TY - JOUR
T1 - Effect of B addition to hypereutectic Ti-based alloys
AU - Louzguina-Luzgina, Larissa V.
AU - Louzguine-Luzgin, Dmitri V.
AU - Inoue, Akihisa
N1 - Funding Information:
This work was supported by Grant-in-Aid “Development and investigation of ultra-high strength inexpensive Ti-based metastable alloys with good tensile ductility” N: 19560694 from Ministry of Education, Culture, Sports, Science and Technology, Japan.
PY - 2009/4/17
Y1 - 2009/4/17
N2 - The structure and mechanical properties of Ti-Fe-B and Ti-Fe-Co-B alloys produced in the shape of the arc-melted ingots of about 25 mm diameter and 10 mm height are studied. The hypereutectic alloys showed excellent compressive mechanical properties. The structures of the high-strength and ductile hypereutectic alloys studied by X-ray diffractometry and scanning electron microscopy were found to consist of the primary cubic cP2 intermetallic compound (TiFe-phase or a solid solution on its base) and a dispersed eutectic consisting of this cP2 intermetallic compound + BCC cI2 β-Ti supersaturated solid solution phase. The addition of B increased mechanical strength. Si causes embrittlement owing to the formation of alternative intermetallic compounds. The structure and deformation behaviour were studied.
AB - The structure and mechanical properties of Ti-Fe-B and Ti-Fe-Co-B alloys produced in the shape of the arc-melted ingots of about 25 mm diameter and 10 mm height are studied. The hypereutectic alloys showed excellent compressive mechanical properties. The structures of the high-strength and ductile hypereutectic alloys studied by X-ray diffractometry and scanning electron microscopy were found to consist of the primary cubic cP2 intermetallic compound (TiFe-phase or a solid solution on its base) and a dispersed eutectic consisting of this cP2 intermetallic compound + BCC cI2 β-Ti supersaturated solid solution phase. The addition of B increased mechanical strength. Si causes embrittlement owing to the formation of alternative intermetallic compounds. The structure and deformation behaviour were studied.
KW - Ductility
KW - High strength
KW - Intermetallic compound
KW - Mechanical properties
KW - Ti-based alloys
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U2 - 10.1016/j.jallcom.2008.06.089
DO - 10.1016/j.jallcom.2008.06.089
M3 - Article
AN - SCOPUS:61749086373
SN - 0925-8388
VL - 474
SP - 131
EP - 133
JO - Journal of Alloys and Compounds
JF - Journal of Alloys and Compounds
IS - 1-2
ER -