Wear behavior of hot extruded Al6061 based composites

Ramesh, C.S.; Safiulla, Mir

doi:10.1016/j.wear.2007.01.088

Cited by 105 publications

(51 citation statements)

References 12 publications

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“…Aluminum 6061 alloy (Supplied by Fenfee metallurgicals, Bangalore, India) was chosen as matrix material owing to its superior casting properties, reasonable strength, excellent formability, heat treatment capability, and wide application in industrial sector (Ramesh and Safiulla, 2007) etc. Table 1 reports the chemical com- Table 3 Grit size to particle size conversion.…”

Section: Materials Composite Preparation and Hot Forgingmentioning

confidence: 99%

“…DRAMCs composites are primarily synthesized by various techniques (Ramesh and Safiulla, 2007) such as powder metallurgy, vortex method, and infiltration technique, squeeze casting, etc. Among all these, vortex method is one of the most popular methods, in view of its simplicity, easy adaptability, mass production and applicability to large quantity production.…”

Section: Introductionmentioning

confidence: 99%

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Abrasive wear behavior of Ni–P coated Si3N4 reinforced Al6061 composites

Ramesh

Keshavamurthy

Pramod

et al. 2011

Journal of Materials Processing Technology

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Section: Materials Composite Preparation and Hot Forgingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Abrasive wear behavior of Ni–P coated Si3N4 reinforced Al6061 composites

Ramesh

Keshavamurthy

Pramod

et al. 2011

Journal of Materials Processing Technology

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“…The matrix deforms plastically to accommodate the smaller volume expansion of the reinforcement particles leading to increased dislocation density. Enhancement in dislocation densities results in higher resistance to plastic deformation and is responsible for additional increase in hardness of composites (Ramesh & Safiulla, 2007;Zulfia et al, 2016). Composites exhibit an accelerated rate of aging kinetics as compared to unreinforced matrix alloy.…”

Section: Aging Curve and Hardnessmentioning

confidence: 99%

Influence of Artificial Aging on the Stir Cast Al6061-SiC Metal Matrix Composites under Different Aging Conditions

Shankar

Sharma

Kini

et al. 2016

IJTech

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The present work aims to improve the microstructure and hardness related properties of age hardened Al6061-SiC reinforced composites produced by a two stage stir casting method. Three composites with 2, 4, and 6wt. % (35-40μm) of SiC reinforcement are subjected to microstructural examination and hardness test at different locations to analyse the uniform distribution of the reinforcements in the matrix. As-cast composites are solution-treated at 558°C, followed by an aging treatment conducted at 100, 150, and 200°C, during which peak hardness values are noted. The peak aged samples are subjected to hardness and wear tests. In line with the objectives, ranges from 80-100% and 120-145% additional increase in hardness values are observed over as-cast alloy during the aging treatment conducted at 100, 150 and 200°C, respectively. Lower temperature aging shows substantial improvement in hardness and wear resistance over high temperature aging in each respective group. Also higher weight percentages of reinforced composites show excellent wear resistance, due to the presence of eroded iron particles from the counter surface which is regarded as a beneficial effect during the wear test. The presence of SiC particles provides more sites for the nucleation of fine precipitates. These fine precipitates hinder the movement of dislocation and thus increases hardness as well as wear resistance after the precipitation hardening treatment.

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“…From the literature survey, it is reported by many researchers have reported that melting and casting technique is the most economical way of producing Discontinuous Reinforced Metal Matrix Composite (DRMMCs) [1][2][3][4][5].…”

Section: Introductionmentioning

confidence: 99%

Corrosion Behaviour of Al6061-Frit Particulate Metal Matrix Composites in Sodium Chloride Solution

Ramesh¹,

Swamy²,

Chandrashekar³

2013

JMMCE

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In this investigation, an attempt has been made to develop Al6061-Frit particulate metal matrix composites through stir casting technique using metal molds and to study the corrosion behaviour. Pre heated frit particles were added to matrix as reinforcement. Al6061 containing 2 wt% to 8 wt% in steps of 2 wt% of frit particulate composites were prepared. Corrosion tests were conducted by using Potentiostat model SEP238C where 3.5% NaCl solution was used as corrodent. The corrosion rate of metal matrix composites was lower than that of matrix material Al6061 under the corrosive atmosphere for both un-heat treated and heat treated conditions.

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Wear behavior of hot extruded Al6061 based composites

Cited by 105 publications

References 12 publications

Abrasive wear behavior of Ni–P coated Si3N4 reinforced Al6061 composites

Abrasive wear behavior of Ni–P coated Si3N4 reinforced Al6061 composites

Influence of Artificial Aging on the Stir Cast Al6061-SiC Metal Matrix Composites under Different Aging Conditions

Corrosion Behaviour of Al6061-Frit Particulate Metal Matrix Composites in Sodium Chloride Solution

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