Development of fatigue cracks in polymethyl methacrylate

Tynnyi, A. N.; Yaroshevskaya, L. S.; Sentyurin, E. G.

doi:10.1007/bf00720790

Cited by 1 publication

(2 citation statements)

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“…Tynnyi et al . studied the mirror, coarse and final fracture zone on the fatigue fracture surfaces of PMMA samples. Furthermore, both the fatigue crack length and the craze zone dimension in PMMA specimen can be measured by multiple different techniques.…”

Section: Introductionmentioning

confidence: 99%

“…Oldyrev et al 10 investigated the fracture surfaces of PMMA material during fatigue testing in the presence of a heating hysteresis. Tynnyi et al 11 studied the mirror, coarse and final fracture zone on the fatigue fracture surfaces of PMMA samples. Furthermore, both the fatigue crack length and the craze zone dimension in PMMA specimen can be measured by multiple different techniques.…”

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confidence: 99%

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Prediction on fatigue life of U‐notched PMMA plate

Liu

Yao

et al. 2016

Fatigue Fract Eng Mat Struct

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In this paper, fatigue life prediction of U‐notched polymethyl methacrylate (PMMA) plate is numerically investigated based on the combination of fatigue damage mechanism and fatigue crack propagation mechanism. First, strength and stiffness degeneration criterions during the fatigue process are established on the basis of nonlinear progressive damage evolution, and the fatigue crack initiation life is estimated. Second, fatigue crack propagation phase is analysed through virtual crack closure technique. The fatigue crack propagation life before totally fracture is also predicted. Finally, finite element models of PMMA plate weakened by lateral symmetric U‐notch are built up using ABAQUS, and the total fatigue life of notched plate is calculated by combining the crack initiation life with the crack propagation life. These results will play an important role for evaluating the fatigue life of U‐notched PMMA plate.

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Section: Introductionmentioning

confidence: 99%

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confidence: 99%