EVALUATION OF WEAR PROPERTIES OF AL7075/SIC-BN HYBRID NANO-COMPOSITE SURFACE LAYER PRODUCED BY FRICTION STIR PROCESSING

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SOLEYMANI MAHMOUD; KASHANI BOZORG SEYED FARSHID; HADIAN ALIMOHAMAD

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Journal: Journal of Advanced Processes in Materials Engineering Year:2016 | Volume:10 | Issue:1 (36) Page(s): 47-57

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Title

EVALUATION OF WEAR PROPERTIES OF AL7075/SIC-BN HYBRID NANO-COMPOSITE SURFACE LAYER PRODUCED BY FRICTION STIR PROCESSING

Author(s)

SOLEYMANI MAHMOUD | KASHANI BOZORG SEYED FARSHID | HADIAN ALIMOHAMAD | Issue Writer Certificate

Keywords

FRICTION STIR PROCESSINGQ2

HYBRID NANO-COMPOSITEQ2

AL7075Q2

SICQ2

BNQ2

Abstract

FRICTION STIR PROCESSING technique was carried out to produce a AL7075/SiC-BN HYBRID NANO-COMPOSITE surface layer on 7075 Al substrate in order to improve hardness and wear resistance. Equal weight ratios of micron-sized SIC and nano-sized BN powder were placed in a groove in the front side of the rotating and advancing tool. In order to achieve homogeneity, five additional passes were carried out. Microscopic investigations showed near uniform distribution of the particles in a matrix of ultra-fine Al grains of less than 1mm. The micro hardness and wear resistance of the friction stir processed substrate (without introduction of SIC and BN powder) and fabricated AL7075/SiC-BN HYBRID NANO-COMPOSITE layer were found to be markedly lower than those of the as–received AL7075-T6 due to dissolution of AL7075-precipitates during thermo-mechanical regime of the process. However, these were found to increase to about one third over those of the as-received AL7075-T6 substrate after subsequent T6 heat treatment of the fabricated HYBRID NANO-COMPOSITE layer. Such treatment was associated with the formation of intermetallic-based precipitates.

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APA: Copy

SOLEYMANI, MAHMOUD, KASHANI BOZORG, SEYED FARSHID, & HADIAN, ALIMOHAMAD. (2016). EVALUATION OF WEAR PROPERTIES OF AL7075/SIC-BN HYBRID NANO-COMPOSITE SURFACE LAYER PRODUCED BY FRICTION STIR PROCESSING. ADVANCED PROCESSES IN MATERIALS, 10(1 (36)), 47-57. SID. https://sid.ir/paper/172455/en

Vancouver: Copy

SOLEYMANI MAHMOUD, KASHANI BOZORG SEYED FARSHID, HADIAN ALIMOHAMAD. EVALUATION OF WEAR PROPERTIES OF AL7075/SIC-BN HYBRID NANO-COMPOSITE SURFACE LAYER PRODUCED BY FRICTION STIR PROCESSING. ADVANCED PROCESSES IN MATERIALS[Internet]. 2016;10(1 (36)):47-57. Available from: https://sid.ir/paper/172455/en

IEEE: Copy

MAHMOUD SOLEYMANI, SEYED FARSHID KASHANI BOZORG, and ALIMOHAMAD HADIAN, “EVALUATION OF WEAR PROPERTIES OF AL7075/SIC-BN HYBRID NANO-COMPOSITE SURFACE LAYER PRODUCED BY FRICTION STIR PROCESSING,” ADVANCED PROCESSES IN MATERIALS, vol. 10, no. 1 (36), pp. 47–57, 2016, [Online]. Available: https://sid.ir/paper/172455/en

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