{"id":28445,"date":"2025-12-21T17:22:00","date_gmt":"2025-12-21T09:22:00","guid":{"rendered":"https:\/\/sinoextrud.com\/?p=28445"},"modified":"2025-12-22T09:36:51","modified_gmt":"2025-12-22T01:36:51","slug":"hlinikove-vylisky-vhodne-do-morskeho-prostredi","status":"publish","type":"post","link":"https:\/\/sinoextrud.com\/cs\/aluminum-extrusion-suitable-for-marine-environments\/","title":{"rendered":"Hlin\u00edkov\u00e9 profily vhodn\u00e9 pro n\u00e1mo\u0159n\u00ed prost\u0159ed\u00ed?"},"content":{"rendered":"

\"V\u00fdroba
V\u00fdroba hlin\u00edkov\u00fdch v\u00fdlisk\u016f<\/figcaption><\/figure>\n<\/p>\n

N\u00e1mo\u0159n\u00ed projekty selh\u00e1vaj\u00ed rychleji, ne\u017e se o\u010dek\u00e1valo, pokud se podcen\u00ed koroze. S\u016fl, vlhkost a teplo napadaj\u00ed kov ka\u017ed\u00fd den. Mnoho kupuj\u00edc\u00edch se rozhoduje pro hlin\u00edk, ani\u017e by si ov\u011b\u0159ili limity pro n\u00e1mo\u0159n\u00ed pou\u017eit\u00ed. To vede k po\u0161kozen\u00ed povrchu, ztr\u00e1t\u011b pevnosti a brzk\u00e9 v\u00fdm\u011bn\u011b.<\/p>\n

Hlin\u00edkov\u00e9 v\u00fdlisky mohou b\u00fdt vhodn\u00e9 pro mo\u0159sk\u00e9 prost\u0159ed\u00ed pouze tehdy, pokud jsou odolnost proti korozi, v\u00fdb\u011br slitiny a povrchov\u00e1 ochrana spr\u00e1vn\u011b p\u0159izp\u016fsobeny podm\u00ednk\u00e1m p\u016fsoben\u00ed mo\u0159sk\u00e9 vody.<\/strong><\/p>\n

Vyu\u017eit\u00ed mo\u0159sk\u00e9ho prost\u0159ed\u00ed nen\u00ed jedinou podm\u00ednkou. Pob\u0159e\u017en\u00ed vzduch, st\u0159\u00edkaj\u00edc\u00ed z\u00f3ny a pln\u00e9 pono\u0159en\u00ed do mo\u0159sk\u00e9 vody p\u0159edstavuj\u00ed r\u016fzn\u00e1 rizika. Tento \u010dl\u00e1nek vysv\u011btluje, co hlin\u00edkov\u00e9 v\u00fdlisky skute\u010dn\u011b pot\u0159ebuj\u00ed, aby p\u0159e\u017eily v mo\u0159sk\u00e9m prost\u0159ed\u00ed, a jak mohou kupuj\u00edc\u00ed omezit dlouhodob\u00e9 selh\u00e1n\u00ed.<\/p>\n

Jak\u00e1 odolnost proti korozi je nutn\u00e1 pro pou\u017eit\u00ed na mo\u0159i?<\/h2>\n

Mo\u0159sk\u00e1 koroze je agresivn\u00ed a neust\u00e1l\u00e1. Mnoho kov\u016f vypad\u00e1 na prvn\u00ed pohled v po\u0159\u00e1dku. Po n\u011bkolika m\u011bs\u00edc\u00edch se objev\u00ed po\u0161kozen\u00ed. Hlin\u00edk funguje dob\u0159e, ale pouze p\u0159i spr\u00e1vn\u00e9 \u00farovni odolnosti.<\/p>\n

