Kedu ihe bụ pickling phosphating
Ọ bụ usoro maka ọgwụgwọ elu igwe, pickling bụ iji ntinye nke acid dị ọcha iji wepụ nchara nchara.Phosphating bụ ịgbanye ígwè a na-asacha acid na ngwọta phosphating iji mepụta ihe nkiri oxide n'elu, nke nwere ike igbochi nchara ma melite nchikota nke agba iji kwadebe maka nzọụkwụ ọzọ.

Pickling iji wepụ nchara na bee bụ usoro a na-ejikarị eme ihe n'ubi mmepụta ihe.A na-enweta ebumnobi nke iwepụ nchara na iwepụ akpụkpọ ahụ site n'ịwepụ hydrogen site na mgbaze acid nke oxide na corrosion mepụtara.Ndị a na-ejikarị eme pickling bụ hydrochloric acid, sulfuric acid na phosphoric acid.A naghị eji nitric acid eme ihe n'ihi na ọ na-emepụta gas nitrogen dioxide na-egbu egbu n'oge a na-atụtụ.Hydrochloric acid pickling kwesịrị ekwesị maka ojiji na obere okpomọkụ, ekwesịghị gafere 45 ℃, ojiji nke ịta nke 10% ka 45% kwesịrị ịgbakwunye ihe kwesịrị ekwesị ego nke acid alụlụ inhibitor kwesịrị ekwesị.Sulfuric acid na obere okpomọkụ pickling ọsọ bụ nnọọ ngwa ngwa, kwesịrị iji na-ajụ okpomọkụ, na okpomọkụ nke 50 ~ 80 ℃, ojiji nke ịta nke 10% ~ 25%.Uru nke phosphoric acid pickling bụ na ọ gaghị emepụta ihe ndị na-emebi emebi (karịa ma ọ bụ obere a ga-enwe Cl-, SO42- residue mgbe hydrochloric acid na sulfuric acid pickling), nke dịtụ mma, ma mwepu nke phosphoric acid bụ na. ọnụ ahịa dị elu, ọsọ pickling na-adị ngwa, mkpokọta ojiji ịta nke 10% ruo 40%, na ọgwụgwọ ọgwụgwọ nwere ike ịbụ okpomọkụ nkịtị ruo 80 ℃.N'ime usoro nchịkọta, iji acids agwakọta bụkwa ụzọ dị irè, dị ka hydrochloric-sulfuric acid mix acid, phospho-citric acid mix acid.A ga-atụkwasịrịrị oke ihe mgbochi corrosion kwesịrị ekwesị na ntụ ntụ, iwepụ nchara na mkpochapụ oxidation.E nwere ọtụtụ ụdị ihe mgbochi corrosion, na nhọrọ dịtụ mfe, na ọrụ ya bụ igbochi metal corrosion na igbochi "hydrogen embrittlement".Otú ọ dị, mgbe pickling "hydrogen embrittleness" mmetụta uche workpieces, nhọrọ nke corrosion inhibitors kwesịrị ịkpachara anya karịsịa, n'ihi na ụfọdụ corrosion inhibitors na-egbochi mmeghachi omume nke abụọ hydrogen atọm n'ime hydrogen ụmụ irighiri, ya bụ: 2[H] → H2↑, nke mere na ịta ịta. nke hydrogen atom n'elu nke ígwè na-abawanye, na-eme ka "hydrogen embrittleness" ọchịchọ.Ya mere, ọ dị mkpa ịgakwuru akwụkwọ ntuziaka corrosion data ma ọ bụ mee ule "hydrogen embrittlements" iji zere iji ihe mgbochi corrosion dị ize ndụ.

Ọganihu nke teknụzụ nhicha ụlọ ọrụ - ihicha laser green
Ihe a na-akpọ teknụzụ nhicha laser na-ezo aka n'iji ọkụ ọkụ laser dị elu na-eme ka elu nke workpiece ahụ pụta, nke mere na elu nke unyi, nchara ma ọ bụ mkpuchi ozugbo evaporation ma ọ bụ ịkwapụ, ngwa ngwa na-arụ ọrụ nke ọma na-ewepụ ihe dị elu. mgbakwunye ma ọ bụ mkpuchi elu, ka o wee nweta usoro dị ọcha.Ọ bụ nkà na ụzụ ọhụrụ na-adabere na mmetụta mmekọrịta nke laser na ihe, ma nwee uru doro anya ma e jiri ya tụnyere omenala ihicha ụzọ dị ka nchacha ígwè, chemical corrosion ihicha, mmiri mmiri siri ike mmetụta ihicha, elu ugboro ultrasonic ihicha.Ọ na-arụ ọrụ nke ọma, ngwa ngwa, ọnụ ala dị ala, obere ihe ọkụ ọkụ na ibu ígwè ọrụ na mkpụrụ, na-adịghị emebi emebi maka ihicha;Enwere ike ịmegharị ihe mkpofu, ọ dịghị ihe na-emetọ gburugburu ebe obibi dị mma ma bụrụ nke a pụrụ ịdabere na ya, adịghị emebi ahụike nke onye na-arụ ọrụ nwere ike wepụ ihe dị iche iche dị iche iche nke ọkpụkpụ dị iche iche, ihe dị iche iche nke usoro nhazi ọkwa mkpuchi dị mfe iji nweta njikwa akpaka, njikwa anya na ihe ndị ọzọ.

Teknụzụ nhicha laser na-acha akwụkwọ ndụ akwụkwọ ndụ na enweghị mmetọ na-edozi nkatọ mmetọ gburugburu ebe obibi nke teknụzụ ọgwụgwọ phosphating pickling.Teknụzụ nke nchekwa gburugburu ebe obibi na teknụzụ ihicha akwụkwọ ndụ akwụkwọ ndụ - “ihicha laser” wee bilie na oke mmiri.Nnyocha ya na mmepe ya na ngwa ya na-eduga mgbanwe ọhụrụ nke ụdị nhicha ụlọ ọrụ mmepụta ihe ma weta ọhụụ ọhụrụ na ụlọ ọrụ ọgwụgwọ elu ụwa.