{"id":4617,"date":"2024-05-11T05:26:18","date_gmt":"2024-05-11T05:26:18","guid":{"rendered":"https:\/\/3dpmetal.com\/?p=4617"},"modified":"2024-05-11T05:26:23","modified_gmt":"2024-05-11T05:26:23","slug":"inconel-718-powder-202405112","status":"publish","type":"post","link":"https:\/\/3dpmetal.com\/cs\/inconel-718-powder-202405112\/","title":{"rendered":"Inconel 718 pr\u00e1\u0161ek"},"content":{"rendered":"

\u00davod<\/strong><\/h2>\n\n\n\n

P\u0159edstavte si materi\u00e1l tak pevn\u00fd, \u017ee zvl\u00e1dne intenzivn\u00ed teplo proudov\u00e9ho motoru, a z\u00e1rove\u0148 tak odoln\u00fd v\u016f\u010di korozi, \u017ee vydr\u017e\u00ed drsn\u00e9 prost\u0159ed\u00ed chemick\u00e9ho z\u00e1vodu. To je kouzlo Pr\u00e1\u0161ek Inconel 718<\/a>, superhrdina ve sv\u011bt\u011b kovov\u00fdch slitin. Co to ale p\u0159esn\u011b je a pro\u010d zp\u016fsobuje ve v\u00fdrobn\u00edm pr\u016fmyslu takov\u00fd rozruch? P\u0159ipoutejte se, proto\u017ee se chyst\u00e1me pono\u0159it do fascinuj\u00edc\u00edho sv\u011bta pr\u00e1\u0161ku Inconel 718, prozkoumat jeho vlastnosti, aplikace a konkr\u00e9tn\u00ed modely, kter\u00e9 to v\u0161e umo\u017e\u0148uj\u00ed.<\/p>\n\n\n\n

Co je to Inconel 718 pr\u00e1\u0161ek<\/a>?<\/strong><\/h2>\n\n\n\n

Pr\u00e1\u0161ek Inconel 718 je v j\u00e1dru jemn\u011b mlet\u00e1 verze Inconelu 718, vysoce v\u00fdkonn\u00e9 superslitiny niklu a chromu. P\u0159edstavte si to, jako byste vzali ty\u010d superpevn\u00e9 oceli a rozemleli ji na drobn\u00e9 \u010d\u00e1ste\u010dky. Tyto \u010d\u00e1stice, jejich\u017e velikost se obvykle pohybuje od 15 do 150 mikrometr\u016f (to je neuv\u011b\u0159iteln\u011b m\u00e1lo, asi jako lidsk\u00fd vlas!), jsou speci\u00e1ln\u011b navr\u017eeny pro revolu\u010dn\u00ed v\u00fdrobn\u00ed techniku zvanou aditivn\u00ed v\u00fdroba, zn\u00e1mou tak\u00e9 jako 3D tisk.<\/p>\n\n\n

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\"Inconel<\/figure>\n<\/div>\n\n\n

Kl\u00ed\u010dov\u00e9 vlastnosti Inconel 718 pr\u00e1\u0161ek<\/a><\/strong><\/h2>\n\n\n\n

(Tabulka: Kl\u00ed\u010dov\u00e9 vlastnosti pr\u00e1\u0161ku Inconel 718)<\/p>\n\n\n\n