Hlin\u00edkov\u00e9 v\u00fdlisky pro n\u00e1mo\u0159n\u00ed pou\u017eit\u00ed mus\u00ed odol\u00e1vat p\u016fsoben\u00ed chlorid\u016f, d\u016flkov\u00e9 korozi a galvanick\u00e9 korozi, aby z\u016fstaly stabiln\u00ed v mo\u0159sk\u00e9 vod\u011b a pob\u0159e\u017en\u00edm prost\u0159ed\u00ed.<\/strong><\/p>\n

\"Obr\u00e1b\u011bn\u00fd
Obr\u00e1b\u011bn\u00fd hlin\u00edkov\u00fd v\u00fdlisek<\/figcaption><\/figure>\n<\/p>\n

S\u016fl v mo\u0159sk\u00e9 vod\u011b obsahuje chloridy. Tyto ionty rozkl\u00e1daj\u00ed ochrann\u00e9 vrstvy oxid\u016f. Jakmile za\u010dne vznikat d\u016flkov\u00e1 koroze, rychle se \u0161\u00ed\u0159\u00ed a oslabuje profil.<\/p>\n

Typy koroze na mo\u0159i<\/h3>\n

Mo\u0159sk\u00e9 prost\u0159ed\u00ed zp\u016fsobuje v\u00edce ne\u017e jeden typ koroze. P\u0159i n\u00e1vrhu je t\u0159eba zohlednit ka\u017ed\u00fd z nich.<\/p>\n

D\u016flkov\u00e1 koroze<\/h4>\n

Jedn\u00e1 se o nej\u010dast\u011bj\u0161\u00ed probl\u00e9m. Na povrchu se tvo\u0159\u00ed mal\u00e9 jamky, kter\u00e9 se prohlubuj\u00ed. Je t\u011b\u017ek\u00e9 je v\u010das odhalit a sni\u017euj\u00ed nosnost.<\/p>\n

\u0160t\u011brbinov\u00e1 koroze<\/h4>\n

K tomu doch\u00e1z\u00ed ve spoj\u00edch, \u0161roubech a t\u011bsn\u00fdch mezer\u00e1ch. Slan\u00e1 voda se zachyt\u00ed a hladina kysl\u00edku klesne. Koroze se v t\u011bchto oblastech urychluje.<\/p>\n

Galvanick\u00e1 koroze<\/h4>\n

K tomu doch\u00e1z\u00ed p\u0159i kontaktu hlin\u00edku s nepodobn\u00fdmi kovy, jako je ocel nebo m\u011b\u010f, v mo\u0159sk\u00e9 vod\u011b. Hlin\u00edk se st\u00e1v\u00e1 ob\u011btn\u00edm kovem a rychleji koroduje.<\/p>\n

Po\u017eadovan\u00e9 \u00farovn\u011b odporu<\/h3>\n

Ne v\u0161echny n\u00e1mo\u0159n\u00ed projekty pot\u0159ebuj\u00ed stejnou odolnost. Po\u017eadavky ur\u010duje \u00farove\u0148 expozice.<\/p>\n\n\n\n\n\n\n\n
\u00darove\u0148 expozice<\/th>\nTypick\u00e9 prost\u0159ed\u00ed<\/th>\nPo\u017eadovan\u00fd odpor<\/th>\n<\/tr>\n<\/thead>\n
Pob\u0159e\u017en\u00ed vzduch<\/td>\nBl\u00edzko mo\u0159e, bez st\u0159\u00edkaj\u00edc\u00ed vody<\/td>\nSt\u0159edn\u00ed<\/td>\n<\/tr>\n
Splash z\u00f3na<\/td>\nPaluby, doky<\/td>\nVysok\u00e1<\/td>\n<\/tr>\n
\u00dapln\u00e9 pono\u0159en\u00ed<\/td>\nTrupy, r\u00e1my<\/td>\nVelmi vysok\u00e1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Kupuj\u00edc\u00ed by m\u011bli jasn\u011b definovat expozici. V\u00e1gn\u00ed pojmy jako \u201cn\u00e1mo\u0159n\u00ed t\u0159\u00edda\u201d nesta\u010d\u00ed.<\/p>\n

