Pamusoro Pokurapa Tekinoroji YeAluminium Alloy

1 Oxidation kurapwa

Iyo oxidation kurapwa inonyanya anodic oxidation, makemikari oxidation, uye micro-arc oxidation. Xu Lingyun et al. [1] akadzidza ma mechanical properties uye corrosion resistance yeA356 aluminium alloy nekuita zvitatu zvakasiyana. pamusoro kurapwas: makemikari oxidation, anodization uye micro-arc oxidation. Kuburikidza neSEM tekinoroji, bvunzo yekupfeka uye corrosion kuramba bvunzo, iyo yepasi morphology, oxide layer ukobvu, kupfeka kuramba uye kushorwa kwealuminium alloy mushure metatu. pamusoro kurapwas akaongororwa uye akaenzaniswa zvakadzama. Zvigumisiro zvinoratidza kuti mushure mekusiyana pamusoro kurapwas, iyo aluminium alloy surface inogona kuumba oxide mafirimu ehukobvu hwakasiyana, kuoma kwepamusoro uye kusapfeka kwekudzivirira kunovandudzwa zvakanyanya, uye kupikisa kwekuora kwealloy kunovandudzwa kune madhigirii akasiyana. Panyaya yekushanda kwese, micro-arc oxidation iri nani pane anodic oxidation, uye anodic oxidation iri nani pane makemikari oxidation.

1.1 Anodizing

Anodizing inonziwo electrolytic oxidation, iyo inonyanya kurapa kwe electrochemical oxidation. Inoshandisa aruminiyamu uye aruminiyamu alloys seanode mu electrolytic cell, uye oxide firimu (kunyanya Al 2 O 3 layer) inoumbwa pamusoro pearuminiyamu mushure mesimba. Iyo oxide firimu inowanikwa neanodic oxidation ine yakanaka corrosion resistance, yakagadzikana maitiro uye nyore kukwidziridzwa. Ndiyo inonyanya kukosha uye yakajairika nzira yekurapa pamusoro pealuminium nealuminium alloy munyika yangu yazvino. Iyo anodic oxide firimu ine maitiro akawanda: iyo barriers layer yeoxide film ine kuomarara kwakanyanya, kunaka kusagadzika kwekusagadzika, kunaka kwekusagadzikana kwecorrosion, yakanaka yekudzivirira zvinhu, kugadzikana kwekemikari yakakwirira, uye inogona kushandiswa senge firimu rekuvhara; iyo oxide firimu ine pinholes yakawanda uye inogona kushandiswa Inoshandiswa mumarudzi akasiyana-siyana ekudhaya uye mavara kuti awedzere kushongedza kwekuita kwealuminium pamusoro; thermal conductivity of the oxide film yakadzikira kwazvo, uye yakanaka thermal insulation and heat-resistant protective layer. Nekudaro, yazvino anodic oxidation yealuminium nealuminium alloys inowanzo shandisa chromate seiyo oxidant, izvo zvinokonzeresa kusvibiswa kwezvakatipoteredza.

Mutsvagiridzo yazvino pamusoro peanodizing yealuminium nealuminium alloys, kutariswa kunobhadharwa zvakare pakushandisa hunhu hwemamwe maion simbi kukwenenzvera zvimiro zvealuminium nealuminium alloys. Semuyenzaniso, Tian Lianpeng [2] akashandisa ion implantation tekinoroji kubaya titanium pamusoro pealuminium alloy, ndokuzoita anodization kuti awane aluminium-titanium composite anodized film layer, iyo yakaita kuti pamusoro pefirimu anodized ive yakati sandarara uye yakafanana. , uye yakavandudza anodization yealuminium alloy. Kuwanda kwefirimu; titanium ion implantation inogona kuvandudza zvakanyanya kusimba kwekuora kwealuminium alloy anodic oxide film mu acid uye alkaline NaCl mhinduro, asi haikanganisi amorphous chimiro chealuminium alloy anodic oxide film. Kuiswa kwenickel ion kunoita kuti chimiro chepamusoro uye morphology yealuminium anodic oxide firimu ive yakaoma uye yakafanana. Iyo jekiseni jekiseni iripo muchimiro chesimbi nickel uye nickel oxide mualuminium alloy anodic oxide firimu.

