Glass formation in the Ti–Cu system with and without Si additions

Gargarella, Piter; Pauly, S.; Oliveira, Marcelo Falção de; Kühn, U.; Eckert, J.

doi:10.1016/j.jallcom.2014.08.197

Cited by 11 publications

(2 citation statements)

References 50 publications

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“…The powders were screened to group Powder A (<32 μm) and Powder B (32–75 μm). According to the Ti-Cu binary phase diagram [ 51 ], intermetallic phases, Ti 2 Cu and TiCu, are possibly precipitated. Some Au-containing intermetallics might precipitate from gas-atomized Ti 60 Cu 39 Au 1 powders.…”

Section: Resultsmentioning

confidence: 99%

Evolution of Nanoporous Surface Layers on Gas-Atomized Ti60Cu39Au1 Powders during Dealloying

Dan

Yang

et al. 2018

Nanomaterials

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Nanoporous golf ball-shaped powders with a surface porous layer consisting of fcc Cu and Cu3Au phases have been fabricated by selectively dissolving gas-atomized Ti60Cu39Au1 powders in 0.13 M HF solution. The distribution profiles of the Ti2Cu and TiCu intermetallic phases and powder size play an important role of the propagation of the selective corrosion frontiers. The final nanoporous structure has a bimodal characteristic with a finer nanoporous structure at the ridges, and rougher structure at the shallow pits. The powders with a size of 18–75 m dealloy faster due to their high crystallinity and larger powder size, and these with a powder size of smaller than 18 m tend to deepen uniformly. The formation of the Cu3Au intermetallic phases and the finer nanoporous structure at the ridges proves that minor Au addition inhibits the fast diffusion of Cu adatoms and decreases surface diffusion by more than two orders. The evolution of the surface nanoporous structure with negative tree-like structures is considered to be controlled by a percolation dissolution mechanism.

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Section: Resultsmentioning

confidence: 99%

Evolution of Nanoporous Surface Layers on Gas-Atomized Ti60Cu39Au1 Powders during Dealloying

Dan

Yang

et al. 2018

Nanomaterials

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“…The liquid [11][12][13][14] and solid state [15,16] preparation procedures are considered, the sample dimensions achievable during cast processing inhibit the application of amorphous alloys as structural materials, while solid state amorphization (e.g. milling) becomes an alternative route of the synthesis of amorphous alloys.…”

Section: Introductionmentioning

confidence: 99%

Ti-Cu-Based Amorphous Powders Produced by Ball-Milling

Tomolya

2016

MSF

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The effect of Ni or Zr addition to Ti-Cu alloy was studied on the microstructure evolution during mechanical milling regarding to dependence of the amorphous transformation on the various composition elements. The microstructure of initial crystalline alloys and the remained phases after few hours of milling were investigated. The milling process lasted to the full amorphization of the powders. The results show that amorphous Ti48Cu42Ni10 and Ti48Cu42Zr10 powders are obtained after 13 h and 14 h of milling.

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Experimental investigation on phase equilibria of Cu–Ti–Hf system and performance of Cu(Ti, Hf)2 phase

Liu

Huang

et al. 2018

J Mater Sci

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Glass formation in the Ti–Cu system with and without Si additions

Cited by 11 publications

References 50 publications

Evolution of Nanoporous Surface Layers on Gas-Atomized Ti60Cu39Au1 Powders during Dealloying

Evolution of Nanoporous Surface Layers on Gas-Atomized Ti60Cu39Au1 Powders during Dealloying

Ti-Cu-Based Amorphous Powders Produced by Ball-Milling

Experimental investigation on phase equilibria of Cu–Ti–Hf system and performance of Cu(Ti, Hf)2 phase

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