Galvanizing na-ezo aka na teknụzụ ọgwụgwọ elu nke ịkwanye akwa zinc n'elu ígwè, alloy ma ọ bụ ihe ndị ọzọ maka nzube nke ịma mma na mgbochi nchara. Ụzọ bụ isi na-ekpo ọkụ na-ekpo ọkụ.
Zinc bụ soluble na acid na alkali, n'ihi ya, a na-akpọ ya amphoteric metal. Zinc na-agbanwe ntakịrị na ikuku akọrọ.Na mmiri na-ekpo ọkụ, ihe dị n'elu zinc ga-etolite nnukwu ihe nkiri zinc carbonate.Containing sulfur dioxide, hydrogen sulfide na mmiri ikuku, zinc corrosion resistance bụ ogbenye, karịsịa na elu okpomọkụ na elu iru mmiri nwere organic acid ikuku, zinc mkpuchi dị mfe ịbụ ọkọlọtọ - corro.7. Maka matrix ígwè, mkpuchi zinc bụ nke mkpuchi anodic, nke a na-ejikarị egbochi mmebi nke ígwè. Ọrụ nchebe ya nwere mmekọrịta dị ukwuu na ọkpụrụkpụ mkpuchi. Ihe nchebe na ihe ịchọ mma nke mkpuchi zinc nwere ike ime ka ọ dịkwuo mma site na ngafe, nsị ma ọ bụ mkpuchi na onye na-echebe ya.
Ụkpụrụ bụ ngwa ngwa oxidize n'elu ígwè na ígwè ngwaahịa na-etolite a ok oxide film nchebe Layer.There bụ abụọ a na-ejikarị ụzọ nke blackening: omenala alkaline kpo oku blackening na mbubreyo blackening na ụlọ okpomọkụ.Ma mmetụta nke ụlọ okpomọkụ blackening usoro na ala carbon ígwè adịghị mma.Ọ dị mma ka blacken A3 ígwè na alkali.Alkalescent blackening bụ iche nke blackquo sodium dị iche iche na abụọ na-enwe ọzọ blackquo; hydroxide na sodium nitrite.The okpomọkụ a chọrọ maka blackening bụ mbara, sitere na site na banyere 135 degrees Celsius ka 155 degrees Celsius, na ị na-enweta a mara mma elu, ma ọ na-ewe oge ụfọdụ.Na bara uru ọrụ, nlebara anya kwesịrị ịkwụ ụgwọ àgwà nke nchara na mmanụ mwepụ tupu blackening nke workpiece, na passivation mmanụ immersion mgbe blackening.The àgwà nke blackening na-agbanwe mgbe nile na mmiri mmiri bluicin. Acid oxidation. Usoro nke ịmepụta ihe nkiri oxide na elu igwe iji gbochie corrosion ka a na-akpọ "bluing" , ihe nkiri oxide kpụrụ n'elu metal ojii mgbe ọgwụgwọ "bluing", nke dị n'elu bụ tumadi ferric oxide na n'ime oyi akwa bụ ferrous oxide.
A na-ejikarị bolts dị elu eme ihe na nkwonkwo dị mkpa, na-enwekwu esemokwu na shear. Nzọụkwụ ikpeazụ na nhazi nhazi bụ ọgwụgwọ okpomọkụ, nke a na-akpọkarị quenching, iji mee ka ike dị elu. reheat ọgwụgwọ nke elu-ike bolts bụ a dịtụ ike oxidation film.Ọ gaghị nchara mgbe ọ na-adịghị na kọntaktị na corrosive bekee.
https://www.china-bolt-pin.com/
Oge nzipu: Sep-09-2019