1. Nkwadebe mkpuchi
Iji kwadokwuo ule electromical nke ikpeazụ, a họpụtara ahọpụta × 4 mm 304 igwe anaghị agba nchara dị ka ntọala. Polish ma wepụ oyi akwa na nchara nchara, tinye ha na bg-06c nhicha ụlọ ọrụ Bangjie na-ahụ maka 20min, wepu A na-eyi irighiri ihe na-acha n'elu igwe na-a alcoụbiga mmanya ókè na mmiri dị irè, ma kpoo ya na ikuku. Mgbe ahụ, Alumina (Al2o3), eserese na ngwakọ carbon nanotud (100 0: 0: 0: 0.6: 0.2: 0.2), ma tinye Otu bọọlụ bọọlụ (QM-3SP2 nke NanJing Nanda Ngwá Ọrụ) maka Ball Igwu na agwakọta. Ọsọ na-atụgharị nke Ball Mill ka ọ dị 220 R / Min, na igwe bọọlụ tụgharịrị
Mgbe bọọlụ bọọlụ gachara, tọọ ọsọ ntụgharị nke bọọlụ na-egbu egbu ka ọ bụrụ 1/2 ọzọ mgbe ọkwọ ụgbọ mmiri nke bọọlụ ahụ ga-abụ 1/2 ọzọ mgbe emechara bọọlụ ahụ. A na-agwakọta nri na-acha odo odo na ihe mgbochi dị ka oke nkebi nke 1.0: 0.8. N'ikpeazụ, a na-enweta mkpuchi mkpuchi nke na-eme ihe site na ịgwọ ọrịa.
2. Nnwale Corrosion
N'ime ọmụmụ ihe a, nnwale electroondical corrosion na-agbaso shanghai chenhua chenhua chenhua chenhua chenguemical, na ule a na-ejikọtara usoro ule electrode atọ. Platinum Electrode bụ electrode ahụ, igwe eji eme ihe, igwe ọla ọcha chloride bụ electrode bụ ebe a na-arụ ọrụ elektrọde ahụ, na mpaghara ekpughe nke 1cm2. Jikọọ ndenye aha electrode, electrode na electrode na igwe elektrik na-eme ihe eji eme electrolytic na ihe atụ ahụ, dị ka ihe atụ ahụ na electrolyte, nke bụ 3,5% nacl ngwọta.
3
Fig 3 na-egosi usoro tafel nke mkpụrụ osisi na-enweghị atụ na ceramiiki mkpuchi dị iche iche na nke Nano dị iche iche mgbe electrocion for corrosion maka afọ 19. A na-egosiputa voltaji dị ugbu a na ịnwale ule eletriki nke nwere akara eletrik na-egosi na Text 1.
Irubeisi
Mgbe Corrison dị ugbu a dị ntakịrị ma rụọ ọrụ na-eguzogide arụmọrụ dị elu dị elu, na-arụgide na-arụ ọrụ mkpuchi ahụ ka mma. Enwere ike ịhụ ya site na ọnụọgụ 3 na tebụl 1 na mgbe Corrosion Oge bụ voltaji nke Matrix bụ nke kachasị ugbu a, na-eru 2.890 × 10-6 a / CM2. Mgbe a na-eji akwa mkpuchi na-adị ọcha, njupụta a na-agbadata ruo 78% ma PỌ bụ 22.01%. Ọ na-egosi na mkpuchi seatimic na-arụ ọrụ dị mma ma nwee ike imeziwanye nguzogide nke mkpuchi na neutral lectrolyte.
Mgbe a na-agbakwunye coroh-conbs ma ọ bụ 0.2% na-agbakwunye na mkpuchi, corrosion ugbu a belata, na-abawanye na nguzogide mkpuchi ahụ, yana peri 38.48% na 40.10% n'otu n'otu. Mgbe elu ahụ dị 0,2% mwnt-conbs na 0.2% a na-eme ka aputa na 1-6 a / cm2 ruo 1.536 × 10-6 × 10-6 A / CM2, oke nguzo Uru, mụbaa site na 11388 ω 28079 ω, na peo mkpuchi nwere ike iru 46.85%. Ọ na-egosi na ngwaahịa a kwadebere nwere ezigbo nguzogide na-eguzogide, yana mmetụta nje carbon nanotubes na eserese nke mkpuchi corrosion na-eguzogide nguzogide mkpuchi.
