Mechanical behaviour and thermal stability of multi-axially compressed copper

Padap, Aditya Kumar; Dwivedi, Ankit; Kumar, Narendra

doi:10.1088/2053-1591/aa9e98

Cited by 1 publication

(2 citation statements)

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“…It is necessary to note that MAC affects the mechanical properties due to strain hardening and grain refinement. 16 This change in microstructural feature and mechanical properties may influence the wear behavior of MAC processed Al alloy.…”

Section: Resultsmentioning

confidence: 99%

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Optimization of dry sliding wear parameters through RSM approach of fine-grained 7075 Al alloy developed by MAC

Yadav¹,

Padap²

2023

Proceedings of the Institution of Mechanical Engineers, Part C:

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This study examines the influence of multi-axial Compression (MAC) on the wear attributes of 7075 Al alloy and optimize the dry sliding wear parameters using the response surface methodology (RSM). Optical microscopy images were used to detect microstructural changes in the 7075 Al alloy after MAC processing. The Face Centered Central Composite Design (FCCD) method was made up of three factors, each with three levels. To investigate the impact of various factors and how they interact with one another on wear, surface plots, contour plots, and mean effects plots were developed. The coefficient of regression R2 was 0.9621, demonstrating the constructed model’s acceptable accuracy. After six passes, average grain size was observed to reduce by up to 2.3 µm. The alloy processed by MAC is harder and stronger than the zero MAC pass alloy. The mechanical properties of Al alloy enhance with increased MAC pass. In this study, the Vickers micro-hardness, X-ray diffraction analysis, optical microstructural, energy dispersive X-ray spectroscopy analysis (EDS), tensile test, and scanning electron microscopy (SEM) were performed on broken tensile specimens and worn surface of the wear pin.

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Section: Resultsmentioning

confidence: 99%

“…However, the wear resistance was found to decrease with the increase in ARB process. Padap et al 16 studied the mechanical and thermal properties of multi-axially compressed copper and found increased hardness and tensile strength was due to grain refinement.…”

Section: Introductionmentioning

confidence: 99%