Daidaiton ƙarfe na FeNi Nickel 0.5mmWaya Invar 36don Kayan Aiki na Daidaita Hatimi
INVAR 36ƙarfe ne mai ƙarancin faɗaɗawa wanda ke ɗauke da nickel 36%. Yana riƙe da kusan daidaito Girman da ke tsakanin yanayin zafi na yau da kullun, kuma yana da ƙarancin faɗuwa daga yanayin zafi mai ƙarfi zuwa kusan 500° F. Haka kuma ƙarfen yana riƙe da ƙarfi da tauri mai kyau a yanayin zafi mai ƙarfi.
INVAR 36za a iya samar da shi da zafi da sanyi kuma a yi amfani da shi ta hanyar amfani da hanyoyin da suka yi kama da
Ana iya haɗa INVAR 36 ta amfani da Filler Metal CF36 wanda aka yi da ƙarfe mai kauri.
akwai a cikin waya mara waya don tsarin GTAW da GMAW.
Sinadarin sinadarai
| abun da ke ciki | % | Fe | Ni | Mn | C | P | S | SI |
| abun ciki | minti | Bal | 35.0 | 0.2 | ||||
| matsakaicin | 37.0 | 0.6 | 0.05 | 0.02 | 0.02 | 0.3 |
halayen jiki
| Yawan yawa (g/cm3) 8.1 |
| Juriyar wutar lantarki a 20ºC(mm2/m) 0.78 |
| Yanayin zafin jiki na resistivity (20ºC ~ 200ºC) X10-6/ºC 3.7 ~ 3.9 |
| Lantarkin zafi, λ/ W/(m*ºC) 11 |
| Ma'aunin Curie Tc/ ºC 230 |
| Modulus Mai Ragewa, E/ Gpa 144 |
| Wurin narkewa ºC 1430 |
Faɗaɗawa mai yawa
| 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 |
Al'adar Injin da ta dace
| Ƙarfin Taurin Kai | Ƙarawa |
| Mpa | % |
| 641 | 14 |
| 689 | 9 |
| 731 | 8 |
Ma'aunin zafin jiki naRjuriya
| Matsakaicin zafin jiki, ºC | 20~50 | 20~100 | 20~200 | 20~300 | 20~400 |
| aR/ 103 *ºC | 1.8 | 1.7 | 1.4 | 1.2 | 1.0 |
| Tsarin maganin zafi | |
| Maganin rage damuwa don rage damuwa | An dumama shi zuwa 530 ~ 550ºC kuma a riƙe na tsawon awanni 1 ~ 2. Sanyaya ƙasa |
| rage zafi | Domin kawar da tauri, wanda za a fitar a cikin tsarin zane mai sanyi da sanyi. Ana buƙatar a dumama shi zuwa 830 ~ 880ºC a cikin injin tsabtace iska, a riƙe na minti 30. |
| Tsarin daidaitawa | A cikin kayan kariya kuma an dumama shi zuwa 830 ºC, a riƙe na minti 20. ~ awa 1, a kashe. Saboda damuwar da ake samu daga kashe wutar, an dumama ta zuwa 315ºC, a riƙe awanni 1-4. |
| Matakan kariya | Ba za a iya taurare ta hanyar maganin zafi ba Maganin saman zai iya zama gogewa, gogewa ko kuma yin pickling. Ana iya amfani da sinadarin ƙarfe mai kashi 25% na hydrochloric acid a zafin jiki na 70 ºC don share saman da aka yi wa oxidized |
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