Ilana kemikali
Ni
Awọn koko-ọrọ Bo
abẹlẹ
Ti iṣowo mimọ tabikekere alloy nickelri awọn oniwe-akọkọ elo ni kemikali processing ati ẹrọ itanna.
Ipata Resistance
Nitori idiwọ ipata nickel mimọ, ni pataki si ọpọlọpọ awọn kemikali idinku ati ni pataki si alkalis caustic, nickel ni a lo lati ṣetọju didara ọja ni ọpọlọpọ awọn aati kemikali, ni pataki sisẹ awọn ounjẹ ati iṣelọpọ okun sintetiki.
Awọn ohun-ini ti nickel mimọ ti iṣowo
Farawe sinickel alloys, nickel mimọ ni iṣowo ni iṣelọpọ itanna giga, iwọn otutu Curie giga ati awọn ohun-ini magnetostrictive to dara. A lo Nickel fun awọn okun waya asiwaju itanna, awọn paati batiri, thyratrons ati awọn amọna amọna.
Nickel tun ni o ni o dara gbona iba ina elekitiriki. Eyi tumọ si pe o le ṣee lo fun awọn paarọ ooru ni awọn agbegbe ibajẹ.
Table 1. Properties ofNickel 200, awọn lopo funfun ite (99.6% Ni).
| Ohun ini | Iye | |
| Agbara Fifẹ Annealed ni 20°C | 450MPa | |
| Annealed 0.2% Wahala Ẹri ni 20°C | 150MPa | |
| Ilọsiwaju (%) | 47 | |
| iwuwo | 8.89g/cm3 | |
| Yo Range | 1435-1446°C | |
| Ooru pato | 456 J/kg. °C | |
| Curie otutu | 360°C | |
| Ojulumo Permeability | Ibere | 110 |
| O pọju | 600 | |
| Ṣiṣe-mudara ti o ba jẹ Imugboroosi (20-100°C) | 13.3× 10-6m/m.°C | |
| Gbona Conductivity | 70W/m.°C | |
| Itanna Resistivity | 0.096× 10-6ohm.m | |
Ṣiṣẹda ti Nickel
Annealednickelni a kekere líle ati ti o dara ductility. Nickel, bi wura, fadaka ati bàbà, ni o ni a jo kekere iṣẹ lile oṣuwọn, ie o ko ni ṣọ lati di bi lile ati brittle nigbati o ti wa ni marun-tabi bibẹẹkọ dibajẹ bi ti ṣe julọ awọn irin miiran. Awọn abuda wọnyi, ni idapo pẹlu weldability to dara, jẹ ki irin naa rọrun lati ṣe iṣelọpọ sinu awọn ohun ti o pari.
Nickel ni Plating Chromium
A tun lo nickel nigbagbogbo bi ẹwu abẹlẹ ni fifin chromium ti ohun ọṣọ. Ọja aise, gẹgẹbi idẹ tabi simẹnti zinc tabi tite irin dì kan ni a kọkọ ṣe awo pẹlu ipele tinickelto nipọn 20µm. Eleyi yoo fun o awọn oniwe-ipata resistance. Aso ti o kẹhin jẹ 'filasi' tinrin pupọ (1-2µm) ti chromium lati fun ni awọ kan ati atako tarnish ti o jẹ igbagbogbo bi iwunilori diẹ sii ninu awọn ohun elo ti a fi palara. Chromium nikan yoo ni idiwọ ipata ti ko ṣe itẹwọgba nitori iseda la kọja gbogbo ti chromium electroplate.
tabili ohun ini
| Ohun elo | Nickel – Awọn ohun-ini, Ṣiṣẹda ati Awọn ohun elo ti Nickel Mimo Ti Iṣowo |
|---|---|
| Àkópọ̀: | > 99% Ni tabi dara julọ |
| Ohun ini | Iye Kere (SI) | Iye ti o pọju (SI) | Ẹka (SI) | Iye Kere (Imp.) | Iye ti o pọju (Imp.) | Awọn ẹya (Imp.) |
|---|---|---|---|---|---|---|
| Iwọn Atomiki (apapọ) | 0.0065 | 0.0067 | m3/kmol | 396.654 | 408.859 | ninu 3/kmol |
| iwuwo | 8.83 | 8.95 | Mg/m3 | 551.239 | 558.731 | lb/ft3 |
| Agbara Akoonu | 230 | 690 | MJ/kg | 24917.9 | 74753.7 | kcal/lb |
| Olopobobo Modul | 162 | 200 | GPA | 23.4961 | 29.0075 | 106 psi |
| Agbara titẹ | 70 | 935 | MPa | 10.1526 | 135.61 | ksi |
| Agbara | 0.02 | 0.6 | 0.02 | 0.6 | ||
| Ifilelẹ rirọ | 70 | 935 | MPa | 10.1526 | 135.61 | ksi |
| Ifarada Ifarada | 135 | 500 | MPa | 19.5801 | 72.5188 | ksi |
| Egugun Lile | 100 | 150 | MPa.m1/2 | 91.0047 | 136.507 | ksi.in1/2 |
| Lile | 800 | 3000 | MPa | 116.03 | 435.113 | ksi |
| Àdánù olùsọdipúpọ | 0.0002 | 0.0032 | 0.0002 | 0.0032 | ||
| Modul of Rupture | 70 | 935 | MPa | 10.1526 | 135.61 | ksi |
