A Review on Grain Refinement of Aluminum Alloys: Progresses, Challenges and Prospects

Guan, Renguo; Tie, Di

doi:10.1007/s40195-017-0565-8

Cited by 204 publications

(80 citation statements)

References 214 publications

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“…Some white and dark gray precipitates are observed on the α-aluminum matrix of aluminum-10 wt.% silicon, Figure 4b. The interface of eutectic phase and the α-aluminum phase reveals dendrite lamellar distribution [24]. There are no obvious precipitates observed at hypereutectic and αaluminum phases except a small number of white particles on the α-aluminum phase, Figure 4d.…”

Section: Resultsmentioning

confidence: 95%

Microstructures and corrosion resistance of as‐cast aluminum‐10 wt.% silicon and aluminum‐20 wt.% silicon alloys

Zhao

Yin

Liu

et al. 2019

Materialwissenschaft Werkst

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The microstructures and corrosion resistance of two as‐cast alloys, aluminum‐10 wt.% silicon hypoeutectic alloy and aluminum‐20 wt.% silicon (weight percent) hypereutectic alloy are investigated by conventional casting, the scanning electron microscope equipped with oxford X‐ray energy dispersive spectroscopy system and transmission electron microscope are applied for analysis. The results show that the microstructures change from the strip‐like into lump shape with the increase of silicon content from 10 % to 20 %. The electrochemical polarization curves prove that the aluminum‐20 wt.% hypereutectic silicon alloy had the better resistance with the corrosion potential of −1.414 V and corrosion current density of 5.41 ⋅ 10−5 ampere compared with the aluminum‐10 wt.% silicon hypoeutectic alloy.

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Section: Resultsmentioning

confidence: 95%

Microstructures and corrosion resistance of as‐cast aluminum‐10 wt.% silicon and aluminum‐20 wt.% silicon alloys

Zhao

Yin

Liu

et al. 2019

Materialwissenschaft Werkst

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“…Particulate-reinforced metal matrix composites exhibit favorable mechanical properties due to their combined advantages of both the metal matrix and the reinforcing particles [7,8]. Aluminum alloys have excellent electrical, thermal conductivity and high ductility [9]. Thus, aluminum boron carbide composite materials have gained a greater attention due to its exhibition of combined properties of engineering ceramic and metal, which appropriately meet the requirements of modern industry including light weight, high strength, high hardness and high wear resistance [10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Wear resistant aluminum alloy - B₄C composites fabricated by rheo-casting and rolling process

Tie

Ren

Guan

et al. 2020

Mater. Res. Express

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To reveal the formation and wear mechanisms of rheo-formed aluminum alloy -B 4 C composites, A356 alloy − 10 mass% B 4 C composite material was fabricated by semi-solid stirring rheo-casting and rolling process. The presence of Al 3 BC was confirmed by XRD analysis and hinted that chemical bonding formed at interfaces between aluminum matrix and B 4 C particles. Tensile test results demonstrated that addition of B 4 C facilitated improving the tensile strength by refining matrix and providing particle strengthening. Failure tests revealed that the failure type of the composite transferred from interfacial debonding to particle cracking with increasing wear load. The wear rate of the composite was approximately 48% lower than that of aluminum alloy under 60 N load. The friction coefficient of the composite under 60 N load also significantly decreased due to formation of B 2 O 3 and H 3 BO 3 as solid lubricants. OPEN ACCESS RECEIVED

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“…It is extensively documented that the grain refinement of aluminium and its alloys is an influential approach to simultaneously improve their strength and plasticity (the details can be found in Ref. [2][3][4]. Over 30 years of research in the various fields of severe plastic deformation (SPD) confirms the exceptional mechanical and physical properties of the ultrafinegrained (UFG)\nano-structured (NS) materials.…”

Section: Introductionmentioning

confidence: 99%

On the Production of Severely Deformed Workpieces in Large Scales: A Step Towards Industrialization

Bagherpour

Mortezaei

Ebrahimi

et al. 2019

JOM

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Improvement of the functional properties of aluminium and its alloys by grain refinement is an effective way to increase their applications. The capability of severe plastic deformation methods to produce ultrafine-grained materials has been well established. However, their industrial application is limited because of the required additional equipment and limitation of the product size. Due to the direct extrusion characteristic of the simple shear extrusion (SSE) method and consequently the minimal additional tools and expenses, SSE is a good candidate for commercialization. The aim of this research is to scale up the SSE products to facilitate their potential use in practical applications. To overcome the limitation on the length of the plunger and reduce the load of the SSE process, a design is proposed in the current research. Microstructural investigations and mechanical tests of commercial pure aluminium (AA1050) workpieces confirm the effectiveness of the proposed design on the grain refinement and its capability to reduce the processing load.

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A Review on Grain Refinement of Aluminum Alloys: Progresses, Challenges and Prospects

Cited by 204 publications

References 214 publications

Microstructures and corrosion resistance of as‐cast aluminum‐10 wt.% silicon and aluminum‐20 wt.% silicon alloys

Microstructures and corrosion resistance of as‐cast aluminum‐10 wt.% silicon and aluminum‐20 wt.% silicon alloys

Wear resistant aluminum alloy - B₄C composites fabricated by rheo-casting and rolling process

On the Production of Severely Deformed Workpieces in Large Scales: A Step Towards Industrialization

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A Review on Grain Refinement of Aluminum Alloys: Progresses, Challenges and Prospects

Cited by 204 publications

References 214 publications

Microstructures and corrosion resistance of as‐cast aluminum‐10 wt.% silicon and aluminum‐20 wt.% silicon alloys

Microstructures and corrosion resistance of as‐cast aluminum‐10 wt.% silicon and aluminum‐20 wt.% silicon alloys

Wear resistant aluminum alloy - B4C composites fabricated by rheo-casting and rolling process

On the Production of Severely Deformed Workpieces in Large Scales: A Step Towards Industrialization

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Product

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About

Wear resistant aluminum alloy - B₄C composites fabricated by rheo-casting and rolling process