Investigation on microstructure, mechanical properties and tribological behavior of AlZnMgCu1.5-T6/zirconia surface nanocomposites developed by FSP

Yaghoubi, Ali; Mirsalehi, Seyyed Ehsan; Jamali, Amir A.

doi:10.1016/j.jmrt.2022.07.093

Cited by 14 publications

(3 citation statements)

References 49 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Grain re nement also contributes to the closure of voids, as dimple size is in uenced by the initiation site and the number of voids nucleating at the grain boundaries [18]. Microcracks are visible on the fracture surfaces, with one of the images showing a cleavage surface and ploughing of the reinforcement [19]. Transverse ruptures and the formation of deep hole-like cavities characterize the fractured surface.…”

Section: Fractographymentioning

confidence: 99%

Microstructural Investigation of Tensile Fractography and Wear Properties of Scrap Aluminium Engine Head (SAEH) Reinforced with Fresh and Spent Catalysts from Petrochemical Industries using Stir Casting Method

Rajan¹,

Boppana²,

Ramesh

et al. 2023

Preprint

View full text Add to dashboard Cite

This study examines the microstructural properties, tensile fractography, and wear characteristics of scrap aluminum engine head (SAEH) composites reinforced with different types of alumina catalysts. Four composite variants were created using the stir casting method: SAEH + spent alumina catalysts (SAC), SAEH + fresh alumina catalysts (FAC), LM25 + SAC, and LM25 + FAC. Scanning electron microscopy (SEM) was utilized to analyze the microstructural features, while pin-on-disk wear testing was performed to assess wear properties. The results indicate that the SAEH + SAC composite demonstrates superior mechanical and wear properties compared to the other variants. The SAEH + FAC composite exhibits the second-best performance, followed by the LM25 + SAC and LM25 + FAC composites. SEM analysis confirms the presence of cohesive and uniform microstructures in composites containing SAC and FAC. These findings emphasize the potential of utilizing waste materials, specifically SAEH from automotive scrap yards matrices and SAC as reinforcement materials from petrochemical industries. This approach offers enhanced mechanical and wear properties, making it suitable for various applications.

show abstract

Section: Fractographymentioning

confidence: 99%

Microstructural Investigation of Tensile Fractography and Wear Properties of Scrap Aluminium Engine Head (SAEH) Reinforced with Fresh and Spent Catalysts from Petrochemical Industries using Stir Casting Method

Rajan¹,

Boppana²,

Ramesh

et al. 2023

Preprint

View full text Add to dashboard Cite

show abstract

“…Thus, FSP arose as a viable method for the development of SCs, and numerous studies were subsequently initiated. The use of particulates such as boron carbide [12] [13], titanium dioxide [14], titanium carbide [15], aluminium oxide [16], tungsten carbide [17], titanium diboride [18], Zirconia [19], etc. as reinforcements and their influence on the microstructure and mechanical properties are reported [20].…”

Section: Introductionmentioning

confidence: 99%

Control Factor Optimization for Friction Stir Processing of AA8090/SiC Surface Composites

Adiga,

Herbert,

Rao

et al. 2024

Preprint

View full text Add to dashboard Cite

Friction Stir Processing is a state-of-the-art technology for microstructure refinement, material property enhancement, and surface composites fabrication. This investigation concentrates on AA8090/SiC surface composites produced via friction stir processing. Experiments were conducted by varying the following friction stir processing parameters: Tool rotational speed (800–1400 rpm), Tool traverse speed (25–75 mm/min), and Groove width (1.0-1.8 mm). Response measures encompassed Ultimate Tensile Strength and surface roughness. Central Composite Design of Response Surface Methodology designed the experiments and mathematical relationships established between input parameters and ultimate tensile strength and surface roughness. Analysis of variance was used to test the model's adequacy. The models examined individual and interaction effects of input factors on ultimate tensile strength and surface roughness of surface composites. A combinations of input parameters was identified that yields the maximum ultimate tensile strength and minimum surface roughness. Results indicate that increasing tool rotational speed produces well-finished AA8090/SiC surface composites with decreased strength. In contrast, increased tool traverse speed and groove width generate surface composites with rougher surfaces and higher strength. Surface and contour plots further explored the influence of parameter interactions on responses.

show abstract

“…Surface hardening of the aluminum alloy was carried out by FSP admixing of Mo powder to an Al-Mg-Sc alloy [ 15 ] or by in situ formation of intermetallic Al 3 N nanoparticles in AA7075 [ 16 ], as well admixing zirconia to AlZnMgCu1.5 [ 17 ]. The addition of either ZrO 2 particles [ 18 ] in FSP served to reduce the composite wear rate by 62% compared to that of the base metal.…”

Section: Introductionmentioning

confidence: 99%

Macro- and Microstructure of In Situ Composites Prepared by Friction Stir Processing of AA5056 Admixed with Copper Powders

et al. 2023

View full text Add to dashboard Cite

This paper is devoted to using multi-pass friction stir processing (FSP) for admixing 1.5 to 30 vol.% copper powders into an AA5056 matrix for the in situ fabrication of a composite alloy reinforced by Al-Cu intermetallic compounds (IMC). Macrostructurally inhomogeneous stir zones have been obtained after the first FSP passes, the homogeneity of which was improved with the following FSP passes. As a result of stirring the plasticized AA5056, the initial copper particle agglomerates were compacted into large copper particles, which were then simultaneously saturated by aluminum. Microstructural investigations showed that various phases such as α-Al(Cu), α-Cu(Al) solid solutions, Cu3Al and CuAl IMCs, as well as both S and S’-Al2CuMg precipitates have been detected in the AA5056/Cu stir zone, depending upon the concentration of copper and the number of FSP passes. The number of IMCs increased with the number of FSP passes, enhancing microhardness by 50–55%. The effect of multipass FSP on tensile strength, yield stress and strain-to-fracture was analyzed.

show abstract

Investigation on microstructure, mechanical properties and tribological behavior of AlZnMgCu1.5-T6/zirconia surface nanocomposites developed by FSP

Cited by 14 publications

References 49 publications

Microstructural Investigation of Tensile Fractography and Wear Properties of Scrap Aluminium Engine Head (SAEH) Reinforced with Fresh and Spent Catalysts from Petrochemical Industries using Stir Casting Method

Microstructural Investigation of Tensile Fractography and Wear Properties of Scrap Aluminium Engine Head (SAEH) Reinforced with Fresh and Spent Catalysts from Petrochemical Industries using Stir Casting Method

Control Factor Optimization for Friction Stir Processing of AA8090/SiC Surface Composites

Macro- and Microstructure of In Situ Composites Prepared by Friction Stir Processing of AA5056 Admixed with Copper Powders

Contact Info

Product

Resources

About