{"id":1623,"date":"2020-05-13T01:44:47","date_gmt":"2020-05-13T01:44:47","guid":{"rendered":"https:\/\/www.cftungsten.com\/?p=1623"},"modified":"2020-05-13T01:44:47","modified_gmt":"2020-05-13T01:44:47","slug":"powder-metallurgy-process-and-materials","status":"publish","type":"post","link":"https:\/\/www.cftungsten.com\/cs\/proces-a-materialy-praskove-metalurgie\/","title":{"rendered":"Proces a materi\u00e1ly pr\u00e1\u0161kov\u00e9 metalurgie"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:calc( 1170px + 0px );margin-left: calc(-0px \/ 2 );margin-right: calc(-0px \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:0px;--awb-margin-bottom-large:20px;--awb-spacing-left-large:0px;--awb-width-medium:100%;--awb-spacing-right-medium:0px;--awb-spacing-left-medium:0px;--awb-width-small:100%;--awb-spacing-right-small:0px;--awb-spacing-left-small:0px;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\"><p>Pr\u00e1\u0161kov\u00e1 metalurgie je zp\u016fsob v\u00fdroby kovov\u00e9ho pr\u00e1\u0161ku a tv\u00e1\u0159en\u00ed kovov\u00e9ho pr\u00e1\u0161ku nebo sm\u011bsi nekovov\u00e9ho pr\u00e1\u0161ku do produkt\u016f prost\u0159ednictv\u00edm tv\u00e1\u0159ec\u00edch a slinovac\u00edch proces\u016f. Dok\u00e1\u017ee nejen vyr\u00e1b\u011bt speci\u00e1ln\u00ed materi\u00e1ly, kter\u00e9 je obt\u00ed\u017en\u00e9 z\u00edskat b\u011b\u017en\u00fdmi metodami taven\u00ed, ale tak\u00e9 vyr\u00e1b\u011bt r\u016fzn\u00e9 r\u016fzn\u00e9 p\u0159esn\u00e9 mechanick\u00e9 d\u00edly, co\u017e \u0161et\u0159\u00ed pr\u00e1ci a materi\u00e1ly. N\u00e1klady na formu a kovov\u00fd pr\u00e1\u0161ek jsou v\u0161ak relativn\u011b vysok\u00e9 a nejsou vhodn\u00e9 pro mal\u00e9 s\u00e9rie nebo velk\u00e9 velikosti produkt\u016f. Ve srovn\u00e1n\u00ed s tradi\u010dn\u00ed technologi\u00ed materi\u00e1l\u016f maj\u00ed materi\u00e1ly a procesy pr\u00e1\u0161kov\u00e9 metalurgie n\u00e1sleduj\u00edc\u00ed vlastnosti:<\/p>\n<p>1. Proces pr\u00e1\u0161kov\u00e9 metalurgie se prov\u00e1d\u00ed pod bodem t\u00e1n\u00ed z\u00e1kladn\u00edho kovu, tak\u017ee je mo\u017en\u00e9 z\u00edskat \u0159adu heterogenn\u00edch speci\u00e1ln\u00edch funk\u010dn\u00edch kompozitn\u00edch materi\u00e1l\u016f a produkt\u016f, jako jsou r\u016fzn\u00e9 kovy, kovy a keramika, kovy a plasty s \u0161iroce r\u016fzn\u00e9 teploty t\u00e1n\u00ed a hustota.<\/p>\n<p>2. Zlep\u0161ete vlastnosti materi\u00e1lu. Jemn\u00fd kovov\u00fd nebo slitinov\u00fd pr\u00e1\u0161ek p\u0159ipraven\u00fd speci\u00e1ln\u00ed metodou m\u00e1 velmi rychlou rychlost tuhnut\u00ed a jemn\u00e1 a stejnom\u011brn\u00e1 zrna, co\u017e zaji\u0161\u0165uje rovnom\u011brnou organizaci materi\u00e1lu, stabiln\u00ed v\u00fdkon a dobr\u00fd v\u00fdkon za studena a za tepla a \u010d\u00e1stice pr\u00e1\u0161ku nejsou ovlivn\u011bny podle prvk\u016f slitiny a obsahu Omezen\u00ed mohou zv\u00fd\u0161it obsah zpev\u0148uj\u00edc\u00ed f\u00e1ze, a t\u00edm vyvinout nov\u00e9 materi\u00e1lov\u00e9 syst\u00e9my.