نتایج جستجو برای: damage mechanism
تعداد نتایج: 772342 فیلتر نتایج به سال:
A dual-scale model is proposed to study the effect of microstructure parameters (grain size and grain boundary fracture energy) on thermal shock damage mechanism an example alumina. At microscale, representative volume element (RVE) models generated by Voronoi tessellation are simulated obtain mechanical for macro models. macroscale, a coupled thermomechanical based finite–discrete method (FDEM...
Shock tolerance is desirable for ceramic particles-reinforced metal matrix composites in many applications, where the dislocation dynamics evolution under extreme load key but still elusive. Herein, we have investigated motion and interaction shock loading of SiC/Al nanocomposites using molecular simulations. We demonstrated that plastic deformation occurs at an impact velocity (0.5 km/s) lower...
The objective of this research was to design and develope a Pick and Position system to displace spherical-shaped fruits, with minimum damage to flesh, from one specific place to another. A mechanical gripper (end-effector) suitable for grasping spherical-shaped fruits with 5-9 cm in diameter was designed and developed. The primary goal of the gripper design was to take and release the fruit wi...
The objective of this research was to design and develope a Pick and Position system to displace spherical-shaped fruits, with minimum damage to flesh, from one specific place to another. A mechanical gripper (end-effector) suitable for grasping spherical-shaped fruits with 5-9 cm in diameter was designed and developed. The primary goal of the gripper design was to take and release the fruit wi...
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