HomelinessTools iyo qalabka

Daxalka biraha - geeddi-socodka ah oo ay u halligmaan

Daxalka loo tarjumay ka Latin sida "xoqe". Sidaas waa habka of burburinta wax kasta (oo qoryo, dhoobada, polymer, bir) oo sabab u ah soo-gaadhista ku ah deegaanka, in ciidda, hawada, biyaha (badda, webiga, qoyan, gudubno, dhulka hoostiisa) ama wax kasta oo warbaahinta kale. Iyadoo la tixgelinayo Biraha daxalka dheer Biraha badalay muddo guud "miridhku". Tusaale ahaan, marka ogsijiin of daxalka bir foomamka biyo hydroxide ferric biyo cabaan - miridhku caadiga ah.

Daxalka biraha keenaysaa in khasaaraha ballaaran - waayo Russia waa qasaaro sanadle ah malaayiin tan oo macdanaha qaaliga ah. In ka badan 10% ka mid ah wax soo saarka ee sannadlaha ah ee tuubooyinka bir noqon istimaalaynin sabab u daxalka. Sidaa aawadeed, waxaa lagu aasay ah dhismaha dhulka biraha ee dhismayaasha kala duwan, haamo biyaha lagu keydiyo saliidda iyo kale oo macdan yihiin haboonayn in 3-4 sano, haddii aan laga ilaaliyo Xoogaga daxalka ciid-dhulka. Burburiyaan fiilooyinka korontada iyo isgaarsiinta, hoose ee goobaha dabaasha, jirka baabuurka iyo baabuurta kale.

Ciidda iyo daxalka wasakh Biraha - habka electrochemical in ay ku xiran tahay arrimo ay ka mid yihiin Halabuurka kiimikada ee ciidda, ay qoyaan iyo permeability hawada, nooca biraha, ay midayso, nooca dusha sare ee alaabta birta ah.

In si ay u sii biraha dhulka (biyo, hawo, iyo warbaahinta kale), waxaad u baahan tahay in la ogaado sababaha, taas oo sabab u noqon kara daxalka biraha. Si aad u hesho xog ku saabsan heerka uu hawl daxalka ee ciidda loo baahan yahay horumarinta tallaabooyin si ka daxalka ilaaliyo dhismayaasha birta ah, fuliya beerta iyo shaybaarka waxbarashada hoose-dhexe ee carrada.

Ilaalinta biraha ka daxalka ku salaysan yahay hababka soo socda:

1. kor u qaada qalabka constructional iska caabin ah kiimiko (daxalka u adkaysta Alloys hordhaca unugyada ama, taas bedelkeeda, ka saarida ee nijaasta ahaa ka daxalka daawaha dardar);

2. takooro dusha biraha ka weerarka by warbaahinta dagaal (rinjiga iyo varnishes for daahan biraha, qalabada filimada, Electroplating) ;

3. Ilaalinta electrochemical - sarkhaansan hadda dibadda ah superimposed on dhismeedka bir ah;

4. colaad hoos u dhac ah oo dhexdhexaad ah via hordhaca ah ee inhibitors daxalka (arsenates, chromates, nitrites), deoxygenation ama dhexdhexaad ah dhexdhexaadnimada.

Hababkaasi waxay u qaybsan yihiin 2 kooxood. The laba hab oo marka hore waxaa lagu sameeyaa inta aan la isticmaalin alaabta birta ah ee marxaladda of design ama soo saaridda, iyo kala howlgalka uu noqon doono wax aan macquul aheyn. The kale laba hab oo la fuliyaa oo kaliya in howlgalka of biraha iyo waxaad bedeli kartaa qaabka ilaalinta ku xiran tahay isbeddelka deegaanka dhabta ah.

Su'aashani, sida ilaalinta daxalka biraha, oo hadda ku haboon, waxay u baahan tahay in hab ballaaran in ay baadi doonka xal design casriga ah, hagaajinta hababka jir dayey oo la tijaabiyey iyo qalabka la isaga difaaco.

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