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Surface features of Zr-based and Ti-based metallic glasses by ion irradiation
Hu Z(胡铮); Zhao ZQ; Wu YD; Lu T(卢通); Xing JS(邢建硕); Wei BC(魏炳忱); Zhao, ZQ (reprint author), Peking Univ, Sch Phys, State Key Lab Nucl Phys & Technol, Inst Heavy Ion Phys, Beijing 100871, Peoples R China.
Source PublicationVACUUM
2013-03
Pages142-146
Conference Name17th International Conference on Surface Modification of Materials by Ion Beams (SMMIB)
Conference DateSEP 13-17, 2011
Conference PlaceHarbin, PEOPLES R CHINA
AbstractDue to a lack of crystalline structures and grain boundaries, metallic glasses exhibit extremely high strength and superior resistance to corrosion. They are also supposed to be resistant against displacive irradiation due to their inherent disordered structure, thereby are potential candidates for applications in irradiation environments. In this work, the irradiation effects of Zr- and Ti- based bulk metallic glasses (BMGs) under heavy ions irradiation were investigated. The results showed that the Zr-based BMG is more resistant to the Cl ion irradiation with no structural transition and distinct damage subjected to high irradiation fluence. In contrast, the Ti-based BMG exhibits unique damage morphology with respect to the Zr-based BMG and other reported metallic glasses material. Two kinds of damage pits in micrometer scale form on the irradiated surface, and distinct viscous flow takes place. The formation mechanism of the unique irradiation damage feature is discussed.
KeywordMetallic Glasses Ion irradiatIon Surface Features Irradiation Damage Amorphous Solids Plastic-flow Bombardment Impacts Alloys Damage Model Gold Grain Boundaries Ion Bombardment Irradiation Radiation Surfaces Zirconium Bulk Metallic Glass Crystalline Structure Damage Morphology Disordered Structures Fluences Formation Mechanism High Strength Ions Irradiation Irradiated Surface Irradiation Damage Irradiation Effect Micrometer Scale Structural Transitions Superior Resistance
DepartmentNML
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Indexed ByCPCI-S ; EI
Language英语
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/46833
Collection国家微重力实验室
Corresponding AuthorZhao, ZQ (reprint author), Peking Univ, Sch Phys, State Key Lab Nucl Phys & Technol, Inst Heavy Ion Phys, Beijing 100871, Peoples R China.
Recommended Citation
GB/T 7714
Hu Z,Zhao ZQ,Wu YD,et al. Surface features of Zr-based and Ti-based metallic glasses by ion irradiation[C]VACUUM,2013:142-146.
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