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Irradiation study of Ti-6Al-4V and Ti-6Al-4V-1B for FRIB beam dump: Preliminary results Aida Amroussia, PhD Student Chemical Engineering and Materials.

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Presentation on theme: "Irradiation study of Ti-6Al-4V and Ti-6Al-4V-1B for FRIB beam dump: Preliminary results Aida Amroussia, PhD Student Chemical Engineering and Materials."— Presentation transcript:

1 Irradiation study of Ti-6Al-4V and Ti-6Al-4V-1B for FRIB beam dump: Preliminary results Aida Amroussia, PhD Student Chemical Engineering and Materials Science Michigan State University Feb. 21, 2014 1

2 Outline Irradiation of samples with high energy heavy ions (NSCL- MSU)(Ca 40 @ 50 MeV/u) and low energy heavy ions at CIMAP- France(Ar 36 @ 36 MeV). Surface characterization using SEM-EBSD Comparing the same areas on the samples before and after irradiation. 2

3 Observations Deterioration of the quality of the EBSD scan after irradiation. 3 Sample 3 Ti64-1B Irradiated at T-350C and a fluence of 1.00E+15 Ions/cm and dpa of 0.038dpa IPF map before irradiation IPF map after irradiation

4 Close analysis of few grains: Before irradiation After irradiation

5 Samples irradiated at high fluence and low Temperature 5 Sample 4 Ti64 Irradiated at T=20C and a fluence of 1.00E+15 Ions/cm, estimated dpa of 0.038dpa - No-EBSD possible -EDS analysis to get the composition of this layer

6 Conclusion and future work No or little change in the grain orientations at the surface of the samples. Nano-indentation: Obtain the properties of the materials in depth FIB: characterize the microstructure in depth 6

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