| Iye owo ti Poisson | 0.305 | 0.315 | 0.305 | 0.315 | ||
| Modulu rirẹ | 72 | 86 | GPA | 10.4427 | 12.4732 | 106 psi |
| Agbara fifẹ | 345 | 1000 | MPa | 50.038 | 145.038 | ksi |
| Modulu odo | 190 | 220 | GPA | 27.5572 | 31.9083 | 106 psi |
| Gilasi otutu | K | °F | ||||
| Latent Heat of Fusion | 280 | 310 | kJ/kg | 120.378 | 133.275 | BTU/lb |
| O pọju Service otutu | 510 | 640 | K | 458.33 | 692.33 | °F |
| Ojuami Iyo | Ọdun 1708 | Ọdun 1739 | K | 2614.73 | 2670.53 | °F |
| Kere Service otutu | 0 | 0 | K | -459.67 | -459.67 | °F |
| Ooru pato | 452 | 460 | J/kg.K | 0.349784 | 0.355975 | BTU/lb.F |
| Gbona Conductivity | 67 | 91 | W/mK | 125.426 | 170.355 | BTU.ft/h.ft2.F |
| Gbona Imugboroosi | 12 | 13.5 | 10-6/K | 21.6 | 24.3 | 10-6/°F |
| O pọju didenukole | MV/m | V/mil | ||||
| Dielectric Constant | ||||||
| Resistivity | 8 | 10 | 10-8 ohm.m | 8 | 10 | 10-8 ohm.m |
| Awọn ohun-ini Ayika | |
|---|---|
| Resistance Okunfa | 1=Ko dara 5=O tayọ |
| Flammability | 5 |
| Omi Tuntun | 5 |
| Organic solvents | 5 |
| Oxidiation ni 500C | 5 |
| Omi Okun | 5 |
| Acid to lagbara | 4 |
| Alagbara Alkalis | 5 |
| UV | 5 |
| Wọ | 4 |
| Acid ti ko lagbara | 5 |
| Alkalis alailagbara | 5 |
Orisun: Ayọkuro lati inu Iwe amudani ti Awọn ohun elo Imọ-ẹrọ, Atẹjade 5th.
Fun alaye diẹ sii lori orisun yii jọwọ ṣabẹwoIle-ẹkọ ti Awọn ohun elo Imọ-ẹrọ Australasia.
Nickel ni fọọmu ipilẹ tabi alloyed pẹlu awọn irin ati awọn ohun elo miiran ti ṣe awọn ifunni pataki si awujọ ode oni ati ṣeleri lati tẹsiwaju lati pese awọn ohun elo fun ọjọ iwaju ti n beere paapaa. Nickel nigbagbogbo jẹ irin pataki fun ọpọlọpọ awọn ile-iṣẹ lọpọlọpọ fun idi ti o rọrun pe o jẹ ohun elo ti o wapọ pupọ ti yoo ṣe alloy pẹlu ọpọlọpọ awọn irin miiran.
Nickel jẹ eroja ti o wapọ ati pe yoo ṣe alloy pẹlu ọpọlọpọ awọn irin. Awọn alloys nickel jẹ awọn alloy pẹlu nickel gẹgẹbi eroja akọkọ. Solubility pipe wa laarin nickel ati bàbà. Awọn sakani solubility jakejado laarin irin, chromium, ati nickel jẹ ki ọpọlọpọ awọn akojọpọ alloy ṣee ṣe. Iyatọ ti o ga julọ, ni idapo pẹlu ooru ti o ni iyasọtọ ati ipata ipata ti yori si lilo rẹ ni ọpọlọpọ awọn ohun elo; gẹgẹ bi awọn turbines gaasi Ofurufu, nya turbines ni agbara eweko ati awọn oniwe-sanlalu lilo ninu awọn agbara ati iparun awọn ọja.
Awọn ohun elo ati Awọn abuda ti Nickel Alloys
Nickel ati nickel alloysti wa ni lilo fun awọn oriṣiriṣi awọn ohun elo, eyiti o pọ julọ ninu eyiti o ni ipa ipata ati/tabi resistance ooru. Diẹ ninu awọn wọnyi pẹlu:
- Awọn turbines gaasi ọkọ ofurufu
- Nya tobaini agbara eweko
- Awọn ohun elo iṣoogun
- Awọn ọna agbara iparun
- Kemikali ati petrokemikali ise
- Alapapo ati Resistance awọn ẹya ara
- Isolators ati Actuators fun ibaraẹnisọrọ
- Automotive Spark plugs
- Alurinmorin consumables
- Awọn okun agbara
A nọmba ti miiranohun elo fun nickel alloysfa awọn ohun-ini alailẹgbẹ ti ara ti idi pataki-nickel tabi awọn alloys nickel giga. Iwọnyi pẹlu:
- Itanna resistance alloys
- Nickel-Chromium alloysatiNickel-Chromium-Iron alloys
- Ejò-Nickel alloysfun alapapo kebulu
- Thermocouple Alloysfun sensosi ati awọn kebulu
- Nickel Ejò alloysfun Weaving-Winting
- Asọ ti oofa alloys
- Awọn ohun elo imugboroja iṣakoso
- Alurinmorin Filler ohun elo
- Dumet wayafun Gilasi to irin asiwaju
- Nickel palara Irin
- Itanna Alloys
Akoko ifiweranṣẹ: Oṣu Kẹjọ-04-2021