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National Repository of Grey Literature 69 records found  beginprevious68 - 69  jump to record: Search took 0.00 seconds. 
Vliv tepelného namáhání na mechanické vlastnosti FeNiB amorfní slitiny
 Zábranský, Karel ; Jirásková, Yvonna
An influence of thermal treatment in the temperature range of 150 - 350 °C on the structural and mechanical properties of an amorphous FeNiB alloy is investigated. The high tensile strength of 2200 MPa in the as-prepared amorphous state slightly decreases with increasing temperature of annealing up to approximately 200 °C in opposite to microhardness where an increase is observed. Above 200 °C a pronounced deterioration of both characteristics reflect the embrittlement of amorphous structure without any indications of crystallization.
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Instrumentovaný indentační test v nano- a mikroměřítku
 Buršíková, V. ; Buršík, Jiří ; Bláhová, O. ; Dušek, J. ; Navrátil, V.
Several materials were chosen to span a wide range of hardness and structure,including pure copper,nickel,titanium,cadmium,zinc and silver.Nanoindentation hardness and microhardness values in wide interval of loads,measured by DSI method and classical Vickers microhardness method were compared in view of indentation Size Effect.
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National Repository of Grey Literature : 69 records found   beginprevious68 - 69  jump to record:
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