余留牙根半径,residual root mass
root radius齿根半径
3)root radius/groove radius根部半径
4)notch root radius缺口根半径
1.To study the influence of stress triaxiality and plastic strain on the microvoid coalescence damage development and ductile fracture process of metal materials,the stress and strain distributions of the tensile specimens with different notch root radius are calculated by finite element method for 16Mn steel and two kinds of aluminum alloys.为研究应力三维度和塑性应变对金属材料微孔聚合型损伤发展和延性断裂过程的影响,用有限元法计算16Mn钢和两种铝合金材料不同缺口根半径拉伸试样的应力、应变分布。
5)RMS radius均方根半径
6)root diameter齿根直径;牙底直径
延伸阅读

余留1.残存，遗留。