1.2 Kemikari oxidation

Chemical oxidation inoreva nzira yekunamira iyo yakachena aruminiyamu pamusoro inosangana neokisijeni mune oxidizing mhinduro kuburikidza nekemikari kuita pasi pemamwe mamiriro etembiricha kuita dense oxide firimu. Kune akawanda makemikari oxidation nzira dzealuminium nealuminium alloys, zvinoenderana nerudzi rwemhinduro.
Inogona kukamurwa kuita alkaline uye acidic. Zvinoenderana nemhando yefirimu, inogona kukamurwa kuita oxide film, phosphate film, chromate film uye chromic acid-phosphate film. Iyo oxide firimu inowanikwa nemakemikari oxidation yealuminium uye aruminiyamu alloy zvikamu zvine ukobvu hunosvika 0.5 ~ 4μm. Iyo ine kushomeka kwekusapfeka uye kushomeka kwekudzivirira kupfuura anodic oxide firimu. Iyo haina kukodzera kushandiswa yega, asi ine kumwe kupikisa kwecorrosion uye yakanaka yemuviri zvimiro. Absorption kugona ndiyo yakanaka yekutanga pendi. Pendi mushure memakemikari oxidation yealuminium uye aruminiyamu alloy inogona kuvandudza zvakanyanya simba rekubatanidza pakati pe substrate nejasi, uye kuwedzera kusimba kwekuora kwealuminium [3].

1.3 Micro-arc oxidation nzira

Micro-arc oxidation tekinoroji inozivikanwawo senge micro-plasma oxidation tekinoroji kana anode spark deposition tekinoroji, inova rudzi rwekukura kwe-in-situ kuburikidza nekubuda kwe-micro-plasma pamusoro pesimbi uye alloys ayo. Oxidation
Iyo tekinoroji nyowani yeceramic membrane. Firimu repamusoro rakaumbwa neiyi tekinoroji rine simba rakasimba rekubatanidza neiyo substrate, kuomarara kwepamusoro, kusagadzika kwekusapfeka, kusakara kwecorrosion, kutyisa kwakanyanya kwekushisa, kunaka kwemagetsi emufirimu, uye high breakdown voltage. Kwete izvozvo chete, tekinoroji inotora nzira yekudziya yekupisa yemicro plasma arc yekudziya ine yakanyanya simba density, iyo matrix chimiro haina kukanganiswa, uye maitiro haana kuoma, uye haakonzere kusvibiswa kwezvakatipoteredza. Iyo inovimbisa nyowani zvinhu pamusoro pekurapa tekinoroji. Iri kuita nzvimbo yekutsvagisa mumunda wepasi rose zvinhu zveinjiniya tekinoroji. Zhang Juguo et al. 

Used machine aruminiyamu alloy LY12 seyeyedzo zvinhu, yakashandiswa MAO240/750 micro-arc oxidation midziyo, TT260 ukobvu geji uye AMARY-1000B scanning erekitironi maikorosikopu kudzidza mhedzisiro yearc voltage, density yazvino uye oxidation nguva pane ceramic layer. Performance impact. Kuburikidza neyakatevedzana yealuminium alloy micro-arc oxidation process kuyedza neNa 2 SiO 3 electrolyte, mutemo wekukura weceramic oxide firimu panguva yeiyo micro-arc oxidation process uye pesvedzero yeakasiyana electrolyte kuumbwa uye kuisa pfungwa pamhando yeceramic oxide. firimu rinodzidzwa. Iyo micro-arc oxidation yealuminium alloy surface inzira yakaoma zvikuru, kusanganisira kuumbwa kwe electrochemical kwekutanga oxide film, uye kuparara kunotevera kweceramic film, iyo inosanganisira maitiro emuviri we thermochemistry, electrochemistry, chiedza, magetsi, uye kupisa. . 

