NI90Cr10, wanda aka fi sani da Nichrome 90 ko NiCr 90/10, wani ƙarfe ne mai aiki sosai wanda ke ba da kyakkyawan juriya ga yanayin zafi mai yawa da tsatsa. Yana da wurin narkewa mai ƙarfi na kusan 1400°C (2550°F) kuma yana iya kiyaye ƙarfi da kwanciyar hankali ko da a yanayin zafi sama da 1000°C (1832°F).
Ana amfani da wannan ƙarfe a aikace-aikace da ke buƙatar abubuwan dumama, kamar a cikin tanderun masana'antu, tanda, da kayan dumama. Haka kuma ana amfani da shi wajen samar da thermocouples, waɗanda ake amfani da su don auna zafin jiki a cikin ayyukan masana'antu daban-daban.
NI90Cr10 yana da kyakkyawan juriya ga iskar shaka, wanda hakan ke sa ya zama da amfani musamman a yanayin zafi mai yawa inda wasu kayan za su lalace da lalacewa cikin sauri. Hakanan yana da kyawawan halaye na injiniya, kamar ƙarfin juriya mai yawa da kuma kyakkyawan juriya, wanda ke sauƙaƙa samuwarsa da siffanta shi.
Idan ana maganar bututun da aka yi da wannan ƙarfe, yawanci ana amfani da su ne a aikace-aikace inda yanayin zafi mai yawa da na lalata suke, kamar a masana'antar sarrafa sinadarai, sinadarai na petrochemical, da samar da wutar lantarki. Takamaiman halayen bututun, kamar girmansa, kauri na bango, da kuma matsi, zai dogara ne akan amfanin da aka yi niyya da kuma takamaiman buƙatun aikin.
| Kayan Aiki\ | Cr10Ni90 | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | |
| Tsarin aiki | Ni | 90 | Hutu | Hutu | 55.0~61.0 | 34.0~37.0 | 30.0~34.0 |
| Cr | 10 | 20.0~23.0 | 28.0~31.0 | 15.0~18.0 | 18.0~21.0 | 18.0~21.0 | |
| Fe | ≤1.0 | ≤1.0 | Hutu | Hutu | Hutu | ||
| Matsakaicin zafin jiki°C | 1300 | 1200 | 1250 | 1150 | 1100 | 1100 | |
| Wurin narkewa ºC | 1400 | 1400 | 1380 | 1390 | 1390 | 1390 | |
| Yawan g/cm3 | 8.7 | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
| Juriyar yanayi a 20ºC((μΩ·m) | 1.09±0.05 | 1.18±0.05 | 1.12±0.05 | 1.00±0.05 | 1.04±0.05 | ||
| Ƙarawa a lokacin fashewa | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | |
| Takamaiman zafi J/g.ºC | 0.44 | 0.461 | 0.494 | 0.5 | 0.5 | ||
| Maida wutar lantarki ta thermal KJ/m.hºC | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | ||
| Faɗaɗa layukan layuka a×10-6/ (20~1000ºC) | 18 | 17 | 17 | 19 | 19 | ||
| Tsarin micrographic | Austenite | Austenite | Austenite | Austenite | Austenite | ||
| Sifofin maganadisu | Ba maganadisu ba | Ba maganadisu ba | Ba maganadisu ba | Mai rauni mai maganadisu | Mai rauni mai maganadisu | ||
Ana amfani da bututun NI90Cr10 a aikace-aikace inda yanayin zafi mai yawa da lalata suke, kamar a masana'antar sarrafa sinadarai, sinadarai na petrochemical, da samar da wutar lantarki. Waɗannan bututun an san su da kyakkyawan juriya ga iskar shaka da tsatsa, wanda hakan ya sa suka dace da amfani a muhallin da ke ɗauke da maganin acidic ko alkaline. Wasu daga cikin takamaiman aikace-aikacen bututun NI90Cr10 sun haɗa da:
Takamaiman halayen bututun NI90Cr10, kamar girmansu, kauri na bango, da kuma matsi, zai dogara ne akan amfanin da aka yi niyya da kuma takamaiman buƙatun aikin. Ana iya keɓance bututun don biyan takamaiman buƙatun aikace-aikacen, kamar yanayin zafin jiki da matsin lamba da ake buƙata, nau'in ruwa ko iskar gas, da yanayin muhalli. Gabaɗaya, haɗin keɓantaccen juriyar zafi mai yawa, ƙarfin injina, da juriyar tsatsa ya sa bututun NI90Cr10 ya zama abu mai mahimmanci ga aikace-aikacen da yawa masu inganci a masana'antu daban-daban.
150 0000 2421