Paramadair cumanta de Molybdenum Tungsten Tatanlum Niobium

Molybdenum

Tungstan

Tatanlum

Niobium

Chromium

cruas (20 ℃)

Faochadh cuideam air ainmeachadh: >

220(HV10)

ath-chriostalachadh> 160 – 180[HV10]

faochadh cuideam air ainmeachadh: > 460(HV30)

ath-chriostalachadh>360(HV30)

deformed: 120 - 220 [HV10]

ath-chriostalachadh: 80 - 125[HV10]

deformed: 110 - 180 [HV10] ath-chriostalachadh: 60 - 110 [HV10]

180 - 250 [HV10]

Modal elasticity (20 ℃)

320 [GPa]

405 [GPa]

186 [GPa]

104 [GPa]

294 [GPa]

Co-èifeachd leudachadh teirmeach sreathach (20 ℃)

5.2 · 10-6

[m/(m·K)]

4.4 ·10-6

[m/(m·K)]

6.4 ·10-6

[m/(m·K)]

7.1 ·10-6

[m/(m·K)]

6.2 · 10-6

[m/(m·K)]

giùlan teirmeach (20 ℃)

142 [W/(m ·K)]

164

[W/(m·K)]

57.5

[W/(m·K)]

53.7

[W/(m·K)]

93.7

[W/(m·K)]

Teas sònraichte (20 ℃)

0.25

[J/(g·K)]

0.13

[J/(g·K)]

0.14 [J/(g·K)]

0.27

[J/(g·K)]

0,45

[J/(g·K)]

giùlan dealain (20 ℃)

17.9·106

[1/(Ω·m)]

18.2 · 106

[1/(Ω·m)]

8·106[1/(Ω·m)]

7.1 ·106[1/(Ω·m)]

7.9·106

[1/(Ω·m)]

Frith-aghaidh dealain sònraichte (20 ℃)

0,056

[(Ω·mm2)/m]

0.055

[(Ω·mm2)/m]

0.125

[(Ω·mm2)/]

0. 141

[(Ω·mm2)/m]

0. 127

[(Ω·mm2)/m]

Gnìomh obair-dealain

4,39 [eV]

4.54 [eV]

4.3 [eV]

4.3 [eV]

4,5 [eV]

Ath-chriostalachadh

teòthachd

1100 ℃

1350 ℃

900-1450 ℃

850 - 1,300 °C


Ùine puist: Sultain 29-2019