Mainjiniya, opanga zinthu, ndi magulu ogula zinthu nthawi zambiri amaweruza zitsulo zokhala ndi malata potengera maonekedwe ake. Mutha kuyang'ana gulu latsopano lachitsulo ndikuyembekeza kutha konyezimira, kopanda chilema. Komabe, mawonekedwe owoneka ngati kunyezimira kapena 'mapang'ono' achikhalidwe ndi zizindikiritso zosalimba kwenikweni za dzimbiri. Ogula ambiri amakana molakwika zida za imvi zowoneka bwino, poganiza molakwika kuti chitetezocho chili ndi cholakwika.
Kutsimikizira kowona kumafuna kumvetsetsa zochita zazitsulo. Muyenera kuwunika chemistry yachitsulo ndikuwonetsetsa kutsatira mosamalitsa kwa ASTM m'malo mongoyang'ana siliva. Kudalira macheke owoneka okha nthawi zambiri kumabweretsa kuchedwa kwa polojekiti.
Bukhuli limapereka ndondomeko yaukadaulo yodziwira zokutira zamagalasi. Tifufuza chifukwa chake mitundu ya batch imasiyana kwambiri panthawi yopanga. Pomaliza, muphunzira momwe mungakhazikitsire njira zowunikira kuti mupeze zida zodalirika, kuwonetsetsa kuti projekiti yanu yotsatira ikukwaniritsa miyezo yolimba yaukadaulo.
Zofunika Kwambiri
Maonekedwe ≠ Magwiridwe: Maonekedwe otuwa, otuwa nthawi zambiri amawonetsa chitsulo cholimba cha zinc-iron alloy, osati zokutira zolakwika.
Nthano ya 'Spangle': Zipatso zodziwika bwino zokhala ngati chipale chofewa m'mbiri yakale zidachokera ku zonyansa zamtovu; chitsulo chamakono chogwirizana ndi chilengedwe nthawi zambiri chimakhala ndi mawonekedwe osalala, ocheperako.
Kutsimikizira Kumafunikira Chida: Ngakhale kuyezetsa kowoneka ndi m'munda (monga momwe asidi amachitira) kumapereka chidziwitso, kutsimikizira zokutira zamalati wotentha kumafuna kuyeza zigawo zazitsulo zamkati pogwiritsa ntchito kuyezetsa kwa labotale kapena maginito makulidwe a maginito.
Nenani ndi Deta, Osati Aesthetics: Kugula bwino kumadalira kufanana ndi Mill Test Reports (MTRs) ndi miyezo ya ASTM ku pulogalamu yanu, m'malo mongonena za mtundu weniweni.
Mawonekedwe Owoneka: Siliva Wowala, Wotuwa Wotuwa, ndi 'Spangle'
Mawonekedwe amtundu wazinthu zomwe zangokonzedwa kumene zimasiyana mosiyanasiyana. Mukayang'ana zoperekedwa kumene, mutha kuwona kusiyana kwakukulu kokongola. Mmodzi Zitsulo zokhala ndi malata zimatha kuwonetsa zomaliza kuyambira siliva wowala, wonyezimira mpaka wathyathyathya, wotuwa wotuwa. Kusinthaku kumachitika nthawi yoyamba yozizira chitsulo chikatuluka mu bafa ya zinki.
Kuti timvetse bwino kusiyana kwapamtunda uku, tikhoza kugawa zomalizazo kukhala zowoneka bwino. Tchati chomwe chili m'munsichi chikufotokozera mwachidule za mawonekedwe omwe mungakumane nawo pashopu.
Visual Finish |
Chifukwa Choyambirira |
Maonekedwe Pamwamba |
Siliva Wowala / Wonyezimira |
Kukhalapo kwa 'zinki waulere' wosanjikiza wakunja (Eta wosanjikiza). |
Zosalala, zowunikira kwambiri. |
Matte / Dull Gray |
Zinc-iron alloy zigawo zomwe zimafika kunja panthawi yozizira. |
Chathyathyathya, chokhwimitsa pang'ono, chosawoneka bwino. |
Mottled (Wosakanikirana) |
Kuzizira kosagwirizana m'magawo osiyanasiyana a gawo limodzi lalikulu. |
Kuphatikizika kwa madera onyezimira komanso osawoneka bwino. |
Kulemba 'Spangle' Patani
Mawu akuti 'spangle' amatanthauza kukongola kwa kristalo komwe kumawonekera pazitsulo. Chitsanzochi chimapanga kudzera mu ndondomeko yeniyeni ya nucleation. Zinc yosungunuka ikazizira pansi pa 787 ° F, maatomu a zinki amamangiriridwa ku kristalo wambewu pamwamba pachitsulo. Amapanga mitundu yosiyana ya makristalo a hexagonal pamene kutentha kumatsika.
