Jenis Logam D Logam (mm) d 1 (mm) d average BHN BHN rata-rata

Alumunium

20 1.533 1.533 33.82881201467

35.594617244736120 1.287 1.287 48.0178789090420 1.727 1.727 26.644885142920 1.365 1.365 42.6813776978320 1.722 1.722 26.80013245924

Jenis Logam D Logam (mm) d 1 d average BHN BHN rata-rata

Baja

31.9 0.626 0.626 203.15142687882

379.57256751483431.9 0.409 0.409 475.9330841095131.9 0.611 0.611 213.249540110831.9 0.315 0.315 802.3773595961931.9 0.626 0.626 203.15142687882

0.5174

Catatan

Catatan

P (N) ΔL (mm) ɛ (mm/mm)

1000 0.8 1.35000135 1.5444015444

2000 2.2 2.7000027 4.2471042471

3000 2.8 4.05000405 5.4054054054

4000 3.2 5.4000054 6.17760617765000 3.6 6.75000675 6.94980694986000 3.9 8.1000081 7.5289575297000 4.4 9.45000945 8.49420849428000 4.8 10.8000108 9.26640926648300 5.1 11.205011205 9.84555984568600 5.43 11.61001161 10.4826254838700 5.58 11.745011745 10.7722007728900 5.85 12.015012015 11.2934362939100 6.13 12.285012285 11.8339768349300 6.44 12.555012555 12.4324324329300 6.66 12.555012555 12.8571428579400 6.96 12.69001269 13.4362934369500 7.24 12.825012825 13.9768339779600 7.48 12.96001296 14.440154449600 7.72 12.96001296 14.9034749039700 8.17 13.095013095 15.7722007729800 8.37 13.23001323 16.1583011589900 8.73 13.365013365 16.853281853

10000 9.04 13.5000135 17.45173745210100 9.38 13.635013635 18.10810810810200 9.43 13.77001377 18.20463320510200 10.04 13.77001377 19.38223938210200 10.35 13.77001377 19.98069498110300 10.7 13.905013905 20.65637065610300 11 13.905013905 21.23552123610300 11.35 13.905013905 21.91119691110500 11.69 14.175014175 22.56756756810500 11.95 14.175014175 23.06949806910500 12.3 14.175014175 23.74517374510700 12.48 14.445014445 24.09266409310700 12.57 14.445014445 24.26640926610700 12.75 14.445014445 24.61389961410700 13.75 14.445014445 26.54440154410700 14.29 14.445014445 27.58687258710700 14.68 14.445014445 28.3397683410700 15.04 14.445014445 29.034749035

σ (N/mm2 ) Lebar awal (lo)

Panjang awal (po)

Lebar Akhir (li)

Panjang akhir (pi)

Luas panampang (Ao)

0 5 10 15 20 25 30 350

2

4

6

8

10

12

14

16

Grafik ɛ Vs σ

ɛ (mm/mm)

σ (N

/mm

2 )

10700 15.33 14.445014445 29.59459459510700 15.87 14.445014445 30.637065637

14.3 mm

51.8 mm

9.9 mm

72.78 mm

740.74 mm2

0 5 10 15 20 25 30 350

2

4

6

8

10

12

14

16

Grafik ɛ Vs σ

ɛ (mm/mm)

σ (N

/mm

2 )