Praktick\u00e1 kontroln\u00ed opat\u0159en\u00ed<\/h3>\n

V re\u00e1ln\u00e9 v\u00fdrob\u011b z\u00e1vis\u00ed odolnost proti korozi na v\u00edce ne\u017e jen na n\u00e1zvu slitiny.<\/p>\n

Mezi osv\u011bd\u010den\u00e9 postupy pat\u0159\u00ed:<\/p>\n

    \n
  • Vyh\u00fdb\u00e1n\u00ed se ostr\u00fdm roh\u016fm, kde se dr\u017e\u00ed voda <\/li>\n
  • Navrhov\u00e1n\u00ed odvod\u0148ovac\u00edch cest <\/li>\n
  • Izolace hlin\u00edku od ocelov\u00fdch spojovac\u00edch prvk\u016f <\/li>\n<\/ul>\n

    Tyto jednoduch\u00e9 kroky sni\u017euj\u00ed riziko koroze bez velk\u00e9ho zv\u00fd\u0161en\u00ed n\u00e1klad\u016f.<\/p>\n

    <\/svg> Hlin\u00edkov\u00e9 v\u00fdlisky pro n\u00e1mo\u0159n\u00ed pou\u017eit\u00ed mus\u00ed odol\u00e1vat d\u016flkov\u00e9 a galvanick\u00e9 korozi.<\/b>Pravda<\/span><\/p>

    Tyto typy koroze vytv\u00e1\u0159ej\u00ed chloridy mo\u0159sk\u00e9 vody a r\u016fznorod\u00e9 kovy.<\/p><\/div>\n

    <\/svg> V\u0161echny hlin\u00edkov\u00e9 v\u00fdlisky maj\u00ed stejnou odolnost proti korozi v mo\u0159sk\u00e9 vod\u011b.<\/b>False<\/span><\/p>

    Odolnost proti korozi se zna\u010dn\u011b li\u0161\u00ed podle slitiny a povrchov\u00e9 \u00fapravy.<\/p><\/div>\n

    Jak se p\u0159i testech solnou mlhou posuzuje vhodnost?<\/h2>\n

    Mnoho kupuj\u00edc\u00edch se p\u0159i posuzov\u00e1n\u00ed v\u00fdkonnosti mo\u0159sk\u00fdch plavidel spol\u00e9h\u00e1 na laboratorn\u00ed testy. Nejb\u011b\u017en\u011bj\u0161\u00ed metodou je testov\u00e1n\u00ed v soln\u00e9 mlze. \u010casto je v\u0161ak \u0161patn\u011b ch\u00e1p\u00e1na.<\/p>\n

    Zkou\u0161ky solnou mlhou hodnot\u00ed odolnost povrchu proti korozi vystaven\u00edm hlin\u00edkov\u00fdch v\u00fdlisk\u016f \u0159\u00edzen\u00e9 soln\u00e9 mlze po definovanou dobu.<\/strong><\/p>\n

    \"Hlin\u00edkov\u00e9
    Hlin\u00edkov\u00e9 vytla\u010dov\u00e1n\u00ed 6063 Velk\u00fd pr\u016fm\u011br hlin\u00edkov\u00e9 trubky<\/figcaption><\/figure>\n<\/p>\n

    Co skute\u010dn\u011b ukazuj\u00ed testy solnou mlhou<\/h3>\n

    Zkou\u0161ky solnou mlhou simuluj\u00ed agresivn\u00ed chloridov\u00e9 prost\u0159ed\u00ed. Vzorky se um\u00edst\u00ed do komory s nep\u0159etr\u017eitou solnou mlhou.<\/p>\n

    Test kontroluje p\u0159edev\u0161\u00edm:<\/p>\n

      \n
    • Kvalita n\u00e1t\u011bru <\/li>\n
    • P\u0159\u00edprava povrchu <\/li>\n
    • Jednotnost ochrany <\/li>\n<\/ul>\n