Kuwona Zowona Zamakampani: Ma spangle akulu, owoneka bwino ndi zinthu zakale. Njira zoyambira zokometsera zida zidagwiritsa ntchito zowonjezera zopangira poyizoni kuti achepetse kukhuthala kwamadzi osambira a zinki, zomwe mosazindikira zidapanga masinthidwe a chipale chofewa. Ogula adazolowera mawonekedwe awa. Malo amakono tsopano akuika patsogolo chitetezo cha chilengedwe ndi thanzi la ogwira ntchito. Amagwiritsa ntchito zowonjezera zotetezeka monga antimony kapena kuchotsa zowonjezera zonse. Zotsatira zake, zamasiku ano Galvanized Steel imawonetsa zing'onozing'ono zazing'ono kapena zomaliza zosalala.
Kukula kwanyengo
Muyeneranso kuzindikira momwe mawonekedwe achitsulo amasinthira m'munda. Malo okhala ngati malata sakhala owala mpaka kalekale. M'miyezi 6 mpaka 8 yowonekera panja, pamwamba pamakhala nyengo yachilengedwe. Chitsulocho chimakhudzidwa ndi chinyezi ndi carbon dioxide mumlengalenga. Kuwala koyambirira kumazimiririka, kusinthira kukhala yunifolomu, osalankhula imvi-zinc-patina. Zinc carbonate layer iyi imapereka chotchinga cholimba modabwitsa, chochitika mwachilengedwe motsutsana ndi dzimbiri zachilengedwe.
Chifukwa Chake Mawonekedwe Opaka Simawotcha Kukaniza kwa Corrosion
Ogula nthawi zambiri amakhala ndi nkhawa kwambiri akalandira chitsulo chakuda kapena matte. Iwo amaganiza kuti kutha kwa imvi kumasonyeza kulephera mu njira yopangira malata. Malingaliro olakwika 'amtundu wakuda'wa amatsogolera ku kukanidwa kwa zinthu zosafunikira komanso kusokonezeka kwa maubale a ogulitsa. M'malo mwake, aesthetics alibe pafupifupi malumikizanidwe ndi kukana kwa dzimbiri kotheratu kwa zinthuzo.
Udindo wa Steel Chemistry
The reactivity of the base base steel kwenikweni amayendetsa zowoneka. Makamaka, zomwe zili mu Silicon ndi Phosphorus mkati mwa chitsulo chosaphika zimatsimikizira momwe chitsulo chimachitira mwamphamvu ndi zinc yosungunuka. Chitsulo champhamvu kwambiri chimakoka chitsulo chochuluka mu zokutira zinki panthawi yozizira. Ngati chitsulo chikugwera m'gulu lokhazikika kwambiri, zitsulo zazitsulo zimapitirirabe ngakhale chitsulocho chikachoka pamadzi osambira.
Ubwino wa Zinc-Iron Alloy
Mapeto akuda, a matte amawonetsa kuti zokutirazo zimakhala ndi zigawo za zinc-iron intermetallic. Zovala zokhala ndi malata wamba zimakhala ndi gawo lakunja la zinki loyera, lomwe limapereka mawonekedwe owala. Chitsulo chokhazikika chimagwiritsa ntchito wosanjikiza wa zinc, ndikuchisintha kukhala aloyi yachitsulo.
Zosankha: Muyenera kuwona kumaliza kwa matte imvi ngati mwayi osati chilema. Ngakhale ilibe 'zinki yaulere' yonyezimira, kufulumira kumapangitsa kuti ikhale yokhuthala kwambiri. Zothira zokhuthala zimatanthauzira mwachindunji kukhala ndi moyo wautali wofanana kapena wapamwamba m'malo ovuta. Komabe, oyang'anira ndi opanga zinthu ayenera kusamala. Zosakaniza zoyera za zinc-iron alloy zimakhala zolimba pang'ono. Muyenera kupewa zovuta zamakina kapena kupindika mopitilira muyeso kuti mupewe kuphulika komwe kumachitika.
