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| Description
| - Předložený příspěvek se zabývá srovnáním odolnosti vybraných typů zušlechtěných ocelí vůči sulfidickému praskání pod napětím. Ke zkoušení byly použity mikrolegované oceli X52 a X60 dle API a supermartenzitická ocel 13Cr6Ni2,5Mo. Zušlechtění bylo provedeno v laboratorních podmínkách. Testování vzorků bylo provedeno pomocí tahových zkoušek, při kterých byly vzorky zatíženy napětím, které odpovídalo určitému podílu meze kluzu a sledovala se doba do lomu jednotlivých vzorků ocelí. Detailní popis zkušební metody je uveden v [1]. Lomové plochy vzorků pak byly detailně prozkoumány pomocí řádkovací elektronové mikroskopie, konkrétně na řádkovacím elektronovém mikroskopu firmy JEOL s označením JSM 50-A. Ze vzájemného srovnání odolnosti ocelí vůči sulfidickému praskání pod napětím se jako nejhorší jevila supermartenzitická ocel 13Cr6Ni2,5Mo, a to i přesto, že pokud jde o strukturu má velkou přednost, kterou je vysoký podíl reverzního austenitu (cca 30 %). Určitou roli v případě neodolnosti této oceli vůči SSC (cs)
- Presented paper compares resistance of selected types of quenched and tempered steels to sulphide stress cracking (SSC). Experiments were made with use of microalloyed steel grades X52 and X60 according to API and supermartensitic steel 13Cr6Ni2.5Mo. Heat treatment was realised in laboratory conditions. The samples were subjected to tensile tests, during which the samples were exposed to stress corresponding to a certain degree of yield strength ant time to rupture of individual samples of steels was measured. Detailed description of the testing method is given in NACE TM 0177. Fractures areas of the samples were then investigated in detail with use of scanning electron microscopy, namely of the scanning electron microscope JEOL JSM 50-A. Mutual comparison of resistance of steels to sulphide stress cracking showed that the worst was supermartensitic steel 13Cr6Ni2.5Mo, in spite of the fact that it has great structural advantage, since it contains high portion of reverse austenite (approx. 30 %). Chem
- Presented paper compares resistance of selected types of quenched and tempered steels to sulphide stress cracking (SSC). Experiments were made with use of microalloyed steel grades X52 and X60 according to API and supermartensitic steel 13Cr6Ni2.5Mo. Heat treatment was realised in laboratory conditions. The samples were subjected to tensile tests, during which the samples were exposed to stress corresponding to a certain degree of yield strength ant time to rupture of individual samples of steels was measured. Detailed description of the testing method is given in NACE TM 0177. Fractures areas of the samples were then investigated in detail with use of scanning electron microscopy, namely of the scanning electron microscope JEOL JSM 50-A. Mutual comparison of resistance of steels to sulphide stress cracking showed that the worst was supermartensitic steel 13Cr6Ni2.5Mo, in spite of the fact that it has great structural advantage, since it contains high portion of reverse austenite (approx. 30 %). Chem (en)
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| Title
| - COMPARISON OF RESISTANCE OF QUENCHED AND TEMPERED STEELS TO SULPHIDE STRESS CRACKING
- SROVNÁNÍ ODOLNOSTI ZUŠLECHTĚNÝCH OCELÍ VŮČI SULFIDICKÉMU PRASKÁNÍ POD NAPĚTÍM (cs)
- COMPARISON OF RESISTANCE OF QUENCHED AND TEMPERED STEELS TO SULPHIDE STRESS CRACKING (en)
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| skos:prefLabel
| - COMPARISON OF RESISTANCE OF QUENCHED AND TEMPERED STEELS TO SULPHIDE STRESS CRACKING
- SROVNÁNÍ ODOLNOSTI ZUŠLECHTĚNÝCH OCELÍ VŮČI SULFIDICKÉMU PRASKÁNÍ POD NAPĚTÍM (cs)
- COMPARISON OF RESISTANCE OF QUENCHED AND TEMPERED STEELS TO SULPHIDE STRESS CRACKING (en)
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| skos:notation
| - RIV/61989100:27360/07:00016228!RIV09-MSM-27360___
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/61989100:27360/07:00016228
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - sulphide stress cracking heat treatment; microstructure; mechanical properties (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| - Acta Metallurgica Slovaca
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...UplatneniVysledku
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| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
| - Jonšta, Petr
- Sojka, Jaroslav
- Váňová, Petra
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| http://linked.open...n/vavai/riv/zamer
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| issn
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| number of pages
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| http://localhost/t...ganizacniJednotka
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| is http://linked.open...avai/riv/vysledek
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