      Nesimuluje pln\u011b skute\u010dn\u00e9 \u017eivotn\u00ed cykly v mo\u0159i.<\/p>\n

      Typick\u00e9 zku\u0161ebn\u00ed normy<\/h3>\n

      R\u016fzn\u00e9 projekty pou\u017e\u00edvaj\u00ed r\u016fzn\u00e9 doby trv\u00e1n\u00ed test\u016f. Del\u0161\u00ed doba nemus\u00ed v\u017edy znamenat lep\u0161\u00ed v\u00fdkon v re\u00e1ln\u00e9m \u017eivot\u011b.<\/p>\n\n\n\n\n\n\n\n
      Doba trv\u00e1n\u00ed testu<\/th>\nTypick\u00fd v\u00fdznam<\/th>\n<\/tr>\n<\/thead>\n
      240 hodin<\/td>\nZ\u00e1kladn\u00ed kontrola povlaku<\/td>\n<\/tr>\n
      500 hodin<\/td>\nM\u00edrn\u00e9 pou\u017eit\u00ed na mo\u0159i<\/td>\n<\/tr>\n
      1000 hodin<\/td>\nOdkaz na z\u00e1va\u017enou expozici<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      Tato \u010d\u00edsla pom\u00e1haj\u00ed porovn\u00e1vat dodavatele. Nem\u011bla by b\u00fdt jedin\u00fdm rozhodovac\u00edm faktorem.<\/p>\n

      Limity zkou\u0161ek solnou mlhou<\/h3>\n

      Zkou\u0161ky solnou mlhou jsou statick\u00e9. Skute\u010dn\u00e9 mo\u0159sk\u00e9 prost\u0159ed\u00ed je dynamick\u00e9. Korozi ovliv\u0148uje tak\u00e9 vysych\u00e1n\u00ed, slune\u010dn\u00ed z\u00e1\u0159en\u00ed a zm\u011bny teploty.<\/p>\n

      Z tohoto d\u016fvodu m\u016f\u017ee v\u00fdrobek, kter\u00fd projde dlouh\u00fdmi zkou\u0161kami solnou mlhou, ve venkovn\u00edm prost\u0159ed\u00ed selhat, pokud:<\/p>\n

        \n
      • Konstrukce zachycuje vodu <\/li>\n
      • Povlak je po\u0161kozen b\u011bhem provozu <\/li>\n
      • R\u016fznorod\u00e9 kovy nejsou izolovan\u00e9 <\/li>\n<\/ul>\n

        Jak by m\u011bli kupuj\u00edc\u00ed pou\u017e\u00edvat v\u00fdsledky test\u016f<\/h3>\n

        V\u00fdsledky soln\u00e9ho post\u0159iku funguj\u00ed nejl\u00e9pe jako screeningov\u00fd n\u00e1stroj. Pom\u00e1haj\u00ed v\u010das odm\u00edtnout nekvalitn\u00ed n\u00e1t\u011bry.<\/p>\n

        Dob\u0159\u00ed kupuj\u00edc\u00ed:<\/p>\n

          \n
        • Kombinace v\u00fdsledk\u016f test\u016f s \u00fadaji z ter\u00e9nu <\/li>\n
        • Kontrola tlou\u0161\u0165ky povlaku a p\u0159ilnavosti <\/li>\n
        • Po\u017eadavek na d\u016fsledn\u00e9 testov\u00e1n\u00ed \u0161ar\u017e\u00ed <\/li>\n<\/ul>\n

          Tento p\u0159\u00edstup poskytuje spolehliv\u011bj\u0161\u00ed pohled na vhodnost pro mo\u0159sk\u00e9 prost\u0159ed\u00ed.<\/p>\n

          <\/svg> Zkou\u0161ky solnou mlhou se pou\u017e\u00edvaj\u00ed p\u0159edev\u0161\u00edm k porovn\u00e1n\u00ed korozn\u00ed odolnosti n\u00e1t\u011br\u016f.<\/b>Pravda<\/span><\/p>

