Uila galvanized:
He maʻalahi ke kila ma ka lewa, ka wai a lepo paha, a i ʻole ka pōʻino loa.ʻO ka poho kila makahiki ma muli o ka corrosion e pili ana i ka 1/10 o ka huahana kila holoʻokoʻa.Eia kekahi, i mea e hāʻawi ai i ka ʻili o nā huahana kila a me nā ʻāpana i kahi hana kūikawā, ʻoiai e hāʻawi ana iā lākou i kahi hiʻohiʻona hoʻonaninani, mālama ʻia lākou e ka electro-galvanizing.
① Kumu:
No ka mea ʻaʻole maʻalahi ka zinc e hoʻololi i ka ea maloʻo, i ka ea haʻahaʻa, hiki i ka ʻili ke hoʻohua i kahi kiʻiʻoniʻoni carbonate base-type nui, hiki ke pale pono i ka loko ʻaʻole e ʻino hou.
② Nā hiʻohiʻona hana:
1. He mānoanoa ka uhi zinc, me nā kristal maikaʻi, kūlike a ʻaʻohe porosity, a me ke kūpaʻa maikaʻi ʻana;
2. ʻO ka papa zinc i loaʻa ma ka electroplating he maʻemaʻe ia, a hoʻopau mālie i ka noe o ka waikawa, alkali, a me nā mea ʻē aʻe, a hiki ke pale pono i ka substrate kila;
3. Hoʻopili ʻia ka zinc coating e ka chromic acid e hana i ke keʻokeʻo, waihoʻoluʻu, ʻōmaʻomaʻo koa, a me nā mea ʻē aʻe, he nani a hoʻonani;
4. No ka maikaʻi o ka ductility o ka zinc coating, hiki ke hana ʻia e ke kuʻi anuanu, ka ʻōwili ʻana, ka kuʻi ʻana, a me nā mea ʻē aʻe me ka ʻole e hōʻino i ka uhi.
③ Ka laulā noi:
Me ka hoʻomohala ʻana i ka hana ʻepekema a me ka ʻenehana, ua ʻoi aku ka nui o nā māla i pili i ka ʻoihana electroplating.I kēia manawa, ua laha ka noi o ka electro-galvanization i nā ʻoihana hana like ʻole a me nā keʻena noiʻi.
ʻO nā galvanized wela:
Ⅰ.Nānā nui:
Ma ke ʻano o ka uhi ʻana o nā matrix kila pale ʻia, maikaʻi loa ka wela wela.Aia i loko o kahi moku'āina kahi i wai ai ka zinc, ma hope o kahi physics paʻakikī, kemika, ʻaʻole wale kahi papa zinc maʻemaʻe mānoanoa ʻaʻole wale i uhi ʻia ma ke kila, akā he papa zinc-ferrous pū kekahi.ʻAʻole i loaʻa i kēia ʻano plating kahi ʻano kūʻē corrosion o ka galvanization uila, akā ma muli nō hoʻi o kahi ʻāpana zinc hao.Loaʻa iā ia ke kū'ē ikaika i ka zinc electroplated.No laila, kūpono loa kēia ʻano plating no kahi kaiapuni corrosive ikaika e like me ke ʻano o ka waikawa ikaika, ka noe alkaline.
Ⅱ.Kumu:
ʻO ka papa galvanized wela ka zinc i ka wai wela kiʻekiʻe, a ua hana ʻia e ʻekolu mau ʻanuʻu:
1. Hoʻoheheʻe ʻia ka ʻili o ka hao e ka solution zinc e hana i kahi pae zinc-ferrous;
2. Hoʻopuehu hou ʻia nā ion Zinc i loko o ka ʻāpana huila i ka substrate e hana ai i kahi papa intercollation hao zinc;
3. ua hoʻopaʻa ʻia ka ʻili o ka ʻili i loko o ka papa zinc.
Ⅲ.Nā hiʻohiʻona hana:
(1) Loaʻa i nā uhi zinc maʻemaʻe mānoanoa ma ka ʻili o ke kila, kahi e pale ai i ka hoʻopili ʻana o ka matrix kila mai nā hopena ʻino e pale ai i ka matrix kila mai ka pala.I loko o ka lewa maʻamau, ʻo ka ʻili o ka papa zinc e hana i kahi ʻāpana lahilahi o ka ʻāpana zinc oxide lahilahi a paʻakikī, he paʻakikī ke solute i ka wai, no laila ke pāʻani nei ka matrix kila i kekahi hopena pale.
(2) Me ka iron-zinc alloy layer, i hui pū ʻia me ka paʻakai, i loko o ka lewa humex paʻakai moana a me ka lewa ʻoihana i hōʻike i ke kū kūʻokoʻa o ka corrosion;
(3) No ka paʻa ʻana o ka hui ʻana, ua hoʻoheheʻe ʻia ka zinc-iron, ua ikaika ka pale ʻana i ka lole;
(4) No ka maikaʻi o ka ductility o ka zinc, ua hoʻopaʻa paʻa ʻia ka ʻāpana alloy i ka hui kila, no laila hiki i nā ʻāpana wela wela ke hoʻoheheʻe ʻia, ʻōwili, palaki, curved, a me nā mea like me ka ʻole o ka hōʻino ʻana i ka uhi;
(5) Ma hope o ka galvanization wela o ke kila finisse, ua like ia me ka annealing treatment, hiki ke hoʻomaikaʻi maikaʻi i nā waiwai mechanical o ka matrix kila, hoʻopau i ke koʻikoʻi o ka hoʻoheheʻe ʻana i ke kila, ʻoi aku ka maikaʻi no ka hoʻohuli ʻana i ka lālā hoʻolālā kila.
(6) He nani a nani ka ʻili o nā ʻāpana ma hope o ka galvanization wela.
(7) ʻO ka papa zinc maʻemaʻe ka papa galvanized plastic-plastic-plated galvanized i ka wela wela, kahi kokoke loa i ka zinc maʻemaʻe, ductility, no laila hiki ke maʻalahi.
Ⅳ.Ka laulā o ka noi:
ʻO ka hoʻohana ʻana i ka hot-dip ghanelyly i ka hoʻomohala ʻana i ka hoʻomohala ʻenehana a me ka mahiʻai.No laila, ʻo nā huahana hot-dip ghred he ʻenehana (e like me nā mea hana kemika, ka ʻaila ʻaila, ka ʻimi moana, ka hale metala, ka hāʻawi ʻana i ka uila, ka hana moku, a me nā mea ʻē aʻe), ka mahiʻai (e like me: sprinkling), hoʻolālā (e like me ka hāʻawi ʻana i ka wai a me ke kinoea, Ua hoʻohana ʻia ke alahaka, ka halihali, a me nā mea ʻē aʻe i kekahi mau makahiki i hala iho nei.
No ka mea, he nani nā hiʻohiʻona o nā huahana galvanized wela, maikaʻi ke kūʻē i ka corrosion, ʻoi aku ka laulā o kāna noi.
Ka manawa hoʻouna: Jan-29-2023