Matsalolin ramuka sun zama ruwan dare a cikin aikin walda, bushewar kayan walda, lalata ƙarfe na tushe da kayan aikin walda, tsarin walda ba shi da tsayayye isasshe mai da ƙazanta kuma don kare matalauta zai zama nau'i daban-daban na busa.Rarraba weld porosity, da blowholes m dalilin shi ne saboda da high zafin jiki na narkakkar karfe ta hanyar narkar da babban adadin gas, da rabo daga cikin gas a cikin weld a lokacin da crystallization lokacin tserewa, samuwar pores.

A daidai da generated gas abun da ke ciki, porosity a cikin weld karfe bayan waldi ne yafi hydrogen da rami da CO stomatal.Don ƙananan ƙarfe na walƙiya, rami hydrogen a cikin farfajiyar walda a cikin yanayin mafi yawan ɓangaren giciye na ramuka masu siffa, lasifikar bango mai santsi mai siffa idan an duba shi daga saman walda.Saboda yawan zafin jiki, da hydrogen solubility a cikin narkakkar wanka da karfe droplet ne high, m solidification na weld karfe a cikin walda tsari, hydrogen ya yi latti don tserewa, an kafa a cikin weld gas.CO ƙarni na ramuka ne yafi saboda karafa halayen samar CO gas saura a cikin crystallization a cikin weld.Rarraba stomatal tare da daidaitawar crystal yana da kamannin tsutsa.Abubuwan da ke shafar ramukan iskar gas an ƙirƙira su da ƙarfe da aiki.Babban tasiri na abubuwan ƙarfe na ƙarfe na ƙarfe na kayan aikin walda a cikin tsarin waldawa, yanayin yanayin tsaro, kayan da za a welded kafin waldawar yanayin asali, alal misali, tasirin danshi, lalatawar porosity na weld. tsara.Welding tsari a matsayin metallurgical tsari domin ciwon halaye daban-daban daga talakawa metallurgical, short dauki lokaci da kariya Atmosphere matalauta birni sabõda haka, weld karfe da tushe karfe abu, kungiyar microscopic bambanci wanzu.A iskar shaka na slag stomatal ji na ƙwarai na juriya na weld yana da babban tasiri, gwaje-gwajen nuna cewa duka acidic da kuma asali electrode CO stomatal hali yana ƙaruwa tare da ƙara slag hadawan abu da iskar shaka juriya.Amma halin ramin hydrogen zuwa akasin haka.Fiye da CO saboda hydrogen a cikin tsarin ƙarfe na Yarjejeniyar Ƙarfafawa sau da yawa ana ɗaukar su don cimma nasarar kiyaye slag da ya dace da iskar hydrogen.Hakanan ana amfani dashi a cikin ainihin samar da walda irin waɗannan hanyoyin.An ƙara tare da ƙarfi oxidizing acid electrode abun da ke ciki.Ana iya hana haɓakar hydrogen na rami.An ƙara electrode na alkaline fluorite, sau da yawa ya ƙunshi wani adadin carbonate.A lokacin aikin walda, tasirin dumama na walda na Fe203 yana haifar da Fe30 Fe |0 HO dauki a babban zafin jiki don sake farfado da Fe20, kuma H, elemental Fe da HO FeO da H suna samuwa a yanayin zafi mai zafi, ana iya ganin tsatsa don samuwar nau'i na nau'i biyu na pores suna da tasiri mafi girma.Al'ada waldi aiki ƙayyadaddun walda bayani dalla-dalla ga samuwar weld porosity da wani tasiri, amma ya dauki dace bayani dalla-dalla ga aiki, waldi halin yanzu, waldi irin ƙarfin lantarki da kadan tasiri a kan samuwar pores a cikin low-carbon karfe waldi.

