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020 _aTHE0005887(Local)
039 9 _a201905141150
_baida
_c201107131829
_dVLOAD
_c201103100822
_dida
_y201103100820
_zida
040 _aUMP
090 _aTA462 .Z855 2010 rs Bc.
100 0 _aMohd Zulkarnain Zulkifli
245 1 0 _aCorrosion inhibition of 6061 aluminium alloy in marine environments by milk /
_cMohd Zulkarnain Zulkifli
246 3 _aCorrosion inhibition of 6061 aluminium alloy in marine environments by milk
_h[electronic resource]
260 _aKuantan, Pahang :
_bUMP,
_c2010
300 _axvii, 71 p. :
_bill. (some col.) ;
_c30 cm. +
_e1 computer file
502 _aProject paper (Bachelor of Mechanical Engineering) -- Universiti Malaysia Pahang - 2010
504 _aBibliography : p. 59-60
520 3 _a6061 aluminium alloy is an important material with wide ranges of industrial applications and marine technology. This study examines the use of milk for improvement of corrosion resistance of 6061 aluminium alloy in sodium chloride. Weight loss method and potentiodynamic polarization measurement were employed to study the corrosion behavior of 6061 aluminium alloy in sodium chloride. The weight loss method showed that the presence of milk significantly decreases the corrosion rates of 6061 aluminium alloy 6061 in the test solutions. Pitting corrosion take places in all the specimens during immersion test and the pitting can be seen through surface analysis by using optical microscope 200x magnifications. With the presence of milk in the sodium chloride, the pitting growth is smaller and lesser compare to no milk added. The electrochemical measurements also showed the similar finding that the presence of milk reduces the corrosion rates, and that corrosion current densities (icorr) simultaneously increases the values of polarization resistance Rp. The inhibition efficiencies increase with increasing of milk concentration. The nature of adsorption of milk on the metal surface has also been examined. Scanning electron microscope (SEM) and energy dispersive x-ray spectroscopy (EDS) confirmed the formation of thin film on the metal surface, which reduces the overall corrosion reaction.
650 0 _aAluminium alloys
_xCorrosion
650 0 _aCorrosion and anti-corrosives
999 _aVIRTUA40
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