1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
clear
//
//variable declaration
d=(20) //Diameter ,mm
Loadatelasticlimit=(102) //Load at elastic limit,KN
P=80 //Load for extension of o.25mm , KN
delta=(0.25) //extension in specimen of steel,mm
L=200 //gauge length of specimen of steel,mm
Finalextension=(56) //total extension at fracture,mm
A=(%pi*(d**2))/4 //Area**mm^2
printf("\n Area= %0.2f mm^2",A)
Stressatelasticlimit=Loadatelasticlimit*1000/A //Stress at elastic limit,N/mm^2
printf("\n Stress at elastic limit= %0.2f N/mm^2",Stressatelasticlimit)
E=(P*1000/A)/(delta/L) //Young’s modulus ,N/mm^2
printf("\n Youngs modulus E= %0.2f N/mm^22",E)
Percentageelongation=Finalextension*100/L //percentage elongation,%
printf("\n Percentage elongation= %0.3f percentage",Percentageelongation )
Initialarea=(%pi*(d**2))/4
Finalarea=(%pi*(15**2))/4 // total extension at fracture is 56 mm and diameter at neck is 15 mm.
Percentagereductionina=(Initialarea-Finalarea)*100/Initialarea
printf("\n Percentage reduction in area= %0.3f percentage",Percentagereductionina )
UltimateLoad=130 //Maximum Load=130,kN
UltimateTensileStress=UltimateLoad*1000/A
printf("\n Ultimate Tensile Stress= %0.2f N/mm^2",UltimateTensileStress)
|
