Otu: Ụdị osisi:
Anticorrosive osisi siri ike: eke, gburugburu ebe obibi enyi na nchekwa (osisi ahụ dị na agba mbụ ya, obere akwụkwọ ndụ akwụkwọ ndụ).N'ezie, na mgbakwunye na njirimara mgbochi corrosion, osisi mgbochi corrosion nwekwara àgwà nke ezigbo permeability na ike na-eguzogide ọnwụ.N'otu oge ahụ, ọ nwere ike igbochi mgbanwe nke mmiri mmiri nke osisi a na-agwọ ma belata ogo nke ịkụ osisi.Osisi mgbochi corrosion a na-ahụkarị na-agụnye ihe abụọ: Russian Pinus sylvestris na Nordic Scots Pine.Osisi pine nke Russia na-echekwa osisi bụ isi ihe eji echekwa osisi na-ebubata na China, a na-ejikwa ndị ọrụ CCA na-emeso ọtụtụ n'ime ha.A na-echekwa osisi nchekwa nke Nordic red pine na-echekwa na mba ọzọ, a na-ejikwa ndị ọrụ ACQ na-emeso osisi ndị na-echekwa ihe na-ebubata na mba ahụ maka ire ere kpọmkwem ma na-akpọkarị "osisi Finnish".Ndị mmadụ maara nke ọma ịkpọ osisi nchekwa dị ka osisi Finnish.N'ezie, nke a adịghị mma.Ọ dị mfe maka ndị na-aghọtaghị osisi nchekwa aghọtahie.
Abụọ: igwe anaghị agba nchara:
A na-abiri nchara na-eguzogide nchara dị ka igwe anaghị agba nchara.Elu nke igwe anaghị agba nchara dị nro ma nwee nnukwu plasticity, ike na ike ọrụ.Ọ na-eguzogide corrosion site acid, alkaline gas, ngwọta na mgbasa ozi ndị ọzọ.Ọ bụ ígwè alloy nke na-adịghị mfe nchara, ma ọ bụghị nchara kpamkpam.Efere igwe anaghị agba nchara bụ efere ígwè nke na-eguzogide mgbasa ozi adịghị ike dị ka ikuku, uzuoku na mmiri, ebe ígwè na-eguzogide acid na-ezo aka na efere ígwè na-eguzogide acid, alkali, nnu na ihe ndị ọzọ na-emerụ ahụ.Ihe mejupụtara ya bụ igwe anaghị agba nchara yana nchara na-eguzogide acid.A na-akpọ nchara nke nwere ike iguzogide corrosion ikuku igwe anaghị agba nchara, na nchara nke nwere ike iguzogide corrosion mgbasa ozi kemịkalụ ka a na-akpọ ígwè na-eguzogide acid.N'ikwu okwu n'ozuzu, ígwè nwere ọdịnaya nke Wcr karịa 12% nwere njirimara igwe anaghị agba nchara.Dị ka microstructure mgbe okpomọkụ ọgwụgwọ, igwe anaghị agba nchara nwere ike kewaa ise: ferritic igwe anaghị agba nchara, martensitic igwe anaghị agba nchara, austenitic igwe anaghị agba nchara, Austenitic-ferritic igwe anaghị agba nchara na precipitated carbide igwe anaghị agba nchara.
N'ihi na igwe anaghị agba nchara nwere ọmarịcha nguzogide corrosion, nhazi, ndakọrịta, na ịdị ike na oke okpomọkụ, ejirila ya na ụlọ ọrụ dị arọ, ụlọ ọrụ ọkụ, ụlọ ọrụ ihe ndị dị mkpa kwa ụbọchị, ịchọ mma ụlọ na ụlọ ọrụ ndị ọzọ..
Atọ: Ụdị mpempe akwụkwọ na-ekpo ọkụ na-ekpo ọkụ:
Galvanized ígwè mpempe akwụkwọ bụ iji gbochie corrosion n'elu nke ígwè mpempe akwụkwọ na ogologo ndụ ọrụ ya.A na-ekpuchi elu nke mpempe akwụkwọ ígwè na akwa zinc ígwè.A na-akpọ ụdị mpempe akwụkwọ nchara galvanized a galvanized mpempe akwụkwọ.
