Mmepụta na ntinye (ọkwa nri) ọkpọcha nchara
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Ma enwere ike iji ụdị electroscopy (AES) usoro ihe nkiri X-ray) na-enyocha elu igwe anaghị agba nchara iji chọpụta nguzogide nke ime na-enweghị atụ. Ntụle nyocha nke otu usoro dị obere, nke nwere ike erughị 20nm, ọrụ mbụ ya bụ ịmata ọdịiche dị n'etiti ihe. Nnyocha nke usoro XPS dị ihe dị ka 10μm, nke kwesịrị ekwesị iji doo anya nke ihe ndị dị n'akụkụ nke ihe dị n'akụkụ.
A na-eji Aes na XPS ihe na-achọpụta nyocha ahụ n'elu ala ma na-egbukepụ mmanụ nchara nke ekpughere n'elu ikuku. A na-ekwubi na ngụkọta nke elu nke elu-igwe anaghị agba nchara bụ 15nm, na ọgwụgwọ nkwenye dị mkpa. Ihe mejupụtara, ọkpụrụkpụ na ikike mgbochi ya, wdg.
Dabere na nkọwa ahụ, eriri dị ala nwere chromium na nickel, na ụfọdụ nwere molybium1), titanium, wdg Chromium, nke nwere nguzogide na-eguzogide. Na-eguzogide nguzozi nke mmezi nke chromium-oyi nke chromium nke bara ụba, oyi akwa ahụ na-abụkarị 3-5nm oké, ma ọ bụ dị ka mmiri 15 nke ụmụ irighiri mmiri. A na-emepụta ntuli aka n'oge usoro mmeghachi omume nke ikuku na-emegharị anya, nke chromium na iron. Ọ bụrụ na a ga-emebi oyigharị ahụ, a ga-emepụta oyi akwa ọhụrụ ma ọ bụ ụkpụrụ nke sel ndị Galvanic ozugbo. Mpempe akwụkwọ anaghị agba nchara ga-enwe corvice corvice na corrosion nrụgide. Ihe mgbochi na-eguzogide nke oyi akwa ahụ metụtara mmiri ọdịnaya nke ihe ndị dị na igwe anaghị agba nchara. Iji maa atụ, Chrictoum dị elu, nickel, na molybdenum nwere ike ime ka ike dị iche na ike na-ekekọta ike nke oyi akwa ahụ na corrosion iguzogide oyi akwa. Ọ na-akọkwa na ọgwụgwọ nke dị larịị na ọkpọ nchara na ntinye nke hydrodynamic.
2.
1. A na-adị mfe ka ebibie ya nchara nchara nchara nchara dị mfe emebi, n'ihi ikike oxidation ci-ikuku. A na-ejikwa ya na-edobe akwa ahụ nke na-aga n'ihu. N'ọtụtụ oge, a na-emebi akwa ngabiga na mpaghara nke ihe mgbochi nke ?? igwe anaghị agba nchara. Mmetụta nke etching na-adabere n'ọgbọ dị mma ma ọ bụ dents. Obere olulu ahụ na-anaghị agbasa nke na-anaghị agbasa n'elu akụrụngwa a na-akpọ crorvice corrosion. Ọnụego corvice corrosion na-abawanye na oke okpomọkụ ma na-abawanye na ịba ụba. Ihe ngwọta bụ iji carbon dị ala ma ọ bụ obere igwe kwụ nchara (dị ka 316 lita 304)
2 When the heating temperature and heating speed during manufacturing and welding are in the stainless steel sensitization temperature range (about 425-815°C), the supersaturated carbon in the material first precipitates to the crystal grain boundary and combines with chromium to form chromium CRC r2-3c 6 . N'okwu a, mgbasa nke carbon na bekee dị ukwuu karịa nke Chromium, na Chromium enweghị ike ịkwụ ụgwọ maka Chromium furu efu n'ihi ókèala nke chromium na ókèala crystal. N'ihi ya, ihe chromium ọdịnaya nke crystal carbide na-abawanye ma belata ya na kọntaktị na ihe dị ka ci- na batrị micro nke micro nke micro ego. Corrionion bụ naanị elu crystal mkpụrụ osisi, nke na-abanye n'ime ime ụlọ iji mepụta corrosion. A na-awụpụ ọkpọkọ nchara nchara dị mkpa karịa na ịgbado ọkụ eletrik.
3. Corristoon cracks: Ọ bụ mmetụta zuru oke nke data Static ala nrụgide na mbuze na-eme ka ndị na-eme mkpọtụ na ụrọ. Gburugburu ebe a na-eme ihe na-akpata nrụgide corrosion Cracking na mbibi na-abụkarị mgbagwoju. Ọ bụghị naanị nrụgide tensile ala, kamakwa ala nrụgide na nrụgide nke ime na-akpata, ịgbado ọkụ eletrik ma ọ bụ nke na-eme ihe na ihe eji eme ọla.
