Menene bambanci tsakanin spangle da sifili-spangle na galvanized coil?

4. Menene ka'idar kariya tazafi-tsoma galvanizedLayer?

Amsa: Domin zinc na iya samar da fim mai kyau da juriya na lalata a cikin yanayi mai lalata.Yana kare ba kawai zinc Layer kanta ba, har ma da tushe na karfe.

5. Menene ka'idar passivation na zafi-tsoma galvanized nada?

Amsa: The chromate passivation jiyya nagalvanized takardarzai iya samar da fim ɗin wucewa, kuma tsarin halayensa na sinadaran shine kamar haka: Zn+H2GrO4-ZnGrO2=H2

Trivalent chromium a cikin maganin passivation iyali ba ya narkewa a cikin ruwa, ba shi da aiki da sinadarai, kuma yana aiki azaman kwarangwal, yayin da chromium hexavalent yana iya narkewa cikin sauƙi cikin ruwa kuma yana iya taka rawa wajen sake motsa jiki lokacin da fim ɗin wucewa ya karu.Yana da tasirin warkarwa na fim ɗin wucewa.Sabili da haka, a cikin ƙayyadaddun iyaka, fim ɗin wucewa zai iya hana kai tsaye yashwa na galvanized takardar ta tururi ko m iska, da kuma zinc Layer taka wani m rawa.

6. Menene hanyoyin gwajin lalata juriya nazafi-tsoma galvanized takardar nada?

Amsa: Akwai hanyoyi guda uku don gwada juriya na lalatawar takardar galvanized mai zafi mai zafi: gwajin feshin gishiri;gwajin zafi;gwajin zaizayar kasa.

7. Me ya sa za a gudanar da maganin tsatsa a kan samfuran galvanized mai zafi?

Amsa: Lokacin da takardar galvanized mai zafi ta kasance a cikin iska mai laushi, musamman lokacin da iska ta ƙunshi sinadarai na acidic irin su SiO2, CO2, NO2 da NO, saman shimfidar galvanized zai zama fari mai tsatsa.Babban abubuwan da ke tattare da tsatsa shine ZnO da Zn (OH) 2. Irin wannan tsatsa ba wai kawai yana shafar bayyanar ba, har ma yana kawo matsala mai yawa don amfani da gaba.

8. Menene dalilan farar tsatsa a kaigalvanized nada?

Amsa: Dalilan da ke haifar da tsatsa su ne: ana sanya galvanizing mai zafi tare da sauran hanyoyin lalata kamar su acid, alkali da gishiri;fim din passivation ko anti-fim ya lalace;tasirin wucewa ko mai ba shi da kyau;ma'ajiyar ajiya ba ta da iska sosai, Danshi;galvanized takardar da aka fesa da ruwa a lokacin sufuri;hawa a ƙananan zafin jiki kuma an adana shi a babban zafin jiki, yana samar da iska.