{"id":12113,"date":"2025-08-20T02:07:10","date_gmt":"2025-08-20T02:07:10","guid":{"rendered":"https:\/\/sinoextrud.com\/?p=12113"},"modified":"2025-08-20T02:07:10","modified_gmt":"2025-08-20T02:07:10","slug":"jaky-je-bod-tani-hliniku","status":"publish","type":"post","link":"https:\/\/sinoextrud.com\/cs\/what-is-the-melting-point-of-aluminum\/","title":{"rendered":"Jak\u00fd je bod t\u00e1n\u00ed hlin\u00edku?"},"content":{"rendered":"

\"hlin\u00edkov\u00fd
Vytla\u010dov\u00e1n\u00ed hlin\u00edkov\u00e9 slitiny 6063 vhodn\u00e9 pro m\u00edrn\u00fd rozsah t\u00e1n\u00ed<\/figcaption><\/figure>\n<\/p>\n

Hlin\u00edk je pevn\u00fd, lehk\u00fd a v\u0161estrann\u00fd - ale jak moc se mus\u00ed zah\u0159\u00e1t, aby se roztavil?<\/p>\n

Teplota t\u00e1n\u00ed \u010dist\u00e9ho hlin\u00edku je p\u0159ibli\u017en\u011b 1220,5 \u00b0F (660,3 \u00b0C), co\u017e hraje z\u00e1sadn\u00ed roli p\u0159i jeho zpracov\u00e1n\u00ed, tvarov\u00e1n\u00ed a pou\u017eit\u00ed v r\u016fzn\u00fdch pr\u016fmyslov\u00fdch odv\u011btv\u00edch.<\/strong><\/p>\n

Znalost teploty t\u00e1n\u00ed nen\u00ed jen akademick\u00e1. M\u00e1 vliv na sva\u0159ov\u00e1n\u00ed, odl\u00e9v\u00e1n\u00ed, obr\u00e1b\u011bn\u00ed, recyklaci a bezpe\u010dnost konstrukc\u00ed. Poj\u010fme prozkoumat, co skute\u010dn\u011b znamen\u00e1 a pro\u010d je d\u016fle\u017eit\u00fd.<\/p>\n

Jak se ur\u010duje bod t\u00e1n\u00ed hlin\u00edku?<\/h2>\n

Teplotu t\u00e1n\u00ed neodhadujeme - m\u011b\u0159\u00ed se pomoc\u00ed p\u0159esn\u00fdch n\u00e1stroj\u016f a opakovateln\u00fdch laboratorn\u00edch metod.<\/p>\n

Teplota t\u00e1n\u00ed hlin\u00edku se ur\u010duje zah\u0159\u00edv\u00e1n\u00edm \u010dist\u00e9ho vzorku a zaznamen\u00e1v\u00e1n\u00edm p\u0159esn\u00e9 teploty, p\u0159i kter\u00e9 p\u0159ech\u00e1z\u00ed z pevn\u00e9 l\u00e1tky na kapalinu.<\/strong><\/p>\n

\"hlin\u00edkov\u00fd
Hlin\u00edkov\u00e9 profily 2024\/7001\/7003 pro pou\u017eit\u00ed v letectv\u00ed a vysok\u00fdch teplot\u00e1ch<\/figcaption><\/figure>\n<\/p>\n

Existuje n\u011bkolik zp\u016fsob\u016f, jak to prov\u00e9st p\u0159esn\u011b:<\/p>\n

1. Metoda kapil\u00e1rn\u00edch trubic<\/strong><\/h3>\n

Tato technika je v laborato\u0159\u00edch b\u011b\u017en\u00e1. Mal\u00fd vzorek hlin\u00edku se vlo\u017e\u00ed do tenk\u00e9 sklen\u011bn\u00e9 kapil\u00e1ry. P\u0159i zah\u0159\u00edv\u00e1n\u00ed trubice v kontrolovan\u00e9m prost\u0159ed\u00ed se sleduje bod t\u00e1n\u00ed, kdy se pevn\u00fd hlin\u00edk m\u011bn\u00ed v kapalinu.<\/p>\n

2. Diferenci\u00e1ln\u00ed skenovac\u00ed kalorimetrie (DSC)<\/strong><\/h3>\n

Jedn\u00e1 se o modern\u011bj\u0161\u00ed a v\u011bdeckou metodu. DSC zji\u0161\u0165uje p\u0159esnou teplotu, p\u0159i kter\u00e9 se m\u011bn\u00ed tepeln\u00fd tok p\u0159i zm\u011bn\u011b stavu hlin\u00edku. Je velmi p\u0159esn\u00e1 a \u010dasto se pou\u017e\u00edv\u00e1 pro kovy a slitiny.<\/p>\n

