Subtask 12A2 [electronic resource] : Fabrication and properties of laboratory-scale heat of V-5Cr-5Ti

Published:: Argonne, Ill. : Argonne National Laboratory, 1995.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description:: pages 17-22 : digital, PDF file
Additional Creators:: Argonne National Laboratory and United States. Department of Energy. Office of Scientific and Technical Information

Access Online

www.osti.gov

Availability

Finding items...

Restrictions on Access:

Free-to-read Unrestricted online access

Summary:

The immediate objective of this work is to fabricate a new laboratory-scale heat of V-5Cr-5Ti and identify optimal annealing procedure that produces the highest impact toughness in the alloy. By comparing the result with the optimal annealing procedure identified for the production- and laboratory-scale heats of V-4Cr-4Ti, the eventual objective of the study is to demonstrate that excellent and reliable mechanical properties of V-(4-5)Cr-(4-5)Ti alloy class can be produced through a common annealing procedure. Impact properties were determined on a new 15-kg laboratory heat of V-5Cr-5Ti, fabricated by the same procedures as those used to produce the 500-kg production-scale heat of V-4Cr-4Ti, to identify optimal annealing procedure of the alloy. Charpy-impact tests were conducted on one-third-size specimens because low-temperature (<0°C) impact properties have been known to be most sensitive to the structure and quality of V-(4-5)Cr-(4-5)Ti alloy class. After final annealing at ≈1000°C for 1 h in high-quality vacuum, the laboratory heat V-5Cr-5Ti exhibited impact properties as excellent as those of the production-scale heat V-4Cr-4Ti; i.e., DBTT < -200°C and absorbed energies of 10-16 J. This demonstrates that when annealed at common optimal condition of 1000°C for 1 h, the V-(4-5)Cr-(4-5)Ti alloy class exhibit excellent impact toughness and a sufficient tolerance to minor variations in alloying element composition. 5 refs., 5 figs., 1 tab.

Report Numbers:

E 1.99:anl/fpp/tm--287
E 1.99: iter/us--95/iv-mat-10
iter/us--95/iv-mat-10
anl/fpp/tm--287

Subject(s):

Other Subject(s):

Note:

Published through SciTech Connect.
03/01/1995.
"anl/fpp/tm--287"
" iter/us--95/iv-mat-10"
"DE96000984"
Smith, D.L.; Chung, H.M.; Nowicki, L.

View MARC record | catkey: 14744197