4. Mmetụta nke oge na-enweghị atụ
Iji nwetakwuo nguzogide nke mkpuchi, na-atụle mmetụta nke ideire ahụ na nyocha electrolyte na oge mgbochi anọ a na-enweta, dị ka egosiri na eserese dị iche iche 4.
Irubeisi
Na mbido nke imikpu nke imikpuru Mma (10 h), n'ihi njupụta dị mma na nhazi nke mkpuchi ahụ, elecrolyte bụ ihe siri ike ịbanye na mkpuchi. N'oge a, mkpuchi seramiiki na-egosi iguzogide. Mgbe ị na-enwe oge ụfọdụ, nguzogide na-ebelata ihe dị mkpa, n'ihi na oge na-aga, electrolyte nke ji nwayọọ nwayọọ na-abanye matrix, na-ebute nnukwu mbelata na nguzogide nke mkpuchi.
Na ọkwa nke abụọ, mgbe ihe corrosion ngwaahịa na-abawanye na ụfọdụ ego, a na-egbochi mgbasa na oghere ahụ ji nwayọọ nwayọọ gbochie. N'otu oge, mgbe electrolyte bacettates na interface nke na-emekọ ọnụ nke njikọta ala / matriks, ụmụ irighiri mmiri na-emepụta ihe nkiri dị mma, nke na-egbochi interrowtion nke electrolyte n'ime matriks ma na-abawanye uru iguzogide. Mgbe Matrix ígwè na-ata ata bụ electrochemically nke electrochemically, ọtụtụ n'ime mmiri ọkụ na-acha akwụkwọ ndụ na ala nke eleckolyte. Ngwọta electrolytic agbanwebeghị agba mgbe electrọlyzing promple, nke nwere ike igosipụta ịdị adị nke kemịkal dị n'elu.
N'ihi obere oge na nnukwu mmetụta nke mpụga, iji nweta mmekọrịta mgbanwe ziri ezi nke ihe elektrọchemicals, usoro Tafel nke 19 H na 19.5 H na 19.5 H na 19.5 H na-enyocha. A na-egosipụta njupụta nke ugbu a na nguzogide nke Zsispin na tebụl nke ZSsis na-eme ka ọ bụrụ nke 19th. Obere na uru nguzogide bu ibu. Uru iguzogide nke ceramic mkpuchi nwere carbon na mkpuchi nwere ihe osise na ihe eji eme ihe Me ka corrosion iguzogide ihe a.
Na mmụba nke imikpuru mmiri (19.5 h), nguzogide nke na-abawanye ụba, na-egosi na ọ dị na ogbo nke corrosion na ihe nkiri metal oxide n'elu nke mkpụrụ. N'otu aka ahụ, na mmụba nke oge, nguzogide nke mkpuchi alumina na-adịwanye elu, n'agbanyeghị na electrolyte etinyere na njikọta nke mkpuchi / matrix, ma mepụta ihe nkiri oxi site na mmeghachi kemịkal.
Atụnyere mkpuchi nke alumina nwere 0.2% mwnt-sdbs, mkpuchi alumina nwere ihe ngosi 0.2% na-eguzogide dị warara nke ukwuu na mmụba nke oge, belata site na 22.94%, 25.60% na 9.61% n'otu n'otu, na-egosi na electrolyte emeghị Banye na nkwonkwo n'etiti mkpuchi na mkpụrụ nke a, nke a bụ n'ihi na nhazi nke carbon na eserese na-egbochi mmiri nke electrolyte, si otú a na-echebe matriks. A na-enwekwu akara nke abụọ. Mkpuchi ahụ nwere ihe nano nano nwere ihe ndị ọzọ na-eguzogide.
Site na usoro tafel na mgbanwe nke uru eletriki nke uru eletriki, carbon nanotube, na mmetụta nke abụọ nwere ike ịka nká iguzogide mkpuchi seramic. Iji mee ka ihe ndị na-atọ ụtọ nano na-emegide ya na nguzogide mkpuchi ahụ, micro elu elu morphology nke mkpuchi ahụ.