          Zam\u011b\u0159uj\u00ed se na ochranu povrchu p\u0159i p\u016fsoben\u00ed chlorid\u016f.<\/p><\/div>\n

          <\/svg> Testy solnou mlhou dokonale kop\u00edruj\u00ed skute\u010dn\u00e9 mo\u0159sk\u00e9 prost\u0159ed\u00ed.<\/b>False<\/span><\/p>

          Nesimuluj\u00ed vysych\u00e1n\u00ed, UV z\u00e1\u0159en\u00ed ani mechanick\u00e9 po\u0161kozen\u00ed.<\/p><\/div>\n

          Mohou pota\u017een\u00e9 v\u00fdlisky dlouhodob\u011b odol\u00e1vat p\u016fsoben\u00ed mo\u0159sk\u00e9 vody?<\/h2>\n

          Povlaky chr\u00e1n\u00ed hlin\u00edk p\u0159ed koroz\u00ed. Ne v\u0161echny n\u00e1t\u011bry v\u0161ak maj\u00ed v mo\u0159sk\u00e9 vod\u011b stejnou \u00fa\u010dinnost. Nespr\u00e1vn\u00e1 volba vede k odlupov\u00e1n\u00ed a korozi pod vrstvou.<\/p>\n

          Hlin\u00edkov\u00e9 v\u00fdlisky s povrchovou \u00fapravou mohou dlouhodob\u011b odol\u00e1vat p\u016fsoben\u00ed mo\u0159sk\u00e9 vody pouze tehdy, pokud je spr\u00e1vn\u011b kontrolov\u00e1n typ, tlou\u0161\u0165ka a p\u0159\u00edprava povrchu.<\/strong><\/p>\n

          \"Hlin\u00edkov\u00e9
          Hlin\u00edkov\u00e9 v\u00fdlisky pro st\u011bnov\u00e9 panely tvaru U<\/figcaption><\/figure>\n<\/p>\n

          B\u011b\u017en\u00e9 n\u00e1t\u011bry pro lodn\u00ed hlin\u00edk<\/h3>\n

          R\u016fzn\u00e9 n\u00e1t\u011bry slou\u017e\u00ed r\u016fzn\u00fdm pot\u0159eb\u00e1m.<\/p>\n

          Eloxov\u00e1n\u00ed<\/h4>\n

          Eloxov\u00e1n\u00ed zesiluje p\u0159\u00edrodn\u00ed vrstvu oxidu. P\u0159i eloxov\u00e1n\u00ed pro n\u00e1mo\u0159n\u00ed pou\u017eit\u00ed se pou\u017e\u00edv\u00e1 v\u011bt\u0161\u00ed tlou\u0161\u0165ka ne\u017e u dekorativn\u00edch povrchov\u00fdch \u00faprav. Zlep\u0161uje odolnost proti korozi, ale bez ut\u011bsn\u011bn\u00ed z\u016fst\u00e1v\u00e1 por\u00e9zn\u00ed.<\/p>\n

          Pr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed<\/h4>\n

          Pr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed vytv\u00e1\u0159\u00ed bari\u00e9rovou vrstvu. V neporu\u0161en\u00e9m stavu dob\u0159e chr\u00e1n\u00ed. Po\u0161kozen\u00ed umo\u017e\u0148uje mo\u0159sk\u00e9 vod\u011b proniknout k hlin\u00edku pod n\u00edm.<\/p>\n

          N\u00e1mo\u0159n\u00ed n\u00e1t\u011brov\u00e9 syst\u00e9my<\/h4>\n

          V\u00edcevrstv\u00e9 n\u00e1t\u011brov\u00e9 syst\u00e9my poskytuj\u00ed nejvy\u0161\u0161\u00ed ochranu. Jsou b\u011b\u017en\u00e9 v pob\u0159e\u017en\u00edch konstrukc\u00edch.<\/p>\n

