Shotpeening effect on surface characteristics of the AA6061-SiC
            <sub>P</sub>
            metal matrix composite

Venumurali, J.; Beyanagari, Sudheer Reddy; Reddy, G. Bhanodaya

doi:10.1080/2374068x.2023.2184571

Cited by 1 publication

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“…The surface characteristics of shot peened AA6061 composite reinforced with SiC particles were analyzed by Jagannati Venumurali et al Samples exposed to 140 s of shot peening exhibited improved results. The surface roughness of the specimens increased as a result of prolonged exposure of the samples to shots [17]. Coskun Yolcu et al used the shot peening technique to enhance the wear resistance of A356/SiC composites manufactured with different levels of reinforcement.…”

Section: Introductionmentioning

confidence: 99%

Enhancing the fatigue strength of stir-casted Al7075-SiC composites through heat treatment and shot peening

Raghuvaran,

Suresh,

Narasimharaj

et al. 2023

Phys. Scr.

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An attempt has been made in the present study to analyze the impact of shot peening on fatigue strength of Al-SiC (8 wt.%) composites. Composite samples prepared using stir casting method is machined to ASTM E466 standards and a portion of them are exposed to T6 heat treatments. Shot peening is done on various combinations of specimens and fatigue tests are carried out and compared. Fatigue strength of Al7075 is 156.5 MPa and it is found to be increased to 165.8 MPa for heat treated and shot peened Al-SiC composites. Design expert software is used for design of experiments in order to optimize the process parameters and enhance the fatigue strength of the specimens further. Fatigue strength of the specimens was increased to 174 MPa on repeating the test with optimized experimental parameters. The fatigue test results revealed that heat treated cum shot peened Al-SiC composite exhibited maximum results than other samples. Surface residual stress of the specimens are measured and is found that shot peening increases the compressive residual stress on the surface of the specimen. Surface roughness of the specimen is increased on shot peening. Microstructural analysis is done on the specimens to find the impact of shot peening on the surface of the composite specimens. The strengthening mechanisms of the composite samples are discussed with the help of microstructural images.

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Section: Introductionmentioning

confidence: 99%

Enhancing the fatigue strength of stir-casted Al7075-SiC composites through heat treatment and shot peening

Raghuvaran,

Suresh,

Narasimharaj

et al. 2023

Phys. Scr.

View full text Add to dashboard Cite

show abstract

Shotpeening effect on surface characteristics of the AA6061-SiC _P metal matrix composite

Cited by 1 publication

References 23 publications

Enhancing the fatigue strength of stir-casted Al7075-SiC composites through heat treatment and shot peening

Enhancing the fatigue strength of stir-casted Al7075-SiC composites through heat treatment and shot peening

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Shotpeening effect on surface characteristics of the AA6061-SiC P metal matrix composite

Cited by 1 publication

References 23 publications

Enhancing the fatigue strength of stir-casted Al7075-SiC composites through heat treatment and shot peening

Enhancing the fatigue strength of stir-casted Al7075-SiC composites through heat treatment and shot peening

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Shotpeening effect on surface characteristics of the AA6061-SiC _P metal matrix composite