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Environmental Behavior of Materials and Surface Protection Laboratory

1.      Introduction

Environmental Behavior of Materials and Surface Protection Laboratory in Beijing University of Chemical Technology is under School of Materials Science and Engineering. It is an important part of Beijing Key Laboratory of Electrochemical Process and Technology for Materials.Inorganic Materials Council of Chinese Society for Corrosion and Protection is attached to our lab. Director of the lab is Prof. Yu Zuo who is the honorary president of Chinese Society for Corrosion and Protection and a member of International Corrosion Council. 

As a key facility in the field of materials environmental degradation and surface protection, the lab is equipped with various modern instruments. Meanwhile, the lab consists of a strong teaching and research team, including six teachers and more than forty graduate students. Projects undertaken include National Key Technology R&D Program, National Basic Research (973) Program, National High-tech (863) Program, National Science Foundation of China(including International Cooperation and Exchange Programs, Key Program and General Program) ,National Defense Basic Scientific Research Project, Key Research Project of Ministry of Education, Beijing Natural Science Foundation, other provincial or ministerial research project and enterprise cooperation project. The lab received 1 second-class award of national science technology, 3 first-class awards of ministerial science and technology invention and 6 achievements with international advanced level. Over 400 research papers were published in national and international journals, and more than 150 papers have been cited by SCI and EI. Besides, 25 patents were applied, and among them 10 patents have been authorized

2.      Members

Professor  Yu Zuo

Professor  Jingmao Zhao

Professor  Xiaofeng Zhang

Associate Professor  Yuming Tang

Associate Professor  Xuhui Zhao

Lecture  Ruijing Jiang


3.      Research areas

(1)   Metal materials corrosion mechanism and control technology

We study the corrosion failure mechanism of materials, including steel, aluminum alloy and magnesium alloy, in various service environments, especially to understand the scientific mechanism of localized corrosion. A recent focus has been on the mechanism of the early stage of pitting corrosion, the electrochemical characteristic of the pitting corrosion process and its relationship with the corrosion process, as well as the corrosion mechanism and control technology of reinforcing steel in concrete. Funding in this area is mainly from state agencies including National Basic Research (973) Program, state science and technology support program and National Science Foundation of China.

(2)   Materials surface modification and strengthening technology

One interest in our group is to develop different surface modification and strengthening techniques so as to improve the corrosion resistance, mechanical performance of materialsor endow materials with novel functional properties. These techniques include anodic oxidation, micro arc oxidation, chemicalconversion, chemical and electrochemical deposition, electro-brush plating and magnetron sputtering.We have developed various environment friendly techniques, such as anodized film sealing and rare-earth conversion coatings with good erosion-resistance and high heat performance for aluminum alloy, and electro-brush plating for stainless steel.



(3)   Corrosion electrochemical testing technology

We particularly focus on studying the relationship between electrochemical information and corrosion process of early stage of localized corrosion, as well as the electrochemical testing technology for predicting and tracking the corrosion process. We investigate the deterioration and failure characteristics of various coatings performance in service by electrochemical impedance spectroscopy method. An engineering objective is to develop the methodology and technology for performance monitoring and lifetime prediction of anticorrosive coatings.


(4)   Coating research and development

We particularly focus on investigating and developing high performance anticorrosive antifouling coatings used on aluminum alloy and magnesium alloy surface. Especially have interest in magnesium-rich coatings system which can provide cathodic protection action on aluminum alloy and high corrosion resistance Mg-Al rich coatings for aluminum alloy in marine environment. These coatings can be used in aerospace, military and other areas.


(5)   Corrosion inhibitors for oil and gas field and water treatment agent

To solve the problems in the development of oil and gas fields, we research and develop imidazoline series corrosion inhibitors with excellent corrosion inhibition effects for CO2, H2S and CO+ H2S systems, as well as scale inhibitors and microbicides. These products have been used successfully in some oil fields in Sinopec, PetroChina and CNOOC. In addition, we develop water treatment chemicals for circulating cooling water in petroleum and petrochemical enterprises.


(6)   Materials corrosion prediction and evaluation expert system

One of our interests is to study and analyze large amounts of corrosion data and corrosion failure cases using the database technology, neural networks technology, grey system theory and probability statistics analysis. And on this basis, we develop intelligent expert system which can predict the possible corrosion rate and propose improving measures. Recently, we have developed the software ‘coating performance assessment and remaining life prediction system’ for coatings system, and software ‘corrosion prediction system’ for general corrosion and localized corrosion problem in oil and gas fields.

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