          Srovn\u00e1n\u00ed v\u00fdkonnosti n\u00e1t\u011br\u016f<\/h3>\n\n\n\n\n\n\n\n\n
          Typ povlaku<\/th>\nN\u00e1mo\u0159n\u00ed odolnost<\/th>\nPot\u0159eba \u00fadr\u017eby<\/th>\n<\/tr>\n<\/thead>\n
          \u010cir\u00fd elox<\/td>\nSt\u0159edn\u00ed<\/td>\nN\u00edzk\u00e1<\/td>\n<\/tr>\n
          Tvrd\u00fd elox<\/td>\nVysok\u00e1<\/td>\nN\u00edzk\u00e1<\/td>\n<\/tr>\n
          Pr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed<\/td>\nSt\u0159edn\u00ed a\u017e vysok\u00e1<\/td>\nSt\u0159edn\u00ed<\/td>\n<\/tr>\n
          Syst\u00e9m n\u00e1t\u011br\u016f<\/td>\nVelmi vysok\u00e1<\/td>\nVysok\u00e1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          Tato tabulka ukazuje kompromisy mezi \u017eivotnost\u00ed a \u00fadr\u017ebou.<\/p>\n

          Zp\u016fsoby selh\u00e1n\u00ed pozorovan\u00e9 v praxi<\/h3>\n

          V re\u00e1ln\u00fdch projektech se poruchy povlaku \u010dasto objevuj\u00ed na okraj\u00edch a v otvorech pro spojovac\u00ed materi\u00e1l. Dal\u0161\u00ed \u010dastou p\u0159\u00ed\u010dinou je mechanick\u00e9 po\u0161kozen\u00ed p\u0159i instalaci.<\/p>\n

          Jakmile je povlak poru\u0161en:<\/p>\n

            \n
          • Koroze se \u0161\u00ed\u0159\u00ed pod f\u00f3li\u00ed <\/li>\n
          • Opravy jsou obt\u00ed\u017en\u00e9 <\/li>\n
          • Pevnost konstrukce se \u010dasem sni\u017euje <\/li>\n<\/ul>\n

            Poradenstv\u00ed v oblasti designu a manipulace<\/h3>\n

            Dlouhodob\u00fd \u00fasp\u011bch z\u00e1vis\u00ed na v\u00edce ne\u017e na v\u00fdb\u011bru n\u00e1t\u011bru.<\/p>\n

            Mezi osv\u011bd\u010den\u00e9 postupy pat\u0159\u00ed:<\/p>\n

              \n
            • Zaoblen\u00ed hran p\u0159ed lakov\u00e1n\u00edm <\/li>\n
            • Pou\u017eit\u00ed n\u00e1t\u011bru po vrt\u00e1n\u00ed <\/li>\n
            • Pravideln\u00e9 pl\u00e1ny kontrol <\/li>\n<\/ul>\n

              Tyto kroky prodlu\u017euj\u00ed \u017eivotnost a sni\u017euj\u00ed celkov\u00e9 n\u00e1klady.<\/p>\n

              <\/svg> Povlaky chr\u00e1n\u00ed hlin\u00edkov\u00e9 v\u00fdlisky p\u0159ed p\u0159\u00edm\u00fdm kontaktem s mo\u0159skou vodou.<\/b>Pravda<\/span><\/p>

              P\u016fsob\u00ed jako bari\u00e9ra proti p\u016fsoben\u00ed chlorid\u016f.<\/p><\/div>\n

              <\/svg> Hlin\u00edkov\u00e9 v\u00fdlisky po pota\u017een\u00ed nepot\u0159ebuj\u00ed p\u0159i pou\u017eit\u00ed v mo\u0159i \u017e\u00e1dnou \u00fadr\u017ebu.<\/b>False<\/span><\/p>

