Alloy-4J29 kii ṣe imugboroja igbona nikan ti o jọra si gilasi, ṣugbọn ọna imugboroja igbona ti kii ṣe deede le ṣee ṣe nigbagbogbo lati baamu gilasi kan, nitorinaa ngbanilaaye apapọ lati fi aaye gba iwọn otutu jakejado. Kemikali, o sopọ si gilasi nipasẹ agbedemeji oxide Layer ti nickel oxide ati koluboti oxide; ipin ti irin oxide jẹ kekere nitori idinku rẹ pẹlu koluboti. Agbara mnu jẹ igbẹkẹle pupọ lori sisanra Layer oxide ati ihuwasi. Iwaju koluboti jẹ ki Layer oxide rọrun lati yo ati tu ninu gilasi didà. A grẹy kan, grẹy-bulu tabi awọ alawọ-brown ṣe afihan edidi ti o dara kan. Awọ ti fadaka tọkasi aini ohun elo afẹfẹ, lakoko ti awọ dudu n tọka si irin ti o ni oxidized pupọju, ni awọn ọran mejeeji ti o yori si apapọ alailagbara.
Ohun elo:Ni akọkọ ti a lo ninu awọn paati igbale ina ati iṣakoso itujade, tube mọnamọna, tube igniting, magnetron gilaasi, transistors, plug seal, yii, itọsọna awọn iyika iṣọpọ, ẹnjini, awọn biraketi ati lilẹ ile miiran.
Akopọ deede%
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 |
Agbara Agbara, MPa
Koodu ipo | Ipo | Waya | Sisọ |
R | Rirọ | ≤585 | ≤570 |
1/4I | 1/4 Lile | 585-725 | 520-630 |
1/2I | 1/2 Lile | 655-795 | 590-700 |
3/4I | 3/4 Lile | 725-860 | 600-770 |
I | Lile | ≥850 | ≥700 |
Ìwúwo (g/cm3) | 8.2 |
Agbara itanna ni 20ºC(Ωmm2/m) | 0.48 |
Iwọn otutu ti resistivity (20ºC ~ 100ºC) X10-5/ºC | 3.7 ~ 3.9 |
Ojuami Curie Tc/ºC | 430 |
Modulu rirọ, E/Gpa | 138 |
olùsọdipúpọ ti imugboroosi
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 |
Gbona elekitiriki
θ/ºC | 100 | 200 | 300 | 400 | 500 |
λ/ W/(m*ºC) | 20.6 | 21.5 | 22.7 | 23.7 | 25.4 |
Ilana itọju ooru | |
Annealing fun wahala iderun | Kikan si 470 ~ 540ºC ki o si mu 1 ~ 2 wakati. Tutu si isalẹ |
annealing | Ni igbale kikan si 750 ~ 900ºC |
Akoko idaduro | 14 min ~ 1 wakati. |
Oṣuwọn itutu agbaiye | Ko si ju 10ºC / iṣẹju kan tutu si 200ºC |