Zuriya mai tsauri yana nufin karfe tare da kwanciyar hankali da ƙarfi a ƙarƙashin yanayin zafin jiki na ainihi. Zunurin kai na zamani yana nufin kwanciyar hankali na sunadarai (wanda ba {{{{{{{{{{{{{{{{{{{{{{{{{{1 Kwardar therymal tana nufin isasshen ƙarfi na ƙarfe a ƙarƙashin yanayin zazzabi. Juyin zafi ne yafi tabbas ne ta hanyar abubuwan kawance kamar chromium, moladium, titanium da naƙasasshe ya kamata a ƙaddara gwargwadon abubuwan da ke cikin ƙarfe na karfe. Heat juriya ana amfani da shi sosai a cikin shigarwa na ginin ginin man fetur da masana'antar petrochemical. Zamu iya kasancewa sau da yawa suna hulɗa da fitsari mai tsayayya da karfe tare da abun ciki kaɗan, kamar 15crmo, 1crmo, 1crmo, 1crm5mo da sauransu.
Gabaɗaya, ana kiran sa allon abun ciki na ƙasa da 50% ana kiranta Heather. Jafananci Heather mai tsauri mai tsayayya wa JIS G4311, G4312, ban da wasu matakan Sah ɗin Sah. Dangane da microstrutecture daban-daban na tsarin iyaye, zafi mai tsayayya da karfe, shahararren zafi zafi mai tsayayya da karfe kuma yana da hardening hardening mai tsauri. JIS G5122 yana ba da tsayayya da ruwan ƙarfe, amma bai rarraba matsayin ƙarfe ba, kuma gauraye da zafin rana da zazzabi.
Ferritic zafi mai tsayayya da karfe
Wakilin Wakilin Ferritic mai tsayayya da ƙarfe ana amfani dashi shine Sus430 tare da low c -}} 17% cr. CR shine kashi wanda zai iya inganta babban zazzabi mai lalata ƙarfe kuma abu ne mai mahimmanci a cikin yanayin zafi. Sus430 yana da juriya na abu mai kyau. Sus430 mai rahusa ne saboda babu sauran abubuwa a cikin ƙarfe. Koyaya, Sus430 baya Harden bayan tsananin zafin jiki quenching, da kuma babban zafin jiki ya ragu, saboda haka ana iya amfani dashi don sassan da ba sa buƙatar ƙarfi da yawa. A gefe guda, saboda haɓakar haɓakar ƙwayar ta sustenitic na Sus430 yana ƙanana, kuma yaduwa da yawan zafin jiki sau da yawa, don haka, don canje-canjen zazzabi, mai sauƙi don samar da sassan zafin rana, da sauƙin samar da kayatarwa na zafi, da sauƙin samar da kitse. Bugu da kari, lokacin da Sus430 ake daɗe a tsawon digiri a kusan digiri 500, Ortitsiltletements zai faru saboda hazo da na lugptle, wanda ya kamata a kula da shi. Bugu da kari, Al shima wani abu ne wanda ke inganta ƙarfin antioxidant. A babban zazzabi, Alsms Al2o3 a saman takardar naxide, wanda ya zama mai kariya fim kuma yana taka rawa wajen inganta juriya na iskar shaka. Karfe mai tsayayya da zafi ta amfani da wannan tasirin Al shine fch1. Fch1 shine zafi mai tsayayya da karfe tare da 5% Al da aka ƙara a cikin 25% CR Karfe. Tana da juriya na iskar shawa da ke ƙasa da digiri 1200.
