ISSN:
1662-9752
Source:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
The thermal properties of a Zr76.11Ti4.20Cu4.51Ni3.16Be1.49Nb10.53 bulk metallic glass (BMG) havebeen investigated by using a differential scanning calorimeter (DSC). The composition of dendritephase was then subsequently analyzed by using an EPMA, XRD, and TEM. The glass transition andcrystallization onset temperatures were determined as 339.7 ˚C and 375.8 ˚C for this BMG,respectively. The Zr-Ti-Nb dendrite phase was found to have a BCC structure. Mechanicalproperties have also been examined by conducting a series of uniaxial compression tests at varioustemperatures within supercooled liquid region under the strain rates between 10-4 /s and 3×10-2 /s.The hardness of matrix and dendrite was then measured separately. The glassy matrix appears toplay major role on the elongation, while dendrite phase on the strength of this BMG composite athigh temperatures within supercooled liquid region
Type of Medium:
Electronic Resource
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/02/15/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.539-543.2111.pdf
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