Development of High Strength Ni–Cu–Zr–Ti–Si–Sn In-Situ Bulk Metallic Glass Composites Reinforced by Hard B2 Phase

2018 ◽  
Vol 24 (2) ◽  
pp. 241-247 ◽  
Author(s):  
Hyo Jin Park ◽  
Sung Hwan Hong ◽  
Hae Jin Park ◽  
Young Seok Kim ◽  
Jeong Tae Kim ◽  
...  
Keyword(s):  
Metallic Glass ◽  
Bulk Metallic Glass ◽  
High Strength ◽  
Glass Composites ◽  
Bulk Metallic Glass Composites ◽  
B2 Phase

IN-SITU Cu-BASED BULK METALLIC GLASS COMPOSITES

2006 ◽  
Vol 20 (25n27) ◽  
pp. 3963-3968 ◽  
Author(s):  
H. WANG ◽  
H. M. FU ◽  
H. F. ZHANG ◽  
Z. Q. HU
Keyword(s):  
Metallic Glass ◽  
Bulk Metallic Glass ◽  
Metallic Glasses ◽  
Low Cost ◽  
High Strength ◽  
Two Phase ◽  
Glass Composites ◽  
Bulk Metallic Glass Composites ◽  
Nanocrystalline Composites

Cu -based bulk metallic glasses are of relative low cost and high strength. They have more potential to be used as engineering materials. However, the lack of ductility has largely limited their applications. In the last few years, attempts have been made to form Cu -based BMG composites with two-phase microstructure to improve the ductility of BMGs, including extrinsic composites, in-situ composites and nanocrystalline composites. In this paper, two in-situ BMG composites have been successfully prepared with TiC and Ti 2 B particles respectively in-situ formed in the Cu -based BMG matrix. After the introduction of the TiC and Ti 2 B particles, besides of the lineal increase of hardness, the materials exhibit significant plasticity.

In situ TiB-reinforced Cu-based bulk metallic glass composites

2006 ◽  
Vol 54 (11) ◽  
pp. 1961-1966 ◽  
Author(s):  
H.M. Fu ◽  
H. Wang ◽  
H.F. Zhang ◽  
Z.Q. Hu
Keyword(s):  
Metallic Glass ◽  
Bulk Metallic Glass ◽  
Glass Composites ◽  
Bulk Metallic Glass Composites

Effect of B2 Phase Transformation on the Mechanical Behavior of CuZr-Based Bulk Metallic Glass Composites

2017 ◽  
Vol 898 ◽  
pp. 672-678
Author(s):  
Ran Wei ◽  
Juan Tao ◽  
Shi Lei Liu ◽  
Guo Wen Sun ◽  
Shuai Guo ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Phase Transformation ◽  
Martensitic Transformation ◽  
Metallic Glass ◽  
Bulk Metallic Glass ◽  
Lower Yield ◽  
Glass Composites ◽  
Bulk Metallic Glass Composites ◽  
Lower Yield Strength ◽  
B2 Phase

The mechanical behavior of CuZr-based bulk metallic glass composites with different B2-CuZr phase transformation ability was investigated. The B2 phase transformation is conducive to enhance the mechanical properties of CuZr-based bulk metallic glass composites. The mechanical properties of the austenitic B2 phase specimens were also studied to understand the mechanism of phase transformation effect. It was found that the B2 phase with martensitic transformation exhibits lower yield strength and stronger work-hardening capability than the B2 phase without martensitic transformation. Thus, the phase transformation effect of B2-CuZr phase, accompanying with its lower yield strength and stronger work-hardening capability, is the main reason for the CuZr-based bulk metallic glass composites possess outstanding mechanical properties.

scholarly journals Improvement the Plasticity via Dual-Amorphous and Nanocrystals Synergistically in a Zr-Cu-Al-Nb Bulk Metallic Glass Composite

Metals ◽  
2020 ◽  
Vol 10 (9) ◽  
pp. 1158
Author(s):  
Tuo Wang ◽  
Xiaohui Yang ◽  
Qiang Li ◽  
Chuntao Chang
Keyword(s):  
Metallic Glass ◽  
Bulk Metallic Glass ◽  
Underlying Mechanism ◽  
Glass Composite ◽  
Glass Composites ◽  
Bulk Metallic Glass Composites ◽  
First Time ◽  
Bulk Metallic Glass Composite

In this work, a small amount of Nb has been added in a Zr52Cu42.5Al5.5 bulk metallic glass, and a Zr52Cu42Al5.5Nb0.5 bulk metallic glass composite with dual-amorphous and nanocrystal structures has been developed for the first time. This in situ formed bulk metallic glass composite has a larger room compressive plasticity of above 13% than that of the Zr52Cu42.5Al5.5 bulk metallic glass. The excellent plasticity of the bulk metallic glass composite is attributed to the phase-separated matrix with micro-nanocrystal and the nanocrystallization during the deforming process. This work may give a new sight into design bulk metallic glass composites and the underlying mechanism for deformation.

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