Martensitic Heather resistant
Hature na Martensitic mai tsayayya da ruwa sune kashi 12% cr cr sus403 da sus410j1 da kusan 0.1% Carbon abun ciki. Wadannan zafi {6} tsayayya da ƙarfe sun taurare ta hanyar zafin jiki mai ƙarfi sannan kuma a yi wa ƙarfin hali na iyaye, kula da ƙarfi a 500 {{2200. Idan an kara wa MO don inganta tsarin fushi juriya, za a iya ci gaba da samun ƙarfi mai ƙarfi. Martensitic zafi mai tsayayya da karfe zai yi laushi a babban zazzabi sama da 500 {10 digiri, sakamakon shi da kaifi mai ƙarfi cikin ƙarfi. Sabili da haka, martensitic zafi mai tsayayya da karfe 500-600 digiri, buƙatar babban kayan aikin zafin jiki. Bugu da kari, saboda abubuwan ban sha'awa na Chromium na Martentitic Resistant Resistant ne (12%) har yanzu, da kuma yanayin Chrisium tsayayya da karfe. Si da Al kuma Al kuma suna iya samar da fim mai kariya a kan takardar sa na Martensitic Heather. Suh3 da Suh11 shahira mama sharri mai tsauri da Si da SI da aka kara don inganta juriya da iskar shaka. Ana amfani da waɗannan masu tsayayyawar ƙarfe-zafi don wajan bawul na injiniya da kuma ƙwararrun ƙwararru-mai tsauri.
Ausenitic zafi mai tsayayya da karfe
Additionarin cr to karfe yana tare da ƙari na Austenite yana daidaita kashi ɗaya ni, wanda ya sa tsarin ƙara ido a duk yanayin zafi. Talakawa Austenitic tsarin sus304 da s310. Kamar yadda muka sani, sus304 shine lalata tsattsarkar bakin karfe na bakin karfe, amma AU3030 kuma ana iya amfani dashi azaman mai tsayayyen karfe. A ƙasa 600 digiri, ƙarfin yanayin zafi mai tsayayya da karfe da ferritic zafi mai tsayayya da zafi. Bugu da kari, susk304 karkashin 800 digiri, sauƙaƙe a ƙarƙashin 1000 digiri, maimaitawa dumama {13} in yi {13} in yi {13} in yi amfani da {13} in yi {13} Haɗawa {13} in yi rawa {13} {Soyayyu, yana da kyawawan juriya na abu ɗaya. Koyaya, lokacin da aka yi amfani da shi na dogon lokaci a digiri 700-900, za a sami tsinkaye na tsinkaye hazo, saboda haka kayan ya zama browntle. Bugu da kari, saboda fadada yaduwar yaduwar sus304 kuma sep10 ya fi na Martritentitic da ferritic zafi abu ne mai sauki ga wadannan maki biyu.
A lokacin da ake buƙatar ƙarfin zafin jiki mai ƙarfi, ƙarfin yanayin zafi mai tsayayya da ƙarfe za'a iya inganta ƙarfe ta hanyar karfafa gwiwa da karfafawa bayani. Ausenitic zafi mai tsayayya da karfe da aka yi amfani da shi don bawul ɗin injin din shine Suh35. Babban zafin zafin jiki na Suh35 ya inganta ta hanyar karfafa gwiwa na Carbide da ingantaccen maganin karfafa ta kara karfe karfe. Za'a iya samun tsarin Austenite koda idan abun ciki na NI shine 4% ta ƙara abun ciki na Mn. SUH660 da aka yi amfani da shi don zafi {7} mai tsayayyawar folts da maɓuɓɓugan lokaci da hazo ya karfafa shi ta hanyar 'lokaci (NI3 (Al, Ti) saboda ƙari na Al da Ti.
Tashi mai karfafa zafin jiki mai tsauri
Wakilin Bango na Martensitic He mai tsayayya da karfe yana Sus630. Bayan tsufa a digiri na 500, nim lokaci (cuanin lokaci (cuinina) precipate a cikin anin Martence na Makarantar Sus6 na Sus6 don inganta ƙarfin ƙarfe. Koyaya, lokacin da zazzabi ya wuce digiri 500, da β ya zama mai kula da canje-canje na Marensite, wanda ke haifar da rage ƙarfin ƙarfin ƙarfe. Sabili da haka, Sus630 aka yi amfani da shi akasari ne don abubuwan haɗin Turine a ƙasa 500 digiri. The main component of SUS630 steel is 17Cr-4Ni-4Cu, the Ni content is not too high, and considering the austenite stability, the Ni content can not be reduced, so it is not a resource-saving development steel.
