A novel method to determine the mixed mode (I/III) dynamic fracture initiation toughness of materials

Fahem, Ali Fahad; Kidane, Addis

doi:10.1007/s10704-020-00445-3

Cited by 8 publications

(1 citation statement)

References 44 publications

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“…• The shale can be tested under torsional stress wave using the spiral crack and investigate the mixed mode fracture under low and high loading rates, [21][22] 4. Summary Unfortunately, in all these methods the weak plane behavior and effect on the fracture have not been considered.…”

Section: The Fracture Datamentioning

confidence: 99%

The experimental methods and elastic properties of shale bedding planes materials state-of-the-art review

Messer

Fahem

Guthai

et al. 2022

QJES

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The identification of physical properties and fracture behavior of shale or hydrocarbon materials has grown to have substantial importance in the last four decades to industry and investigators alike due to its importance in unconventional oil and gas resources. This interest deviates from shale being a transversely isotropic material formed by bedding layers with different orientations and isotropic properties. In this paper, the experimental setup and the mechanical properties of shale materials have been reviewed. The investigator shows that the properties of shale are not unique, and it is highly dependent on, volume, loading type, and geolocation. Furthermore, the investigator utilized different experimental setup methods to identify the elastic properties of shale and the most common methods are Transducers Strain Detection, Strain gauges, Ultrasonic, and Digital image correlation that is shown in detail.

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Section: The Fracture Datamentioning

confidence: 99%