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Blueing

Bluing zitsulo - ndondomeko mankhwala ntchito yokonzekera pamwamba pa mbali zitsulo pa woonda zoteteza filimu ya oxides Fe3O4 chitsulo. dzina zichokela ku mbali khalidwe mtundu pambuyo processing (bluish-wakuda, khwangwala), amatchedwanso "blackening" kapena "sinenie" onse, kaya akhale a mtundu wa - "makutidwe ndi okosijeni". The filimu chifukwa passivates pamwamba ndi kuteteza gawo ku dzimbiri mumlengalenga ndi zina zimene atolankhani zikuwononga.

Musanapite burnishing mwatsatanetsatane zitsulo kale lokonzedwa mwayeretsa ku dzimbiri umakaniko opukutidwa, degreased ndi kuzifutsa mu njira acidic. Degreasing kungakhale zosungunulira kapena mowa. Etching ayenera kuchotsa pamwamba pa oxides onse zosafunika, kusiya anabala zitsulo.

Chophweka njira - burnishing mafuta zitsulo. Pali njira zosiyanasiyana, koma tanthauzo lake ndi losavuta: pa workpiece, wosanjikiza woonda mafuta, ndiye ayenera usavutike 300-350 ° C. Batala, anawotcha kupyolera, masamba pamwamba pa filimu okusayidi. Kuyambira nthawi yoyamba ❖ kuyanika yunifolomu ndi simudalandira, kotero ndondomeko akubwerezedwa mpaka mukufuna. Nkofunika kuti tikwaniritse yunifolomu Kutentha, mwinamwake filimu adzapita mawanga, ndipo musati overheat mbali, ndipo mwina deform kapena kumasulidwa. anthu ambiri amalakwitsa ndi kusiya katunduyo mu mafuta preheated, n'kulakwa. Ziyenera kukhala zosiyana: choyamba, kuti kupaka, ndiye n'kumawotha. Mafuta ntchito iliyonse, kuchokera mpendadzuwa kufala kapena engine. Chotero bluing zitsulo ali otsika ❖ kuyanika mphamvu. Iwo umakhala mu zolinga kukongoletsa ndi zoteteza.

Bluing zitsulo ntchito chitsulo sulphate, ferric mankhwala enaake acid nitric

Chifukwa chaichi, pa lita imodzi ya madzi anafunika kuthetsa 15 g wa sulphate chitsulo ndi 30 ga 10 ga acid. mankhwala ndi adatchithisira mu njira adzakhala anapanga dzimbiri ❖ kuyanika, m'pofunika nthawi kuchotsa burashi ndi kuviika kupitiriza mpaka mtundu anakhumba filimu okusayidi. Tsopano pafupifupi mzinda pali sitolo kuti amagulitsa mankhwala, kotero kuti iwo ali mosavuta.

Bluing zitsulo ntchito bichromate potaziyamu (potaziyamu dichromate). Chifukwa chaichi, pa lita imodzi ya madzi kuchepetsedwa ndi magalamu 200 bichromate potaziyamu ndipo kumizidwa mu njira yothetsera 20-30 Mphindi katunduyo. Pambuyo kuchotsedwa kwa njira ndiyeno zouma kutentha (mu uvuni kapena pa makala oyaka). ndondomeko akubwerezedwa mpaka yunifolomu buluu wakuda mtundu. Kenako kupukuta chidutswa cha nsalu wothira mafuta. Chrompick - reagent sizachilendo, amagwiritsidwanso ntchito pa mafakitale chikopa.

Pakuti bluing migolo mfuti ali osokonezeka pansi Kutentha 1 mbali mwa kulemera kwa trichloride antimony ndi 3 mbali mafuta. The osakaniza ndiye ntchito kuti katunduyo ndi kuloledwa kuima kwa tsiku. ndondomeko akubwerezedwa nthawi 10-12, kenako mbiya ya kusamba, zouma ndi kupukutidwa. Mtundu ndi Kamaoneka bulauni.

Malinga kuchokera pamwamba, burnishing zitsulo pakhomo - zotheka ndithu ndi njira zophweka. Thiabendazole angagwiritsidwe ntchito mankhwala opangidwa ndi zitsulo tidziteteze njira zina chitetezo dzimbiri, monga utoto, ndi zosafunika.

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