A novel restraint spraying-Conform process for manufacturing hypereutectic Al–Si alloy with enhanced properties

Chen, Y G; Yang, Huibin; Zhang, B Q; Liu, Y L; Yin, Jinwei; Wang, Wei; Zhong, Yi

doi:10.1088/2053-1591/aa5866

Cited by 3 publications

(1 citation statement)

References 27 publications

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“…With the development of social economics, the need for more economical processing method of manufacturing metals with high mechanical performance is more and more urgent. The Spray-Conform (SC) technology could be an alternative route to process the alloys of high elements continuously and economically without macrosegregation in the matrix metal [11][12][13]. The schematic diagram of the SC technology is shown in figure 1 [14].…”

Section: Introductionmentioning

confidence: 99%

Direct continuous manufacturing Al–Zn–Mg–Cu alloy from a novel technology of spray-conform

Chen¹,

Yin

Zhong

et al. 2020

Eng. Res. Express

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A novel technology of Spray-Conform (SC) directly combines spraying deposition with continuous extrusion into one process. The Al-Zn-Mg-Cu alloys were prepared by SC continuously. The microstructures of the fabricated Al-Zn-Mg-Cu alloys were studied through OM, SEM and STEM, the mechanical properties were summarized by tensile tests, and the electrical conductivity was measured to reflect corrosion resistance. The results revealed that the materials prepared by SC showed a fine and uniform microstructure. In particular, the grain size distributes in 1-2 μm before heat treatment. And the samples exhibited a better combination of mechanical properties and stress corrosion after RRA.

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Section: Introductionmentioning

confidence: 99%

Direct continuous manufacturing Al–Zn–Mg–Cu alloy from a novel technology of spray-conform

Chen¹,

Yin

Zhong

et al. 2020

Eng. Res. Express

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Microstructure and properties of a wear resistant Al-25Si-4Cu-1Mg coating prepared by supersonic plasma spraying

Dong

Liu²,

Yang

et al. 2020

Int J Miner Metall Mater

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Study on flow fields of regional control constrained spray deposition under different atomization gas pressures

Chen

Yin

2019

AIP Advances

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A regional control constrained spray deposition model was established to study the flow fields and deposition of atomized droplets in a semienclosed space. The FLUENT software was used to simulate the changing rules of the pressure field, velocity field, and temperature field under different atomization gas pressures (AGPs), aiming to optimize the equipment and parameters of spray Conform. The results show that the flow fields are prone to be disturbed by the controller of the two rotating disks when the AGP is low, which makes it difficult to control the droplet deposition. Besides, excessive AGP will bring a robust reverse airflow, which is not conducive to control droplet deposition either. However, the outlet pressure of the diversion tube is about 2.5 × 104 Pa when the AGP is between 2.5 and 3.0 × 105 Pa. In this condition, the melt will exit the nozzle without blockage. Moreover, the pressure near the basement is about 5 × 104 Pa at this point, making the droplet deposition controllable.

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A novel restraint spraying-Conform process for manufacturing hypereutectic Al–Si alloy with enhanced properties

Cited by 3 publications

References 27 publications

Direct continuous manufacturing Al–Zn–Mg–Cu alloy from a novel technology of spray-conform

Direct continuous manufacturing Al–Zn–Mg–Cu alloy from a novel technology of spray-conform

Microstructure and properties of a wear resistant Al-25Si-4Cu-1Mg coating prepared by supersonic plasma spraying

Study on flow fields of regional control constrained spray deposition under different atomization gas pressures

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