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Analytical and Electrochemical Study...

Jahangiribabavi, Negin.

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Analytical and Electrochemical Study of Passive Films in Stainless Steels Subjected to Aqueous Solutions.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Analytical and Electrochemical Study of Passive Films in Stainless Steels Subjected to Aqueous Solutions./
作者:	Jahangiribabavi, Negin.
面頁冊數:	247 p.
附註:	Source: Dissertation Abstracts International, Volume: 74-12(E), Section: B.
Contained By:	Dissertation Abstracts International74-12B(E).
標題:	Engineering, Materials Science. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3573353
ISBN:	9781303435287

Analytical and Electrochemical Study of Passive Films in Stainless Steels Subjected to Aqueous Solutions.
Jahangiribabavi, Negin.

Analytical and Electrochemical Study of Passive Films in Stainless Steels Subjected to Aqueous Solutions. - 247 p.

Source: Dissertation Abstracts International, Volume: 74-12(E), Section: B.

Thesis (Ph.D.)--University of Illinois at Chicago, 2013.

The objective of this research is to study the corrosion behavior of the stainless steel centrifugal contactor used in the spent nuclear fuel treatment process called UREX+ process. AISI type 304L stainless steel was suggested as the material of construction for this contactor. Corrosion of 304L stainless steel in three acidic aqueous solutions of 5.0M HNO3, 5.0M HNO 3 + 0.1M HF, and 5.0M HNO3 + 0.1M HF + 0.1M Zr4+ was studied.

ISBN: 9781303435287Subjects--Topical Terms:

1017759
Engineering, Materials Science.

Analytical and Electrochemical Study of Passive Films in Stainless Steels Subjected to Aqueous Solutions.
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245 1 0 $a Analytical and Electrochemical Study of Passive Films in Stainless Steels Subjected to Aqueous Solutions.
300 $a 247 p.
500 $a Source: Dissertation Abstracts International, Volume: 74-12(E), Section: B.
500 $a Adviser: Ernesto Indacochea.
502 $a Thesis (Ph.D.)--University of Illinois at Chicago, 2013.
520 $a The objective of this research is to study the corrosion behavior of the stainless steel centrifugal contactor used in the spent nuclear fuel treatment process called UREX+ process. AISI type 304L stainless steel was suggested as the material of construction for this contactor. Corrosion of 304L stainless steel in three acidic aqueous solutions of 5.0M HNO3, 5.0M HNO 3 + 0.1M HF, and 5.0M HNO3 + 0.1M HF + 0.1M Zr4+ was studied.
520 $a Immersion, potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) corrosion tests were conducted at test temperatures of 25, 40, and 80°C and three different rotational speeds (0, 1000, 2000 rpm) in order to mimic the operating conditions of the centrifugal contactor. The results showed that the 5.0M HNO3 + 0.1M HF solution was the most corrosive environment as the fluoride ions dissolved the passive film present on the surface of the stainless steel. The addition of 0.1M Zr 4+ ions to this acidic mixture reduced the corrosion caused by HF to levels similar to those found in HNO3 solutions and allowed the stainless steel to preserve its passive film. Further addition of zirconium ion did not result in better corrosion resistance of the stainless steel. Besides, higher corrosion rates were obtained as the solutions temperatures increased while the hydrodynamic conditions had less significant effect on corrosion rates.
590 $a School code: 0799.
650 4 $a Engineering, Materials Science. $3 1017759
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650 4 $a Engineering, Nuclear. $3 1043651
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710 2 $a University of Illinois at Chicago. $b Civil and Materials Engineering. $3 2094960
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