NANOSCALE DIMPLES AND PERIODIC CORRUGATIONS ON FRACTURE SURFACE OF Zr-BASED BULK METALLIC GLASS COMPOSITE

被引：1
作者：
Shi, Bo [1 ]
Luan, Shiyu [1 ]
Jin, Peipeng [1 ]
机构：
[1] Qinghai Univ, Qinghai Prov Key Lab New Light Alloys, Qinghai Prov Engn Res Ctr High Performance Light, Xining 810016, Qinghai, Peoples R China
来源：
SURFACE REVIEW AND LETTERS | 2019年 / 26卷 / 08期
基金：
中国国家自然科学基金;
关键词：
Bulk metallic glass; fracture surface; nanoscale dimple; nanoscale periodic corrugation; MATRIX COMPOSITES; RANGE ORDER; NANOCRYSTALS; RELAXATION; BEHAVIOR;
D O I：
10.1142/S0218625X19500379
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Nanoscale dimples and periodic corrugations are observed on the fracture surface of Zr-based bulk metallic glass composite (BMGC). The nanoscale periodic corrugations display a curved shape, which is different from that observed in previous works. In addition, the crystallization behavior of Zr64.13Cu15.75Ni10.12Al10 BMG was investigated. The second crystallization event of Zr-Cu-Ni-Al BMG can be controlled by annealing or tuning cooling rate. The in situ Zr-based BMGC was prepared via lowering cooling rate. The Zr-based BMGC displays completely brittleness.
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页数：5
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