Usoro nhazi nke oyi akwa galvanized na-ekpo ọkụ na-ekpo ọkụ bụ usoro nke ịmepụta ígwè-zinc alloy n'etiti mkpụrụ ígwè na akwa zinc dị n'èzí.A na-emepụta oyi akwa ígwè-zinc alloy n'elu ihe a na-arụ ọrụ n'oge a na-etinye ọkụ na-ekpo ọkụ, nke mere na ígwè na akwa zinc dị ọcha dị nso.Ngwakọta dị mma.Usoro nke nnukwu coils nkegalvanized wayaEnwere ike ịkọwa ya dị ka: mgbe a na-emikpu ihe eji arụ ọrụ ígwè n'ime mmiri zinc gbazere, ngwọta siri ike nke zinc na α-ígwè (ahụ center) na-ebu ụzọ emepụta na interface.Nke a bụ kristal kpụrụ site na agbaze zinc atọm na isi ígwè ígwè na steeti siri ike.Atọm ọla abụọ a jikọtara ọnụ, na mmasi dị n'etiti atọm ahụ pere mpe.
Ya mere, mgbe zinc ruru saturation na ngwọta siri ike, atom nke zinc na ígwè na-agbasa n'ime ibe ha, na zinc atom nke na-agbasa n'ime (ma ọ bụ banye n'ime) ígwè matriks na-akwaga na matrix lattice, jiri nwayọọ nwayọọ na-etolite alloy na ígwè. wee gbasaa n'ime Ígwè dị n'ime mmiri zinc a wụrụ awụ na-emepụta ngwakọta intermetallic FeZn13 nwere zinc, na-emikpu n'ime ala nke ite galvanizing na-ekpo ọkụ, wee ghọọ zinc slag.Mgbe a na-ewepụ ihe na-arụ ọrụ na zinc dipping ngwọta, a na-emepụta akwa zinc dị ọcha n'elu, nke bụ kristal hexagonal, na ọdịnaya ígwè ya abụghị ihe karịrị 0.003%.
Galvanizing na-ekpo ọkụ, nke a makwaara dị ka ihe na-ekpo ọkụgalvanizing, bụ usoro a na-etinye ihe nchara nchara n'ime zinc a wụrụ awụ iji nweta mkpuchi ọla.Site na mmepe ngwa ngwa nke nnyefe ike voltaji dị elu, njem, na nkwurịta okwu, ihe nchebe chọrọ maka akụkụ ígwè na-arịwanye elu, na ọchịchọ maka galvanizing na-ekpo ọkụ na-arịwanye elu.Ọtụtụ mgbe, ọkpụrụkpụ nke electro-galvanized oyi akwa bụ 5-15 μm, ebe ọkpụrụkpụ nke nnukwu eriri igwe galvanized waya oyi akwa bụ n'ozuzu n'elu 35 μm, ọbụna dị ka 200 μm.Galvanizing na-ekpo ọkụ na-ekpo ọkụ nwere mkpuchi dị mma, mkpuchi dị oke, na enweghị ihe mgbakwunye organic.
Dị ka anyị niile maara, usoro nke zinc si na-egbochi ikuku corrosion gụnyere nchedo igwe na nchedo electrochemical.N'okpuru ọnọdụ corrosion ikuku, e nwere ZnO, Zn (OH) 2 na ihe nkiri nchebe zinc carbonate bụ isi n'elu akwa akwa zinc, nke na-ebelata corrosion nke zinc ruo n'ókè ụfọdụ.Akpa oyi akwa nke ihe nkiri nchebe (nke a makwaara dị ka nchara ọcha) mebiri emebi, a ga-emepụta ihe nkiri ihe nkiri ọhụrụ.
Mgbe akwa akwa zinc mebiri nke ukwuu ma tinye mkpụrụ nke ígwè ahụ n'ihe ize ndụ, zinc ga-echebe mkpụrụ osisi electrochemically, ikike nke zinc bụ -0.76V, ikike ọkọlọtọ nke ígwè bụ -0.44V.Mgbe zinc na ígwè na-etolite obere batrị, zinc na-agbaze dị ka anode, na ígwè na-echebe dị ka cathode.N'ụzọ doro anya, galvanizing na-ekpo ọkụ dị mma karịa electro-galvanizing na ikike ya iguzogide corrosion ikuku nke isi ígwè ígwè.
Oge nzipu: 14-06-23