              Po\u0161kozen\u00ed a opot\u0159eben\u00ed vy\u017eaduj\u00ed kontrolu a opravu.<\/p><\/div>\n

              Kter\u00e9 slitiny maj\u00ed nejlep\u0161\u00ed odolnost v mo\u0159i?<\/h2>\n

              V\u00fdb\u011br slitiny je z\u00e1kladem v\u00fdkonu lodi. N\u011bkter\u00e9 slitiny p\u0159irozen\u011b odol\u00e1vaj\u00ed mo\u0159sk\u00e9 vod\u011b. Jin\u00e9 rychle selh\u00e1vaj\u00ed i s povrchovou \u00fapravou.<\/p>\n

              Hlin\u00edkov\u00e9 v\u00fdlisky s nejlep\u0161\u00ed odolnost\u00ed pro n\u00e1mo\u0159n\u00ed pou\u017eit\u00ed obvykle poch\u00e1zej\u00ed ze slitin \u0159ady 5xxx a vybran\u00fdch slitin \u0159ady 6xxx d\u00edky jejich siln\u00e9 odolnosti v\u016f\u010di chloridov\u00e9 korozi.<\/strong><\/p>\n

              \"CNC
              CNC obr\u00e1b\u011bn\u00ed hlin\u00edkov\u00fdch profil\u016f na zak\u00e1zku<\/figcaption><\/figure>\n<\/p>\n

              Pro\u010d z\u00e1le\u017e\u00ed na chemick\u00e9m slo\u017een\u00ed slitiny<\/h3>\n

              Leguj\u00edc\u00ed prvky m\u011bn\u00ed korozn\u00ed chov\u00e1n\u00ed. Ho\u0159\u010d\u00edk zvy\u0161uje odolnost v\u016f\u010di mo\u0159sk\u00e9 vod\u011b. M\u011b\u010f ji sni\u017euje.<\/p>\n

              To je d\u016fvod, pro\u010d se n\u011bkter\u00e9 siln\u00e9 slitiny \u0161patn\u011b pou\u017e\u00edvaj\u00ed na mo\u0159i.<\/p>\n

              B\u011b\u017en\u00e9 slitiny lodn\u00edho hlin\u00edku<\/h3>\n\n\n\n\n\n\n\n\n
              S\u00e9rie Alloy<\/th>\nN\u00e1mo\u0159n\u00ed v\u00fdkon<\/th>\nTypick\u00e9 pou\u017eit\u00ed<\/th>\n<\/tr>\n<\/thead>\n
              5xxx<\/td>\nVynikaj\u00edc\u00ed<\/td>\nMo\u0159sk\u00e9 struktury<\/td>\n<\/tr>\n
              6063<\/td>\nDobr\u00fd<\/td>\nPob\u0159e\u017en\u00ed r\u00e1my<\/td>\n<\/tr>\n
              6061<\/td>\nSt\u0159edn\u00ed<\/td>\nSm\u00ed\u0161en\u00e1 prost\u0159ed\u00ed<\/td>\n<\/tr>\n
              2xxx<\/td>\n\u0160patn\u00fd<\/td>\nNedoporu\u010duje se<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

              V t\u00e9to tabulce najdete stru\u010dn\u00e9ho pr\u016fvodce v\u00fdb\u011brem.<\/p>\n

              Rovnov\u00e1ha mezi pevnost\u00ed a trvanlivost\u00ed<\/h3>\n

              N\u00e1mo\u0159n\u00ed projekty \u010dasto vy\u017eaduj\u00ed jak pevnost, tak odolnost proti korozi. Konstrukt\u00e9\u0159i mus\u00ed tyto pot\u0159eby vyv\u00e1\u017eit.<\/p>\n

              Slitiny 5xxx nab\u00edzej\u00ed velkou odolnost proti korozi, ale ni\u017e\u0161\u00ed slo\u017eitost vytla\u010dov\u00e1n\u00ed. Slitiny 6xxx umo\u017e\u0148uj\u00ed vytv\u00e1\u0159et slo\u017eit\u00e9 tvary s p\u0159ijatelnou n\u00e1mo\u0159n\u00ed odolnost\u00ed, pokud jsou opat\u0159eny povlakem.<\/p>\n

