Zafin Maganin Hazo Mai Taurare Bakin Karfe

Hazo hardening (PH) bakin karfe martensitic gabaɗaya yana ƙunshe da abubuwa masu haɗawa kamar jan karfe, gubar, molybdenum, da titanium waɗanda ke samar da lokaci mai tauri. Wadannan abubuwan haɗin gwiwar suna da mafi girma solubility a austenite, amma kadan a cikin martensite. Sabili da haka, maganin zafi na hazo hardening martensitic bakin karfe yakamata ya zama ingantaccen magani mai ƙarfi don narkar da ƙaƙƙarfan lokaci da aka haɗe a cikin yanayin simintin simintin. Sa'an nan kuma ana gudanar da maganin tauraruwar hazo don haɓaka lokacin hardening na biyu, ta yadda za a inganta ƙarfin simintin bakin karfe da kuma sa ya sami juriya mai kyau na lalata. Bugu da kari, magani magani zai kuma inganta yankan yi nahazo hardening bakin karfe simintin gyaran kafa.

Halayen Maganin Zafin Hazo Mai Taurare Bakin Karfe:

• 1) Kafin maganin maganin, yana buƙatar preheated zuwa 650 ℃, sa'an nan kuma da sauri mai tsanani zuwa zafin jiki da aka ƙayyade. Hakanan ana iya loda simintin gyare-gyare a cikin tanderu a yanayin zafi mai yawa.
• 2) Matsakaicin zafin jiki mai ƙarfi shine gabaɗaya 1020-1060 ° C, kuma ana ƙididdige lokacin riƙewa gwargwadon haɓakar sa'a 1 daidai ga kowane haɓakar mm 25 na bangon bango. Don yin simintin gyare-gyare tare da sifofi masu rikitarwa, za a iya rage ƙaƙƙarfan zafin maganin zafi zuwa kusan 930°C.
• 3) Don kawar da rashin daidaituwa na tsarin dendritic da kuma rarraba sassan a cikin manyan simintin ƙarfe na ƙarfe, yana da kyau a yi maganin homogenization mai zafi mai zafi kafin bayani mai ƙarfi.
• 4) Za'a iya zaɓar zafin jiki na maganin tsufa yadda ya kamata bisa ga buƙatun ƙarfin, taurin da taurin simintin.
• 5) Domin inganta inji Properties na hazo hardening bakin karfe simintin gyaran kafa, bayan bayani jiyya, iska sanyaya a 700-810 ° C na 2 hours, sa'an nan iska sanyaya a 620 ° C na 4 hours. Wannan zai iya inganta aikin yanke aikin simintin gyare-gyare.