"43537" . "RTG difrak\u010Dn\u00ED tenzometrick\u00E1 anal\u00FDza oxidovan\u00FDch povrchov\u00FDch vrstev ocel\u00ED" . "2" . "RTG difrak\u010Dn\u00ED tenzometrick\u00E1 anal\u00FDza oxidovan\u00FDch povrchov\u00FDch vrstev ocel\u00ED"@cs . "[70D51277A818]" . "Zuz\u00E1nek, Luk\u00E1\u0161" . "RIV/46747885:24210/14:#0006474" . "24210" . . . . . . . "electrolytic polishing; residual stress; X-ray diffraction; laser welding"@en . . "RTG difrak\u010Dn\u00ED tenzometrick\u00E1 anal\u00FDza oxidovan\u00FDch povrchov\u00FDch vrstev ocel\u00ED"@cs . . "\u0158idk\u00FD, Ond\u0159ej" . "X-ray Diffraction Analysis of Steel with Oxidised Surface Layer"@en . "P(TA02011004), S" . . "ro\u010Dn\u00EDk XIX" . "CZ - \u010Cesk\u00E1 republika" . "3"^^ . . "Kola\u0159\u00EDk, Kamil" . "Stroj\u00EDrensk\u00E1 technologie" . . . . "RIV/46747885:24210/14:#0006474!RIV15-MSM-24210___" . . "http://casopis.strojirenskatechnologie.cz/templates/obalky_casopis/XIX_2_2014.pdf" . "4"^^ . . "The basic principle of the X-ray diffraction analysis is based on the determination of components of residual stresses. They are determined on the basis of the change in the distance between atomic planes. The method is limited by a relatively small depth in which the X-ray beam penetrates into the analysed materials. For determi-nation of residual stresses in the surface layer the X-ray diffraction and electrolytic polishing has to be combined. The article is deals with the determination of residual stress and real material structure of a laser-welded steel sample with an oxide surface layer. This surface layer is created during the rolling and it prevents the material from its corrosion. Before the X-ray diffraction analysis can be performed, this surface layer has to be removed. This surface layer cannot be removed with the help of electrolytic polishing and, therefore, it has to be removed mechanically. This mechanical procedure creates \u201Ctechnological\u201D residual stress in the surface layer. This addi-tional residual stress is removed by the electrolytic polishing in the depth between 20 and 80 \u00B5m. Finally, the real structure and residual stresses can be determined by using the X-ray diffraction techniques."@en . . . . "Z\u00E1kladn\u00ED princip difrak\u010Dn\u00ED tenzometrie spo\u010D\u00EDv\u00E1 v ur\u010Den\u00ED slo\u017Eek tenzoru zbytkov\u00FDch nap\u011Bt\u00ED na z\u00E1klad\u011B stanoven\u00ED zm\u011Bn vzd\u00E1lenost\u00ED atomov\u00FDch m\u0159\u00ED\u017Ekov\u00FDch rovin. Metoda je omezena pom\u011Brn\u011B malou hloubkou vnik\u00E1n\u00ED rentgenov\u00FDch paprsk\u016F do zkouman\u00FDch materi\u00E1l\u016F. Pro zji\u0161t\u011Bn\u00ED podpovrchov\u00E9ho pr\u016Fb\u011Bhu zbytkov\u00FDch nap\u011Bt\u00ED je t\u0159eba kombinovat difrakci s postupn\u00FDm bezsilov\u00FDm elektro-chemick\u00FDm odstra\u0148ov\u00E1n\u00EDm vrstev. P\u0159\u00EDsp\u011Bvek se zab\u00FDv\u00E1 mo\u017Enost\u00ED stanoven\u00ED zbytkov\u00FDch nap\u011Bt\u00ED a re\u00E1ln\u00E9 struktury materi\u00E1lu na laserem sva\u0159ovan\u00E9m ocelov\u00E9m vzorku s oxidovou povrchovou vrstvou. Tato