Vacon 12Waya ya Aloi ya Kuziba Kioo ya Fe-Ni-CoKovarWaya ya Aloi
(Jina la kawaida: Kovar,Nilo K, KV-1, Dilver Po, Vacon 12)
Vipimo:Karatasi/Bamba, Upau/Fimbo/Waya/Koili, Kapilari/Bomba/Mrija
Safu ya Ukubwa:
—*Karatasi_Unene 0.1mm ~ 40.0mm, upana: ≤ 300mm, Hali: baridi iliyoviringishwa (moto), angavu, iliyofunikwa kwa ukali
—*MzungukoWire_Dia 0.1mm ~ Dia 5.0mm, Hali: Imechorwa kwa baridi, angavu, imepakwa annealed
—*Waya Bapa_Kiwango 0.5mm ~Kiwango 5.0mm, urefu: ≤1000mm, Hali: imeviringishwa tambarare, imebandikwa kwa nguvu
—*Baa_Kiwango 5.0mm ~Kiwango 8.0mm,urefu:≤2000mm,Hali:inayochorwa baridi, angavu, iliyofunikwa kwa anneal
Kipenyo 8.0mm ~ Kipenyo 32.0mm, urefu: ≤2500mm, Hali: imeviringishwa moto, angavu, imefunikwa kwa ukali
Kipenyo cha 32.0mm ~ Kipenyo cha 180.0mm, urefu: ≤1300mm, Hali: uundaji moto, umevuliwa, umegeuzwa, umetibiwa moto
—*Kapilari_OD 8.0mm~1.0mm, Kitambulisho 0.1mm~8.0mm, urefu: ≤2500mm, Hali: imechorwa baridi, angavu, imepakwa anneal
—*Bomba_OD 120mm~8.0mm, Kitambulisho 8.0mm~129mm, urefu: ≤4000mm, Hali: imechorwa baridi, angavu, imepakwa anneal
Maombi:
Hutumika sana katika vipengele vya utupu wa umeme na udhibiti wa uzalishaji, bomba la mshtuko, bomba la kuwasha, sumaku ya glasi, transistors, plagi ya muhuri, relay, risasi za saketi zilizojumuishwa, chasi, mabano na muhuri mwingine wa nyumba.
Muundo wa kawaida%
| Ni | 28.5~29.5 | Fe | Bal. | Co | 16.8~17.8 | Si | ≤0.3 |
| Mo | ≤0.2 | Cu | ≤0.2 | Cr | ≤0.2 | Mn | ≤0.5 |
| C | ≤0.03 | P | ≤0.02 | S | ≤0.02 |
Nguvu ya Kunyumbulika, MPa
| Kanuni ya masharti | Hali | Waya | Ukanda |
| R | Laini | ≤585 | ≤570 |
| 1/4I | 1/4 Ngumu | 585~725 | 520~630 |
| 1/2I | 1/2 Ngumu | 655~795 | 590~700 |
| 3/4I | 3/4 Ngumu | 725~860 | 600~770 |
| I | Ngumu | ≥850 | ≥700 |
| Uzito (g/cm3) | 8.2 |
| Upinzani wa umeme katika 20ºC(Ωmm2/m2) | 0.48 |
| Kipengele cha halijoto cha kutostahimili (20ºC~100ºC)X10-5/ºC | 3.7~3.9 |
| Pointi ya Curie Tc/ºC | 430 |
| Moduli ya Elastic, E/ Gpa | 138 |
Mgawo wa upanuzi
| θ/ºC | α1/10-6ºC-1 | θ/ºC | α1/10-6ºC-1 |
| 20~60 | 7.8 | 20~500 | 6.2 |
| 20~100 | 6.4 | 20~550 | 7.1 |
| 20~200 | 5.9 | 20~600 | 7.8 |
| 20~300 | 5.3 | 20~700 | 9.2 |
| 20~400 | 5.1 | 20~800 | 10.2 |
| 20~450 | 5.3 | 20~900 | 11.4 |
Upitishaji wa joto
| θ/ºC | 100 | 200 | 300 | 400 | 500 |
| λ/ W/(m*ºC) | 20.6 | 21.5 | 22.7 | 23.7 | 25.4 |
| Mchakato wa matibabu ya joto | |
| Kunyoosha kwa ajili ya kupunguza msongo wa mawazo | Imepashwa moto hadi 470~540ºC na ishikilie kwa saa 1~2. Baridi |
| upanuzi | Katika ombwe lililopashwa joto hadi 750 ~ 900ºC |
| Muda wa kushikilia | Dakika 14~saa 1. |
| Kiwango cha kupoeza | Haizidi 10 ºC/dakika iliyopozwa hadi 200 ºC |
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