MODELING OF NI-CR-MO BASED ALLOYS: PART II - KINETICS

Journal Article · Fri Jul 07 00:00:00 EDT 2006 · Calphad

OSTI ID:936680

Turchi, P A; Kaufman, L; Liu, Z

The CALPHAD approach is applied to kinetic studies of phase transformations and aging of prototypes of Ni-Cr-Mo-based alloys selected for waste disposal canisters in the Yucca Mountain Project (YMP). Based on a previous study on alloy stability for several candidate alloys, the thermodynamic driving forces together with a newly developed mobility database have been used to analyze diffusion-controlled transformations in these Ni-based alloys. Results on precipitation of the Ni{sub 2}Cr-ordered phase in Ni-Cr and Ni-Cr-Mo alloys, and of the complex P- and {delta}-phases in a surrogate of Alloy 22 are presented, and the output from the modeling are compared with experimental data on aging.

• Research Organization: Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: W-7405-ENG-48
• OSTI ID: 936680
• Report Number(s): UCRL-JRNL-223013; CCCTD6; TRN: US0805630
• Journal Information: Calphad, Vol. 31; ISSN 0364-5916
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
AGING
ALLOYS
CONTAINERS
KINETICS
PHASE TRANSFORMATIONS
PRECIPITATION
SIMULATION
STABILITY
THERMODYNAMICS
TRANSFORMATIONS
WASTE DISPOSAL
YUCCA MOUNTAIN