Abubuwan maganadisu na baƙin ƙarfe simintin launin toka sun bambanta sosai, daga ƙarancin ƙarfi da ƙarfin tilastawa zuwa babban ƙarfi da ƙarancin tilastawa. Waɗannan canje-canjen sun dogara ne akan ƙayyadaddun tsarin simintin ƙarfe mai launin toka. Ƙara abubuwan haɗakarwa don samun abubuwan da ake buƙata na magnetic ana samun su ta hanyar canza tsarin launin tokajefa baƙin ƙarfe simintin gyaran kafa.
| Abubuwan Magnetic na Ƙarfin Simintin Ruwa na Grey | |||||||
| Code of Grey Iron | Haɗin Sinadari (%) | ||||||
| C | Si | Mn | S | P | Ni | Cr | |
| A | 3.12 | 2.22 | 0.67 | 0.067 | 0.13 | 0.03 | 0.04 |
| B | 3.30 | 2.04 | 0.52 | 0.065 | 1.03 | 0.34 | 0.25 |
| C | 3.34 | 0.83 - 0.91 | 0.20 - 0.33 | 0.021 - 0.038 | 0.025 - 0.048 | 0.04 | 0.02 |
| Abubuwan Magnetic | A | B | C | ||||
| Pearlite | Ferrite | Pearlite | Ferrite | Pearlite | Ferrite | ||
| Carbon Carbon w(%) | 0.70 | 0.06 | 0.77 | 0.11 | 0.88 | / | |
| Rayuwa / T | 0.413 | 0.435 | 0.492 | 0.439 | 0.5215 | 0.6185 | |
| Ƙarfin Ƙarfi / A•m-1 | 557 | 199 | 716 | 279 | 637 | 199 | |
| Asarar Hysteresis / J•m-3•Hz-1 (B=1T) | 2696 | -696 | 2729 | 1193 | 2645 | 938 | |
| Ƙarfin Filin Magnetic / kA•m-1 (B=1T) | 15.9 | -5.9 | 8.7 | 8.0 | 6.2 | 4.4 | |
| Max. Ƙarfin Magnetic / μH•m-1 | 396 | 1960 | 353 | 955 | 400 | 1703 | |
| Ƙarfin Filin Magnetic lokacin Max. Lalacewar Magnetic / A•m-1 | 637 | 199 | 1035 | 318 | 1114 | 239 | |
| Resistivity / μΩ•m | 0.73 | 0.71 | 0.77 | 0.75 | 0.42 | 0.37 | |
Ferrite yana da babban ƙarfin maganadisu da ƙananan asarar hysteresis; pearlite ne kawai akasin haka, yana da ƙarancin ƙarfin maganadisu da babban asarar hysteresis. An kafa Pearlite zuwa cikin ferrite ta hanyar kawar da maganin zafi, wanda zai iya ƙara ƙarfin maganadisu da sau huɗu. Girman hatsin ferrite na iya rage asarar hysteresis. Kasancewar siminti zai rage yawan haɓakar haɓakar maganadisu, haɓakawa da haɓakawa, yayin haɓaka haɓakar haɓakawa da asarar hysteresis. Kasancewar m graphite zai rage remanence. Canjin daga zane mai zane-zane (mai zane-zanen hoto wanda aka rarraba shi ba tare da wata hanya ba) zuwa ga rarraba maganganu da kuma karfi mai ƙarfi .
Kafin isa ga yanayin zafin da ba na maganadisu ba, hawan zafin jiki yana ƙaruwa da ƙarfin ƙarfin maganadisu na baƙin ƙarfe simintin toka. Matsayin Curie na ƙarfe mai tsafta shine α-γ zafin jiki na 770°C. Lokacin da yawan adadin silicon ya kasance 5%, ma'anar Curie zai kai 730 ° C. Matsakaicin yanayin Curie na siminti ba tare da silicon ba shine 205-220 ° C.
Tsarin matrix na nau'ikan simintin simintin simintin gyare-gyaren da aka saba amfani da shi na baƙin ƙarfe mai launin toka shine galibi pearlite, kuma iyakar iyawarsu shine tsakanin 309-400 μH/m.
Lokacin aikawa: Afrilu-17-2021