Momwe Mungadziwire Molondola Chitsulo Chokhazikika
Kudalira kukongola kowoneka kumabweretsa ngozi. Mufunika njira zoyeserera kuti mutsimikizire kukhalapo ndi mtundu wa zokutira zamagalasi. Njira izi zimachokera ku ma hacks osavuta a msonkhano mpaka kusanthula kwa labotale.
Kuyang'ana Koyamba ndi Kumunda ( 'Hacks Workshop')
Ogwira ntchito kumunda nthawi zambiri amagwiritsa ntchito macheke mwachangu kuti awone zitsulo zosadziwika. Njirazi sizilowa m'malo mwa kuyesa kovomerezeka, koma zimapereka zidziwitso zoyambira mwachangu.
Kuyang'ana Dzimbiri: Yang'anani chidutswacho kuti chikhale ndi dzimbiri lofiira. Chophimba chenicheni cha malata chimalepheretsa kupanga dzimbiri lofiira. Mutha kuwona zotsalira zaufa zoyera (dzimbiri loyera), koma kusakhalapo kwa iron okusayidi yofiyira kumasonyeza kuti zinc wosanjikiza woteteza.
Mayeso a Viniga / Acid: Ikani madontho ochepa a asidi wofatsa ngati viniga wapakhomo kapena wothira hydrochloric acid pamwamba. Kachitidwe kakang'ono kake kamene kamayambitsa kuphulika kumasonyeza kukhalapo kwa zinki. Kumbukirani kuti mayesowa amangotsimikizira kuti nthaka ilipo; sichingazindikire njira yeniyeni yogwiritsira ntchito malata yomwe imagwiritsidwa ntchito.
Mayeso Osawononga (NDT) a Pansi Pansipa
Kuti mutsimikizire molondola malo ogulitsira, magulu owongolera mtundu amadalira zida zoyesera zosawononga. Zoyezera makulidwe a maginito kapena zamagetsi zimapereka chidziwitso chaposachedwa, chotheka kuchitapo kanthu. Zida zam'manja izi zimatsimikizira kukhalapo kwa zokutira zopanda chitsulo zomwe zimagwiritsidwa ntchito pazitsulo zachitsulo.
Poyeza makulidwe enieni a mil, oyendera amatha kutsimikizira kuti akutsatira. Zida zamapangidwe ziyenera kukwaniritsa miyezo ya makulidwe a ASTM A123. Kutengera ndi gulu lazinthu ndi makulidwe achitsulo, magawo ovomerezeka nthawi zambiri amakhala pakati pa 1.4 mpaka 3.9 mils. Kuwerenga mkati mwamtunduwu kumatsimikizira bwino chitetezo chokwanira.
Kutsimikizira kwa Laboratory (Umboni Womaliza)
Nthawi zina muyenera kusiyanitsa motsimikizika galvanizing woviika wotentha kuchokera ku utoto wochuluka wa zinki, kupopera mbewu mankhwalawa ndi mawotchi otenthetsera, kapena plating ndi makina. Njira zonsezi zimagwiritsa ntchito zinc, zomwe zimapangitsa kuti mayeso oyambira a mankhwala azikhala osakwanira.
Umboni Wasayansi: Magalasi enieni a dip-dip amaima okha muzitsulo zake. Ndi njira yokhayo yogwiritsira ntchito kupanga chomangira chenicheni chazitsulo chokhala ndi zigawo zitatu zosiyana za intermetallic (Gamma, Delta, ndi Zeta). Akatswiri a labotale amatsimikizira siginecha yapaderayi kudzera muzithunzi zazing'ono zazing'ono. Kapenanso, asayansi amagwiritsa ntchito Electron Paramagnetic Resonance (EPR) kuti azindikire kuphatikizika kwa iron-zinc komwe kumayenderana ndi dip-dip.
