Formation and Corrosion Behavior of Mechanically-Alloyed Cu–Zr–Ti Bulk Metallic Glasses

Lee, Pee‐Yew; Cheng, Yeh-Ming; Chen, Jyun-Yu; Hu, Cui-E

doi:10.3390/met7040148

Cited by 13 publications

(5 citation statements)

References 36 publications

(34 reference statements)

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“…(a) Cu-based alloys are not oxidized if they contain at least Ti. It is connected with good protective properties of the surface films containing both Ti and Zr oxides [31,32]. However, the binary Zr50Cu50 ( Figure 4) and ternary Cu60Zr30V10 (Figure 2b) alloys are severely oxidized.…”

Section: Alloymentioning

confidence: 94%

On Long-Term Stability of Metallic Glasses

Louzguine-Luzgin

Jiang

2019

Metals

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Thermal stability of different types of metallic glasses and partially crystalline alloys stored for at least 15 years at ambient conditions was tested in the present work by differential scanning calorimetry in comparison with that of the original alloys tested in the as-cast state in the earlier works. The structure of the naturally aged alloys was also studied by X-ray diffractometry. The structure of a couple of selected alloys was also tested by transmission electron microscopy. Most of the alloys retained their initial structure and showed only a moderate decrease in the crystallization temperature. Only those alloys which showed visible surface oxidation (Cu-Zr-system based) were partly transformed into a crystalline state forming micron-scale Cu particles in air at ambient conditions.

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Section: Alloymentioning

confidence: 94%

On Long-Term Stability of Metallic Glasses

Louzguine-Luzgin

Jiang

2019

Metals

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“…Since the discovery of bulk metallic glasses (BMGs), they have been receiving attention from researchers because of their excellent properties, such as high strength and a high corrosion resistance [ 1 , 2 , 3 , 4 , 5 ]. In particular, Cu-based BMGs have been the focus of research due to their high glass-forming capacity and thermal stability [ 6 , 7 , 8 , 9 , 10 , 11 ].…”

Section: Introductionmentioning

confidence: 99%

Compressive Behavior of (Cu0.47Zr0.45Al0.08)98Dy2 Bulk Metallic Glass at Different Strain Rates

Wang

Liu

et al. 2020

Materials

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The mechanical properties of (Cu0.47Zr0.45Al0.08)98Dy2 bulk metallic glass (BMG) were characterized under various strain rates by quasi-static and dynamic compressive tests. In the quasi-static compressive tests, the yield stress of (Cu0.47Zr0.45Al0.08)98Dy2 BMG increased from 1234 MPa to 1844 MPa when the strain rate was increased from 0.001 s−1 to 0.01 s−1, and the yield stress decreased to 1430 MPa at the strain rate of 0.1 s−1. In the dynamic compressive tests, when the strain rate increased from 1550 s−1 to 2990 s−1, the yield stress of (Cu0.47Zr0.45Al0.08)98Dy2 BMG first decreased from 1508 MPa to 1404 MPa, and then increased to 1593 MPa. The fracture behaviors of (Cu0.47Zr0.45Al0.08)98Dy2 BMG were studied by using scanning electron microscopy to examine the fracture surface. Fracture occurred in the pure shear mode with strain rates below 2100 s−1, whereas shear fracture and normal fracture occurred simultaneously under strain rates of 2650 s−1 and 2990 s−1.

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“…The Ti-Cu-Zr-Ni system was known to form amorphous alloys (or metallic glasses) [21]. Many materials scientists established various rules in order to improve the amorphous forming ability of the Ti-Cu-Zr-Ni system [22]. Zhai et al reported that the addition of Sn into the Ti-Cu-Zr-Ni system could promote the amorphous forming ability of the composite alloys [23].…”

Section: Introductionmentioning

confidence: 99%