Bulk-metallic glasses joining in a supercooled-liquid region

Kuo, Pei-Hung; Wang, Shing-Hoa; Liaw, Peter K.; Fan, G. J.; Tsang, Hsiao-Tsung; Qiao, Dongchun; Jiang, Feng

doi:10.1016/j.matchemphys.2009.11.044

Cited by 28 publications

(16 citation statements)

References 21 publications

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“…To use BMGs with larger glass forming ability 47 48 or BMG composites 45 46 49 50 51 which can be easily formed into a larger structure are potential approaches to address the size issue. Furthermore, using a more effective welding process is another approach to synthesize larger BMG structures 52 53 54 55 .…”

Section: Discussionmentioning

confidence: 99%

Achieving high energy absorption capacity in cellular bulk metallic glasses

Chen

Chan

et al. 2015

Sci Rep

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Cellular bulk metallic glasses (BMGs) have exhibited excellent energy-absorption performance by inheriting superior strength from the parent BMGs. However, how to achieve high energy absorption capacity in cellular BMGs is vital but mysterious. In this work, using step-by-step observations of the deformation evolution of a series of cellular BMGs, the underlying mechanisms for the remarkable energy absorption capacity have been investigated by studying two influencing key factors: the peak stress and the decay of the peak stress during the plastic-flow plateau stages. An analytical model of the peak stress has been proposed, and the predicted results agree well with the experimental data. The decay of the peak stress has been attributed to the geometry change of the macroscopic cells, the formation of shear bands in the middle of the struts, and the “work-softening” nature of BMGs. The influencing factors such as the effect of the strut thickness and the number of unit cells have also been investigated and discussed. Strategies for achieving higher energy absorption capacity in cellular BMGs have been proposed.

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Section: Discussionmentioning

confidence: 99%

Achieving high energy absorption capacity in cellular bulk metallic glasses

Chen

Chan

et al. 2015

Sci Rep

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“…Other commonly used methods include friction welding, explosion welding, and diffusion welding. Possible applications concerning the use of various welding techniques when joining selected BMGs are presented in works [2,3,12].…”

Section: Welding Of Amorphous Materialsmentioning

confidence: 99%

Welding and Characterization of Bulk Metallic Glasses Welds

2019

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The main aim of this work is to present the structure and topography of the Fe37.44Co34.56B19.2Si4.8Nb4 laser weld. A laser welding has been applied to increase the capability of using these materials in the industry. The amorphous and amorphous-crystalline phase were confirmed by X-ray analysis, atomic force microscopy, and high resolution transmission electron microscopy tests. The detailed topographic analysis revealed that the heat affected zone show a roughness characteristic of the crystalline phase and a smooth surface in the fusion zone.

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“…Diffusion bonding offers a better solution for comprehensive utilization of dissimilar materials [10]. With the merits of mass constant and no welding contamination, diffusion bonding is widely used and has been introduced in joining BMGs and crystalline metals gradually [11,12]. Cao et al diffusion bonded Zr 55 Cu 30 Ni 5 Al 10 BMG to Al alloy by using Ar ion irradiation to break the oxide film [13].…”

Section: Introductionmentioning

confidence: 99%