Cov lus qhia kom tsis txhob corrosion hauv cov chaw ua haujlwm marine

Aluminium tau zoo heev corrosion tsis kam vim tias nws nthawv ua ib txheej oxidation ntxiv uas txwv tsis pub muaj oxidation {}} oxide yog impermeable ece.

Txawm li cas los xij, aluminium alloys ua sib txawv hauv cov dej qab zib los yog hauv cov khoom siv dej qab zib {}}}}}}}, 6005A, 6063.

Lub zog ntawm cov alloys saum toj no nce nrog magnesium (ib txwm muaj kev sib txuam ntawm kev ua kom zoo nkauj thiab lwm tus

This process occurs during the production of the material, as well as after. It is called sensitization. Sensitization is a very slow process occurring even at room temperature, but significantly faster at higher temperatures (>65 Degree) {{{{{{. Txawm li cas los xij, kev pheej hmoo ntau ntxiv tuaj yeem tshem tawm.

Kuaj cov intergranular kev ua tau zoo thiab exfoliation corrosion ua haujlwm ntawm aluminium alloy ua tiav los ntawm cov khoom lag luam Astm

Corrosion-resistant aluminium alloys hauv marine thiab ntug hiav txwv

Ntxiv rau xaiv txoj cai txhuas alloy, ntawm no yog qee cov lus qhia los ua kom muaj kev sib tw ntev-ntev ntev hauv cov tub rog thiab thaj chaw ib puag ncig:

Tiv thaiv cov hlau sib txawv, galvanic corrosion tuaj yeem tiv thaiv kom txuas nrog cov khoom siv hluav taws xob yog siv cov khoom siv sib xyaw tshuab ntxhua khaub ncaws .

Siv 4- Zoo (316L lossis 1 {{{{}} 4571) stainless hlau fasteners lossis aluminium rivets.

On aluminium nkoj, tiv thaiv kev siv hluav taws xob ntxiv rau ntawm cov hlau ntawm lub nkoj, tsis txhob siv cov khoom siv sib cais rau ntug nkoj kev sib txuas {}}

Zam galvanic sib cuag nrog carbon hlau .

Kev pleev xim siv los ua insulator yuav tsum tsuas yog thov rau Cathodic Deg .

Ntuj ntxuav ntawm saum npoo los ntawm nag yog qhov zoo .

Kev ya raws nyob rau hauv crevices yog yuav tsum zam .

Nyob rau hauv ib cheeb tsam submerred, kwv yees li 10 feem pua ​​ntawm cov anodes ua rau tiv thaiv cov hlau, muaj kev tiv thaiv zoo rau txhuas.