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Title:
Surface features of Zr-based and Ti-based metallic glasses by ion irradiation
Author: Hu Z(胡铮) ; Zhao ZQ ; Wu YD ; Lu T(卢通) ; Xing JS(邢建硕) ; Wei BC(魏炳忱)
Issued Date: 2013-03
Conference Name: 17th International Conference on Surface Modification of Materials by Ion Beams (SMMIB)
Conference Date: SEP 13-17, 2011
Conference Place: Harbin, PEOPLES R CHINA
Abstract: Due 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.
Keyword: Metallic 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
Indexed Type: CPCI-S ; EI
Subject: Materials Science ; Multidisciplinary; Physics ; Applied
Corresponding Author: Zhao, ZQ (reprint author), Peking Univ, Sch Phys, State Key Lab Nucl Phys & Technol, Inst Heavy Ion Phys, Beijing 100871, Peoples R China.
Related URLs: 查看原文
Source: VACUUM
Publisher: PERGAMON-ELSEVIER SCIENCE LTD
Publish Place: THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
Language: 英语
Department: NML
Content Type: 会议论文
URI: http://dspace.imech.ac.cn/handle/311007/46833
Appears in Collections:国家微重力实验室_会议论文

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Recommended Citation:
Hu Z,Zhao ZQ,Wu YD,et al. Surface features of Zr-based and Ti-based metallic glasses by ion irradiation[C]. 见:17th International Conference on Surface Modification of Materials by Ion Beams (SMMIB). Harbin, PEOPLES R CHINA. SEP 13-17, 2011.http://dx.doi.org/10.1016/j.vacuum.2012.03.006
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