EFFECT OF SINTERING TEMPERATURES ON MECHANICAL AND ELECTROCHEMICAL PROPERTIES OF SOL–GEL ALUMINA COATINGS APPLIED ON CARBON STEEL

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MIRAHMADI HAMID; KALANTAR MEHDI; MOSALAEIPOUR MASOUD; KEIVANI AHMAD

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Journal: JOURNAL OF ADVANCED MATERIALS AND TECHNOLOGIES Year:2017 | Volume:6 | Issue:1 Page(s): 23-31

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Title

EFFECT OF SINTERING TEMPERATURES ON MECHANICAL AND ELECTROCHEMICAL PROPERTIES OF SOL–GEL ALUMINA COATINGS APPLIED ON CARBON STEEL

Author(s)

MIRAHMADI HAMID | KALANTAR MEHDI | MOSALAEIPOUR MASOUD | KEIVANI AHMAD | Issue Writer Certificate

Keywords

ALUMINA COATINGQ3

SOL GELQ2

CORROSION RESISTANCEQ2

WEAR RESISTANCEQ2

ADHESIVE STRENGTHQ2

CARBON STEELQ3

Abstract

In this research alumina sol-gel coating was applied on St44 steel by dipping, that sintered at temperatures of 300, 400 and 500oС after drying. Phase and micro structure analysis, CORROSION RESISTANCE, ADHESIVE STRENGTH and WEAR RESISTANCE were evaluated by XRD, SEM, electrochemical tests in 3.5% NaCl solution, pull off test and wear tester respectively. The results of DTA and XRD indicate that coating structure was amorphous at sintering temperature of 300oС and transformed to g-Al2O3 completely at 500oС and transformed to a-Al2O3 completely up to 1200oС. Microscopic observation indicate minimum defects and maximum compaction for interface of sample sintered at 400oС. The best wear and CORROSION RESISTANCE obtained at 400oС and the decrease properties of sample sintered at 500oС could be due to cracks and holes caused by the phase transformation from amorphous to crystalline structure.

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APA: Copy

MIRAHMADI, HAMID, KALANTAR, MEHDI, MOSALAEIPOUR, MASOUD, & KEIVANI, AHMAD. (2017). EFFECT OF SINTERING TEMPERATURES ON MECHANICAL AND ELECTROCHEMICAL PROPERTIES OF SOL–GEL ALUMINA COATINGS APPLIED ON CARBON STEEL. JOURNAL OF ADVANCED MATERIALS AND TECHNOLOGIES, 6(1 ), 23-31. SID. https://sid.ir/paper/252459/en

Vancouver: Copy

MIRAHMADI HAMID, KALANTAR MEHDI, MOSALAEIPOUR MASOUD, KEIVANI AHMAD. EFFECT OF SINTERING TEMPERATURES ON MECHANICAL AND ELECTROCHEMICAL PROPERTIES OF SOL–GEL ALUMINA COATINGS APPLIED ON CARBON STEEL. JOURNAL OF ADVANCED MATERIALS AND TECHNOLOGIES[Internet]. 2017;6(1 ):23-31. Available from: https://sid.ir/paper/252459/en

IEEE: Copy

HAMID MIRAHMADI, MEHDI KALANTAR, MASOUD MOSALAEIPOUR, and AHMAD KEIVANI, “EFFECT OF SINTERING TEMPERATURES ON MECHANICAL AND ELECTROCHEMICAL PROPERTIES OF SOL–GEL ALUMINA COATINGS APPLIED ON CARBON STEEL,” JOURNAL OF ADVANCED MATERIALS AND TECHNOLOGIES, vol. 6, no. 1 , pp. 23–31, 2017, [Online]. Available: https://sid.ir/paper/252459/en

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