Maitiro anokanganiswa nezvinhu zve substrate pachayo, magetsi ekupa ma paramita, uye electrolyte paramita, uye zvakaoma kutarisa pamhepo, izvo zvinounza kuomerwa kutsvagiridzo yedzidziso. Naizvozvo, kusvika pari zvino, hapasati pave nemuenzaniso wetioretical unogona kutsanangura zviitiko zvakasiyana-siyana zvekuedza zvinogutsa, uye tsvakiridzo pamashandiro ayo ichiri kuda kumwe kuongorora nekuvandudzwa.

2 Electroplating uye makemikari plating

Electroplating kuisa mutsetse weimwe simbi yekupotera pamusoro pearuminiyamu nearuminiyamu alloy nemakemikari kana electrochemical nzira, iyo inogona kushandura chimiro chemuviri kana chemakemikari ealuminium alloy pamusoro. pamusoro

Conductivity; mhangura, nickel kana tin plating inogona kuvandudza weldability yealuminium alloy; uye inopisa-dip tin kana aluminium-tin alloy inogona kuvandudza lubricity yealuminium alloy; kazhinji inovandudza kuoma kwepamusoro uye kupfeka kuramba kwealuminium alloy ine chromium plating kana nickel plating; Chrome kana nickel plating inogonawo kuvandudza kushongedza kwayo. Aluminium inogona kuiswa electrolyze mu electrolyte kuti igadzire coating, asi iyo iri nyore kubvisa. Kugadzirisa dambudziko iri, aruminiyamu inogona kuiswa uye yakaputirwa mune ine aqueous solution ine zinc compound. Iyo zinc immersion layer ndeyekubhuroka aluminium uye matrix ayo alloy uye anotevera machira. Zambuko rakakosha, Feng Shaobin et al. [7] akadzidza mashandisirwo uye mashandiro eiyo zinc immersion layer pane aluminum substrate, uye akatanga tekinoroji yazvino uye kushandiswa kweiyo zinc kunyudzwa. Electroplating mushure mekunyudzwa mu zingi inogonawo kugadzira firimu rakatetepa rine porous pamusoro pearuminiyamu uye ipapo electroplating.

Electroless plating zvinoreva tekinoroji yekugadzira firimu umo simbi inoiswa pamusoro pesimbi ne autocatalytic chemical reaction mumugadziro uripo pamwe nesimbi yemunyu uye inoderedza. Pakati pavo, inonyanya kushandiswa ndeye electroless Ni-P alloy plating. Kuenzaniswa neye electroplating process, electroless plating is a

Iyo yakaderera kusvibisa maitiro, iyo Ni-P alloy yakawanikwa inzvimbo yakanaka yekutsiva chromium plating. Nekudaro, kune akawanda ma process emidziyo ye electroless plating, kushandiswa kwezvinhu kwakakura, nguva yekushanda yakareba, maitiro ekushanda anonetsa, uye mhando yeplating zvikamu zvakaoma kuvimbisa. Somuenzaniso, Feng Liming et al. [8] akadzidza maitiro ekugadzirwa kwe electroless nickel-phosphorus alloy plating iyo inongosanganisira matanho ekugadzirira senge degreasing, zinc immersion, uye kugeza mvura zvichienderana nekuumbwa kwe6063 aluminium alloy. Mhedzisiro yekuedza inoratidza kuti maitiro ari nyore, iyo electroless nickel layer ine yakakwira gloss, yakasimba bonding simba, yakagadzikana ruvara, dense coating, phosphorus zviri pakati pe10% ne12%, uye kuoma kweiyo plating state inogona kusvika kupfuura 500HV, iyo yakakwirira zvikuru kupfuura iyo anode. Oxide layer [8]. Kuwedzera kune electroless Ni-P alloy plating, kune mamwe maalloys, akadai seNi-Co-P alloy akadzidzwa naYang Erbing [9]. Iyo firimu ine yakakwirira coercivity, diki remanence uye yakanakisa electromagnetic kutendeuka. Zvimiro, zvinogona kushandiswa mu-high-density disks uye mamwe minda, ine electroless plating

Iyo Ni-Co-P nzira inogona kuwana yunifomu ukobvu uye magineti alloy firimu pane chero yakaoma chimiro substrate, uye ine zvakanakira hupfumi, kuderera kwesimba kushandiswa uye kushanda kuri nyore.

