نتایج جستجو برای: h2o2 corrosion

تعداد نتایج: 45592  

Journal: :Faraday discussions 2015
John R Scully

Recent advances in characterization tools, computational capabilities, and theories have created opportunities for advancement in understanding of solid-fluid interfaces at the nanoscale in corroding metallic systems. The Faraday Discussion on Corrosion Chemistry in 2015 highlighted some of the current needs, gaps and opportunities in corrosion science. Themes were organized into several hierar...

Journal: :Materialia 2021

Abstract Protein adsorption and its conformational arrangements on the surface of metallic biomaterials directly influence biocompatibility degradation process during implant lifetime. However, presence various species such as phosphates, calcium hydrogen peroxide (H2O2) in human body not only control electrochemical interactions biomaterial but could also modify protein impact metal degradatio...

Journal: :Catalysts 2022

In this work, the synchronous removal of Cr(VI) and bisphenol A (BPA) in a heterogeneous Fenton process with sulfidated nanoscale zero-valent iron (S-nZVI) as reductant catalyst was systematically evaluated. Compared to other systems including S-nZVI or H2O2 alone, simultaneous BPA degradation could be achieved S-nZVI/H2O2 system at an optimum pH 3. It was, interestingly, found that 7.8% 98.2% ...

2005
Palle Thoft-Christensen Luis Esteva

The main purpose of this paper is to give an overview of some recent progress made in modelling of deterioration of reinforced concrete structures. The review is not claimed to be complete. It is based on some of the author’s contributions in this research area especially the papers (Thoft-Christensen 2001) and (ThoftChristensen, Svensson and Frandsen 2005). In the paper, corrosion of reinforce...

Journal: :international journal of coastal and offshore engineering 0
reza javaherdashti safe-sight technology, surrey, uk,

subsea structures such as manifolds, line pipes and flow lines are important investments. also because of the sensitivity of environmental issues, corrosion of these structures is of vital importance. subsea corrosion management is different from on-shore and shallow water off-shore corrosion management in mainly three factors: materials, corrosion management practice and cathodic protection. t...

Journal: :Entropy 2014
Zhi Tang Lu Huang Wei He Peter K. Liaw

The effects of metallurgical factors on the aqueous corrosion behavior of highentropy alloys (HEAs) are reviewed in this article. Alloying (e.g., Al and Cu) and processing (e.g., heat treatments) effects on the aqueous corrosion behavior of HEAs, including passive film formation, galvanic corrosion, and pitting corrosion, are discussed in detail. Corrosion rates of HEAs are calculated using ele...

2010
Rami Alnaqeib

Corrosion is a natural process that seeks to reduce the binding energy in metals. The end result of corrosion involves a metal atom being oxidized. Surface corrosion on aluminum aircraft skins, near joints and around fasteners, is often an indicator of buried structural corrosion and cracking In this paper we proposed a new method on which we are moving towards designing a method to detect the ...

2011
Norio Sato

Metallic materials in practical use are normally exposed to corrosion in the atmospheric and aqueous environments. Metallic corrosion is one of the problems we have often encountered in our industrialized society; hence it has been studied comprehensively since the industrial revolution in the late eighteenth century. Modern corrosion science was set off in the early twentieth century with the ...

2008
XINGBO LIU VINOD SIKKA

Corrosion tests of 316L and two intermetallic compounds Fe3AI and FeCrSi in industrial Galvanizing (Zn-0.18Al), GALFAN (Zn-5AI), GALVALUME (Zn-55AI), and Aluminizing (AI-8Si) baths and lab-scale static baths were conducted. In on-line tests in industrial hot-dip baths, 316L steel shows better corrosion resistance than Fe3AI in Galvanizing, GALFAN, and GALVALUME baths. The corrosion resistance o...

2016
Yunze Xu Kaiqiang Li Liang Liu Lujia Yang Xiaona Wang Yi Huang

In this paper, a new kind of carbon steel (CS) and stainless steel (SS) galvanic sensor system was developed for the study of rebar corrosion in different pore solution conditions. Through the special design of the CS and SS electronic coupons, the electronic resistance (ER) method and zero resistance ammeter (ZRA) technique were used simultaneously for the measurement of both the galvanic curr...

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