3. Nkwekorita nke di n'etiti usoro ọgwụgwọ nke dị n'ime na nke mpụga na corrosion na-eguzogide eriri nchara
Ime nke dị n'elu, dị ka ihe na-enweghị mmiri nchara (nke dị ka ihe na-emepụta kemịkal, na-egweri na polishing) nwere ụdị mgbanwe mgbanwe, nke nwere nguzogide nnabata, nke nwere nguzosi ike na-agbagha. N'ime ime nke dị n'elu nke dị n'elu nwere nnukwu ire ụtọ, enwerekwa obere ihe ndọnye ihe onwunwe, nke bara uru na nguzogide corrosion. A na-ejigide mmiri mmiri na-ajụ oyi na elu ala dị elu na-ejigide na tube, ọ dị mma maka ihicha, karịchaa na ụlọ ọrụ ọgwụ.
1. Ọkpụkpụ elektrọvytic (Electrolymical na-egweri) iji mezuo ntuli aka kemịkalụ iji dozie nsogbu ahụ. N'oge a, elu elu nke tube na-arụ ọrụ abụọ dị iche iche, ya bụ, ntụgharị ya na agbaze nke pass na-enweghị atụ (gụnyere oke mucosa). Nke a bụ n'ihi na ọkọlọtọ maka ọgwụ mgbochi na ịgha mkpụrụ nke akụ na ụba na-akwụghị ụgwọ na mpụga nke elu o
Etu ị ga-esi mata ogo porish kwesịrị inwe njikọ na nzuzo nke Litholy batrị, uru eletrik, ike dị ugbu a, ọkwa eletriki, na eriri igwe na-eme ka ọ dị ugbu a. Emeghị ka ị nwee teknụzụ a ga-ebibi ịdị larịị nke elu. Ọ bụrụ na usoro electrolysis dị oke elu, a ga-enwe ọtụtụ convex na conffereces, na ọ bụla tube ga-akwụ ụgwọ ọtụtụ ego. Ezigbo mma ga-abụrịrị ọrụ aka na ụgwọ dị elu.
2. Griinning na Polishing nke mpụga nke tube: egwe na poshing na ntụgharị na ahịrị. N'ebe a, na-ewere ihe eji eme ka ihe atụ dị ka ihe atụ, ngwa ọrụ arụ ọrụ dị mfe, ike na akụrụngwa na-egweri na akụrụngwa dị elu, ike na ihe diski dị elu, na ihe na-adọrọ adọrọ. A na-ejikwa ájá dị mma na-eme ka ezigbo ihe eji eme ihe dị n'ime ya, na njedebe nke ọkpọkọ, ma rụchaa nwere ike iru R5 0.2-0.4μ m
E ji ya tụnyere ihe eji eme ihe elektrọvytic, a na-ejikarị ngwa ọrụ dị mfe n'ihi akụrụngwa ya dị mfe, dị mfe, ghọta, ọ nweghị mmebi ọ bụla. Agbanyeghị, nguzogide elu nke elu elu dị mma karịa ka ị na-agbanye ya.
Na nnukwu ntụpọ nke tube oyi na-ajụ oyi bụ steeti siri ike, ya bụ, index na-akụ nke ukwuu, ọ dịghị mma maka ikpogharị na ịgbachi. N'ikwu ya hoo haa, ọ naghị ezute ụwa ụlọ ọrụ na-arụ ọrụ mba, yabụ a ga-arụ ọrụ ọkụ.
3. A na-echebe ọkụ gas na-enwu enwu: Ndị mejupụtara akụkụ abụọ: ozu ọkụ na-enwu enwu na nke akụrụngwa amonia.
Oke ọkụ na-acha uhie uhie: Ihe eji eme ihe eji eme ihe eji eme ihe eji eme ihe eji eme ihe eji eme ihe eji eme ihe eji eme ihe eji eme ya. A na-eji Ammonia eme ka gas dị ka steap steap ma na-ekesa gas na-ajụ gas. Achịcha ahụ doro anya na usoro ọgwụgwọ ọkụ a ekwesịghị ịbụ, nke na-ebufe ire ụtọ nke ime na elu elu, nke elu na-ezere elu nke ọkpọkọ nke elu na-egbochi. N'ihi na ndị a na-enweghị atụ ga-eme ka ọkpọkọ na-adị mkpụmkpụ nke nkọwapụta dị ala nke ọkpọkọ dị ọcha gburugburu ebe obibi. Ya mere, họrọ ikuku nchebe na-enwu enwu. Hangao Tech Ndị na-echebe gas na-eche nche na-enwu enwu Zuru mkpa gị zuru oke, ọ bụghị naanị na arụmọrụ Airtight dị elu, kamakwa arụmọrụ dị elu na ịchekwa ume. E jiri ya tụnyere otu akụrụngwa, ọ nwere ike ichekwa ihe dị ka 20% -30% nke ike ike.