3 Surface coating

3.1 Laser cladding

Mumakore achangopfuura, kushandiswa kweakakwira-simba danda lasers yelaser cladding kurapwa pane aruminiyamu alloy nzvimbo inogona kunyatso kuvandudza kuomarara uye kupfeka kuramba kwealuminium uye aluminium alloy nzvimbo. Semuenzaniso, 5kW CO 2 laser inoshandiswa kuvhara iyo Ni-WC plasma coating pamusoro peZA111 alloy. Iyo yakawanikwa laser fusion layer ine kuomarara kwakanyanya, uye mafuta ayo, kupfeka uye abrasion kuramba ndeye 1.75 nguva yeiyo yekupfapfaidza coating isina laser kurapwa uye 2.83 nguva iyo yeAl-Si alloy matrix. Zhao Yong [11] akashandisa CO 2 lasers mualuminium uye aruminiyamu alloy substrates.

Yakaputirwa neY uye Y-Al poda yekuputira, iyo poda yakaputirwa pamusoro peiyo substrate neiyo preset poda yekupfekedza nzira, iyo laser bath inodzivirirwa neargon, uye imwe huwandu hweCaF 2, LiF uye MgF 2 yakawedzerwa se-slag-forming agent Pasi pemamwe laser cladding process parameters, yunifomu uye inopfuurira dense coating ine metallurgical interface inogona kuwanikwa. Lu Weixin [12] akashandisa CO 2 laser kugadzirira Al-Si poda coating, Al-Si + SiC poda coating uye Al-Si + Al 2 O 3 poda coating paaluminium alloy substrate nelaser cladding nzira. , Al bronze poda coating. Zhang Song et al. [13] akashandisa 2 k W inoenderera Nd:YAG laser muAA6 0 6 1 aluminium

Iyo pamusoro peiyo alloy ndeye laser cladding neSiC ceramic poda, uye pamusoro pesimbi matrix composite (MMC) yakagadziridzwa layer inogona kugadzirwa pamusoro peiyo aruminiyamu alloy kuburikidza nelaser kunyungudika kurapwa.

3.2 Yakasanganiswa coating

Iyo self-lubricating aluminium alloy composite coating ine yakanakisa anti-friction uye kupfeka-resisting zvivakwa ine yakanakisa tarisiro yekushandisa muinjiniya, kunyanya mumunda wekucheka-kumucheto tekinoroji. Naizvozvo, iyo porous alumina membrane ine pore matrix chimiro yakagamuchirawo kutariswa kwakawanda kubva kuvanhu. Attention, aluminium alloy composite coating tekinoroji yave imwe yeazvino ekutsvagisa hotspots. Qu Zhijian [14] akadzidza aruminiyamu uye 6063 aruminiyamu alloy composite self-lubricating coating tekinoroji. Chinhu chikuru ndechekuita hard anodization paaruminiyamu uye 6063 aruminiyamu alloy, uye wozoshandisa inopisa dipping nzira kupinza PTFE particles mu oxide film pores. Uye pamusoro, mushure mekuvhiyiwa kwakanyatso kurapa kwekupisa, iyo inosanganiswa coating inoumbwa. Li Zhenfang [15] akatsvaga maitiro matsva anosanganisa resin pendi yekupotera uye electroplating maitiro pamusoro pearuminiyamu alloy mavhiri anoiswa kumota. Nguva yekuedza yeCASS imaawa makumi matanhatu nematanhatu, kuputika kwemhepo ndeye ≤66%, chiyero chemhangura chinoputika ≤3%, chiyero chemasimba chinoderedzwa ne 3 ~ 10g, uye resin pendi uye simbi yesimbi ine chitarisiko chakanaka.

