Boron-induced toughness loss in Ti-6A1-2Nb-1Ta-0. 8Mo
Description:
Because boron has been added to the weld filler metal to refine the weld grain structure and is a common impurity in Al, the poor weld and HAZ properties of the Al-stabilized alloys could have been caused by this B. This thermal cycling study showed that the precipitated phase was Ti B and the the B raised the BETA-transus. The phase relation of B in Ti6211 permits a plausible explanation for the toughness loss of ..cap alpha.. + BETA annealed alloys caused by welding and weld thermal cycles. The alloys with B contents under this solubility limit of 0.0018% B were unaffected. (DLC)
Date:
January 1, 1984
Creator:
Inouye, H. & David, S.A.
Item Type:
Refine your search to only
Article
Partner:
UNT Libraries Government Documents Department