Nemovitost<\/th>Popis<\/th><\/tr>
Vysok\u00e1 pevnost<\/strong><\/td>Pr\u00e1\u0161ek Inconel 718 se m\u016f\u017ee pochlubit v\u00fdjime\u010dnou pevnost\u00ed v tahu, co\u017e znamen\u00e1, \u017ee odol\u00e1 tahov\u00fdm sil\u00e1m, ani\u017e by se zlomil. D\u00edky tomu je ide\u00e1ln\u00ed pro sou\u010d\u00e1sti, kter\u00e9 jsou vystaveny zna\u010dn\u00e9mu nam\u00e1h\u00e1n\u00ed, jako jsou lopatky turb\u00edn v leteck\u00fdch motorech.<\/td><\/tr>
Vynikaj\u00edc\u00ed odolnost proti korozi<\/strong><\/td>Pr\u00e1\u0161ku Inconel 718 nevad\u00ed ani nejkyselej\u0161\u00ed nebo nej\u017erav\u011bj\u0161\u00ed prost\u0159ed\u00ed. D\u00edky t\u00e9to odolnosti v\u016f\u010di korozi a degradaci je ide\u00e1ln\u00ed pro pou\u017eit\u00ed v chemick\u00fdch provozech, v mo\u0159sk\u00e9m prost\u0159ed\u00ed a p\u0159i t\u011b\u017eb\u011b ropy a zemn\u00edho plynu.<\/td><\/tr>
Vynikaj\u00edc\u00ed tepeln\u00e1 odolnost<\/strong><\/td>P\u0159edstavte si materi\u00e1l, kter\u00fd dok\u00e1\u017ee odol\u00e1vat \u017ehav\u00fdm teplot\u00e1m p\u0159esahuj\u00edc\u00edm 705 \u00b0C (1300 \u00b0F). Pr\u00e1v\u011b takovou tepelnou odolnost m\u00e1 pr\u00e1\u0161kov\u00fd Inconel 718, kter\u00fd je vhodn\u00fdm kandid\u00e1tem pro d\u00edly vystaven\u00e9 extr\u00e9mn\u00edmu teplu, jako jsou spalovac\u00ed za\u0159\u00edzen\u00ed a v\u00fdm\u011bn\u00edky tepla.<\/td><\/tr>
Schwei\u00dfbarkeit<\/strong><\/td>Na rozd\u00edl od n\u011bkter\u00fdch choulostiv\u00fdch materi\u00e1l\u016f se Inconel 718 pr\u00e1\u0161kov\u011b sva\u0159uje skv\u011ble. To umo\u017e\u0148uje vytv\u00e1\u0159et slo\u017eit\u00e9 a komplikovan\u00e9 struktury pomoc\u00ed technologie 3D tisku.<\/td><\/tr>
Odolnost proti st\u00e1rnut\u00ed<\/strong><\/td>Tato jedine\u010dn\u00e1 vlastnost umo\u017e\u0148uje pr\u00e1\u0161ek Inconel 718 d\u00e1le zpevnit tepeln\u00fdm zpracov\u00e1n\u00edm. D\u00edky tomuto dodate\u010dn\u00e9mu zv\u00fd\u0161en\u00ed pevnosti je je\u0161t\u011b vhodn\u011bj\u0161\u00ed pro n\u00e1ro\u010dn\u00e9 aplikace.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

aplikace pr\u00e1\u0161ku Inconel 718<\/strong><\/h2>\n\n\n\n

(Tabulka: Aplikace pr\u00e1\u0161ku Inconel 718)<\/p>\n\n\n\n

Pr\u016fmysl<\/th>P\u0159\u00edklady pou\u017eit\u00ed<\/th><\/tr>
Letectv\u00ed a kosmonautika<\/strong><\/td>Lopatky turb\u00edn, oblo\u017een\u00ed spalovac\u00edch motor\u016f, sou\u010d\u00e1sti podvozku, sou\u010d\u00e1sti raketov\u00fdch motor\u016f.<\/td><\/tr>
Ropn\u00fd a plynov\u00fd pr\u016fmysl<\/strong><\/td>Vrtn\u00e9 n\u00e1\u0159ad\u00ed, sou\u010d\u00e1sti \u00fast\u00ed vrtu, ventily<\/td><\/tr>
Chemick\u00e9 zpracov\u00e1n\u00ed<\/strong><\/td>Reaktory, v\u00fdm\u011bn\u00edky tepla, \u010derpadla, ventily<\/td><\/tr>
V\u00fdroba energie<\/strong><\/td>Sou\u010d\u00e1sti plynov\u00fdch turb\u00edn, v\u00fdm\u011bn\u00edky tepla<\/td><\/tr>
Medical<\/strong><\/td>Protetick\u00e9 implant\u00e1ty, chirurgick\u00e9 n\u00e1stroje<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Specifick\u00e9 modely kovov\u00fdch pr\u00e1\u0161k\u016f<\/strong><\/h2>\n\n\n\n

Vzhledem k obrovsk\u00e9mu potenci\u00e1lu pr\u00e1\u0161ku Inconel 718 nen\u00ed p\u0159ekvapen\u00edm, \u017ee jsou k dispozici r\u016fzn\u00e9 modely, z nich\u017e ka\u017ed\u00fd m\u00e1 drobn\u00e9 rozd\u00edly ve vlastnostech a specifikac\u00edch. Zde je bli\u017e\u0161\u00ed pohled na deset v\u00fdznamn\u00fdch model\u016f:<\/p>\n\n\n\n