3. Mikroskopie na hork\u00e9m stolku<\/strong><\/h3>\n

P\u0159i t\u00e9to metod\u011b se hlin\u00edk zah\u0159\u00edv\u00e1 na pr\u016fhledn\u00e9m stupni. V\u011bdci pozoruj\u00ed vzorek pod mikroskopem a zaznamen\u00e1vaj\u00ed, kdy t\u00e1n\u00ed za\u010d\u00edn\u00e1 a kon\u010d\u00ed.<\/p>\n

4. Testov\u00e1n\u00ed pec\u00ed pomoc\u00ed termo\u010dl\u00e1nk\u016f<\/strong><\/h3>\n

Tato metoda zahrnuje um\u00edst\u011bn\u00ed hlin\u00edku do pr\u016fmyslov\u00e9 pece a pou\u017eit\u00ed termo\u010dl\u00e1nk\u016f k m\u011b\u0159en\u00ed vnit\u0159n\u00ed teploty b\u011bhem zah\u0159\u00edv\u00e1n\u00ed.<\/p>\n

Tyto testy pom\u00e1haj\u00ed ur\u010dit dva kl\u00ed\u010dov\u00e9 body:<\/p>\n

    \n
  • Solidus<\/strong>: Teplota, p\u0159i kter\u00e9 za\u010d\u00edn\u00e1 t\u00e1n\u00ed<\/li>\n
  • Liquidus<\/strong>: Teplota, p\u0159i kter\u00e9 je kov pln\u011b tekut\u00fd<\/li>\n<\/ul>\n

    U \u010dist\u00e9ho hlin\u00edku je solidus a liquidus stejn\u00fd, p\u0159ibli\u017en\u011b 660,3 \u00b0C. U slitin v\u0161ak mohou b\u00fdt tyto body vzd\u00e1leny 100 \u00b0C nebo v\u00edce.<\/p>\n

    <\/svg> Diferenci\u00e1ln\u00ed skenovac\u00ed kalorimetrie (DSC) je jednou z metod pou\u017e\u00edvan\u00fdch k p\u0159esn\u00e9mu m\u011b\u0159en\u00ed teploty t\u00e1n\u00ed hlin\u00edku.<\/b>Pravda<\/span><\/p>

    DSC detekuje zm\u011bny tepeln\u00e9ho toku b\u011bhem f\u00e1zov\u00fdch p\u0159echod\u016f, co\u017e je ide\u00e1ln\u00ed pro kovy.<\/p><\/div>\n

    <\/svg> Teplota t\u00e1n\u00ed hlin\u00edku se obvykle odhaduje na z\u00e1klad\u011b jeho vzhledu p\u0159i zah\u0159\u00e1t\u00ed.<\/b>False<\/span><\/p>

    Teplota t\u00e1n\u00ed se m\u011b\u0159\u00ed pomoc\u00ed v\u011bdeck\u00fdch p\u0159\u00edstroj\u016f, nikoliv odhadem.<\/p><\/div>\n

    Jak ovliv\u0148uje legov\u00e1n\u00ed bod t\u00e1n\u00ed hlin\u00edku?<\/h2>\n

    \u010cist\u00fd hlin\u00edk se tav\u00ed p\u0159i st\u00e1l\u00e9 teplot\u011b. Kdy\u017e v\u0161ak p\u0159id\u00e1me dal\u0161\u00ed prvky a vytvo\u0159\u00edme slitiny, v\u0161e se zm\u011bn\u00ed.<\/p>\n

    Legov\u00e1n\u00ed hlin\u00edku prvky, jako je ho\u0159\u010d\u00edk, k\u0159em\u00edk, m\u011b\u010f nebo zinek, sni\u017euje jeho teplotu t\u00e1n\u00ed a vytv\u00e1\u0159\u00ed rozsah teplot t\u00e1n\u00ed nam\u00edsto jedn\u00e9 teploty.<\/strong><\/p>\n

    \"v\u00fdlisek
    Slitina hlin\u00edku 6063-T5 s vyv\u00e1\u017een\u00fdmi vlastnostmi t\u00e1n\u00ed<\/figcaption><\/figure>\n<\/p>\n

