PREPARATION, CHARACTERIZATION AND MECHANICAL PROPERTIES EVALUATION OF CO-BASED ALLOY NANOCOMPOSITE REINFORCED WITH FORSTERITE NANOPOWDER

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BAHRAMI M.; FATHI M.H.; AHMADIAN M.

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Journal: ADVANCED MATERIALS IN ENGINEERING (ESTEGHLAL) Year:2013 | Volume:32 | Issue:1 Page(s): 69-78

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Title

PREPARATION, CHARACTERIZATION AND MECHANICAL PROPERTIES EVALUATION OF CO-BASED ALLOY NANOCOMPOSITE REINFORCED WITH FORSTERITE NANOPOWDER

Author(s)

BAHRAMI M. | FATHI M.H. | AHMADIAN M. | Issue Writer Certificate

Keywords

CO-CR-MO ALLOYQ3

FORSTERITE NANO-BIOCERAMICQ3

COMPOSITEQ2

MECHANICAL PROPERTIESQ2

Abstract

Short life of current total hip replacement metallic implants is generally dependent on the aseptic loosening of the implant, which occurs due to mismatch of elastic modulus between bone and metallic implant materials. Decreasing in elastic modulus of implant could be successful. Forsterite is biocompatible and bioactive ceramic which has suitable MECHANICAL PROPERTIES. In presented research the COMPOSITE materials based on CO-CR-MO ALLOY with 10, 15 and 20wt% of forsterite nanopowder as reinforcement were fabricated and mechanical behavior of the COMPOSITEs were evaluated. COMPOSITEs were fabricated by ball milling, cold pressing and sintering. X-ray diffraction (XRD) and scanning electron microscopy (SEM) were used for characterization and evaluation phase composition and microstructure of the COMPOSITEs. Density, microhardness, compressive strength and elastic modulus of fabricated COMPOSITEs were evaluated. Obtained results showed elastic modulus of COMPOSITE materials based on CO-CR-MO ALLOY reinforced with 10, 15 and 20wt% of forsterite nanopowder decreased significantly. Results also showed that the compressive strength of Co-base alloy COMPOSITEs reinforced with 10, 15 and 20 wt% forsterite were lower than cast CO-CR-MO ALLOY. With increasing in the content of reinforcement, compressive strength of the COMPOSITEs were decreased. Microhardness of prepared COMPOSITEs were higher than cast CO-CR-MO ALLOY. With increasing in content of bioceramic reinforcement, microhardness of the COMPOSITEs were increased.

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APA: Copy

BAHRAMI, M., FATHI, M.H., & AHMADIAN, M.. (2013). PREPARATION, CHARACTERIZATION AND MECHANICAL PROPERTIES EVALUATION OF CO-BASED ALLOY NANOCOMPOSITE REINFORCED WITH FORSTERITE NANOPOWDER. ADVANCED MATERIALS IN ENGINEERING (ESTEGHLAL), 32(1), 69-78. SID. https://sid.ir/paper/163210/en

Vancouver: Copy

BAHRAMI M., FATHI M.H., AHMADIAN M.. PREPARATION, CHARACTERIZATION AND MECHANICAL PROPERTIES EVALUATION OF CO-BASED ALLOY NANOCOMPOSITE REINFORCED WITH FORSTERITE NANOPOWDER. ADVANCED MATERIALS IN ENGINEERING (ESTEGHLAL)[Internet]. 2013;32(1):69-78. Available from: https://sid.ir/paper/163210/en

IEEE: Copy

M. BAHRAMI, M.H. FATHI, and M. AHMADIAN, “PREPARATION, CHARACTERIZATION AND MECHANICAL PROPERTIES EVALUATION OF CO-BASED ALLOY NANOCOMPOSITE REINFORCED WITH FORSTERITE NANOPOWDER,” ADVANCED MATERIALS IN ENGINEERING (ESTEGHLAL), vol. 32, no. 1, pp. 69–78, 2013, [Online]. Available: https://sid.ir/paper/163210/en

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