I-Uns K93600 I-InvarI-36 Ribbon Precision Expansion Alloy Flat Wire
(Igama Elivamile: Invar, FeNi36, Invar Standard, Vacodil36)
4J36 (I-Invar), eyaziwa nangokuthi i-FeNi36 (64FeNi e-US), iyi-alloy ye-nickel-iron ephawulekayo nge-coefficient yayo ephansi kakhulu yokwanda kokushisa (i-CTE noma i-α).
I-4J36 (Invar) isetshenziswa lapho kudingeka khona ukuzinza okuphezulu, njengezinsimbi zokucacisa, amawashi, ama-seismic creep gauges, ozimele be-shadow-mask kamabonakude, ama-valve kuma-motor, kanye namawashi alwa ne-magnetic. Ekuhlolweni komhlaba, lapho kufanele kwenziwe i-first-order (high-precision) elevation leveling leaving, i-Level staff (induku yokuleveli) esetshenziswayo yenziwe nge-Invar, esikhundleni sokhuni, i-fiberglass, noma ezinye izinsimbi. Ama-Invar struts asetshenziswa kwamanye ama-piston ukuze anciphise ukwanda kwawo kokushisa ngaphakathi kwama-cylinder awo.
I-4J36 isebenzisa ukushisela kwe-oxyacetylene, ukushisela kwe-arc kagesi, ukushisela kanye nezinye izindlela zokushisela. Njengoba i-coefficient yokwanda kanye nokwakheka kwamakhemikhali kwe-alloy kuhlobene kufanele kugwenywe ngenxa yokuthi ukushisela kubangela ushintsho ekwakhekeni kwe-alloy, kungcono ukusebenzisa i-Argon arc welding welding filler metals okungcono ukuthi iqukethe i-titanium engu-0.5% kuya ku-1.5%, ukuze kuncishiswe ukugoba kwe-weld kanye nokuqhekeka.
Ukwakheka okuvamile%
| Ni | 35~37.0 | Fe | Ibhalansi. | Co | - | Si | ≤0.3 |
| Mo | - | Cu | - | Cr | - | Mn | 0.2~0.6 |
| C | ≤0.05 | P | ≤0.02 | S | ≤0.02 |
Isilinganiso sokunwetshwa
| 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 |
| Ubuningi (g/cm3) | 8.1 |
| Ukumelana kukagesi ku-20ºC(OMmm2/m) | 0.78 |
| Ithempelesha yokumelana nengcindezi(20ºC~200ºC)X10-6/ºC | 3.7~3.9 |
| Ukushisa, λ/ W/(m*ºC) | 11 |
| Iphuzu le-Curie Tc/ºC | 230 |
| I-Elastic Modulus, E/ Gpa | 144 |
| Inqubo yokwelapha ukushisa | |
| Ukuhlanza ukucindezeleka | Kushiswe kufike ku-530~550ºC bese ubamba ihora eli-1~2. Kubanda |
| ukubopha | Ukuze kuqedwe ukuqina, okumele kukhishwe ngenqubo yokudonsa ebandayo negoqiwe. Ukufaka i-Annealing kudinga ukushiswa kufikela ku-830 ~ 880ºC ku-vacuum, gcina imizuzu engama-30. |
| Inqubo yokuzinzisa |
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| Izinyathelo zokuzivikela |
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Izakhiwo Ezijwayelekile Zemishini
| Amandla Okudonsa | Ukwelulwa |
| I-Mpa | % |
| 641 | 14 |
| 689 | 9 |
| 731 | 8 |
Isici sokushisa sokumelana
| Ibanga lokushisa, ºC | 20~50 | 20~100 | 20~200 | 20~300 | 20~400 |
| aR/ 103 *ºC | 1.8 | 1.7 | 1.4 | 1.2 | 1.0 |
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