2021
DOI: 10.1063/5.0042928
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Numerical simulation of particle fracture and surface erosion due to single particle impact

Abstract: Particle fracture can influence material failure and removal mechanisms in high velocity impact progress. In this paper, a coupled finite element method-smooth particle hydrodynamics numerical model of a single irregularly shaped particle erode metal surface was established to investigate the particle fracture and metal surface erosion. The Johnson–Cook model and Johnson–Holmquist-II model were introduced to describe the deformation of ductile materials and the fracture of brittle materials, respectively. Subs… Show more

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Cited by 4 publications
(3 citation statements)
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“…In addition, 5Y subgroups exhibited less amount of maximum principal stress than 3Y or 4Y subgroups, meaning decreased load-to-failure [ 46 ]. It was reported that soft substrate absorbed a large amount of kinetic energy under impact load, resulting in large plastic deformation [ 47 ]. The FIB cross-sectional images of highly translucent zirconia with larger particles in this study revealed that abrasive particle intruded into the zirconia substrate in the form of brittle fracture due to the interactions between alumina particles and zirconia materials.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…In addition, 5Y subgroups exhibited less amount of maximum principal stress than 3Y or 4Y subgroups, meaning decreased load-to-failure [ 46 ]. It was reported that soft substrate absorbed a large amount of kinetic energy under impact load, resulting in large plastic deformation [ 47 ]. The FIB cross-sectional images of highly translucent zirconia with larger particles in this study revealed that abrasive particle intruded into the zirconia substrate in the form of brittle fracture due to the interactions between alumina particles and zirconia materials.…”
Section: Discussionmentioning
confidence: 99%
“…The FIB cross-sectional images of highly translucent zirconia with larger particles in this study revealed that abrasive particle intruded into the zirconia substrate in the form of brittle fracture due to the interactions between alumina particles and zirconia materials. Larger particles could gain higher kinetic energy than smaller ones, being more susceptible to fracture [ 47 ]. Therefore, the lower damage tolerance of highly translucent zirconia compared to conventional zirconia should be taken into consideration when setting the sandblasting protocols.…”
Section: Discussionmentioning
confidence: 99%
“…This allows the kinematics of individual particle impacts on the surface elements of a discretized structure to be calculated (see Figure 1). Considering particle breakage and material loss in the blades caused by single-particle impacts imposes significant computational efforts and still requires semi-empirical correlations like the Johnson-Cook model for the high-speed strain behavior of ductile blade materials and the Johnson-Holmquist-II model for brittle particle materials (Du et al, 2021). The high resolution of the numerical approach is achieved at the cost of high computational resources.…”
Section: Introductionmentioning
confidence: 99%