A study on the corrosion behavior of the in-situ Ti-based bulk metallic glass matrix composites in acid solutions

Yang, Yahui; Zhang, Z.P.; Jin, Z.S.; Sun, Wei; Xia, Chaoqun; Ma, Mingzhen; Zhang, X.Y.; Li, G.; Liu, R.P.

doi:10.1016/j.jallcom.2018.12.263

Cited by 26 publications

(6 citation statements)

References 43 publications

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“…It provides a galvanic coupling effect for the rapid local dissolution of the Zr-rich and Ti-rich nanometer active regions on the surface of the sample. These active metals also react with the solution, further inducing the formation of local galvanic cells involving Cu [35]. A similar galvanic coupling effect has also been mentioned in another study [18].…”

Section: Resultsmentioning

confidence: 64%

In Situ Formation of Ti47Cu38Zr7.5Fe2.5Sn2Si1Nb2 Amorphous Coating by Laser Surface Remelting

Meng

Wang

et al. 2019

Materials

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In previous studies, Ti-based bulk metallic glasses (BMGs) free from Ni and Be were developed as promising biomaterials. Corresponding amorphous coatings might have low elastic modulus, remarkable wear resistance, good corrosion resistance, and biocompatibility. However, the amorphous coatings obtained by the common methods (high velocity oxygen fuel, laser cladding, etc.) have cracks, micro-pores, and unfused particles. In this work, a Ti-based Ti47Cu38Zr7.5Fe2.5Sn2Si1Nb2 amorphous coating with a maximum thickness of about 100 μm was obtained by laser surface remelting (LSR). The in-situ formation makes the coating dense and strongly bonded. It exhibited better corrosion resistance than the matrix and its corrosion mechanism was discussed. The effects of LSR on the microstructural evolution of Ti-based prefabricated alloy sheets were investigated. The nano-hardness in the heat affected zone (HAZ) was markedly increased by 51%, meanwhile the elastic modulus of the amorphous coating was decreased by 18%. This demonstrated that LSR could be an effective method to manufacture the high-quality amorphous coating. The in-situ amorphous coating free from Ni and Be had a low modulus, which might be a potential corrosion-resistant biomaterial.

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Section: Resultsmentioning

confidence: 64%

In Situ Formation of Ti47Cu38Zr7.5Fe2.5Sn2Si1Nb2 Amorphous Coating by Laser Surface Remelting

Meng

Wang

et al. 2019

Materials

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“…The increased concentration of the HCl increased the presence of Cl À , which replace oxygen by forming complex metallic anions inside the solution and causing the dissolution of the thin passive film (Yang et al, 2019). The thin passive film breakdown enables the aggressive penetration of the chloride ions through the alloy/oxide and SPFA reinforcement interface, causing the dissolution of SPFA and thereby changing the colour of the acid from colourless to black, as shown in Figure 4 (Emran and AL-Refai, 2017).…”

Section: Hardness Resultsmentioning

confidence: 99%

“…The increased concentration of the HCl increased the presence of Cl − , which replace oxygen by forming complex metallic anions inside the solution and causing the dissolution of the thin passive film (Yang et al. , 2019).…”

Section: Resultsmentioning

confidence: 99%

Hardness and corrosion behaviour of stir cast LM26 Al/sugar palm fibre ash composites

Aliyu,

Sapuan,

Zainudin

et al. 2023

MMMS

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PurposeThe conflicting results on the corrosion characteristics of aluminium matrix composites reinforced with agrarian waste have stimulated an investigation on the hardness and corrosion rate of sugar palm fibre ash (SPFA) reinforced LM26 Al/alloy composite by varying the SPFA from 0 to 10 wt% in an interval of 2 wt%. This paper aims to discuss the aforementioned issue.Design/methodology/approachThe composites were produced via stir-casting and the hardness was determined using a Vickers hardness testing machine, corrosion rate was examined through the weight loss method by immersion in 0.5, 1.0 and 1.5 M hydrochloric acid (HCl) at temperatures of 303, 318, and 333 K for the maximum duration of 120 h. The morphological study was conducted using a scanning electron microscope (SEM) on the samples before and after immersion in HCl.FindingsThe incorporation of SPFA improved the hardness of the alloy from 58.22 to 93.62 VH after 10 wt% addition. The corrosion rate increases with increased content of SPFA, the concentration of HCl and temperature. The least corrosion rate of 0.0272 mpy was observed for the LM26 Al alloy in 0.5 M after 24 h while the highest corrosion rate of 0.8511 mpy was recorded for LM26 Al/10 wt% SPFA in 1.5 M HCl acid after 120 h. The SEM image of corroded samples revealed an increased number of pits with increased SPFA content.Research limitations/implicationsThe work is limited to SPFA up to 10 wt% as reinforcement in LM26 Al alloy, the use of HCl as corrosion medium, temperatures in the range of 303–333 K, and a weight loss method were used to evaluate the corrosion rate.Originality/valueThe corrosion rate was determined for LM26 Al/SPFA composites with various amounts of SPFA in 0.5, 1.0 and 1.5 M HCl at 303, 318 and 333 K and compared with the matrix alloy.

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“…During the friction process, the ions in the electrolytes can be absorbed in the friction interface due to micro-galvanic cells which can attract the ions in the electrolytes. 44 From the above results, among the various ions in Hank's, Ca 2+ and phosphate ions play a crucial role in frictionand wear-reduction. It is assumed that the deposition of Ca 2+ and phosphate ions on the metal surface improves the resilience of the tribolm.…”

Section: Surface Analysesmentioning

confidence: 89%

Role of tribochemistry reactions of B₄C on tribofilm growth at a PEEK–steel interface in simulated body fluids

Liu

Zhao

et al. 2021

RSC Adv.

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A study on the corrosion behavior of the in-situ Ti-based bulk metallic glass matrix composites in acid solutions

Cited by 26 publications

References 43 publications

In Situ Formation of Ti47Cu38Zr7.5Fe2.5Sn2Si1Nb2 Amorphous Coating by Laser Surface Remelting

In Situ Formation of Ti47Cu38Zr7.5Fe2.5Sn2Si1Nb2 Amorphous Coating by Laser Surface Remelting

Hardness and corrosion behaviour of stir cast LM26 Al/sugar palm fibre ash composites

Role of tribochemistry reactions of B₄C on tribofilm growth at a PEEK–steel interface in simulated body fluids

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A study on the corrosion behavior of the in-situ Ti-based bulk metallic glass matrix composites in acid solutions

Cited by 26 publications

References 43 publications

In Situ Formation of Ti47Cu38Zr7.5Fe2.5Sn2Si1Nb2 Amorphous Coating by Laser Surface Remelting

In Situ Formation of Ti47Cu38Zr7.5Fe2.5Sn2Si1Nb2 Amorphous Coating by Laser Surface Remelting

Hardness and corrosion behaviour of stir cast LM26 Al/sugar palm fibre ash composites

Role of tribochemistry reactions of B4C on tribofilm growth at a PEEK–steel interface in simulated body fluids

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Role of tribochemistry reactions of B₄C on tribofilm growth at a PEEK–steel interface in simulated body fluids