牙本质区域对塑性损伤力学性能的影响研究Effect of Spatial Variation on the Plastic and Damage Behavior of Human Dentin
李兴国,申同,侯鹏斐,金宽,陈云龙
摘要(Abstract):
牙本质的力学性能随着深度的变化而发生改变。建立了牙本质的塑性损伤模型模拟了牙本质的纳米压痕实验,并解释了纳米压痕实验卸载阶段刚度下降的原因。数值模拟结果表明内层牙本质的屈服强度低于外层和中层牙本质的屈服强度。并且更容易发生损伤。
关键词(KeyWords): 牙本质;屈服强度;损伤
基金项目(Foundation): 国家自然科学基金(11802194);; 大学生创新创业训练项目(XJ2019051)
作者(Author): 李兴国,申同,侯鹏斐,金宽,陈云龙
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