SURFACE CHARACTERISTICS IMPROVEMENT OF AZ31B MAGNESIUM BY SURFACE COMPOSITING WITH CARBON NANO-TUBES THROUGH FRICTION STIR PROCESSING

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SOLTANI M.; SHAMANIAN M.; NIROUMAND B.

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Paper Information

Journal: INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY Year:2015 | Volume:8 | Issue:1 Page(s): 85-95

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Title

SURFACE CHARACTERISTICS IMPROVEMENT OF AZ31B MAGNESIUM BY SURFACE COMPOSITING WITH CARBON NANO-TUBES THROUGH FRICTION STIR PROCESSING

Author(s)

SOLTANI M. | SHAMANIAN M. | NIROUMAND B. | Issue Writer Certificate

Keywords

CARBON NANO TUBE (CNT)

FRICTION STIR PROCESSING (FSP)

SURFACE COMPOSITE

ZENER-HOLLOMAN PARAMETER

Abstract

In this research, compositing the surface of AZ31B magnesium alloy with CNT was studied by FSP. The investigated parameters were rotational speed (500-1500rpm), transverse speed (12-44mm/min), number of passes (1-4), and CNT weight fraction (0-2%). Microhardness testing, optical metallography, FESEM, and EDS analysis were used for the characterization of the samples. The suitable limits for the transverse speed and rotational speed were 12-24mm/min and 870-1140rpm, respectively. The highest hardness in the FSP without compositing was observed at the transverse speed of 24mm/min, rotational speed of 870rpm with a hardness of about 60Vickers, and the stir region grain size of less than 5mm. The Zener-Holman parameter was calculated and the least value was related to the conditions of the transverse speed of 12-24mm/min and rotational speed of 870rpm; as a result, the samples with the finest grain size were theoretically and experimentally marked. The most homogenous structure with the highest hardness was related to the three-pass processed sample with a hardness of 69Vickers. The best rate of CNT weight was 2%, enjoying the highest hardness. The FESEM images confirmed the suitable distribution of CNTs in matrix after the performance of the three-pass processing.

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APA: Copy

SOLTANI, M., SHAMANIAN, M., & NIROUMAND, B.. (2015). SURFACE CHARACTERISTICS IMPROVEMENT OF AZ31B MAGNESIUM BY SURFACE COMPOSITING WITH CARBON NANO-TUBES THROUGH FRICTION STIR PROCESSING. INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY, 8(1), 85-95. SID. https://sid.ir/paper/643375/en

Vancouver: Copy

SOLTANI M., SHAMANIAN M., NIROUMAND B.. SURFACE CHARACTERISTICS IMPROVEMENT OF AZ31B MAGNESIUM BY SURFACE COMPOSITING WITH CARBON NANO-TUBES THROUGH FRICTION STIR PROCESSING. INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY[Internet]. 2015;8(1):85-95. Available from: https://sid.ir/paper/643375/en

IEEE: Copy

M. SOLTANI, M. SHAMANIAN, and B. NIROUMAND, “SURFACE CHARACTERISTICS IMPROVEMENT OF AZ31B MAGNESIUM BY SURFACE COMPOSITING WITH CARBON NANO-TUBES THROUGH FRICTION STIR PROCESSING,” INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY, vol. 8, no. 1, pp. 85–95, 2015, [Online]. Available: https://sid.ir/paper/643375/en

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