<br \/>\n3. Pomoc\u00ed r\u016fzn\u00fdch tv\u00e1\u0159ec\u00edch proces\u016f mohou b\u00fdt pr\u00e1\u0161kov\u00e9 suroviny p\u0159\u00edmo tvarov\u00e1ny do polotovar\u016f nebo s\u00ed\u0165ov\u011b tvarovan\u00fdch d\u00edl\u016f s mal\u00fdm nebo \u017e\u00e1dn\u00fdm p\u0159ebytkem, co\u017e v\u00fdrazn\u011b sni\u017euje mno\u017estv\u00ed obr\u00e1b\u011bn\u00ed. Zlep\u0161it vyu\u017eit\u00ed materi\u00e1lu a sn\u00ed\u017eit n\u00e1klady.<\/p>\n<p>Existuje mnoho druh\u016f pr\u00e1\u0161kov\u00e9 metalurgie, zejm\u00e9na v\u010detn\u011b: wolframu a jin\u00fdch \u017e\u00e1ruvzdorn\u00fdch kov\u016f a slitinov\u00fdch v\u00fdrobk\u016f; karbid wolframu (WC), karbid titanu (TiC), karbid tantalu (TaC) a dal\u0161\u00ed tvrd\u00e9 slitiny vyu\u017e\u00edvaj\u00edc\u00ed Co a Ni jako pojiva Pou\u017e\u00edv\u00e1 se k v\u00fdrob\u011b vrt\u00e1k\u016f, soustru\u017enick\u00fdch n\u00e1stroj\u016f, fr\u00e9z v \u0159ezn\u00fdch n\u00e1stroj\u00edch a n\u00e1stroj\u016f odoln\u00fdch proti opot\u0159eben\u00ed a m\u016f\u017ee tak\u00e9 vyr\u00e1b\u011bt formy; por\u00e9zn\u00ed materi\u00e1ly jako slitina Cu, nerezov\u00e1 ocel a Ni, pou\u017e\u00edvan\u00e9 k v\u00fdrob\u011b lo\u017eisek s obsahem slinut\u00e9ho oleje, slinut\u00fdch kovov\u00fdch filtr\u016f a textiln\u00edch krou\u017ek\u016f atd. . S rozvojem technologie v\u00fdroby pr\u00e1\u0161kov\u00e9 metalurgie se bude pr\u00e1\u0161kov\u00e1 metalurgie a jej\u00ed produkty st\u00e1le v\u00edce vyu\u017e\u00edvat.<\/p>\n<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":1270,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1623","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.cftungsten.com\/cs\/wp-json\/wp\/v2\/posts\/1623","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cftungsten.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cftungsten.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cftungsten.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cftungsten.com\/cs\/wp-json\/wp\/v2\/comments?post=1623"}],"version-history":[{"count":0,"href":"https:\/\/www.cftungsten.com\/cs\/wp-json\/wp\/v2\/posts\/1623\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cftungsten.com\/cs\/wp-json\/wp\/v2\/media\/1270"}],"wp:attachment":[{"href":"https:\/\/www.cftungsten.com\/cs\/wp-json\/wp\/v2\/media?parent=1623"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cftungsten.com\/cs\/wp-json\/wp\/v2\/categories?post=1623"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cftungsten.com\/cs\/wp-json\/wp\/v2\/tags?post=1623"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}