Kigezo cha Commom cha Molybdenum Tungsten Tatanlum Niobium

Molybdenum

Tungsten

Tatanlum

Niobium

Chromium

Ugumu (20℃)

Kupunguza msongo wa mawazo kumezuiliwa:>

220 (HV10)

iliyosasishwa upya>160 – 180[HV10]

kupunguza msongo wa mawazo:>460(HV30)

iliyosasishwa upya (360 (HV30)

kasoro: 120 - 220 [HV10]

iliyofanywa upya: 80 - 125[HV10]

iliyolemazwa: 110 - 180 [HV10] iliyofanywa upya: 60 - 110[HV10]

180 - 250 [HV10]

Moduli ya elasticity (20 ℃)

320 [GPA]

405 [GPA]

186 [GPA]

104 [GPA]

294 [GPA]

Mgawo wa upanuzi wa laini ya mafuta (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)]

Uendeshaji wa joto (20 ℃)

142 [W/(m ·K)]

164

[W/(m·K)]

57.5

[W/(m·K)]

53.7

[W/(m·K)]

93.7

[W/(m·K)]

Joto mahususi (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)]

Uendeshaji wa umeme (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)]

Upinzani maalum wa umeme (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]

Kazi ya kazi ya elektroni

4,39 [eV]

4.54 [eV]

4.3 [eV]

4.3 [eV]

4,5 [eV]

Urekebishaji upya

joto

1100 ℃

1350 ℃

900-1450 ℃

850 - 1,300 °C


Muda wa kutuma: Sep-29-2019