              Pou\u010den\u00ed z ter\u00e9nn\u00edch zku\u0161enost\u00ed<\/h3>\n

              Mnoho selh\u00e1n\u00ed vznik\u00e1 kop\u00edrov\u00e1n\u00edm jin\u00fdch ne\u017e n\u00e1mo\u0159n\u00edch n\u00e1vrh\u016f. Slitiny pro vnit\u0159n\u00ed pou\u017eit\u00ed se pou\u017e\u00edvaj\u00ed venku bez revize.<\/p>\n

              \u00dasp\u011b\u0161n\u00e9 projekty:<\/p>\n

                \n
              • V\u010dasn\u00e9 vymezen\u00ed mo\u0159sk\u00e9 expozice <\/li>\n
              • Nejprve vyberte slitinu, pot\u00e9 povlak <\/li>\n
              • Vyhn\u011bte se slitin\u00e1m bohat\u00fdm na m\u011b\u010f <\/li>\n<\/ul>\n

                Tento p\u0159\u00edstup sni\u017euje riziko a zvy\u0161uje dlouhodobou spolehlivost.<\/p>\n

                <\/svg> Slitiny hlin\u00edku \u0159ady 5xxx maj\u00ed vynikaj\u00edc\u00ed odolnost proti korozi v mo\u0159i.<\/b>Pravda<\/span><\/p>

                Chemie bohat\u00e1 na ho\u0159\u010d\u00edk dob\u0159e odol\u00e1v\u00e1 p\u016fsoben\u00ed chlorid\u016f.<\/p><\/div>\n

                <\/svg> Slitiny hlin\u00edku s obsahem m\u011bdi jsou ide\u00e1ln\u00ed pro mo\u0159sk\u00e9 prost\u0159ed\u00ed.<\/b>False<\/span><\/p>

                M\u011b\u010f sni\u017euje odolnost proti korozi v mo\u0159sk\u00e9 vod\u011b.<\/p><\/div>\n

                Z\u00e1v\u011br<\/h2>\n

                Hlin\u00edkov\u00e9 v\u00fdlisky mohou dob\u0159e fungovat v mo\u0159sk\u00e9m prost\u0159ed\u00ed, pokud jsou pln\u011b o\u0161et\u0159ena rizika koroze. V\u00fdb\u011br slitiny, n\u00e1t\u011brov\u00fd syst\u00e9m a testov\u00e1n\u00ed mus\u00ed odpov\u00eddat re\u00e1ln\u00fdm podm\u00ednk\u00e1m vystaven\u00ed. Jasn\u00e9 definice a dobr\u00fd n\u00e1vrh zabra\u0148uj\u00ed p\u0159ed\u010dasn\u00e9mu selh\u00e1n\u00ed.<\/p>","protected":false},"excerpt":{"rendered":"

                Aluminum Extrusion Fabrication Marine projects fail faster than expected when corrosion is underestimated. Salt, moisture, and heat attack metal every day. Many buyers choose aluminum without checking marine limits. This leads to surface damage, strength loss, and early replacement. Aluminum extrusions can be suitable for marine environments only when corrosion resistance, alloy choice, and surface […]<\/p>\n","protected":false},"author":6,"featured_media":8419,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"none","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"both","_seopress_redirections_param":"","_seopress_redirections_type":301,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"footnotes":""},"categories":[1],"tags":[],"class_list":["post-28445","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-custom-mold"],"meta_box":{"post-to-quiz_to":[]},"_links":{"self":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts\/28445","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/comments?post=28445"}],"version-history":[{"count":0,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts\/28445\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/media\/8419"}],"wp:attachment":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/media?parent=28445"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/categories?post=28445"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/tags?post=28445"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}