1. Institute for Frontier MaterialsDeakin UniversityGeelongVictoria, 3216Australia
2. Institute of Physics of Advanced MaterialsUfa State Aviation Technical UniversityUfa, 450008Russia
3. Laboratory for Mechanics of Bulk Nanostructured MaterialsSaint Petersburg State UniversitySaint Petersburg198504Russia
4. Department of Materials Science and EngineeringTechnionHaifa, 3200003Israel