Mechanical response of friction stir butt weld Al-4.5%Cu/TiB2/2.5p in situ composite: Statistical modelling and optimization

Mozammil, Shaik; Karloopia, Jimmy; Verma, Raviraj; Jha, Pradeep Kumar

doi:10.1016/j.jallcom.2020.154184

Cited by 31 publications

(7 citation statements)

References 29 publications

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“…In MMCs, the fracture is mainly observed due to cracking of reinforcement particles and interfacial decohesion of the matrixreinforcement phase. 21 The intergranular and cleavage fracture of grains is noticed, as shown in Figure 7(a-d). Fractographs presented in Figure 7(a-b) represents Al6063/SiC/5p MMC, while fractographs presented in Figure 7(c-d) represent Al6063/SiC/10p MMC.…”

Section: Mechanical Propertiesmentioning

confidence: 86%

“…For determining the experimental density of the MMC samples, the Archimedes principle is adopted. 21 The following relationship (equation 1) is used to determine the experimental density of the test samples:…”

Section: Methodsmentioning

confidence: 99%

“…It is evident from the Archimedes principle that the volume of the sample is equal to the water displaced when the sample is immersed completely and free of any external force inside the water. 21 The theoretical density of the MMC is calculated by the rule of mixtures. According to this rule, the density of the MMC is estimated by the following equation (equation 2):…”

Section: Methodsmentioning

confidence: 99%

“…19,20 In in-situ composites, reinforcing phases are synthesized directly within the matrix. 21 However, in ex-situ composites, separately synthesized reinforcements are mixed with the matrix during the fabrication process. Liquid phase processes for the fabrication of MMCs are eye-catching because they are reasonably cost-effective, simple, and have the potential to be accessed at the industrial level to produce end products.…”

Section: Introductionmentioning

confidence: 99%

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Fabrication and characterization of Al6063/SiC composites using electromagnetic stir casting process

Shamim¹,

Dvivedi

Kumar

2021

Proceedings of the Institution of Mechanical Engineers, Part E:

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In this work, metal matrix composites were fabricated using the electromagnetic stir casting process by adding 5 and 10 wt% silicon carbide in Al6063 alloy. Hardness, ultimate tensile strength, and yield strength of the developed Al6063/SiC/5p metal matrix composites have been improved by 17%, 18%, and 37%, respectively, in comparison with Al6063 alloy. Further, an improvement of 25%, 37%, and 71% in hardness, ultimate tensile strength, and yield strength, respectively, have been noted for Al6063/SiC/10p metal matrix composite in comparison with the Al6063 alloy. Results revealed that the hardness and strength of metal matrix composites were increased with silicon carbide addition in Al6063 alloy. The presence of different elements in metal matrix composites was identified by energy-dispersive X-ray spectroscopy and X-ray diffraction techniques. Energy-dispersive X-ray spectroscopy was used for elemental mapping observation of the metal matrix composites. Uniform distribution of reinforcement particles in the matrix with improved mechanical properties of metal matrix composites proved the adequacy of the electromagnetic stir casting process. The presence of facets and dimples in fractographs indicated the mixed mode of fracture. The average percentage porosity presented in Al6063/silicon carbide/5p and Al6063/SiC/10p metal matrix composites was found to be 4.68% and 5.22%, respectively.

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Section: Mechanical Propertiesmentioning

confidence: 86%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Fabrication and characterization of Al6063/SiC composites using electromagnetic stir casting process

Shamim¹,

Dvivedi

Kumar

2021

Proceedings of the Institution of Mechanical Engineers, Part E:

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“…Furthermore, the focus is on Al-TiB2 metal matrix composites because they are extensively used in numerous industries, including structural, automobile, aerospace, and naval vessels (Suresh et al, 2012;Vajagah et al, 2014;Chen et al, 2017;Pahdpilli et al, 2018). Although Al-TiB2 composites have been studied in diverse perspectives such as wear (Poria et al, 2018), vibration (Wang et al, 2019;Zhao et al, 2020), andmachining (Magibalan et al, 2019), as noticed in previous literature, there is a complete absence of knowledge on the objective perspective of ranking and choosing the best Al-TiB2 composites from the various Al.wt.% composites using the criteria of ultimate tensile strength, microhardness and ductility in the friction stir casting technique of production Karloopia et al, 2018;Mozammil et al, 2020;Sethi et al, 2020;Karpasand et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

Multicriteria Selection of Friction Stir Welded Al-Tib2 Metal Matrix Composites using WASPAS to Improve Composite Development and Design

Onajite

Oke

2020

IJIEM

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The unique area of friction stir welding that involves Al-TiB2 composite development stirs controversy and fails to offer a clear understanding of how to choose the best composite among alternatives without subjectivity. At present, the experienced fabricator uses intuition in judgement, leading to wrong or inconsistent decisions. In this paper, the WASPAS multicriteria model is deployed to choose the best Al-TiB2 composite among options using tensile strength, ductility and microhardness as attributes. The procedure generally entails normalization, preference score and ranking determination and literature data was used. The emerging conclusion from this study is that irrespective of the weight determination method and the multicriteria model adopted to evaluate the alternative fabricated Al-TiB2 composites, the Al-10%TiB2 and Al6065 based alloy always reveal as the best and worst composites, respectively, even under varied normalisation methods. The research confirmed that multicriteria analysis is a potential objective method to choose among fabricated alternatives. The work showed that there is scope to evade the consequences of subjectivity in composite decision making by attaching adequate weights to the deciding factors thereby avoiding misguidance and incorrect decision making. Furthermore, multicriteria models offer novel approaches to understand the relative preference of fabricating composites to one another in the metal matrix composite development area.

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Effect of Heat Treatment on Mechanical Properties of an Aluminum Alloy and Aluminum Alloy Composite: A Comparative Study

Mozammil

Karloopia

Jha

et al. 2021

The Minerals, Metals &Amp; Materials Series

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Mechanical response of friction stir butt weld Al-4.5%Cu/TiB2/2.5p in situ composite: Statistical modelling and optimization

Cited by 31 publications

References 29 publications

Fabrication and characterization of Al6063/SiC composites using electromagnetic stir casting process

Fabrication and characterization of Al6063/SiC composites using electromagnetic stir casting process

Multicriteria Selection of Friction Stir Welded Al-Tib2 Metal Matrix Composites using WASPAS to Improve Composite Development and Design

Effect of Heat Treatment on Mechanical Properties of an Aluminum Alloy and Aluminum Alloy Composite: A Comparative Study

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