Waea Nikara Rino Koranu Tika Invar/ Vacodil36/ Feni36 mō te Hiri Karāhe
Invar/ Vacodil36/Feni36Waea mō te Hiri Karāhe
Whakarōpūtanga: tauwehenga iti o te koranu whakawhānui wera
Taupānga:Invare whakamahia ana i ngā wāhi e hiahiatia ana te pumau o ngā āhuatanga, pērā i ngā taputapu tino tika, ngā karaka, ngā ine ngoki rū whenua, ngā anga ārai-ataata pouaka whakaata, ngā takirere i roto i ngā motuka, me ngā mataaratanga ārai-aukume. I roto i te ruri whenua, ina mahia te whakataurite teitei o te raupapa tuatahi (tino tika), ko ngā tokotoko whakataurite e whakamahia ana he mea hanga ki te Invar, kaua ki te rakau, ki te muka karāhe, ki ētahi atu konganuku rānei. I whakamahia ngā pou Invar i roto i ētahi piston hei whakawhāiti i tō rātou whakawhānui wera i roto i ō rātou rango.
Te Hanganga Matū i roto i te %, Invar
| Ni 35-37% | Fe . | C 0.05% | Si 0.3% | Mn 0,3-0,6 % | S 0.015% |
| P 0.015% | Mo 0.1% | V 0.1% | Al 0.1% | Cu 0.1% | Cr 0,15 % |
Ngā pūmau ā-tinana taketake me ngā āhuatanga ā-pūkaha o te koranu:
Kiato: γ = 8,1 g / cm3;
Ātete hiko: ρ = 0,78 ohm mm2 ? / m;
Te pāmahana o te pūwāhi Curie: Θs = 230 °C;
Te tauwehenga o te ngāwari E = 144 kN / mm2;
Tau whakawhanui rārangi a1 (20-100 ºC) ≤1,5 * 10-6 ºC -1
| Awhe Pāmahana/ºC | 1/10-6ºC-1 | Awhe Pāmahana/ºC | 1/10-6ºC-1 |
| 20~-60 | 1.8 | 20~250 | 3.6 |
| 20~-40 | 1.8 | 20~300 | 5.2 |
| 20~-20 | 1.6 | 20~350 | 6.5 |
| 20~0 | 1.6 | 20~400 | 7.8 |
| 20~50 | 1.1 | 20~450 | 8.9 |
| 20~100 | 1.4 | 20~500 | 9.7 |
| 20~150 | 1.9 | 20~550 | 10.4 |
| 20~200 | 2.5 | 20~600 | 11 |
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