What is a model of heat generation during fracture due to energy release?
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A theoretical model of heat generation during fracture due to energy release has been developed based on various studies. The model considers factors such as the localization of heat release during deformation, slip bands in the metal specimen, and the relationship between generated heat and crack propagation velocity . It also incorporates the characteristics of acoustic signals related to fracture processes, spatial stress distribution around the crack tip, and crack formation dynamics . Additionally, the model predicts crack-tip temperature based on stress-intensity amplitude, loading frequency, time under load, and material parameters, with experimental validation in steel specimens showing good agreement between predicted and measured temperatures . This comprehensive model provides insights into the complex interplay between energy release, heat generation, and fracture processes.
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8 Citations | The model suggests that heat generation during fracture in steel plates is localized in slip bands, leading to temperature rise due to physicochemical processes in those regions. |
01 Jan 1988 1 Citations | The paper proposes a fracture model combining atomistic and continuous approaches to determine heat release area, moment of fracture, and crack formation dynamics during energy release. |
| The model of heat generation during fracture due to energy release is based on measuring temperature rise and crack propagation velocity in PMMA specimens under various pre-strain conditions. | |
| Heat generation during fracture due to energy release is modeled using a two-dimensional faulting model with frictional heat, indicating possible fluid involvement and thermal pressurization effects. | |
10 Citations | The theoretical model in the paper predicts crack-tip temperature during fracture based on stress-intensity amplitude, cyclic loading frequency, time under load, and material parameters. |
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