scholarly journals Effect of temperature and dissolved oxygen on the passivation behavior of Ti-6Al-3Nb-2Zr-1Mo alloy in artificial seawater

2022 ◽  
Author(s):  
Xiaoqi Li ◽  
Liwei Wang ◽  
Lin Fan ◽  
Zhongyu Cui ◽  
Mingxian Sun
Keyword(s):  
Dissolved Oxygen ◽  
Artificial Seawater ◽  
Effect Of Temperature

Effect of temperature, pH, dissolved oxygen, and hydrolysate on the formation of triple light chain antibodies in cell culture

2010 ◽  
Vol 26 (5) ◽  
pp. 1438-1445 ◽  
Author(s):  
Natalia Gomez ◽  
Jun Ouyang ◽  
Mary D. H. Nguyen ◽  
Abigail R. Vinson ◽  
Andy A. Lin ◽  
...  
Keyword(s):  
Cell Culture ◽  
Dissolved Oxygen ◽  
Light Chain ◽  
Effect Of Temperature

Passivation behavior of 316L stainless steel in artificial seawater: effects of pH and dissolved oxygen

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Zhaopeng Wang ◽  
Yi Wang ◽  
Bowei Zhang ◽  
Zhan Zhang ◽  
Kui Xiao ◽  
...  
Keyword(s):  
Stainless Steel ◽  
Dissolved Oxygen ◽  
Passive Film ◽  
Polarization Resistance ◽  
316L Stainless Steel ◽  
Ph Value ◽  
Artificial Seawater ◽  
Compositional Variation ◽  
Content Type ◽  
Semiconductor Properties

Purpose The purpose of this paper is to investigate the influence of the potential of hydrogen (pH) and dissolved oxygen in artificial seawater on the passivation behavior of 316L stainless steel. Design/methodology/approach The corrosion behavior was studied by using electrochemical measurements such as electrochemical impedance spectroscopy and polarization curve. The passive films were characterized with X-ray photoelectron spectroscopy. Findings The polarization resistance of the passive film decreases as the pH value drops ascribed to the formation of much more point defects. The donor carrier concentration (ND) in the passive film formed in the deaerated condition is lower than that in aerated conditions. Nevertheless, this phenomenon is the opposite when the pH value is 1 due to the significant decrease of Fe oxides/hydroxides coupled with the stable content of Cr oxides/hydroxides species. In addition, the compositional variation of the passive film also leads to the changes of its semiconductor properties from N-type to bipolar type. Originality/value This paper shows the variation of polarization resistance, corrosion potential, passive film composition and semiconductor properties with the pH value and dissolved oxygen. The results can serve as references to the further study on crevice corrosion of 316L in seawater.

Effect of Temperature and Dissolved Oxygen on the Survival Rate and Physiological Response of the Warty Sea Squirt Styela clava

2014 ◽  
Vol 32 (3) ◽  
pp. 216-224 ◽  
Author(s):  
Yun Kyung Shin ◽  
◽  
Jung Jun Park ◽  
Mi Seon Park ◽  
Jeong In Myeong ◽  
...  
Keyword(s):  
Survival Rate ◽  
Dissolved Oxygen ◽  
Physiological Response ◽  
Effect Of Temperature ◽  
Styela Clava ◽  
Sea Squirt

Electrochemical Investigation of Under-Deposit Corrosion Behavior for Aluminum Brass in Artificial Seawater

CORROSION ◽  
10.5006/3428 ◽  
2020 ◽  
Vol 76 (11) ◽  
pp. 1050-1063
Author(s):  
Hong Ju ◽  
Weihui Xu ◽  
Jiejing Chen ◽  
Dalei Zhang ◽  
Guomin Liu ◽  
...  
Keyword(s):  
Corrosion Rate ◽  
Corrosion Behavior ◽  
Electrochemical Impedance ◽  
Electrolytic Cell ◽  
Artificial Seawater ◽  
Localized Corrosion ◽  
Effect Of Temperature ◽  
Multielectrode Arrays ◽  
Energy Dispersive Spectrometry Analysis ◽  
Spectrometry Analysis

The under-deposit corrosion behavior and mechanism of aluminum brass (HAl77-2) were investigated in artificial seawater with a custom double electrolytic cell. The experiments included linear polarization, electrochemical impedance spectroscopy, and multielectrode arrays analysis. The electrochemical results revealed a pronounced effect of temperature on the under-deposit corrosion behavior of HAl77-2. The corrosion of HAl77-2 inside the CaCO3 scale is aggravated with increasing temperature. However, the increasing frequency of the corrosion rate of HAl77-2 gradually decreased after 333 K. Moreover, in the desalination of artificial seawater, the corrosion rate of HAl77-2 in the occulated area initially increased and subsequently decreased with increasing Cl− concentration. The scanning electron microscopy and energy dispersive spectrometry analysis showed a remarkable appearance of selective localized corrosion on the surface of HAl77-2.

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