N'okpuru ọnọdụ okike, a ga-emepụta ihe nkiri 10-20A oxide n'elu akụkụ ígwè n'ihi kọntaktị na oxygen na ikuku.N'oge a na-emepụta ihe nkiri okike, dabere na njirimara anụ ahụ nke metal ahụ n'onwe ya, ọnọdụ elu na ọnọdụ oxidation, ụfọdụ ihe nkiri oxide kpụrụ dị gịrịgịrị, ụfọdụ dị oke ma zuru oke, ụfọdụ na-atọkwa ụtọ na ezughị ezu.N'ọtụtụ ọnọdụ, ihe nkiri oxide eke emebere enweghị ike igbochi ọla ahụ nke ọma nke ọma.
E nwere ọtụtụ ụzọ ọgwụgwọ oxidation maka ígwè, gụnyere alkaline chemical oxidation, alkali-free oxidation, elu okpomọkụ gas oxidation na electrochemical oxidation.Ka ọ dị ugbu a, a na-eji usoro oxidation alkaline eme ihe n'ọtụtụ ebe na ụlọ ọrụ.(Ozokwa usoro oxidation acid)
Ihe e ji mara ihe nkiri oxide: agba mara mma, ọ dịghị hydrogen embrittlement, elasticity, ihe nkiri dị mkpa (0.5-1.5um), enweghị mmetụta dị ịrịba ama na nha na izi ezi nke akụkụ ahụ, ma nweekwa mmetụta ụfọdụ n'iwepụ nrụgide na-akpata mgbe okpomọkụ gasịrị. ọgwụgwọ.
Ngwọta ịgbaji bụ ụdị usoro ọgwụgwọ oxidation elu.The metal akụkụ na-enịm ke nnọọ ndọpụ ngwọta nke alkali na oxidant, kpụ ọkụ n'ọnụ na oxidized na a ụfọdụ okpomọkụ, nke mere na a oyi akwa nke edo na ok metal elu na-guzobere na ike bonded ka isi metal.A na-akpọ usoro ihe nkiri ferric oxide blackening.N'ihi mmetụta nke ihe dị iche iche na-arụ ọrụ, agba nke ihe nkiri a bụ acha anụnụ anụnụ-oji, nwa, ọbara ọbara-agba aja aja, tan, wdg.
Ebumnuche nke ọgwụgwọ blackening nwere isi ihe atọ ndị a:
1. Mgbochi nchara mmetụta na metal elu.
2. Mee ka mma na mma nke elu igwe dị elu.
3. Igwe kpo oku n'oge oge oji na-enyere aka belata nrụgide na workpiece.
N'ihi na ọgwụgwọ blackening nwere mmetụta ndị a kpọtụrụ aha n'elu, ọnụ ahịa dị ala, na àgwà dị elu, a na-ejikarị ya eme ihe na ọgwụgwọ elu igwe na mgbochi nchara n'etiti usoro.
Oge nzipu: Ọgọst-24-2022