Kufananiza Mtundu wa Chitsulo Chomata ndi Ntchito Yanu
Kupambana kogulira kumafuna kufananiza njira yopangira zinthu ndi zofuna zanu zachilengedwe. Sizitsulo zonse zokutira zinc zimagwira ntchito mofanana. Kutchula zinthu zolondola kumalepheretsa kuwonongeka msanga komanso kumakulitsa luso la kupanga.
Hot-Dip Galvanized (HDG): Njirayi imamiza chitsulo mwachindunji mu zinki yosungunuka. Zimapereka zokutira zokhuthala kwambiri. HDG ikadali chisankho chabwino kwambiri pakukhala ndi moyo wautali wakunja komanso kukhulupirika kwamapangidwe. Chifukwa cha zitsulo zowopsa, mawonekedwe ake omaliza amakhalabe osinthika kwambiri.
Electrogalvanized (EG): Opanga amapaka zinki pogwiritsa ntchito mphamvu yamagetsi mu bafa lamankhwala. Izi zimapanga wosanjikiza woonda kwambiri, wofanana, komanso wonyezimira mwapadera. EG imayimira chisankho choyenera pazogwiritsa ntchito m'nyumba kapena zida zomwe zimafunikira kukongola kopanda cholakwika musanapente. Komabe, imapereka chitetezo chochepa kwambiri cha dzimbiri m'malo owopsa akunja.
Galvannealed Steel: Izi zimagwiritsa ntchito njira yapadera yachiwiri. Pambuyo kupaka koyambirira, theka la galvanized steel coil imagwira ntchito yochizira kutentha nthawi yomweyo. Kutentha kumakakamiza chitsulo kuchokera kuchitsulo chapansi kuti chifalikire kwathunthu muzitsulo za zinc. Zimasiya mapeto a matte imvi zokhala ndi kabowo kakang'ono. Zomwe zimapangidwira zimakhala zowotcherera kwambiri ndipo zimapereka utoto wapamwamba kwambiri, zomwe zimapangitsa kuti azigwiritsidwa ntchito kwambiri popanga magalimoto.
Selection Matrix Logic: Timalangiza ogula kuti aziyika patsogolo zomwe akuyembekezeredwa kuposa kukongola kwachitsulo. Gwiritsani ntchito matrix omwe ali pansipa kuwongolera njira yanu yogulira.
Cholinga cha Ntchito |
Mtundu wovomerezeka |
Khalidwe Lofunika |
Kuwonekera Panja Panja (mwachitsanzo, Highway guardrails) |
Hot-Dip Galvanized (HDG) |
Kunenepa kwambiri, kukongoletsa kosinthika. |
Zida Zazida Zam'nyumba (zopaka utoto kale) |
Electrogalvanized (EG) |
Zopanda cholakwika zosalala pamwamba, chitetezo chochepa. |
Zigawo Zathupi Lamagalimoto (zowotcherera & zopenta) |
Galvannealed Steel |
Matte alloy pamwamba, zomatira bwino za utoto. |
Kugula Mbendera Zofiira: Dzimbiri Loyera ndi Miyezo Yothandizira
Zotumiza zikafika, kuyang'ana kowoneka kumakhalabe kofunika kwambiri kuti muzindikire kusungirako ndi kusamalira zovuta. Muyenera kusiyanitsa pakati pa madontho a zodzikongoletsera ndi zovuta zenizeni zachitsulo.
Kuzindikira 'Dzimbiri Loyera' (Dzimbiri Lonyowa)
Nthawi zina mutha kuvumbulutsa zotsalira zaufa zoyera zomwe zimaphimba chitsulo chatsopanocho. Izi zimadziwika kuti 'dzimbiri loyera' kapena banga lonyowa. Dzimbiri loyera lili ndi zinc hydroxide. Zimapangidwa mofulumira pamene chinyezi chimalowa pakati pazitsulo zolimba zolimba popanda mpweya wokwanira.
Izi nthawi zambiri zimachitika podutsa pansi pa tarps kapena chifukwa chosasunga bwino malo osungiramo zinthu. Dzimbiri loyera limawoneka lochititsa mantha, koma sikuti ndi kulephera kwachitsulo choyambira. Dzimbiri loyera lopepuka komanso loyera limachoka mosavuta ndipo silikhudza kukana kwa dzimbiri kwa nthawi yayitali. Komabe, mawonekedwe okhuthala, akuda, opindika amafunikira kuyeretsedwa mwamakina ndipo atha kuwonetsa kutalika kwa nthawi yotchinga.