vrstva vznik\u00E1 \u00FA\u010Delov\u011B p\u0159i v\u00E1lcov\u00E1n\u00ED a zabra\u0148uje korozi. P\u0159ed proveden\u00EDm rentgenografick\u00FDch difrak\u010Dn\u00EDch m\u011B\u0159en\u00ED je nutn\u00E9 vrstvu odstranit. Vzhledem k\u00A0tomu, \u017Ee oxidovou povrchovou vrstvu nelze rozpustit elektrolyticky, je nutn\u00E9 ji odstranit mechanicky, \u010D\u00EDm\u017E se do povrchu materi\u00E1lu vn\u00E1\u0161\u00ED \u201Etechnologick\u00E9\u201C zbytkov\u00E9 nap\u011Bt\u00ED. N\u00E1sledn\u00E9 elektrolytick\u00E9 odle\u0161t\u011Bn\u00ED vrstvy ovlivn\u011Bn\u00E9ho povrchu o tlou\u0161\u0165ce 20 a\u017E 80 \u00B5m umo\u017E\u0148uje zjistit stav re\u00E1ln\u00E9 struktury a zbytkov\u00FDch nap\u011Bt\u00ED pomoc\u00ED rtg difrakce v\u00A0dan\u00E9 hloubce. P\u0159\u00EDsp\u011Bvek je\u00A0v\u011Bnov\u00E1n experiment\u00E1ln\u00EDm zku\u0161enostem autor\u016F s\u00A0difrak\u010Dn\u00ED anal\u00FDzou re\u00E1ln\u00E9 struktury ocel\u00ED s\u00A0oxidovan\u00FDm povrchem." . "Z\u00E1kladn\u00ED princip difrak\u010Dn\u00ED tenzometrie spo\u010D\u00EDv\u00E1 v ur\u010Den\u00ED slo\u017Eek tenzoru zbytkov\u00FDch nap\u011Bt\u00ED na z\u00E1klad\u011B stanoven\u00ED zm\u011Bn vzd\u00E1lenost\u00ED atomov\u00FDch m\u0159\u00ED\u017Ekov\u00FDch rovin. Metoda je omezena pom\u011Brn\u011B malou hloubkou vnik\u00E1n\u00ED rentgenov\u00FDch paprsk\u016F do zkouman\u00FDch materi\u00E1l\u016F. Pro zji\u0161t\u011Bn\u00ED podpovrchov\u00E9ho pr\u016Fb\u011Bhu zbytkov\u00FDch nap\u011Bt\u00ED je t\u0159eba kombinovat difrakci s postupn\u00FDm bezsilov\u00FDm elektro-chemick\u00FDm odstra\u0148ov\u00E1n\u00EDm vrstev. P\u0159\u00EDsp\u011Bvek se zab\u00FDv\u00E1 mo\u017Enost\u00ED stanoven\u00ED zbytkov\u00FDch nap\u011Bt\u00ED a re\u00E1ln\u00E9 struktury materi\u00E1lu na laserem sva\u0159ovan\u00E9m ocelov\u00E9m vzorku s oxidovou povrchovou vrstvou. Tato vrstva vznik\u00E1 \u00FA\u010Delov\u011B p\u0159i v\u00E1lcov\u00E1n\u00ED a zabra\u0148uje korozi. P\u0159ed proveden\u00EDm rentgenografick\u00FDch difrak\u010Dn\u00EDch m\u011B\u0159en\u00ED je nutn\u00E9 vrstvu odstranit. Vzhledem k\u00A0tomu, \u017Ee oxidovou povrchovou vrstvu nelze rozpustit elektrolyticky, je nutn\u00E9 ji odstranit mechanicky, \u010D\u00EDm\u017E se do povrchu materi\u00E1lu vn\u00E1\u0161\u00ED \u201Etechnologick\u00E9\u201C zbytkov\u00E9 nap\u011Bt\u00ED. N\u00E1sledn\u00E9 elektrolytick\u00E9 odle\u0161t\u011Bn\u00ED vrstvy ovlivn\u011Bn\u00E9ho povrchu o tlou\u0161\u0165ce 20 a\u017E 80 \u00B5m umo\u017E\u0148uje zjistit stav re\u00E1ln\u00E9 struktury a zbytkov\u00FDch nap\u011Bt\u00ED pomoc\u00ED rtg difrakce v\u00A0dan\u00E9 hloubce. P\u0159\u00EDsp\u011Bvek je\u00A0v\u011Bnov\u00E1n experiment\u00E1ln\u00EDm zku\u0161enostem autor\u016F s\u00A0difrak\u010Dn\u00ED anal\u00FDzou re\u00E1ln\u00E9 struktury ocel\u00ED s\u00A0oxidovan\u00FDm povrchem."@cs . "Ganev, Nikolaj" . "X-ray Diffraction Analysis of Steel with Oxidised Surface Layer"@en . . "RTG difrak\u010Dn\u00ED tenzometrick\u00E1 anal\u00FDza oxidovan\u00FDch povrchov\u00FDch vrstev ocel\u00ED" . "8"^^ . "1211-4162" .