Damage assessment of titania filled zinc–aluminum alloy metal matrix composites in erosive environment: A comparative study

Patnaik, Amar; Mamatha, T.G.; Biswas, Sandhyarani; Kumar, Pradeep

doi:10.1016/j.matdes.2011.11.054

Cited by 24 publications

(3 citation statements)

References 29 publications

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“…Similar, observations was observed for 2024 aluminum alloy MMCs with Al 2 O 3 filler particles, the density of the composites increased with increasing weight percentage and size of particles, whereas, the porosity of the composites increased with decreasing size and increasing weight percentage of particles. [23][24][25][26][27][28] Effect of varying wt.% of SiC on hardness of A356 alloy composite…”

Section: Effect Of Varying Wt% Of Sic On Void Content Of A356 Alloy Compositesmentioning

confidence: 99%

Experimental and finite element analysis of mechanical and fracture behavior of SiC particulate filled A356 alloy composites: Part I

Kukshal

Gangwar

Patnaik

2013

Proceedings of the Institution of Mechanical Engineers, Part L:

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In the present study, silicon carbide (SiC) filled cast aluminum (A356) alloy composites were fabricated using stir casting technique by varying SiC weight percentages from 0 wt.% to 25 wt.% at a range of 5 wt.%, respectively. The spherical shaped SiC particles of 60 mm size were uniformly mixed with the semi-solid alloy by mechanical stirrer. The physical and mechanical properties along with the fracture toughness of SiC filled A356 alloy composite were evaluated experimentally and compared with finite element analysis results for the validation purpose. It was found that the void content of A356 alloy composites varied from 1.01% to 2.69% and hardness from 21.25 HRB to 33 HRB with the increased SiC wt.% from 0% to 25%. The maximum experimental value of Young's modulus and flexural strength at 25 wt.% SiC filled A356 alloy composite was found to be 150.55 MPa and 315.94 MPa, respectively. Impact energy of the SiC filled A356 alloy composite also increased from 3.92 J at 0 wt.% to 7.82 J at 25 wt.% SiC. It was established that the stress intensity factor for unfilled and SiC filled A356 alloy composites increases with the increased crack length for 0-25 wt.% SiC content. The tensile and flexural behavior of the composite is simulated by three-dimensional (3D) unit cell model using appropriate boundary condition in ANSYS. Finally, stress intensity factor for the crack propagation is determined using 2D simulation of single side edge cracked specimen in compact tension. The maximum percentage error for tensile strength and fracture toughness as calculated experimentally and by finite element method was found to be 5.74% and 7.69%, respectively, which is within the acceptable range.

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Section: Effect Of Varying Wt% Of Sic On Void Content Of A356 Alloy Compositesmentioning

confidence: 99%

Experimental and finite element analysis of mechanical and fracture behavior of SiC particulate filled A356 alloy composites: Part I

Kukshal

Gangwar

Patnaik

2013

Proceedings of the Institution of Mechanical Engineers, Part L:

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“…Similar observations are also reported by other researchers for both particulate filled metal alloy and polymer matrix composites. [21][22][23][24][25]…”

Section: Effect Of Varying Wt% Of Al 2 O 3 On Void Content Of A356 Alloy Compositementioning

confidence: 99%

Experimental and finite element analysis of mechanical and fracture behaviour of Al₂O₃ particulate-filled A356 alloy composites: Part II

Kukshal

Gangwar

Patnaik

2013

Proceedings of the Institution of Mechanical Engineers, Part L:

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In the present work, alumina (Al 2 O 3 )-filled cast aluminium alloy (A356) composites were fabricated using stir casting technique by varying Al 2 O 3 contents (0, 5, 10, 15, 20 and 25 wt.%). The fabricated composites were studied for their physical, mechanical and fracture toughness behaviour experimentally, theoretically and compared with finite element analysis method to validate the experimental and theoretical results. The physical and mechanical results showed that the addition of alumina to A356 alloy led to the improvement in tensile strength, flexural strength, hardness and impact strength. The void content of A356 alloy composites increased from 1.01% to 3.30% from 0 to 25 wt.% Al 2 O 3 . Young's modulus value varied from 80 GPa to 111.27 GPa at 0 to 25 wt.% Al 2 O 3 filled A356 alloy composite. The maximum value of flexural strength as calculated experimentally is found to be 389 MPa at 25 wt.% Al 2 O 3 . A 3D simulation of the composite using the unit cell model was developed in ANSYS using appropriate boundary conditions for tensile and flexural strength. Stress intensity factor for the crack propagation is determined using 2D simulation of the single side edge cracked plate in compact tension. The mechanical properties determined in papers I and II are used for the optimization purpose. Technique for order preference by similarity to ideal solution was applied to rank the composites using criteria based on mechanical properties like tensile strength, Young's modulus, flexural strength and stress intensity factor. As per the results obtained from the optimization, the composite with 25 wt.% SiC exhibits the optimal properties.

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“…Zn-Al alloys have emerged as a potential cost-and energyeffective, and environmentally friendly system as an alternative for several ferrous and non-ferrous alloys in various engineering applications [8][9][10]. Sharma et al found that Zinc-aluminum alloys containing small amounts of copper have gained commercial importance as new bearing materials having several advantages over conventional bearing materials [11].…”

Section: Introductionmentioning

confidence: 99%

Microstructures and properties of laser welding joint of super-eutectic ZA alloy

Yan

Wang

et al. 2013

Materials & Design

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Damage assessment of titania filled zinc–aluminum alloy metal matrix composites in erosive environment: A comparative study

Cited by 24 publications

References 29 publications

Experimental and finite element analysis of mechanical and fracture behavior of SiC particulate filled A356 alloy composites: Part I

Experimental and finite element analysis of mechanical and fracture behavior of SiC particulate filled A356 alloy composites: Part I

Experimental and finite element analysis of mechanical and fracture behaviour of Al₂O₃ particulate-filled A356 alloy composites: Part II

Microstructures and properties of laser welding joint of super-eutectic ZA alloy

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Damage assessment of titania filled zinc–aluminum alloy metal matrix composites in erosive environment: A comparative study

Cited by 24 publications

References 29 publications

Experimental and finite element analysis of mechanical and fracture behavior of SiC particulate filled A356 alloy composites: Part I

Experimental and finite element analysis of mechanical and fracture behavior of SiC particulate filled A356 alloy composites: Part I

Experimental and finite element analysis of mechanical and fracture behaviour of Al2O3 particulate-filled A356 alloy composites: Part II

Microstructures and properties of laser welding joint of super-eutectic ZA alloy

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Experimental and finite element analysis of mechanical and fracture behaviour of Al₂O₃ particulate-filled A356 alloy composites: Part II