    Pro\u010d k tomu doch\u00e1z\u00ed?<\/h3>\n

    Ka\u017ed\u00fd prvek m\u00e1 svou vlastn\u00ed atomovou strukturu a chov\u00e1n\u00ed p\u0159i t\u00e1n\u00ed. Kdy\u017e se sm\u00edchaj\u00ed s hlin\u00edkem, naru\u0161\u00ed jednotnou krystalickou m\u0159\u00ed\u017eku. Toto naru\u0161en\u00ed zp\u016fsobuje, \u017ee atomy taj\u00ed p\u0159i m\u00edrn\u011b odli\u0161n\u00fdch teplot\u00e1ch - odtud poch\u00e1z\u00ed rozsah t\u00e1n\u00ed.<\/p>\n

    Vliv b\u011b\u017en\u00fdch leguj\u00edc\u00edch prvk\u016f:<\/h3>\n\n\n\n\n\n\n\n\n
    Leguj\u00edc\u00ed prvek<\/th>\nVliv na bod t\u00e1n\u00ed<\/th>\n<\/tr>\n<\/thead>\n
    Ho\u0159\u010d\u00edk<\/strong><\/td>\nM\u00edrn\u011b sni\u017euje, zlep\u0161uje pevnost<\/td>\n<\/tr>\n
    K\u0159em\u00edk<\/strong><\/td>\nV\u00fdrazn\u011b sni\u017euje, zlep\u0161uje odl\u00e9vatelnost<\/td>\n<\/tr>\n
    M\u011b\u010f<\/strong><\/td>\nSni\u017euje bod t\u00e1n\u00ed, zvy\u0161uje tvrdost<\/td>\n<\/tr>\n
    Zinek<\/strong><\/td>\nM\u016f\u017ee prudce sn\u00ed\u017eit teplotu t\u00e1n\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Tato zm\u011bna je d\u016fle\u017eit\u00e1 pro v\u00fdrobu. Tv\u00e1\u0159en\u00e9 a lit\u00e9 slitiny se p\u0159i zah\u0159\u00edv\u00e1n\u00ed, sva\u0159ov\u00e1n\u00ed a tv\u00e1\u0159en\u00ed chovaj\u00ed odli\u0161n\u011b. Nap\u0159\u00edklad slitiny s velk\u00fdm obsahem k\u0159em\u00edku se skv\u011ble hod\u00ed pro odl\u00e9v\u00e1n\u00ed, proto\u017ee se hladce tav\u00ed bez gumov\u00e1n\u00ed.<\/p>\n

    Rozsah t\u00e1n\u00ed vs bod t\u00e1n\u00ed<\/h3>\n

    \u010cist\u00fd hlin\u00edk prudce taje p\u0159i teplot\u011b 660,3 \u00b0C. Naproti tomu slitiny mohou za\u010d\u00edt t\u00e1t p\u0159i 500 \u00b0C, ale pln\u011b zkapaln\u00ed a\u017e p\u0159i 650 \u00b0C. Tento \u0161irok\u00fd rozsah je kl\u00ed\u010dov\u00fd p\u0159i v\u00fdb\u011bru slitin pro sva\u0159ov\u00e1n\u00ed nebo tepeln\u00e9 zpracov\u00e1n\u00ed.<\/p>\n

    <\/svg> Leguj\u00edc\u00ed prvky sni\u017euj\u00ed teplotu t\u00e1n\u00ed hlin\u00edku a zav\u00e1d\u011bj\u00ed rozsah taven\u00ed.<\/b>Pravda<\/span><\/p>

    P\u0159idan\u00e9 prvky jako k\u0159em\u00edk nebo m\u011b\u010f naru\u0161uj\u00ed atomovou strukturu a m\u011bn\u00ed f\u00e1zov\u00e9 chov\u00e1n\u00ed.<\/p><\/div>\n

    <\/svg> Legov\u00e1n\u00ed hlin\u00edku v\u017edy zvy\u0161uje jeho teplotu t\u00e1n\u00ed.<\/b>False<\/span><\/p>

    V\u011bt\u0161ina leguj\u00edc\u00edch prvk\u016f ve skute\u010dnosti sni\u017euje teplotu t\u00e1n\u00ed.<\/p><\/div>\n

    Jak\u00fd je bod t\u00e1n\u00ed b\u011b\u017en\u00fdch slitin hlin\u00edku?<\/h2>\n

