DIN 17745 4j36 Invar Alloy Wire Low Expansion Alloy Feni36 Waya
4J36 (Invar) ti wa ni lilo nibiti o nilo iduroṣinṣin onisẹpo giga, gẹgẹbi awọn ohun elo konge, awọn aago, awọn wiwọn jigijigi, awọn fireemu iboju ojiji tẹlifisiọnu, awọn falifu ninu awọn mọto, ati awọn iṣọ antimagnetic. Ninu iwadi ilẹ, nigbati aṣẹ-akọkọ (pipe-giga) ipele igbega ni lati ṣe, oṣiṣẹ Ipele (ọpa ipele) ti a lo jẹ tiInvar, dipo igi, gilaasi, tabi awọn irin miiran. Invar struts ni a lo ni diẹ ninu awọn pistons lati ṣe idinwo imugboroja igbona wọn ninu awọn silinda wọn.
4J36 lo alurinmorin oxyacetylene, itanna arc alurinmorin, alurinmorin ati awọn ọna alurinmorin miiran. Niwọn bi olusọdipúpọ ti imugboroosi ati akopọ kemikali ti alloy jẹ ibatan yẹ ki o yago fun nitori alurinmorin fa iyipada ninu akopọ alloy, o dara julọ lati lo Argon arc alurinmorin awọn irin kikun awọn irin ni pataki ni 0.5% si 1.5% titanium, lati le din weld porosity ati kiraki.
| Imugboroosi Iṣakoso ati Gilasi Igbẹhin Alloys | |||
| German boṣewa nọmba | Orukọ iṣowo | DIN | UNS |
| 1.3912 | Alloy 36 | Ọdun 17745 | K93600/93601 |
| 1.3917 | Alloy 42 | Ọdun 17745 | K94100 |
| 1.3922 | Aloy 48 | Ọdun 17745 | K94800 |
| 1.3981 | Pernifer2918 | Ọdun 17745 | K94610 |
| 2.4478 | NiFe 47 | Ọdun 17745 | N14052 |
| 2.4486 | NiFe47Cr | Ọdun 17745 | - |
Akopọ deede%
| Ni | 35 ~ 37.0 | Fe | Bal. | Co | - | Si | ≤0.3 |
| Mo | - | Cu | - | Cr | - | Mn | 0.2 ~ 0.6 |
| C | ≤0.05 | P | ≤0.02 | S | ≤0.02 |
olùsọdipúpọ ti imugboroosi
| θ/ºC | α1/10-6ºC-1 | θ/ºC | α1/10-6ºC-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 | 11.0 |
Awọn ohun-ini Aṣoju ti ara
| Ìwúwo (g/cm3) | 8.1 |
| Agbara itanna ni 20ºC(OMmm2/m) | 0.78 |
| Iwọn otutu ti resistivity (20ºC ~ 200ºC) X10-6/ºC | 3.7 ~ 3.9 |
| Imudara igbona, λ/ W/(m*ºC) | 11 |
| Ojuami Curie Tc/ºC | 230 |
| Modulu rirọ, E/Gpa | 144 |
| Ilana itọju ooru | |
| Annealing fun wahala iderun | Kikan si 530 ~ 550ºC ki o si mu 1 ~ 2 wakati. Tutu si isalẹ |
| annealing | Ni ibere lati se imukuro lile, eyi ti o wa ni mu jade ni tutu-yiyi, tutu iyaworan ilana. Annealing nilo kikan si 830 ~ 880ºC ni igbale, di 30 min. |
| Ilana imuduro |
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| Àwọn ìṣọ́ra |
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Aṣoju Mechanical-ini
| Agbara fifẹ | Ilọsiwaju |
| Mpa | % |
| 641 | 14 |
| 689 | 9 |
| 731 | 8 |
Iwọn otutu ifosiwewe ti resistivity
| Iwọn iwọn otutu, ºC | 20-50 | 20 ~ 100 | 20-200 | 20-300 | 20-400 |
| AR/ 103 *ºC | 1.8 | 1.7 | 1.4 | 1.2 | 1.0 |
