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Bismuth Irin

Apejuwe kukuru:

Bismuth jẹ irin brittle kan pẹlu funfun kan, awọ fadaka-Pink ati pe o jẹ iduroṣinṣin ni gbigbẹ mejeeji ati afẹfẹ tutu ni awọn iwọn otutu lasan.Bismuth ni ọpọlọpọ awọn lilo ti o lo anfani awọn ohun-ini alailẹgbẹ rẹ gẹgẹbi kii ṣe majele, aaye yo kekere, iwuwo, ati awọn ohun-ini irisi.


Alaye ọja

ọja Tags

Ọja paramita

Bismuth irin boṣewa tiwqn

Bi

Cu

Pb

Zn

Fe

Ag

As

Sb

lapapọ aimọ

99.997

0.0003

0.0007

0.0001

0.0005

0.0003

0.0003

0.0003

0.003

99.99

0.001

0.001

0.0005

0.001

0.004

0.0003

0.0005

0.01

99.95

0.003

0.008

0.005

0.001

0.015

0.001

0.001

0.05

99.8

0.005

0.02

0.005

0.005

0.025

0.005

0.005

0.2

Awọn ohun-ini Bismuth Ingot (Imọ-jinlẹ)

Òṣuwọn Molikula 208.98
Ifarahan ṣinṣin
Ojuami Iyo 271,3 °C
Ojuami farabale 1560 °C
iwuwo 9,747 g / cm3
Solubility ni H2O N/A
Itanna Resistivity 106,8 microhm-cm @ 0 °C
Electronegativity 1.9 Paulings
Ooru ti Fusion 2.505 Cal / gm mole
Ooru ti Vaporization 42.7 K-Cal/gm atomu ni 1560 °C
Iye owo ti Poisson 0.33
Ooru pato 0.0296 Cal/g/K @ 25 °C
Agbara fifẹ N/A
Gbona Conductivity 0.0792 W/cm/ K @ 298.2 K
Gbona Imugboroosi (25°C) 13.4µmm·m-1· K-1
Vickers Lile N/A
Modulu odo 32 GPA

Bismuth jẹ funfun fadaka si irin Pink, eyiti a lo ni akọkọ lati mura awọn ohun elo semikondokito, awọn agbo ogun bismuth mimọ-giga, awọn ohun elo firiji thermoelectric, awọn olutaja ati awọn gbigbe omi itutu agbaiye ni awọn reactors iparun, ect.Bismuth waye ni iseda bi irin ọfẹ ati nkan ti o wa ni erupe ile.

Ẹya ara ẹrọ

1.High-purity bismuth ti wa ni o kun lo ninu iparun ile ise, Aerospace ile ise, Electronics ile ise ati awọn miiran apa.

2.Since bismuth ni awọn ohun-ini semiconducting, resistance rẹ dinku pẹlu iwọn otutu ti o pọ si ni awọn iwọn kekere.Ni thermocooling ati thermoelectric iran agbara, Bi2Te3 ati Bi2Se3 alloys ati Bi-Sb-Te ternary alloys fa ifojusi julọ.In-Bi alloy ati Pb-Bi alloy jẹ awọn ohun elo ti o ga julọ.

3.Bismuth ni aaye yo kekere, iwuwo giga, titẹ agbara kekere, ati apakan agbekọja gbigbe neutroni kekere, eyiti o le ṣee lo ni awọn olutọpa atomiki giga-giga.

Ohun elo

1. O ti wa ni o kun lo lati mura yellow semikondokito ohun elo, thermoelectric refrigeration ohun elo, solders ati omi itutu ẹjẹ ni iparun reactors.

2.Used fun ngbaradi semikondokito awọn ohun elo ti o ga-mimọ ati awọn agbo ogun bismuth ti o ga julọ.Ti a lo bi itutu ni awọn reactors atomiki.

3. O ti wa ni o kun lo ninu oogun, kekere yo ojuami alloy, fiusi, gilasi ati awọn ohun elo amọ, ati ki o jẹ tun kan ayase fun roba gbóògì.


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