吊索具常见的术语解释
Explanation of common terms of sling
1.φ：指圆的直径；
one φ： Refers to the diameter of the circle;
2.N/mm2：指单位面积所能承受的拉力值；
2. N/mm2: refers to the tensile force per unit area;
3.载荷：指施加在吊索上的物体的质量；
3. Load: refers to the mass of the object applied on the sling;
4.预应力：指构件在承受载荷之前已经施有的应力；
4. Prestress: refers to the stress applied to the component before bearing the load;
5.安全系数：指产品许用载荷与设计载荷之比；
5. Safety factor: refers to the ratio of product allowable load to design load;
6.屈服强度：指试样在出现屈服现象时所能承受的最大应力抗拉强度；
6. Yield strength: refers to the maximum stress tensile strength that the sample can bear when yielding occurs;
7.抗拉强度：指试样在拉断前所能承受的最大应力值；
7. Tensile strength: refers to the maximum stress that the sample can bear before breaking;
8.断面收缩率：指试样拉断后，缩颈处横截面积的最大缩减量与原始横截面积的百分比。
8. Reduction of area: refers to the percentage of the maximum reduction of the cross sectional area at the necking point and the original cross sectional area after the sample is pulled.
9.冲击功：指规定形状和尺寸的试样在冲击试验力一次作用下折断时所吸收的功。
9. Impact energy: refers to the energy absorbed by the specimen of specified shape and size when it is broken under the impact test force.
10.弹性模量：指与材料有关的比例常数，即：弹性模量=应力/应变。
10. Elastic modulus: refers to the proportional constant related to the material, that is, elastic modulus=stress/strain.
11.延伸率：指被试验材料在受力拉伸断裂后，总伸长与原始标距长度的百分比。
11. Elongation: refers to the percentage of total elongation and original gauge length of the tested material after tensile fracture under stress.