Part I. Introduction.- 1. Plaston induced plasticity in bulk nanostructured metals.- Part II. Simulation of plaston and plaston induced phenomena.- 2. Nucleation of plaston at surface and interface of metallic materials.- 3. Atomistic study of plaston in nanostructured metals.- 4. First principles calculations of collective motion of atoms in metals.- 5. Machine learning interatomic potentials with controlled accuracy.- 6. First principles calculations of dislocation cores in HCP metals.- Part III. Experimental analyses of plaston.- 7. STEM observation of plaston in alumina.- 8. Micro-pillar deformation experiments of brittle intermetallics in steel.- 9. Nano-indentation study of steels.- 10. Synchrotron x-ray study on plaston in metals.- 11. Improvement of fatigue lifetime by controlling plaston at crack tip.- Part IV. Design and development of high performance structural materials.- 12. Development of bulk nanostructured steels.- 13. Design and development of high Mn steels.- 14. Des