Novel dealloying structures and ageing behaviors of Cu-Zr metallic glass ribbons

Zhang, Shuang1; Ye, Shulong1,2; Yu, Peng1

2017-02-15

10.1016/j.jnoncrysol.2016.12.016

JOURNAL OF NON-CRYSTALLINE SOLIDS   影响因子和分区

0022-3093

1873-4812

Melt-spun Cu64.5Zr35.5 metallic glass ribbons were subject to 250 degrees C annealing for 0.5 to 2 h without leading to crystallization. Both the as-spun ribbon and the annealed ribbon were then reserved at room temperature and aged for one month, during which all samples became crystallized and oxidized on the surface. The surface of the aged ribbons tuned into brassy yellow and was featured an unchanged amorphous area and a nano-crystalline area fully decorated with crystallization and oxidation products. The two areas responded differently to the following dealloying process carried out in 0.025 M HF. The amorphous area were turned into nanoporous structure, but the dealloyed nano-crystalline area showed more complex morphology, which was composed of micron -sized Cu20 crystals rooted in the nanoporous structure. (C) 2016 Elsevier B.V. All rights reserved.

Metallic glass Ageing Dealloying Crystallization

SCI ; EI

英语

第一 ; 通讯

Peacock Plan of Shenzhen Municipality[20130701226B]

Materials Science

Materials Science, Ceramics ; Materials Science, Multidisciplinary

WOS:000395841000008

ELSEVIER SCIENCE BV

20165103157079

Binary alloys ; Copper oxides ; Crystal structure ; Crystalline materials ; Crystallization ; Dealloying ; Glass ; Melt spinning ; Metallic glass

Metallurgy and Metallography:531 ; Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals:549.3 ; Chemical Operations:802.3 ; Inorganic Compounds:804.2 ; Glass:812.3 ; Crystalline Solids:933.1 ; Crystal Lattice:933.1.1

PHYSICS

Web of Science

1.South Univ Sci & Technol China, Dept Mat Sci & Engn, Shenzhen Key Lab Nanoimprint Technol, Shenzhen 518055, Peoples R China
2.Univ Macau, Inst Appl Phys & Mat Engn, Ave Univ, Taipa, Macau, Peoples R China

Zhang, Shuang,Ye, Shulong,Yu, Peng. Novel dealloying structures and ageing behaviors of Cu-Zr metallic glass ribbons[J]. JOURNAL OF NON-CRYSTALLINE SOLIDS,2017,458:61-64.

Zhang, Shuang,Ye, Shulong,&Yu, Peng.(2017).Novel dealloying structures and ageing behaviors of Cu-Zr metallic glass ribbons.JOURNAL OF NON-CRYSTALLINE SOLIDS,458,61-64.

Zhang, Shuang,et al."Novel dealloying structures and ageing behaviors of Cu-Zr metallic glass ribbons".JOURNAL OF NON-CRYSTALLINE SOLIDS 458(2017):61-64.