Zafi mai tsayayya da karfe

Yadda za a auna aiki
Koyaya, mahimmin bangaren zafi mai tsayayya da ƙarfe shine faɗakarwa a yanayin zafi, wanda za'a iya auna ta hanyoyi daban-daban. Hanya guda don auna wasan kwaikwayon karfe a yanayin zafi shine auna uts da ys a yanayin zafi, yawanci fiye da 1200f. Yawancin zafi mai tsayayya da ƙarfe na iya riƙe UTs na 30-50ksin a 1400F da ys na har zuwa 30ksi. Yawanci, allurar da ke da isasshen ƙwayar cuta da kuma abin da ke cikin nickel suna da mafi kyau a wannan rukunin zazzabi na harbin da kuma hp, hp, hu, da hk. Alloys a cikin wannan rukunin yawanci suna da cikakken tsarin yanayin. Saboda mafi girma kasancewar abubuwan da suke son kai, wadannan allurar kuma sun fi tsada.
Wata hanyar da cewa aikin zafi mai tsayayya baƙin ciki ana auna shi ne cikin ƙarfin ƙarfinsa da ƙarfin damuwa. Creep ta zama mafi yawan gama gari a cikin tsayayyen bakin ciki. Ga wadanda ba a sani ba, creep shine damuwa wanda ke faruwa a cikin sansanonin da suke ƙarƙashin babban yanayin zafi. Yayin da yake hanawa creep ba zai yiwu ba, yawancin zafin rana suna da tsayayya da ƙarfe na katako zuwa wani mataki, wanda bi da tsawanta da rayuwar simintin. A ina ne creep ya zama mafi matsala shine a cikin zaɓar lokuta inda ya haifar da fashewar dorormation kuma na iya haifar da karar da aka bayyana a cikin gwajin zazzabi mai tsawo.

Alloy zaba
Za'a iya lissafta Creep don zane-zane da kuma zaɓi na Seleption, Injiniya na iya zaɓar ƙirar sayen da zai iya ba da damar simintin don ci gaba da aiwatarwa don creep. A cikin sharuddan zabi zabi, injiniyan yakamata ya zabi tsari na lalata filastik kuma yana da matsanancin damuwa, fifikon daya dangane da aikace-aikacen. A cikin sharuddan ikon sarrafawa, mafi kyawun fare lokaci ne yawanci don tafiya tare da akalla 30% na Chrome don samun cikakkiyar tsarin Austenitic, HT, HE, da HP sune misalai sosai. Wasu baƙin ƙarfe-Chromium allos-nickel alloys kamar hk suma suna yin kyau a cikin wannan fagen.
Idan ya zo ga matsanancin damuwa, sarrafa carbon Carbon ya kasance a cikin kewayon 0.3-0.7% zai zama mafi mahimmancin m. A cikin kashi 0.3-0.7% Carbon Carbon, ƙarfe zai zama mai tsayayya da cigaban damuwa fiye da waɗanda 0.2% kuma a ƙasa. Sauran abubuwan da keyewa suna da maɓallin kwaikwayo, musamman isa gajiya don samar da tsarin Austenitic (aƙalla 18%, zai fi dacewa da 25% +) da HP sune misalai masu inganci. Wasu daga cikin abubuwan da suka fi iya tsayayya da allo na jijiyoyin ciki zasu ƙunshi wasu abubuwan ban sha'awa na abubuwan ban sha'awa kamar tungsten ko naƙasasshe, kodayake abubuwan ciki suna da matukar tasiri ga sarrafawa.

Guje wa hadawan abu
Wani maɓalli a cikin bakin karfe juriya ga hadawa da hadawa a tsananin yanayin zafi. A saboda wannan dalili, zafi mai tsayayya da karfe dole ne ya ƙunshi mafi ƙarancin 12% Chromium cromum don tsayayya da baƙin ƙarfe oxide samuwar a yanayin zafi. Ana iya samun juriya na iskar shawa ta hanyar mafi girman cutar chromium da kuma abun ciki na nickel.

Fateral Fatouku
Idan an yiwa gulbi zuwa yanayin hawan keke ko rawar jiki, wanda dole ne a la'akari da shi lokacin da ya zo ga zaɓi na wuta mai tsauri. Babu wata hanyar da za a auna gajiya a cikin simintin, akwai gwaje-gwaje na gayya, amma ba sa ɗaukar nauyin gaskiya.

Yadda za a yi tsayayya da Carburitization
Carburization juriya wani tunani ne da za a yi, musamman ga magungunan da zasu shiga cikin aikace-aikace kamar magani mai zafi. Mafi girma nickel da chromium abin da ke kara juriya na karfe zuwa carbon inetration a cikin farfajiyar simintin. Silicon ta taka muhimmiyar rawa a cikin juriya na carburization kuma, karami yana ƙaruwa da ban tsoro ga parbon shigar da za a yi amfani da shi a cikin sansanonin da ake nufi da su a cikin sansanonin da ake nufi da tsayayya da carburization. Sauran abubuwan da za a kara wa bakin ciki da bakin karfe don yin tsayayya da carburization ko da yake ba a yi amfani da su ba da kuma tasirinsu ya kasance abin ya tabbata.
Sauran la'akari
A cikin lokuta masu wuya, ana buƙatar la'akari da la'akari da yanayin yanayin sulfur wanda zai haifar da haduwa da iskar shaka a cikin sakan. Babban Nickel Heatherwaruwa mai tsayayya da allosys suna da yawa ga lalata a cikin wani yanki mai zurfi saboda cikakken yanayin yanayin su, don haka Alloys waɗanda suke ɗauka ne mafi kyawu.