Ductile TiAl alloy with a Widmanstätten lamellar structure formed by rapid heating
2008 ◽
Vol 23
(4)
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pp. 949-953
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Keyword(s):
Instead of conventional grain-refinement treatments for improving the ductility of fully lamellar TiAl alloys, multiorientational, lamellar, subcolony refinement with good ductility has been achieved simply by using an electric-current pulse treatment. The microstructural refinement mechanism is attributed to the transformation on heating of γ laths in the prior large-grain lamellar structure to Widmanstätten α in several orientations, which on subsequent cooling forms lamellar structure colonies in multiple orientations. This kind of refined multiple-colony lamellar structure was found to enhance the ductility of the TiAl alloy.
2007 ◽
Vol 539-543
◽
pp. 1451-1456
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Keyword(s):
2007 ◽
Vol 539-543
◽
pp. 1525-1530
Keyword(s):
Fabrication of Ti-43Al-5V-4Nb Intermetallic Compounds by Forging Using the Blended Elemental Powders
2011 ◽
Vol 308-310
◽
pp. 796-799
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Keyword(s):
2005 ◽
Vol 52
(1)
◽
pp. 45-50
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Keyword(s):
2006 ◽
Vol 97
(8)
◽
pp. 1143-1151
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2005 ◽
Vol 475-479
◽
pp. 581-584
◽
2002 ◽
Vol 329-331
◽
pp. 774-779
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Keyword(s):
Keyword(s):