A cikin ƙananan ƙarfe na ƙarfe na walda, yankin haɗin walda, haɗawa, zai haifar da raguwar taurin ƙarfe na walda, yana ƙara dabi'ar fashewa mai zafi da tsagewar lamellar.Abubuwan da aka haɗa a cikin walda galibi oxides, nitrides da sulfides.Abubuwan da aka haɗa da oxide da ƙari gabaɗaya suna wanzu a cikin nau'in siliki, siliki;oxide inclusions generated yafi metallurgical halayen saboda waldi tsari, da ainihin waldi tsari a cikin waldi abu da kuma zaži dace yanayi saboda rashin dacewa waldi aiki gauraye da weld oxide inclusions ne karamin adadin.Nitride ya gauraya galibi N a cikin ƙananan ƙarfe na walda, ƙarfe na walda na Fe4N yana haɓaka lokacin tsufa, nau'i mai kama da allura da aka rarraba a cikin hatsi ko ta iyakokin hatsi, wanda ke haifar da raguwar taurin ƙarfen walda.Low carbon karfe waldi, tushen nitrogen ga kewaye yanayi, watau daga kewaye yanayi ratsa Weld kududdufi yayin da nitrogen gas aka lalacewa ta hanyar inclusions da matalauta kariya daga walda tsari ne yafi saboda samuwar nitride inclusions.Sulfide sulfur a galibi yana zuwa ne daga kayan walda, kamar murfin sandar walda, juyi, weld sulfide MnS da FeS.Haɗin walda yana haifar da ainihin samar da walda gabaɗaya: zaɓin walda ba daidai ba ko rashin hankali;ƙayyadaddun walda bai dace ba, irin su walda halin yanzu, ƙarfin walda wanda bai dace ba wanda ke haifar da slag yana da wahala a hau;Tack waldi da Multi-welding, walda ba shi da tsabta slag;walƙiya, kusurwar lantarki da sandar sufuri da ba daidai ba narkakkar karfe da slag gauraye tare;da matalauta weld pool kariya aiki, da iska kutsawa walda yanayi kariya.

Matakan fasaha don hana lahani mai ƙarancin carbon karfe bututu walda
Zaɓin kayan aikin walda kai tsaye yana shafar aikin aiki da haɗin gwiwar ƙarfe na walda, wanda ke da mahimmanci mai mahimmanci don rigakafi da sarrafa lahani na walda.Abubuwan tsari sun haɗa da ɓangarori na ƙayyadaddun walda, nau'in aikin yau da kullun da aikin walda.Zaɓin da ya dace na samar da wutar lantarki don kayan walda shine abin da ake buƙata don rigakafin lahani na walda.Sauya kayan walda da sauri, saboda saurin haɓakar fasahar lantarki, tushen wutar lantarki kuma yana fuskantar babban sauyi.Domin talakawa low carbon karfe bututu waldi kayan, da talakawa waldi kayan aiki zuwa yi.Amma kyakkyawan aikin aikin na'urar da aka haifar ba za a iya watsi da shi ba.Dole ne a shirya madaidaicin yanayin kayan aiki da aka yi niyya da matakan aikin walda.Ciki har da ƙayyadaddun walda, nau'in halin yanzu, ayyukan walda, tsagi da buƙatun tsari mai tsabta Layer.Ƙayyadaddun walda sun haɗa da halin yanzu na walda, ƙarfin walda, saurin walda da sauran sigogi.Ya kamata a gudanar da ayyukan walda a cikin ƙayyadaddun al'ada.A yanayin wutar lantarki na walda.Ƙarfafawar walda na yanzu zai haifar da haɓakar zurfin shiga cikin narkakken wanka;a cikin yanayin walda na halin yanzu, haɓaka ƙarfin walda zai haifar da haɓakar nisa na narkewar wanka;amma halin yanzu yana karuwa.Sakamako a cikin narkakkarwar barbashin ƙarfe na baka yana raguwa.Ratio na farfajiyar yankin yana ƙaruwa, iskar gas ɗin da ke juyewa ta hanyar jujjuyawar ruɓaɓɓen ƙwayoyin ƙarfe da yawa sun karu haɓaka stomatal;ƙarfin ƙarfin baka wanda ya haifar da haɓaka yanayin kariyar walda ya ragu, iskan waje yana shiga cikin sauƙi;waldi gudun yana ƙaruwa, don haka da crystallization gudun ne ya karu, amma kuma sauki don sa saura gas The ƙãra hali na sa ramuka a cikin weld karfe.Sabili da haka, gwargwadon yadda zai yiwu don kula da ƙa'idodin gini na yau da kullun da ke dacewa da haɓakar lahani.