    Slitiny hlin\u00edku se pou\u017e\u00edvaj\u00ed \u010dast\u011bji ne\u017e \u010dist\u00fd hlin\u00edk, zejm\u00e9na ve stavebnictv\u00ed, doprav\u011b a spot\u0159ebn\u00edm zbo\u017e\u00ed. Ka\u017ed\u00e1 slitina se tav\u00ed jinak.<\/p>\n

    B\u011b\u017en\u00e9 hlin\u00edkov\u00e9 slitiny se tav\u00ed v rozmez\u00ed 475 \u00b0C a\u017e 660 \u00b0C v z\u00e1vislosti na jejich specifick\u00e9m slo\u017een\u00ed a s\u00e9riov\u00e9m za\u0159azen\u00ed.<\/strong><\/p>\n

    \"lit\u00fd
    Hlin\u00edkov\u00fd ty\u010dov\u00fd profil, kter\u00fd podporuje stabiln\u00ed teplotu odl\u00e9v\u00e1n\u00ed<\/figcaption><\/figure>\n<\/p>\n

    Kovan\u00e9 slitiny hlin\u00edku<\/h3>\n\n\n\n\n\n\n\n\n\n
    Slitina<\/th>\nRozsah t\u00e1n\u00ed (\u00b0C)<\/th>\nRozsah t\u00e1n\u00ed (\u00b0F)<\/th>\nPrim\u00e1rn\u00ed pou\u017eit\u00ed<\/th>\n<\/tr>\n<\/thead>\n
    2024<\/td>\n500-635<\/td>\n932-1175<\/td>\nKonstrukce letadel<\/td>\n<\/tr>\n
    3003<\/td>\n640-655<\/td>\n1184-1211<\/td>\nSt\u0159e\u0161n\u00ed krytiny, obklady<\/td>\n<\/tr>\n
    5052<\/td>\n605-650<\/td>\n1121-1202<\/td>\nLodn\u00ed doprava, palivov\u00e9 n\u00e1dr\u017ee<\/td>\n<\/tr>\n
    6061<\/td>\n580-650<\/td>\n1076-1202<\/td>\nAutod\u00edly, budovy<\/td>\n<\/tr>\n
    7075<\/td>\n475-635<\/td>\n887-1175<\/td>\nLetectv\u00ed a kosmonautika, cyklistick\u00e9 r\u00e1my<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Slitiny lit\u00e9ho hlin\u00edku<\/h3>\n\n\n\n\n\n\n\n\n\n
    Slitina<\/th>\nRozsah t\u00e1n\u00ed (\u00b0C)<\/th>\nPozn\u00e1mky<\/th>\n<\/tr>\n<\/thead>\n
    A356<\/td>\n556-615<\/td>\nDobr\u00e1 odl\u00e9vatelnost<\/td>\n<\/tr>\n
    A360<\/td>\n556-596<\/td>\nVysok\u00e1 odolnost proti korozi<\/td>\n<\/tr>\n
    A380<\/td>\n538-593<\/td>\nAutomobilov\u00e9 sk\u0159\u00edn\u011b<\/td>\n<\/tr>\n
    B390<\/td>\n510-649<\/td>\nD\u00edly motoru<\/td>\n<\/tr>\n
    A413<\/td>\n574-582<\/td>\nBloky motor\u016f, \u010derpadla<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Tyto rozsahy ovliv\u0148uj\u00ed zp\u016fsob zpracov\u00e1n\u00ed jednotliv\u00fdch slitin. Slitiny s ni\u017e\u0161\u00ed teplotou t\u00e1n\u00ed se snadn\u011bji odl\u00e9vaj\u00ed, zat\u00edmco slitiny s vy\u0161\u0161\u00ed teplotou t\u00e1n\u00ed mohou b\u00fdt vhodn\u011bj\u0161\u00ed pro konstruk\u010dn\u00ed aplikace.<\/p>\n

    <\/svg> Slitiny hlin\u00edku maj\u00ed sp\u00ed\u0161e rozsah teplot t\u00e1n\u00ed ne\u017e jednu teplotu t\u00e1n\u00ed.<\/b>Pravda<\/span><\/p>

    Legov\u00e1n\u00ed zp\u016fsobuje t\u00e1n\u00ed r\u016fzn\u00fdch f\u00e1z\u00ed p\u0159i r\u016fzn\u00fdch teplot\u00e1ch.<\/p><\/div>\n