Irubeisi
Ọgụgụ 5 (A1, A2, B1, B2) na-egosi elu morphology nke ekpughewo 304 nchara ma dị iche iche Alumina dị iche iche na ngbanwe dị iche iche mgbe Corrosion. Ọgụgụ 5 (A2) na-egosi na elu ahụ mgbe Corrison siri ike. N'ihi na ifechi, ọtụtụ nnukwu olulu na-apụta n'elu matrik na electrolyte, na-egosi na electrolyte na-eguzogide na matrix. Maka mkpuchi alumina dị ọcha, dị ka egosiri na eserese 5 (B2) Mmelite nke dị irè nke enweghị ike mkpuchi nke mkpuchi alumina.
Irubeisi
Elu morphology nke Mwnt-Coroh-cooh, mkpuchi nwere akara 0.2% mwnt-cooh-corbs na 0.2% eserese. Enwere ike ịhụ na mkpuchi abụọ nwere eserese 6 (B2 na C2) nwere ihe owuwu dị larịị, a na-ejikọkwa ụmụ irighiri ihe na mkpuchi siri ike, na njikọta nchịkọta site na nrapado. Ọ bụ ezie na a na-ewepụ elu nke electrolyte na-emebi mmiri, obere channe na-etolite. Mgbe corrosion, elu mkpuchi dị oke ọnụ ma na-enwe nkwarụ ole na ole. Maka eserese 6 (A1, A2), n'ihi njirimara nke MWNT-COOH-SDB, mkpuchi tupu corrosion bụ ụdị ekesasị. Mgbe corrosion, pores nke akụkụ mbụ na-adị warara ma ogologo, na ọwa ahụ na-aghọ ndị miri emi. E jiri ya tụnyere ihe owuwu 6 (B2, C2), ihe owuwu ahụ nwere ntụpọ karịa, nke kwekọrọ na ikesa nha anya na-enwetara site na nnwale electrochemical. Ọ na-egosi na alumina seramic nwere eserese, karịsịa ngwakọta nke eserese na carbon nanotube, nwere nguzogide nke corbon nanotube. Nke a bụ n'ihi na nhazi nke carbon nanotube na eserese nwere ike igbochi ike mgbape mgbasa ma chebe matriks.
5. Mkparịta ụka na Nchịkọta
Site na usoro nguzogide corbon nanotubes nke carbon nanones na eserese na-egosiputa mkpuchi na nyocha nke mkpuchi nke mkpuchi ahụ, a na-adọta nkwubi okwu nke mkpuchi elu nke elu, na mmechi ndị a.
(1) Mgbe corrosion oge bụ 19 H, na-agbakwunye 0.2% ngwakọ carbon nanotube, njupụta a gwakọtara site na 2.890 × 10-6 ala ruo 1.536 × 10-6 A / cm2, a na-abawanye eletriki site na 11388 ω 28079 ω, na nguzogide corrosion arụmọrụ bụ nke kachasị, 46.85%. E jiri ya tụnyere ọka Alumina seramic dị ọcha, ndị mejupụtara ya na eserese carbon nwere nguzogide ka mma.
(2) Na mmụba nke mgbochi nke electrolyte, electrolyte bacettates n'ime ala mkpuchi nke mkpuchi / mkpụrụ iji mepụta injide ọla, nke na-egbochi penetration nke electrolyte n'ime mkpụrụ. Ntughari eletriki wedata ma na-abawanye, na nguzogide corsonic nke mkpuchi alumina bu ogbenye. Ọdịdị na Sinerdy nke carbon nanotubes na eserese gbochiri mkpọrọ nke electrolyte. Mgbe tinye ya na 19.5 h, mgbochi eletriki nke mkpuchi nwere ihe nano belata site na 22.94%, 25.61% na 9.61%, na nguzogide nke mkpuchi ahụ dị mma.
6. Mmetụta usoro nke iguzogide nguzogide nguzogide
Site na usoro tafel na mgbanwe nke uru eletriki nke uru eletriki, carbon nanotube, na mmetụta nke abụọ nwere ike ịka nká iguzogide mkpuchi seramic. Iji mee ka ihe ndị na-atọ ụtọ nano na-emegide ya na nguzogide mkpuchi ahụ, micro elu elu morphology nke mkpuchi ahụ.