Kukhazikitsa Zoyembekeza ndi Othandizira
Kugula zinthu mwachangu kumafuna kulumikizana momveka bwino komanso ziyembekezo zoyendetsedwa ndi data. Mutha kuthetsa mikangano yambiri yokhudzana ndi katundu potengera zolemba zolimba.
Pemphani Malipoti Oyesa Mayeso (MTRs): Nthawi zonse funsani ogulitsa ma MTR musanapereke maoda ogula. Onaninso milingo ya silicon ndi phosphorous. Kuonetsetsa kuti chemistry yachitsulo imakhala mkati mwa magawo abwino kumakuthandizani kuyembekezera zotsatira zomaliza zokongola.
Kuchepetsa Chiwopsezo: Timalangiza mwamphamvu kuti tisatchule 'kufanana kwamitundu' kapena 'uniform spangle' pamakontrakitala ogula zinthu zovimbitsira moto. Zowona za Metallurgical zimapangitsa kusasinthika kowoneka kosatheka m'magulu osiyanasiyana.
Tchulani Miyezo: M'malo mongoyang'ana kukongola, tchulani kutsatira mosamalitsa miyezo yamakampani. Lankhulani kuti zitsatidwe ndi ASTM A123 pazigawo zamapangidwe kapena ASTM A653 pamapepala ndi zinthu zamakoyilo.
Mapeto
Maonekedwe a zitsulo zamagalasi amabwera chifukwa chophatikizana movutikira kwa zitsulo, mitengo yozizirira, ndi chemistry yachitsulo. Ngakhale kuti zonyezimira zasiliva zonyezimira zimawoneka zokongola pansi pafakitale, wosanjikiza wotuwa wotuwa nthawi zambiri umapereka chitetezo chapamwamba komanso chokhalitsa. Kulingalira za zinthu zakuthupi ndi diso lokha kumabweretsa kukanidwa kosafunikira ndi kuwononga chuma.
Tikukulimbikitsani kuti muwunikire zotumizira kutengera makulidwe a zokutira, kapangidwe ka aloyi, ndi miyezo yovomerezeka ya ASTM m'malo mowala pamwamba. Ubwino weniweni wagona mu microscopic metallurgical bond, osati kuwala konyezimira.
Itanani magulu anu ogula zinthu ndi mainjiniya kuti afunsane ndi akatswiri azinthu kumayambiriro kwa gawo lopanga. Pomvetsetsa zenizeni zaukadaulo izi, mutha kusankha molimba mtima mafotokozedwe enieni azitsulo zokutira zinki zomwe zimafunikira malo anu ogwirira ntchito.
FAQ
Q: Kodi ndingadziwe ngati zitsulo zimakometsedwa pogwiritsa ntchito maginito?
A: Ayi. Chitsulo choyambira ndi maginito, koma wosanjikiza wa zinc si. Maginito amamatira ku chitsulo chamalata, koma izi zimangotsimikizira kuti maziko ake ndi achitsulo, osati momwe amapangira.
Q: N’chifukwa chiyani mbali zina zokhala ndi malata zimawoneka zonyezimira pamene zina zochokera m’gulu lomwelo zimawoneka zosaoneka bwino?
A: Kusiyana kwa kuziziritsa kapena kusiyanasiyana pang'ono kwa chemistry yachitsulo (makamaka silicon ndi phosphorous) kumapangitsa kuti pakhale mapangidwe osiyanasiyana a aloyi ya iron-zinc.
Q: Kodi malata ndi olemera kuposa zitsulo wamba?
A: Inde, koma pang'onopang'ono. Kupaka kwa zinki kumawonjezera kulemera pang'ono, komwe kungakhale chizindikiro chachiwiri poyerekeza magawo awiri ofanana.
Q: Kodi mungapente pazitsulo zamalata ngati simukukonda mawonekedwe ake?
A: Inde, pogwiritsa ntchito 'duplex system' Komabe, pamwamba payenera kukhala ndi mbiri yabwino ndi nyengo, kapena zoyambira zenizeni ziyenera kugwiritsidwa ntchito molingana ndi miyezo ya ASTM D6386 kuti mupewe kusenda.
