Development of A356/Al2O3 + SiO2 surface hybrid nanocomposite by friction stir processing

Jalilvand, Mohammad Mahdi; Mazaheri, Yousef; Heidarpour, Akbar; Roknian, Masoud

doi:10.1016/j.surfcoat.2018.12.126

Cited by 54 publications

(17 citation statements)

References 28 publications

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“…In hybrid surface metal matrix composites, wear resistance can be enhanced through the combined effect of stiff ceramic and solid lubricant powder reinforcements. Different investigators explored aluminumbased hybrid surface composites with various arrangements of reinforcement powders [40][41][42][43][44][45][46]. Compared to dry mixing, the solvent-based particle mixing strategy displayed better properties attributed to even mixing and de-agglomeration of particle clusters [44].…”

Section: Introductionmentioning

confidence: 99%

Different reinforcement strategies of hybrid surface composite AA6061/(B₄C+MoS₂) produced by friction stir processing

Sharma

Patel

Badheka

et al. 2020

Materialwissenschaft Werkst

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Aluminum surface composites have gained huge importance in material processing due to their noble tribological characteristics. The reinforcement of solid lubricant particles with hard ceramics further enriches the tribological characteristics of surface composites. In the current study, friction stir processing was chosen to synthesize hybrid surface composites of aluminum containing B 4 C and MoS 2 particles with anticipated improved tribological behavior. B 4 C and MoS 2 powder particles in 87.5: 12.5 ratio were reinforced into the AA6061 by hole and groove method. Microstructural observations indicated that reinforcement particles are well distributed in the matrix. The hardness and wear resistance of hybrid surface composites improved as compared to the base material, due to well distributed abrasive B 4 C and solid lubricant MoS 2 particles in AA6061. The hybrid surface composites achieved~32 % increased average hardness as compared to the base material. Hole method revealed~13 % better wear resistance compared to the groove method for friction stir processed hybrid surface composite, attributing to an improved homogeneity of particle distribution shown by zigzag hole pattern. Moreover, friction stir processed AA6061 without reinforcement particles exhibited reduced hardness and wear resistance due to loss of strengthening precipitates during multi-pass friction stir processing.

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Section: Introductionmentioning

confidence: 99%

Different reinforcement strategies of hybrid surface composite AA6061/(B₄C+MoS₂) produced by friction stir processing

Sharma

Patel

Badheka

et al. 2020

Materialwissenschaft Werkst

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“…Contact area of the interface by shearing metal powders and by detaching the intermetallic layer surrounding the constituent element can be significantly enhanced with increase in the number of passes. Particle dispersion is influenced by tool geometry up to a great extent [34]. The base material, volume of processed material rate of heat generation and reinforcement mixing condition are the factors on which traverse force depends on.…”

Section: Review Of Literaturementioning

confidence: 99%

Surface Composite Fabrication by Friction Stir Processing: A Review

2021

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Newer materials with unique properties are needed to cater the ever-increasing industrial demands to meet new challenges concerning technological advancements. Quest for special materials and processes is prevalent as conventional materials fail to level up. Composite materials promisingly bridge this gap by providing controllable properties at reasonable costs. Their scope of application can further be drastically enhanced by subjecting them to special surface processing treatments. Friction stir processing (FSP) is one such promising process that can meet the stringent applicational demands. Composites are increasingly being used in industries for properties like high strength to weight ratio, increased hardness, stiffness, ductility, corrosion resistance, etc. FSP, a solid-state material modification technique, has proved its caliber in surface composite fabrication. Some attention-seeking advantages of FSP include peerless efficiency, less tool wear rate, and ability to modify material locally are some of many attention-seeking advantages. Despite being cost-effective FSP also manages to eliminate the drawbacks of the conventional manufacturing process. FSP reinforces a special material into the parent material surface to attain specific properties. Properties so developed depend on parameters like: tool geometry, traverse speed, rotation speed, number of passes etc. The present paper aims to review comprehensive information on fabrication of surface composites by FSP, process parameters, properties, industrial applications, and future scope. Key Words: Friction stir processing surface processing treatments surface composites material modification process parameters.

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“…It should be noted that the real weight percent of the reinforcement particles is lower than the calculated percentage. It is due to the presence of the porosities between the reinforcement particles [20,28].…”

Section: Sample Processingmentioning

confidence: 99%

Micro-hardness and wear behavior of AA2014/Al2O3 surface composite produced by friction stir processing

2020

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The present study aimed to improve the micro-hardness and wear properties of AA2014 aluminum alloy. Surface composite of AA2014 was produced using Al 2 O 3 as reinforcement by friction stir processing (FSP) technique. FSP was performed by using a constant traverse speed of 40 mm/min and two rotating speeds of 1000 and 1400 rpm. After FSP, the average grain size of AA2014 was reduced from 21.9 µm in base material to 9.2 µm in FSP with a rotating speed of 1000 rpm and 3.8 µm in FSP with rotating speed of 1400 rpm. Optical microscopy showed that the Al 2 O 3 reinforcement particles were distributed homogeneously in AA2014 after FSP. The micro-hardness test showed that the hardness property in AA2014/Al 2 O 3 surface composite was improved after FSP and was increased with an increase in rotating speed. The micro-hardness was improved by 30% after FSP. The wear test revealed that both the wear performance and coefficient of friction (COF) were improved after FSP. The COF was improved from 0.27461 in base material to 0.22570 in FSPed samples. Surface roughness test showed that the sample with more micro-hardness showed better surface roughness as compared to the other samples.

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Development of A356/Al2O3 + SiO2 surface hybrid nanocomposite by friction stir processing

Cited by 54 publications

References 28 publications

Different reinforcement strategies of hybrid surface composite AA6061/(B₄C+MoS₂) produced by friction stir processing

Different reinforcement strategies of hybrid surface composite AA6061/(B₄C+MoS₂) produced by friction stir processing

Surface Composite Fabrication by Friction Stir Processing: A Review

Micro-hardness and wear behavior of AA2014/Al2O3 surface composite produced by friction stir processing

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Development of A356/Al2O3 + SiO2 surface hybrid nanocomposite by friction stir processing

Cited by 54 publications

References 28 publications

Different reinforcement strategies of hybrid surface composite AA6061/(B4C+MoS2) produced by friction stir processing

Different reinforcement strategies of hybrid surface composite AA6061/(B4C+MoS2) produced by friction stir processing

Surface Composite Fabrication by Friction Stir Processing: A Review

Micro-hardness and wear behavior of AA2014/Al2O3 surface composite produced by friction stir processing

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Product

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Development of A356/Al2O3 + SiO2 surface hybrid nanocomposite by friction stir processing

Different reinforcement strategies of hybrid surface composite AA6061/(B₄C+MoS₂) produced by friction stir processing

Different reinforcement strategies of hybrid surface composite AA6061/(B₄C+MoS₂) produced by friction stir processing