ao:矩形横截面试验原始厚度
bo:矩形横截面试验原始平行长度
do:圆形横截面试验平行长度的原始直径
So:原始横截面面积
Su:断后横截面面积
Z;断面收缩率:Z = (So-Su)/So*100%
L:标距(Gauge length)
Lo:原始标距(Original gauge length)
Lu:断后标距(Final gauge length after fracture)
Lc:平行长度(Prallel length)
Lt:试样总长度
A:断后伸长率(Percentage elongation after fracture):A = (Lu-Lo)/Lo*100%
Le:引伸计标距(Extensometer gauge length)
Ae:屈服点延伸率(Percentage yield point extension)
Agt:最大力总延伸率(Percentage total extension at maximum force)
Ag:最大力塑性延伸率(Percentage plastic extension at maximum force)
At:断后总延伸率(Percentage total extension at fracture)
Fm:最大力(Maximum force)
R:应力(Stress)
Rm:抗拉强度(Tensile strength)
Re:屈服强度(Yield strength)
ReH:上屈服强度(Upper yield strength)
ReL:下屈服强度(Lower yield strength)
Rp:规定塑性延伸强度(Proof strength,plastic extension)
Rt:规定总延伸强度(Proof strength,total extension)
Rr:规定残余延伸强度(Permanent set strength)
ΔLm:最大力总延伸
ΔLt:断裂总延伸 |