4 Dzimwe nzira

4.1 Ion kudyara nzira

Iyo ion implantation nzira inoshandisa yakakwirira-simba ion matanda kubhomba chinonangwa munzvimbo isina vacuum. Anenge chero ion implantation inogona kuwanikwa. Ioni dzakasimwa hadzina kusimba uye dzinosiiwa munzvimbo yekutsiva kana gap chinzvimbo chemushonga wakasimba kuumba unbalanced surface layer. Aluminium alloy

Kuomarara kwepamusoro, kusamira kwekusapfeka uye kusagadzikana kwemarara kunovandudzwa. Magnetron sputtering pure titanium inoteverwa nePB11 nitrogen/carbon implantation inogona kuvandudza zvakanyanya microhardness yenzvimbo yakagadziridzwa. Magnetron sputtering yakasanganiswa nejekiseni renitrogen inogona kuwedzera kuoma kwe substrate kubva pa180HV kusvika pa281.4HV. Magnetron sputtering yakasanganiswa nekabhoni jekiseni inogona kuwedzera kusvika ku342HV [16]. Magnetron sputtering pure titanium inoteverwa nePB11 nitrogen/carbon implantation inogona kuvandudza zvakanyanya microhardness yenzvimbo yakagadziridzwa. Liao Jiaxuan et al. [17] yakaita composite implantation yetitanium, nitrogen, uye kabhoni pahwaro hweplasma-based ion implantation yeLY12 aruminiyamu alloy, uye yakawana zvakakosha kugadzirisa mhedzisiro. Zhang Shengtao naHuang Zongqing vekuChongqing University [18] vakaita titanium ion implantation paaluminium alloy. Mhedzisiro yacho yakaratidza kuti titanium ion implantation pamusoro pealuminium alloy inzira inoshanda yekuvandudza kushorwa kwayo kune chloride ion corrosion, uye inogona kuvandudza kugona kwealuminium alloy kuramba chloride ion corrosion. Wedzera iyo passivation inogona huwandu hwealuminium alloy muNaCl nedzimwe mhinduro, uye kuderedza density uye saizi yecorrosion pores yakasvibiswa ne chloride ions.

4.2 Rare pasi inoshandura coating

Iyo isingawanzo pasi pevhu inoshandura coating inogona kuvandudza kushora kwealuminium alloys, uye maitiro acho anonyanya kunyudza kemikari. Rare pasi rinobatsira kune aluminium alloy anodic oxidation. Iyo inosimudzira kugona kwealuminium alloy kugamuchira polarization uye panguva imwechete inovandudza kushorwa kweiyo oxide firimu. Naizvozvo, zvisingawanzo pasi anoshandiswa mukati

Aluminium alloy surface treatment ine tarisiro yakanaka yekusimudzira [19]. Shi Tie et al. [20] akadzidza maitiro ekugadzira cerium munyu wekushandura firimu pamusoro pe-rust-proof aluminium LF21 ne electrolytic deposition. Iyo orthogonal kuyedza yakashandiswa kudzidza pesvedzero yezvinhu zvine hukama pamaitiro ekugadzira firimu uye yakanakisa tekinoroji paramita yakawanikwa. Mhedzisiro yacho inoratidza kuti anodic corrosion process yerust-proof aluminium yakavharwa mushure mekurapwa kwe electrolytic deposition ye isingawanzo kutendeuka pasi firimu, kushorwa kwayo kunonatsiridza zvakanyanya, uye iyo hydrophilicity zvakare inovandudzwa zvakanyanya. Zhu Liping et al. [21] yakashandisa scanning erekitironi microscopy (SEM), simba spectroscopy (EMS) uye munyu pfapfaidzo nzira dzekuyedza kuti dzidzidze zvine hungwaru chimiro, kuumbwa uye compactness yealuminium alloy isingawanzo pasi cerium munyu inoshandura coating pakuramba kwayo kukora. Kufurira. Mhedzisiro yetsvagiridzo inoratidza kuti isingawanzo pasi cerium chinhu mufirimu zvinonyatso kuvharira gomba corrosion maitiro ealuminium alloy uye inonatsiridza zvakanyanya kusakara kwayo.

Corrosion resistance inobata basa rakasimba. Mazuva ano, kune nzira dzakasiyana-siyana dzekurapwa pamusoro pearuminiyamu nealuminium alloys, uye kushanda kwavo kuri kuwedzera kusimba uye kusimba, izvo zvinogona kuzadzisa zvinodiwa nealuminium nealuminium alloys muhupenyu, kurapwa, engineering, aerospace, instrumentation, midziyo yemagetsi, zvokudya uye. chiedza indasitiri, etc. Inoda. Mune ramangwana, kurapwa kwepamusoro kwealuminium uye aruminiyamu alloys kuchava nyore mukuyerera, kugadzikana mumhando, hukuru-hukuru, kuchengetedza simba, uye zvakatipoteredza.

