TY - JOUR
T1 - Gd-Co-Al and Gd-Ni-Al bulk metallic glasses with high glass forming ability and good mechanical properties
AU - Chen, Ding
AU - Takeuchi, Akira
AU - Inoue, Akihisa
PY - 2007/5/25
Y1 - 2007/5/25
N2 - The glass forming ability of Gd-Co-Al and Gd-Al-Ni ternary alloy systems with a composition range of 50-70 at.% Gd and 0-40 at.% Al were investigated by copper mold casting. Bulk glassy alloys with composition of Gd60Co25Al15 and Gd60Ni15Al25 with the maximum diameters of 5 and 4 mm, respectively, were produced in the Gd-Al-Co and Gd-Al-Ni alloy systems The reduce glass transformation temperature (Tg/Tl) and the distance of supercooling region ΔTx are 0.6 and 45 K for the Gd60Co25Al15 and Gd60Ni15Al25 bulk metallic glasses, respectively. The compressive fracture strength σf and Young's modulus E of these two glassy alloys are 1250 MPa and 63 GPa for Gd60Co25Al15, 1300 MPa and 65 GPa for Gd60Ni15Al25 alloy, respectively. The Gd-Co-Al and Gd-Al-Ni bulk glassy alloys with high glass forming ability and good mechanical properties are promising for the future development as a new type function materials.
AB - The glass forming ability of Gd-Co-Al and Gd-Al-Ni ternary alloy systems with a composition range of 50-70 at.% Gd and 0-40 at.% Al were investigated by copper mold casting. Bulk glassy alloys with composition of Gd60Co25Al15 and Gd60Ni15Al25 with the maximum diameters of 5 and 4 mm, respectively, were produced in the Gd-Al-Co and Gd-Al-Ni alloy systems The reduce glass transformation temperature (Tg/Tl) and the distance of supercooling region ΔTx are 0.6 and 45 K for the Gd60Co25Al15 and Gd60Ni15Al25 bulk metallic glasses, respectively. The compressive fracture strength σf and Young's modulus E of these two glassy alloys are 1250 MPa and 63 GPa for Gd60Co25Al15, 1300 MPa and 65 GPa for Gd60Ni15Al25 alloy, respectively. The Gd-Co-Al and Gd-Al-Ni bulk glassy alloys with high glass forming ability and good mechanical properties are promising for the future development as a new type function materials.
KW - Amorphous materials
KW - Bulk metallic glasses
KW - Glass-forming ability
KW - Mechanical properties
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U2 - 10.1016/j.msea.2006.12.028
DO - 10.1016/j.msea.2006.12.028
M3 - Article
AN - SCOPUS:33947631472
VL - 457
SP - 226
EP - 230
JO - Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing
JF - Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing
SN - 0921-5093
IS - 1-2
ER -