THE EFFECT OF ANNEALING TEMPERATURE ON THE STRUCTURE AND CORROSION BEHAVIOR OF NANO-QUASICRYSTALLINE AL72NI13CR15 ALLOY SYNTHESIZED BY MECHANICAL ALLOYING

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AMINI M.; AMINI R.; HAGHIGHI M.; ALIZADEH M.; ZAREH M.A.; NEMATI Z.

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Journal: JOURNAL OF NEW MATERIALS Year:2015 | Volume:6 | Issue:1 (21) Page(s): 161-175

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Title

THE EFFECT OF ANNEALING TEMPERATURE ON THE STRUCTURE AND CORROSION BEHAVIOR OF NANO-QUASICRYSTALLINE AL72NI13CR15 ALLOY SYNTHESIZED BY MECHANICAL ALLOYING

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Keywords

NANO QUASICRYSTALLINEQ2

MECHANICAL ALLOYINGQ2

SCANNING TUNNELING MICROSCOPEQ2

POLARIZATION TESTQ2

NA2SO4 1MQ2

NACL 3.5%Q2

Abstract

In the present effort, the NANO QUASICRYSTALLINE Al-Ni-Cr compounds were successfully synthesized by MECHANICAL ALLOYING and subsequent annealing and quenching. The effect of annealing temperature on the formation of crystalline and quasicrystalline phases was studied by an X-ray diffractometer and a SCANNING TUNNELING MICROSCOPE. The crystallite size of quasicrystalline phase was investigated by high resolution transmission electron microscopy (HRTEM). Furthermore, the corrosion behavior of the produced compounds was evaluated by using 3-electrode potentiodynamic POLARIZATION TEST in both Na2SO4 1M and NACL 3.5% solutions. It was found that, the structure of the compounds is affected significantly by the annealing temperature in which the quasicrystalline phase can only be created at considerably high annealing temperatures. Accordingly, the ternary z-phase (with hexagonal structure), two binary phases designated g2 and d (with rhombohedral and hexagonal structures, respectively) and D3 decagonal quasicrystalline phase were formed at 900 °C, 1000 °C and 1100 °C, respectively and it was observed that the nano-quasicrystalline phase developed. It was also found that, the quasicrystalline phase can be improved significantly the corrosion resistance of the produced samples in both NaCl and Na2SO4 solutions.

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APA: Copy

AMINI, M., AMINI, R., HAGHIGHI, M., ALIZADEH, M., ZAREH, M.A., & NEMATI, Z.. (2015). THE EFFECT OF ANNEALING TEMPERATURE ON THE STRUCTURE AND CORROSION BEHAVIOR OF NANO-QUASICRYSTALLINE AL₇₂NI₁₃CR₁₅ ALLOY SYNTHESIZED BY MECHANICAL ALLOYING. JOURNAL OF NEW MATERIALS, 6(1 (21)), 161-175. SID. https://sid.ir/paper/169690/en

Vancouver: Copy

AMINI M., AMINI R., HAGHIGHI M., ALIZADEH M., ZAREH M.A., NEMATI Z.. THE EFFECT OF ANNEALING TEMPERATURE ON THE STRUCTURE AND CORROSION BEHAVIOR OF NANO-QUASICRYSTALLINE AL₇₂NI₁₃CR₁₅ ALLOY SYNTHESIZED BY MECHANICAL ALLOYING. JOURNAL OF NEW MATERIALS[Internet]. 2015;6(1 (21)):161-175. Available from: https://sid.ir/paper/169690/en

IEEE: Copy

M. AMINI, R. AMINI, M. HAGHIGHI, M. ALIZADEH, M.A. ZAREH, and Z. NEMATI, “THE EFFECT OF ANNEALING TEMPERATURE ON THE STRUCTURE AND CORROSION BEHAVIOR OF NANO-QUASICRYSTALLINE AL₇₂NI₁₃CR₁₅ ALLOY SYNTHESIZED BY MECHANICAL ALLOYING,” JOURNAL OF NEW MATERIALS, vol. 6, no. 1 (21), pp. 161–175, 2015, [Online]. Available: https://sid.ir/paper/169690/en

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