    <\/svg> Slitina hlin\u00edku 6061 se tav\u00ed p\u0159i stejn\u00e9 teplot\u011b jako \u010dist\u00fd hlin\u00edk.<\/b>False<\/span><\/p>

    6061 za\u010d\u00edn\u00e1 t\u00e1t p\u0159i teplot\u00e1ch pod 660 \u00b0C a postupn\u011b dokon\u010duje t\u00e1n\u00ed v cel\u00e9m rozsahu.<\/p><\/div>\n

    Pro\u010d je bod t\u00e1n\u00ed p\u0159i zpracov\u00e1n\u00ed hlin\u00edku d\u016fle\u017eit\u00fd?<\/h2>\n

    Bod t\u00e1n\u00ed ovliv\u0148uje t\u00e9m\u011b\u0159 v\u0161echny f\u00e1ze \u017eivotn\u00edho cyklu hlin\u00edku - od odl\u00e9v\u00e1n\u00ed a\u017e po recyklaci.<\/p>\n

    Teplota t\u00e1n\u00ed je p\u0159i zpracov\u00e1n\u00ed hlin\u00edku d\u016fle\u017eit\u00e1, proto\u017ee ur\u010duje, jak se kov chov\u00e1 za tepla, ovliv\u0148uje kvalitu svaru a efektivitu v\u00fdroby.<\/strong><\/p>\n

    \"p\u0159esn\u011b
    Obr\u00e1b\u011bn\u00e9 hlin\u00edkov\u00e9 d\u00edly z\u00e1vis\u00ed na vlastnostech t\u00e1n\u00ed slitiny<\/figcaption><\/figure>\n<\/p>\n

    1. Casting<\/strong><\/h3>\n

    Sl\u00e9v\u00e1rny pot\u0159ebuj\u00ed p\u0159esn\u00e9 teploty. Pokud se hlin\u00edk p\u0159\u00edli\u0161 zah\u0159eje, m\u016f\u017ee oxidovat nebo tvo\u0159it plynov\u00e9 bubliny. Pokud nen\u00ed dostate\u010dn\u011b hork\u00fd, forma se nenapln\u00ed.<\/p>\n

    2. Sva\u0159ov\u00e1n\u00ed<\/strong><\/h3>\n

    Znalost bod\u016f solidus a liquidus hlin\u00edkov\u00fdch slitin pom\u00e1h\u00e1 sv\u00e1\u0159e\u010d\u016fm vyhnout se prask\u00e1n\u00ed, deformac\u00edm a ne\u00fapln\u00e9mu taven\u00ed.<\/p>\n

    3. Tepeln\u00e9 zpracov\u00e1n\u00ed<\/strong><\/h3>\n

    Procesy jako \u017e\u00edh\u00e1n\u00ed a sr\u00e1\u017eec\u00ed kalen\u00ed spo\u010d\u00edvaj\u00ed v oh\u0159evu t\u011bsn\u011b pod bod t\u00e1n\u00ed. P\u0159eh\u0159\u00e1t\u00ed ni\u010d\u00ed strukturu zrn.<\/p>\n

    4. Obr\u00e1b\u011bn\u00ed<\/strong><\/h3>\n

    P\u0159i \u0159ez\u00e1n\u00ed nebo fr\u00e9zov\u00e1n\u00ed doch\u00e1z\u00ed k zah\u0159\u00edv\u00e1n\u00ed. Slitiny s ni\u017e\u0161\u00edm bodem t\u00e1n\u00ed pot\u0159ebuj\u00ed chladic\u00ed kapalinu nebo n\u00edzkoot\u00e1\u010dkov\u00e9 n\u00e1stroje, aby nedo\u0161lo k deformaci.<\/p>\n

    5. Recyklace<\/strong><\/h3>\n

    V tavic\u00edch za\u0159\u00edzen\u00edch se hlin\u00edkov\u00fd \u0161rot tav\u00ed a reformuje. P\u0159edv\u00eddateln\u00e9 teploty taven\u00ed zvy\u0161uj\u00ed efektivitu a sni\u017euj\u00ed mno\u017estv\u00ed odpadu.<\/p>\n

