bi-material cracks. The criterion takes into account …

Experimental determination of stress field parameters in bi-material notches using photoelasticity

MR Ayatollahi, MM Mirsayar, M Dehghany - Materials & Design, 2011‏ - Elsevier
The experimental technique of photoelasticity has been utilized for calculating bi-material
notch stress intensities as well as the coefficients of higher order terms. Employing the …

A generalized criterion for fatigue crack growth in additively manufactured materials–Build orientation and geometry effects

MM Mirsayar - International Journal of Fatigue, 2021‏ - Elsevier
The effect of material anisotropy on the fatigue crack growth (FCG) behavior in additively
manufactured materials is investigated by develo** an energy-based criterion. The …