Canja wurin Zafi na Rubutun Dip Aluminizing Hot Dip A Lokacin Ƙarfafawa

Hot tsoma aluminizing shafi yana daya daga cikin mafi tasiri hanyoyin kariya daga saman karfe da kuma sannu a hankali samun shahararsa. Kodayake saurin ja yana ɗaya daga cikin mahimman ma'auni don sarrafa kauri mai kauri na samfuran alumini, duk da haka, akwai ƴan wallafe-wallafe akan ƙirar lissafi na saurin ja da sauri yayin aikin tsomawa mai zafi. Don kwatanta daidaituwa tsakanin saurin ja, kauri mai kauri da lokacin ƙarfafawa, an bincika ka'idar taro da canja wurin zafi yayin aikin alumini a cikin wannan takarda. Samfuran lissafin sun dogara ne akan daidaiton Navier-Stokes da nazarin canjin zafi. Ana yin gwaje-gwaje ta amfani da kayan aikin da aka zayyana don tabbatar da ƙirar lissafi. Musamman, an tsarkake narke aluminum a 730 ℃. Ana amfani da hanyar Cook-Norteman don pretreatment na Q235 faranti na karfe.

An saita zafin jiki na zafi tsoma aluminizing zuwa 690 kuma ℃ an saita lokacin tsomawa zuwa 3 min. Ana amfani da injin na yanzu kai tsaye tare da bambancin saurin taki don daidaita saurin ja. Ana yin rikodin canjin yanayin zafi ta hanyar ma'aunin zafi da sanyio na infrared, kuma ana auna kauri ta hanyar amfani da nazarin hoto. Ingantattun sakamakon gwaji ya nuna cewa kauri mai kauri ya yi daidai da tushen murabba'in jan gudu don farantin karfe na Q235, kuma akwai alaƙar madaidaiciya tsakanin kauri da lokacin ƙarfi lokacin da saurin ja ya yi ƙasa da 0.11 m/s. Hasashen samfurin da aka tsara ya dace da kyau tare da gwaje-gwaje na gwaji na kauri mai rufi.

1 Gabatarwa

Hot tsoma aluminizing karfe yana da mafi girma lalata juriya da kuma mafi kyawawa inji Properties idan aka kwatanta da zafi tsoma galvanizing karfe. Ka'idar aluminizing zafi tsoma shine cewa faranti na ƙarfe da aka riga aka gama an tsoma su a cikin narkakkar alluran alloys a wani zafin jiki na lokaci mai dacewa. Aluminum atom suna watsawa kuma suna amsawa tare da atom ɗin ƙarfe don samar da abin rufe fuska na Fe-Al fili da aluminium wanda ke da ƙarfi mai ƙarfi tare da matrix don biyan buƙatun kariya da ƙarfafa saman. A takaice, zafi tsoma karfe kayan wani nau'i ne na kayan da aka haɗa tare da cikakkun kaddarorin da ƙananan farashi. A halin yanzu, irin waɗannan fasahohin kamar Sendzimir, Ragewar Non-oxidizing, Non-oxidizing da Cook-Norteman galibi ana amfani da su don alumini mai zafi mai zafi, ta hanyar abin da manyan abubuwan samarwa za a iya samun su saboda ingantaccen samarwa, ingantaccen ingancin samfuran da ƙasa. gurbacewa. Daga cikin fasahohin guda hudu, Sendzimir, Ragewar da ba ta da iskar oxygen da rashin isashshen oxidizing ana nuna su ta hanyar hadaddun matakai, kayan aiki masu tsada da tsada mai tsada. A zamanin yau, hanyar Cook-Norteman ta zama ana amfani da ita sosai saboda fa'idodin matakai masu sassauƙa, ƙarancin farashi da abokantaka na yanayi.

Domin zafi tsoma aluminizing tsari, da shafi kauri ne mai muhimmanci ma'auni don kimanta shafi ingancin da kuma taka muhimmiyar rawa wajen ƙayyade kaddarorin na shafi. Yadda za a sarrafa kauri mai rufi yayin aiwatar da tsomawa mai zafi don haka ana la'akari da mahimmanci wajen tabbatar da ingantaccen ingancin sutura. Kamar yadda muka riga muka sani, akwai kusancin haɗin kai tsakanin kauri mai kauri, saurin ja da lokacin ƙarfafawa. Sabili da haka, don sarrafa tsarin tsoma mai zafi da kuma inganta ingancin sutura, ya zama dole don gina samfurin lissafi wanda zai iya kwatanta wannan haɗin gwiwa. A cikin wannan takarda, ƙirar lissafi na kauri da saurin ja ya samo asali ne daga ma'aunin Navier-Stokes. Ana bincikar canja wurin zafi a lokacin daɗaɗɗen shafi, kuma an kafa alaƙar kauri da kauri da lokacin ƙarfi. Gwaje-gwajen zafi mai zafi aluminizing Q235 faranti na karfe dangane da hanyar Cook-Norteman ana yin su tare da kayan aikin da aka yi da kai. Ana auna ainihin zafin jiki da murfin kauri daidai. An kwatanta abubuwan da suka samo asali kuma an tabbatar da su ta hanyar gwaje-gwajen.

2 Samfurin Lissafi

2.2 Canja wurin zafi yayin ƙarfafawar rufin Tunda murfin aluminum yana da bakin ciki sosai, ana iya ɗaukar shi azaman parallel ruwa yana gudana a kan lebur surface na plated guda. Sa'an nan kuma za a iya bincikar ta daga hanyar x. An gabatar da zane-zane na zane-zane na sutura-substrate a cikin siffa 2 kuma ana nuna rarraba zafin jiki a cikin siffa 3.
Don cikakkun bayanai, da fatan za a tuntuɓe mu.