    6. Bezpe\u010dnost v designu<\/strong><\/h3>\n

    Hlin\u00edkov\u00e9 konstrukce si mus\u00ed zachovat pevnost i za horka. Pokud jsou vystaveny teplot\u00e1m bl\u00edzk\u00fdm taven\u00ed, m\u016f\u017ee doj\u00edt k selh\u00e1n\u00ed d\u00edl\u016f.<\/p>\n\n\n\n\n\n\n\n\n\n
    Proces<\/th>\n\u00daloha bodu t\u00e1n\u00ed<\/th>\n<\/tr>\n<\/thead>\n
    Casting<\/td>\nNastav\u00ed teplotu nal\u00e9v\u00e1n\u00ed<\/td>\n<\/tr>\n
    Sva\u0159ov\u00e1n\u00ed<\/td>\nZabra\u0148uje prask\u00e1n\u00ed nebo deformac\u00edm<\/td>\n<\/tr>\n
    Tepeln\u00e9 zpracov\u00e1n\u00ed<\/td>\nUmo\u017e\u0148uje kontrolu mikrostruktury<\/td>\n<\/tr>\n
    Obr\u00e1b\u011bn\u00ed<\/td>\nZabra\u0148uje selh\u00e1n\u00ed zp\u016fsoben\u00e9mu teplem<\/td>\n<\/tr>\n
    Recyklace<\/td>\nur\u010duje spot\u0159ebu energie a teploty<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Pochopen\u00ed chov\u00e1n\u00ed p\u0159i taven\u00ed pom\u00e1h\u00e1 tak\u00e9 p\u0159i v\u00fdb\u011bru slitiny. Konstrukt\u00e9\u0159i mus\u00ed vybrat spr\u00e1vnou slitinu pro spr\u00e1vnou pr\u00e1ci - nejen z hlediska pevnosti nebo n\u00e1klad\u016f, ale tak\u00e9 z hlediska tepeln\u00e9 kompatibility.<\/p>\n

    <\/svg> Bod t\u00e1n\u00ed hraje kl\u00ed\u010dovou roli p\u0159i odl\u00e9v\u00e1n\u00ed, sva\u0159ov\u00e1n\u00ed a tepeln\u00e9m zpracov\u00e1n\u00ed hlin\u00edku.<\/b>Pravda<\/span><\/p>

    Ka\u017ed\u00fd tepeln\u00fd proces vy\u017eaduje znalost okam\u017eiku, kdy materi\u00e1l p\u0159ech\u00e1z\u00ed v kapalinu.<\/p><\/div>\n

    <\/svg> Bod t\u00e1n\u00ed nem\u00e1 vliv na to, jak se hlin\u00edk zpracov\u00e1v\u00e1 v pr\u016fmyslu.<\/b>False<\/span><\/p>

    V\u0161echny tepeln\u00e9 procesy jsou z\u00e1visl\u00e9 na p\u0159esn\u00e9 znalosti chov\u00e1n\u00ed p\u0159i taven\u00ed.<\/p><\/div>\n

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

    Hlin\u00edk se tav\u00ed p\u0159i teplot\u011b p\u0159ibli\u017en\u011b 660,3 \u00b0C, ale toto \u010d\u00edslo se m\u011bn\u00ed v z\u00e1vislosti na slitin\u011b. A\u0165 u\u017e sva\u0159ujete, odl\u00e9v\u00e1te, obr\u00e1b\u00edte nebo recyklujete, znalost rozsahu taven\u00ed je z\u00e1sadn\u00ed.<\/p>\n

    A\u017e p\u0159\u00ed\u0161t\u011b uvid\u00edte hlin\u00edkovou sou\u010d\u00e1stku - a\u0165 u\u017e jde o k\u0159\u00eddlo letadla, plechovku od limon\u00e1dy nebo okenn\u00ed r\u00e1m - nezapome\u0148te, \u017ee teplo, kter\u00e9 snese, z\u00e1vis\u00ed na teplot\u011b t\u00e1n\u00ed. A vybrat spr\u00e1vnou slitinu znamen\u00e1 v\u011bd\u011bt, kdy se v\u011bci za\u010dnou tavit.<\/p>","protected":false},"excerpt":{"rendered":"

    6063 aluminum alloy extrusion suitable for moderate melting range Aluminum is strong, light, and versatile-but how hot does it need to get before it melts? The melting point of pure aluminum is approximately 660.3\u00b0C (1220.5\u00b0F), which plays a critical role in how it\u2019s processed, shaped, and applied in various industries. Knowing the melting point is […]<\/p>\n","protected":false},"author":6,"featured_media":7489,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_analysis_target_kw":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-12113","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\/12113","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=12113"}],"version-history":[{"count":0,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts\/12113\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/media\/7489"}],"wp:attachment":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/media?parent=12113"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/categories?post=12113"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/tags?post=12113"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}