Direction development. Iyo block copolymer ye ester-amide yekutsinhana maitiro ine yakanyanya kutendeuka mwero. Korshak et al. [11] yakashuma kuti kana 1% PbO 2 kana 2% PbO 2 inoshandiswa sechinhu chinokonzera uye inopisa pa 260 degrees kwemaawa 3-8, mhinduro pakati pepolyester ne polyamide ichaitikawo. Iyo ester-amide yekuchinjana maitiro ine imwe pesvedzero pakuenderana kweiyo musanganiswa system. Xie Xiaolin, Li Ruixia, etc. [12] vachishandisa mhinduro

Method, simple mechanical blending (melting method 1) uye kuvapo kwe ester-amide exchange reaction reaction blending method (kunyunguduka nzira) kusanganisa PET nePA66, yakarongeka DSC kuongorora, uye kuwirirana kwePET / PA66 kubatanidza system Bonde rakakurukurwa kune imwe nhanho. Mhedzisiro yacho inoratidza kuti iyo PET/PA66 blend system ndeye thermodynamically incompatible system, uye kuenderana kweiyo melt blend kuri nani pane iyo yemusanganiswa wemhinduro, uye block copolymer inogadzirwa nePET/PA66 musanganiswa inopindirana neaviri The phase inoenderana. yakavandudzwa; nekuwedzera kwePA66 yemukati, iyo yekunyungudika yemusanganiswa yadzikira. Iyo PET / PA66 block copolymer yakaumbwa nemhinduro inowedzera nucleation mhedzisiro yePA66 paPET phase crystallization, zvichikonzera kunyunguduka Iyo crystallinity yemusanganiswa weFrench yakakwirira kupfuura iyo yekunyungudika nzira 1 musanganiswa. Zhu Hong et al. [13] yakashandisa p-toluenesulfonic acid (TsOH) uye titanate coupling agents sezvinokonzera ester-amide exchange reaction pakati peNylon-6 nePET kuti iwane in-situ kuwirirana kweNylon-6 / PET blends. Chinangwa chekuongorora maerekitironi microscope yekutarisa zvabuda zvinoratidza kuti Nylon-6/PET musanganiswa icrystalline phase separation system ine kusaenderana. Kuwedzera p-toluenesulfonic acid uye titanate coupling agent sechinhu chinosimudzira kusimudzira mu-situ block kuumbwa Iyo copolymer inowedzera iyo interface bonding pakati pezvikamu zviviri izvi, inoita kuti chikamu chakaparadzirwa chigadziriswe uye chakagovaniswa zvakafanana, uye chinobatsira kuwedzera basa rekuparadzira kuputika kwemusanganiswa. . Ose ari maviri anobatsira kuvandudza kuenderana kwemusanganiswa uye kuwedzera kubatanidzwa kwemukati kwezvikamu zviviri.

2 Maonero

Mumakore achangopfuura, vaongorori vemumba vakaita basa rakawanda rekutsvagisa pa polyamide/polyester musanganiswa uye vakawana akawanda anobatsira mhedziso, vachiisa hwaro hwakanaka hwekutsvaga mune ramangwana munzvimbo ino. Parizvino, chinofanirwa kucherechedzwa ndechekusimudzira kuenderera mberi kwe polyamide/polyester musanganiswa zvinhu uye kushandisa zvakapfuura mhedziso kune chaiyo yekugadzira maitiro. Nekugadzirisa izvo zviviri, chinhu chitsva chinochengetedza zvakanakira zvezvikamu zviviri chinowanikwa. Iyo ine yakanakisa mechaniki zvivakwa, kudzivirira kwemvura kuri nani pane polyamide, uye kukanganisa kuoma kuri nani pane polyester. Inoshandiswa zvakanyanya mumagetsi, magetsi uye maindasitiri emotokari. application.

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