Dịka usoro mmepụta na nhazi si dị, enwere ike kewaa ya n'ụdị ndị a:
① Hot-mikpu galvanized ígwè mpempe akwụkwọ.A na-emikpu efere ígwè ahụ dị mkpa n'ime bat zinc a wụrụ awụ, nke mere na efere ígwè dị mkpa nke nwere akwa zinc na-arapara n'elu.Ka ọ dị ugbu a, a na-ejikarị usoro galvanizing na-aga n'ihu na-emepụta ihe, ya bụ, a na-agbanye mpempe akwụkwọ a na-agbanye n'ọkụ na-aga n'ihu na bath galvanized na zinc gbazere iji mee mpempe akwụkwọ ígwè;
② alloyed galvanized ígwè mpempe akwụkwọ.A na-arụpụtakwa ụdị efere ígwè a site na usoro ntinye ọkụ na-ekpo ọkụ, ma mgbe ọ si na tank ahụ pụta, ọ na-ekpo ọkụ ruo ihe dịka 500 ℃ ozugbo iji mepụta ihe nkiri alloy nke zinc na ígwè.Ụdị mpempe akwụkwọ galvanized a nwere ezigbo mmachi agba na weldability;
③ Electro-galvanized ígwè mpempe akwụkwọ.Mpempe akwụkwọ ígwè galvanized nke a na-emepụta site na usoro electroplating nwere ezigbo ọrụ.Otú ọ dị, mkpuchi ahụ dị ntakịrị, na nkwụsị nke corrosion adịghị mma dị ka mpempe akwụkwọ galvanized na-ekpo ọkụ;
④ Otu akụkụ na akụkụ abụọ dị iche iche galvanized ígwè mpempe akwụkwọ.Mpempe ígwè galvanized nwere otu akụkụ bụ ngwaahịa a na-etinye n'otu akụkụ naanị.Na ịgbado ọkụ, eserese, mgbochi nchara ọgwụgwọ, nhazi, wdg, ọ nwere mma mgbanwe karịa abụọ-akụkụ galvanized mpempe akwụkwọ.Iji merie adịghị ike nke zinc a na-ejighị n'aka n'otu akụkụ, e nwere ụdị ọzọ nke galvanized mpempe akwụkwọ na-ekpuchi akwa akwa nke zinc n'akụkụ nke ọzọ, ya bụ, mpempe akwụkwọ galvanized dị n'akụkụ abụọ;
⑤ Alloy na ngwakọta galvanized ígwè mpempe akwụkwọ.A na-eji zinc na ọla ndị ọzọ dị ka aluminom, lead, zinc, wdg iji mee alloys ma ọ bụ ọbụna ihe mejupụtara efere ígwè.Ụdị efere ígwè a ọ bụghị nanị na-arụ ọrụ mgbochi nchara dị mma, kamakwa ọ na-arụ ọrụ mkpuchi dị mma;
Na mgbakwunye na ụdị ise ndị a dị n'elu, e nwere mpempe akwụkwọ ígwè galvanized agba, mpempe akwụkwọ mpempe akwụkwọ nke galvanized, na PVC laminated galvanized steel sheet.Mana ugbu a nke a na-ejikarị ka bụ mpempe akwụkwọ galvanized na-ekpo ọkụ.
Anọ: Plastic
Ebe ọ bụ na e ji rọba mee ya, a na-akpọ ya ihe mkpofu ahịhịa.Ihe mejupụtara: polyethylene HDPE dị elu ma ọ bụ polypropylene PP polypropylene ọhụrụ plastik ọhụrụ abụọ.
Atụmatụ:
(1) Nguzogide acid, nguzogide alkali, nguzogide corrosion na nguzogide ihu igwe siri ike;
(2) Nkuku okirikiri gbara gburugburu nke ọdụ ụgbọ mmiri na-ebufe dị mma na enweghị uru;
(3) Elu dị larịị ma dị ọcha, na-ebelata ihe mkpofu na-adị mfe ihicha;
(4) Enwere ike ịgbanye ya na ibe ya, nke dị mma maka njem ma chekwaa ohere na ọnụ ahịa;
(5) Enwere ike iji ya mee ihe n'ime oke okpomọkụ nke -30 ℃ ~ 65 ℃;
(6) Enwere agba dị iche iche ịhọrọ site na, nke enwere ike ijikọ dịka mkpa nhazi ọkwa;
(7) A na-eji ya eme ihe na gburugburu ebe dị iche iche, a pụkwara iji ya mee ihe maka nchịkọta ihe mkpofu, dịka ihe onwunwe, ụlọ ọrụ mmepụta ihe, idebe ihe ọcha, wdg.
Uru:
Mpempe ahịhịa rọba dị mfe ịhazi ma bụrụ nke ejiri ihe nchekwa ike mee.N'iji ya eme ihe, ọ bụghị nanị na ọ na-ebelata ọtụtụ ụgwọ, ma ọ nwekwara ngosipụta zuru oke maka mmelite nke ndụ ọrụ.Mpempe ahịhịa plastik nwekwara ngosipụta dị mma maka ihicha karịa.Anyị na-atụba unyi n'ime ite ahịhịa.Maka ọtụtụ ụmụaka ugbu a, ọ ga-enwekwa uru mmụta ka mma, na-akpali iji ya mee ihe.Na-egosi ụzọ dị iche iche eji ihe.Mfe nke ihicha bụkwa uru nke ihe mkpofu rọba, nke na-egosikwu ihe ndị na-eme ka ndị ọrụ na-eme ka ihe mkpofu na-arụ ọrụ.
Oge nzipu: Jul-30-2021