Crack resistance characterization in TiAl intermetallics with enhanced toughness
Identifikátory výsledku
Kód výsledku v IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F16%3APU140299" target="_blank" >RIV/00216305:26210/16:PU140299 - isvavai.cz</a>
Výsledek na webu
<a href="https://www.scopus.com/record/display.uri?eid=2-s2.0-85026896008&origin=resultslist" target="_blank" >https://www.scopus.com/record/display.uri?eid=2-s2.0-85026896008&origin=resultslist</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.4028/www.scientific.net/KEM.741.13" target="_blank" >10.4028/www.scientific.net/KEM.741.13</a>
Alternativní jazyky
Jazyk výsledku
angličtina
Název v původním jazyce
Crack resistance characterization in TiAl intermetallics with enhanced toughness
Popis výsledku v původním jazyce
The paper is focused on the analysis of the role of lamellar microstructure in fracture performance of model TiAl intermetallic compound. Coarse lamellar colonies and, at the same time, fine lamellar morphology were prepared by compressive deformation at 1553 K (region of stable α phase in TiAl equilibrium diagram) followed by controlled cooling to 1473 K (region of α+γ phase) with delay on this temperature and then cooling down. The fracture toughness was evaluated by means of chevron notch technique. In addition, because of enhanced toughness, crack resistance curves were obtained by load - unload technique of pre-racked beams, namely in two directions of crack propagation relative to lamellar structure. Extensive development of shear ligament toughening mechanism was observed in fracture surfaces leading to quite good fracture toughness thanks to the heat treatment applied. © 2017 Trans Tech Publications, Switzerland.
Název v anglickém jazyce
Crack resistance characterization in TiAl intermetallics with enhanced toughness
Popis výsledku anglicky
The paper is focused on the analysis of the role of lamellar microstructure in fracture performance of model TiAl intermetallic compound. Coarse lamellar colonies and, at the same time, fine lamellar morphology were prepared by compressive deformation at 1553 K (region of stable α phase in TiAl equilibrium diagram) followed by controlled cooling to 1473 K (region of α+γ phase) with delay on this temperature and then cooling down. The fracture toughness was evaluated by means of chevron notch technique. In addition, because of enhanced toughness, crack resistance curves were obtained by load - unload technique of pre-racked beams, namely in two directions of crack propagation relative to lamellar structure. Extensive development of shear ligament toughening mechanism was observed in fracture surfaces leading to quite good fracture toughness thanks to the heat treatment applied. © 2017 Trans Tech Publications, Switzerland.
Klasifikace
Druh
J<sub>SC</sub> - Článek v periodiku v databázi SCOPUS
CEP obor
—
OECD FORD obor
20501 - Materials engineering
Návaznosti výsledku
Projekt
<a href="/cs/project/GA13-35890S" target="_blank" >GA13-35890S: Intermetalické sloučeniny syntetizované in-situ v kineticky nanášeném depozitu</a><br>
Návaznosti
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Ostatní
Rok uplatnění
2016
Kód důvěrnosti údajů
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Údaje specifické pro druh výsledku
Název periodika
Key Engineering Materials (print)
ISSN
1013-9826
e-ISSN
—
Svazek periodika
741
Číslo periodika v rámci svazku
11
Stát vydavatele periodika
CH - Švýcarská konfederace
Počet stran výsledku
6
Strana od-do
13-18
Kód UT WoS článku
—
EID výsledku v databázi Scopus
2-s2.0-85026896008