Ọgụgụ 5 (A1, A2, B1, B2) na-egosi elu morphology nke ekpughewo 304 nchara ma dị iche iche Alumina dị iche iche na ngbanwe dị iche iche mgbe Corrosion. Ọgụgụ 5 (A2) na-egosi na elu ahụ mgbe Corrison siri ike. N'ihi na ifechi, ọtụtụ nnukwu olulu na-apụta n'elu matrik na electrolyte, na-egosi na electrolyte na-eguzogide na matrix. Maka mkpuchi alumina dị ọcha, dị ka egosiri na eserese 5 (B2) Mmelite nke dị irè nke enweghị ike mkpuchi nke mkpuchi alumina.
Elu morphology nke Mwnt-Coroh-cooh, mkpuchi nwere akara 0.2% mwnt-cooh-corbs na 0.2% eserese. Enwere ike ịhụ na mkpuchi abụọ nwere eserese 6 (B2 na C2) nwere ihe owuwu dị larịị, a na-ejikọkwa ụmụ irighiri ihe na mkpuchi siri ike, na njikọta nchịkọta site na nrapado. Ọ bụ ezie na a na-ewepụ elu nke electrolyte na-emebi mmiri, obere channe na-etolite. Mgbe corrosion, elu mkpuchi dị oke ọnụ ma na-enwe nkwarụ ole na ole. Maka eserese 6 (A1, A2), n'ihi njirimara nke MWNT-COOH-SDB, mkpuchi tupu corrosion bụ ụdị ekesasị. Mgbe corrosion, pores nke akụkụ mbụ na-adị warara ma ogologo, na ọwa ahụ na-aghọ ndị miri emi. E jiri ya tụnyere ihe owuwu 6 (B2, C2), ihe owuwu ahụ nwere ntụpọ karịa, nke kwekọrọ na ikesa nha anya na-enwetara site na nnwale electrochemical. Ọ na-egosi na alumina seramic nwere eserese, karịsịa ngwakọta nke eserese na carbon nanotube, nwere nguzogide nke corbon nanotube. Nke a bụ n'ihi na nhazi nke carbon nanotube na eserese nwere ike igbochi ike mgbape mgbasa ma chebe matriks.
7. Mkparịta ụka na Nchịkọta
Site na usoro nguzogide corbon nanotubes nke carbon nanones na eserese na-egosiputa mkpuchi na nyocha nke mkpuchi nke mkpuchi ahụ, a na-adọta nkwubi okwu nke mkpuchi elu nke elu, na mmechi ndị a.
(1) Mgbe corrosion oge bụ 19 H, na-agbakwunye 0.2% ngwakọ carbon nanotube, njupụta a gwakọtara site na 2.890 × 10-6 ala ruo 1.536 × 10-6 A / cm2, a na-abawanye eletriki site na 11388 ω 28079 ω, na nguzogide corrosion arụmọrụ bụ nke kachasị, 46.85%. E jiri ya tụnyere ọka Alumina seramic dị ọcha, ndị mejupụtara ya na eserese carbon nwere nguzogide ka mma.
(2) Na mmụba nke mgbochi nke electrolyte, electrolyte bacettates n'ime ala mkpuchi nke mkpuchi / mkpụrụ iji mepụta injide ọla, nke na-egbochi penetration nke electrolyte n'ime mkpụrụ. Ntughari eletriki wedata ma na-abawanye, na nguzogide corsonic nke mkpuchi alumina bu ogbenye. Ọdịdị na Sinerdy nke carbon nanotubes na eserese gbochiri mkpọrọ nke electrolyte. Mgbe tinye ya na 19.5 h, mgbochi eletriki nke mkpuchi nwere ihe nano belata site na 22.94%, 25.61% na 9.61%, na nguzogide nke mkpuchi ahụ dị mma.
(3) N'ihi njiri mara carboTbes, mkpuchi agbakwunyere na carbot nanotubes naanị nwere ụdị kesara na-ekesara ya. Mgbe corrosion, pores nke akụkụ mbụ na-adị warara ma ogologo, na channelụ ghee miri emi. Ihe mkpuchi ahụ nwere eserese dị larịị tupu corrosion, njikọta n'etiti ụmụ irighiri ihe na mkpuchi dị nso, na ijikwa mkpịsị aka ahụ kpuchie. Ọ bụ ezie na electrolyte emebiela na electrolyte mgbe ọ gachara corrosion, enwere ọwa dị na pore na ihe owuwu ahụ ka dị oke. Ọdịdị nke carbon nanotubes na eserese nwere ike igbochi mmebi mgbasa ma chebe matriks.
Oge Post: Mar-09-2022