Daawaha nikkel-ka naxaasta ah, kaas oo leh iska caabin koronto oo hooseeya, u adkaysta kulaylka iyo u adkaysta daxalka, si fudud loo farsamayn karo loona alxami karo rasaasta. Waxaa loo isticmaalaa in lagu sameeyo qaybaha muhiimka ah ee ku jira gudbinta kulaylka xad-dhaafka ah, jabiyaha wareegga kulaylka ee iska caabinta yar, iyo qalabka korontada. Sidoo kale waa agab muhiim u ah fiilada kuleylinta korontada.
Darajooyinka ugu muhiimsan iyo sifooyinka
| Nooca | Iska caabinta korontada (20 digriiΩ) mm²/m) | isku-darka heerkulka iska caabbinta (10^6/digrii) | Godad iyada g/mm² | Heerkulka ugu badan (°c) | Barta dhalaalaysa (°c) |
| CuNi1 | 0.03 | <1000 | 8.9 | 200 | 1085 |
| CuNi2 | 0.05 | <1200 | 8.9 | 200 | 1090 |
| CuNi6 | 0.10 | <600 | 8.9 | 220 | 1095 |
| CuNi8 | 0.12 | <570 | 8.9 | 250 | 1097 |
| CuNi10 | 0.15 | <500 | 8.9 | 250 | 1100 |
| CuNi14 | 0.20 | <380 | 8.9 | 300 | 1115 |
| CuNi19 | 0.25 | <250 | 8.9 | 300 | 1135 |
| CuNi23 | 0.30 | <160 | 8.9 | 300 | 1150 |
| CuNi30 | 0.35 | <100 | 8.9 | 350 | 1170 |
| CuNi34 | 0.40 | -0 | 8.9 | 350 | 1180 |
| CuNi40 | 0.48 | ±40 | 8.9 | 400 | 1280 |
| CuNi44 | 0.49 | <-6 | 8.9 | 400 | 1280 |
Adeegsiga fiilada daawaha nikkel-ka naxaasta ah:
1. qaybaha kululaynta
2. iska caabinta xaddidan ee hadda ee gudbinta kulaylka xad-dhaafka ah
3. jabiyaha wareegga danab-hooseeya
4. qalab danab hooseeya
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