"P\u0158\u00CDSP\u011AVEK K FYZIK\u00C1LN\u00CD METALURGII NOV\u00C9HO Mn MATERI\u00C1LU O VYSOK\u00C9 PEVNOSTI"@cs . "Mazancov\u00E1, Eva" . . "In the automotive industry significant process has been achieved concerning safety and fuel economy. High manganese materials form perspective generation of ductile high strength alloy. Extraordinary mechanical properties of these alloys named FeMnTWIP1100 (twinning induced plasticity) basically come from two main features: a) material is fully formed with the FCC structure at all considered temperatures b) twinning is the main deformation mechanism. The FeMnTWIP alloys possess low stacking fault energy (SFE) leading to the possibility of multiple simultaneous and/or sequential deformation mechanisms. In addition to dislocation slip, both mechanism twinning and -martensite formation are concurrent deformation mechanisms linked to the SFE. The boundary value of those parameters is 18mJm-2. At the SFE level, being higher than presented critical value (around 20 25mJm-2 usually) -martensite is not initiated. The twinning deformation acts as the decisive mechanism contributing to the achievement of high" . . "V automobilob\u00E9m pr\u016Fmyslu bylo dosa\u017Eeno v\u00FDznamn\u00E9ho pokroku jak v bezpe\u010Dnosti, tak i ve spot\u0159eb\u011B paliva. Perspektivn\u00ED generaci materi\u00E1l\u016F tvo\u0159\u00ED vysokomanganov\u00E9 slitiny o vysok\u00E9 pevnosti a ta\u017Enosti. Jedn\u00E1 se nap\u0159. o slitiny FeMn TWIP1100 (dvoj\u010Datov\u011B indukovan\u00E1 plasticita), u nich\u017E je materi\u00E1l v \u0161irok\u00E9m intervalu teplot tvo\u0159en zcela strukturou FCC a hlavn\u00EDm deforma\u010Dn\u00EDm mechanismem je dvoj\u010Datn\u00ED. Vedle disloka\u010Dn\u00EDho skluzu je realizov\u00E1no mechanick\u00E9 dvoj\u010Datn\u00ED anebo -martensit. Oba posledn\u00ED dva jmenovan\u00E9 mechanismy jsou konkuren\u010Dn\u00ED a jejich realizace z\u00E1vis\u00ED na energii vrstevn\u00E9 chyby (SFE). Je-li tato vy\u0161\u0161\u00ED ne\u017E cca 20mJm-2, nevznik\u00E1 -martensit. Dvoj\u010Datn\u00ED pak je rozhoduj\u00EDc\u00EDm mechanismem a p\u0159isp\u00EDv\u00E1 k dosa\u017Een\u00ED vysok\u00FDch mechanick\u00FDch vlastnost\u00ED. Mez kluzu Rp odpov\u00EDd\u00E1 cca 500 MPa, Rm 1100 MPa a celkov\u00E9 prodlou\u017Een\u00ED 50-60 % p\u0159i t\u00E9m\u011B\u0159 stejn\u00E9 \u00FArovni rovnom\u011Brn\u00E9ho prodlou\u017Een\u00ED. V dan\u00E9m p\u0159\u00EDpad\u011B je tvorba kr\u010Dku potla\u010Dena."@cs . . "In the automotive industry significant process has been achieved concerning safety and fuel economy. High manganese materials form perspective generation of ductile high strength alloy. Extraordinary mechanical properties of these alloys named FeMnTWIP1100 (twinning induced plasticity) basically come from two main features: a) material is fully formed with the FCC structure at all considered temperatures b) twinning is the main deformation mechanism. The FeMnTWIP alloys possess low stacking fault energy (SFE) leading to the possibility of multiple simultaneous and/or sequential deformation mechanisms. In addition to dislocation slip, both mechanism twinning and -martensite formation are concurrent deformation mechanisms linked to the SFE. The boundary value of those parameters is 18mJm-2. At the SFE level, being higher than presented critical value (around 20 25mJm-2 usually) -martensite is not initiated. The twinning deformation acts as the decisive mechanism contributing to the achievement of high"@en . . "RIV/61989100:27360/07:00016195" . . . "Mechanical twinning; -martensite; stacking fault energy; necking formation; twinning induced plasticity (TWIP)"@en . "6"^^ . "[1FD55C0E5C2A]" . "4" . "P\u0158\u00CDSP\u011AVEK K FYZIK\u00C1LN\u00CD METALURGII NOV\u00C9HO Mn MATERI\u00C1LU O VYSOK\u00C9 PEVNOSTI"@cs . "1335-1532" . "13" . . . "414975" . . "CONTRIBUTION TO PHYSICAL METALLURGY OF NEW HIGH STRENGTH Mn MATERIAL" . . "CONTRIBUTION TO PHYSICAL METALLURGY OF NEW HIGH STRENGTH Mn MATERIAL"@en . "Acta Metallurgica Slovaca" . . "SK - Slovensk\u00E1 republika" . . . "Mazanec, Karel" . . "27360" . "RIV/61989100:27360/07:00016195!RIV09-MSM-27360___" . "2"^^ . "CONTRIBUTION TO PHYSICAL METALLURGY OF NEW HIGH STRENGTH Mn MATERIAL" . "CONTRIBUTION TO PHYSICAL METALLURGY OF NEW HIGH STRENGTH Mn MATERIAL"@en . "Z(MSM6198910013)" . . "2"^^ . . . .