Faɗin aikace-aikace
Tare da kyawawan kaddarorinsa na zahiri da fa'idodin tattalin arziki masu mahimmanci.irin ductilesannu a hankali yana zama kayan zaɓi a fannonin masana'antu da yawa, yana maye gurbin kayan gargajiya kamar ƙarfe na jabu, ƙarfe mai hatimi, weldments, ƙarfe na simintin malleable,launin toka simintin ƙarfeda jefa karfe. A cikin Amurka, wannan yanayin ya fito fili. Ƙarfin ƙarfe ya mamaye wani muhimmin kaso na kasuwa kuma ya sami nasarar maye gurbin nau'ikan nau'ikan kayan da aka ambata a sama, yana nuna yuwuwar aikace-aikacensa mara misaltuwa da gasa na kasuwa.
| Filin Aikace-aikace | Yawan Castings a cikin Ƙarfin Ductile | Halayen Aiki | Daraja |
| Ruwa, iskar gas da bututun mai | Simintin gyare-gyare na bututu da kayan aiki, tare da diamita ƙasa da ko daidai da 2600 mm | Juriya na matsin lamba, juriya na lalata, juriyar girgizar ƙasa da juriya na ƙasa | |
| Motoci, tarakta | Crankshaft, camshaft, haɗa sanda, kaya, tuki axle gidaje, ma'auni shaft sashi, bambancin gidaje, da dai sauransu. | Mai jurewa sawa, mai jurewa gajiya, ƙarfi mai ƙarfi da tauri, mai iya jure nauyin tasiri a -40°C | QT900-2 QT800-2 QT700-2 QT600-3 QT400-8 QT450-10 |
| Jirgin ruwa, locomotives, injin dizal | Crankshaft, haɗa sanda, camshaft, kaya, Silinda liner | Jurewa sawa, juriya ga gajiya, ƙarfin ƙarfi | QT900-2 QT800-2 QT700-2 QT600-3 |
| Injin noma | Wuraren garma da na'ura ke tukawa, harrows ɗin injin, murfi, masu girbi, masu gadin ruwa, gears | Babban tauri, tasiri juriya na lodi | QT400-15 QT450-10 QT500-7 |
| Na'ura mai aiki da karfin ruwa sassa | Bawul jiki, famfo jiki | Mai juriya da juriya da sawa | QT400-15 QT450-10 |
| Mai ɗagawa | Gears, shafts, ƙafafun crane | Mai jurewa sawa, ƙarfin ƙarfi | QT900-2 QT800-2 QT700-2 QT600-3 |
Binciken abun da ke ciki na samarwa
Daga hangen nesa na tsarin samarwa, samar da ƙarfe na ductile ya mamaye matrix ferrite, yana lissafin 60% na jimlar fitarwa, yayin da matrix pearlite ya bi a baya kuma ya mamaye wani wuri. Bugu da kari, gauraye matrix na ferrite da pearlite shima yana da adadi mai yawa. Uku tare suna lissafin kusan kashi 95% na duk samar da ƙarfe na ductile, yana nuna babban matsayi na waɗannan matrices guda biyu a cikin samar da baƙin ƙarfe.
Kyakkyawan bincike na kayan aikin injiniya
Babban dalilin da ya sa ductile baƙin ƙarfe zai iya ficewa a tsakanin kayan da yawa ya ta'allaka ne a cikin kayan aikin injiniya na musamman. Ba shi da ma'anar yawan amfanin ƙasa a ma'anar gargajiya, kuma ƙwanƙwasa-danniya yana nuna ci gaba da halayen gradient sama da iyaka. Wannan sifa ta samo asali ne daga halayen musamman na ƙwallan graphite a ƙarƙashin damuwa: lokacin da damuwa ya wuce iyaka na roba, kodayake ƙwallan graphite sun bayyana a matsayin ɓangare na matrix, a zahiri ba su sake lalacewa ba, suna haifar da raguwa a cikin madaidaiciyar shugabanci, yana haifar da haɓaka girma. , kuma wannan fadadawa ba zai iya ramawa ta hanyar matsawa ta gefe ba.
Kwatancen aiki tare da sauran kayan
Simintin simintin gyare-gyaren launin toka: A al'adance, ana amfani da ƙarfin juzu'i ne kawai azaman alamar aiki, kuma mafi girman daraja yana da iyakacin ƙarfi (350 MPa kawai). Sabanin haka, baƙin ƙarfe ductile yana nuna fa'idodi masu mahimmanci a duka ƙarfi da filastik.
Ƙarfin simintin gyare-gyare: Ko da yake yana da alamomin filastik, ko dai baƙin ƙarfe ne, pearlite ko farin-core malleable baƙin ƙarfe, ƙayyadaddun kayan aikin sa ba su da kyau kamar baƙin ƙarfe.
Cast karfe da tsarin karfe: Ko da yake yana da kyakkyawan aiki a bayan karaya elongation da kuma tasiri taurin, yawan amfanin ƙasa ba shi da kyau kamar na ductile baƙin ƙarfe, yana ƙara nuna fifikon ƙarfe na ductile a cikin takamaiman aikace-aikace.
Lokacin aikawa: Satumba-18-2024