A Chromate-Free and Convenient Route to Fabricate Thin and Compact Conversion Coating for Corrosion Protection on LZ91 Magnesium Alloy [PDF]
Nanomaterials, 2022 This study characterizes and determines the corrosion resistance of Mn-Ce conversion coated LZ91 magnesium alloy that undergoes pretreatments. It is challenging to process large and curved workpieces in the industry because the geometric shapes are ...
Chun-Wei Chen +5 more
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Vanadium and Tannic Acid-Based Composite Conversion Coating for 6063 Aluminum Alloy [PDF]
Frontiers in Materials, 2021 In this study, a vanadium (V) and tannic acid-based composite conversion coating (VTACC) was prepared on 6063 aluminum alloy (AA6063) to increase its corrosion resistance.
Wen Zhu +11 more
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Effect of the pH Value of Phosphating Solution on the Formation and Corrosion Resistance of Phosphate Conversion Coating on the Surface of AZ91D Magnesium Alloy [PDF]
Cailiao Baohu, 2022 For further revealing the effect of pH value on the formation of conversion coating on magnesium alloy surface, the formation mechanism of phosphate chemical conversion coating on AZ91D magnesium alloy surface was studied, and the influence of the pH ...
AN Yanli, LIU Miaomiao, DU Huayun
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Preparation and Corrosion Behavior of Ti - Zr Conversion Coating on the Surface of Aluminum Alloy [PDF]
Cailiao Baohu, 2021 In order to further improve the corrosion resistance of aluminum alloy, Ti - Zr conversion coatings were prepared on LY12 aluminum alloy, using H2TiF6 and H2ZrF6 as main film - forming agents and sodium hexametaphosphate as auxiliary film -
QIAN Xu - zheng, LIU Lian, HUANG Feng, LIN Yu - ping, WANG Li - ming, WANG Bei - ji
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Evaluation of Conversion Coatings Without Hexavalent Chromium for Aerospace and Defense Applications [PDF]
Journal of Aerospace Technology and Management, 2022 Conversion coatings containing hexavalent chromium are currently used in aerospace and defense manufacturing on various aluminum alloys to provide corrosion protection and enhanced adhesion of subsequent coatings.
Gregory Morose +3 more
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Self-Healing Properties of Titanium/Zirconium/Vanadium Composite Conversion Coating on Surface of Aluminum Alloy [PDF]
Cailiao Baohu, 2021 In order to investigate the self-healing properties of the titanium/zirconium/vanadium composite conversion coatings,the microstructure,composition and structure of the titanium/ziconium/vanadium composite conversion coating were investigated by using ...
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Journal of Materials Research and Technology, 2021 A strongly acidic permanganate conversion coating solution containing 0.1 M KMnO4 at pH 1.5 adjusted with H2SO4 was employed for LZ91 magnesium-lithium alloy, realizing the formation of a thin protective coating with a low electrical contact resistance ...
Sung-Mao Hung +4 more
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International Journal of Electrochemical Science, 2021 A green phytic acid film was prepared on the steel surface before the natural garlic extract was used for the post-treatment of the conversion coating.
Yong Lu, Huixia Feng, Haidong Xu
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Effect of Chemical Conversion Treatment by Adding Rare Earth Oxide in Ultrasonic Environment on the Corrosion Resistance of AZ31 Magnesium Alloy [PDF]
Cailiao Baohu, 2022 In order to improve the corrosion resistance of AZ31 magnesium alloy, a chemical conversion coating was prepared on the surface of AZ31 magnesium alloy by adding an appropriate amount of rare earth oxide (ie, cerium oxide and lanthanum oxide respectively)
RAN Xiao - xiao, XIAO Fei - yan, LIU Jing, XIANG Qing, YANG Feng
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Metals, 2022 This paper aimed to develop synchronous chemical conversion coating on multi-metal substrates with good corrosion resistance to meet the primer process of new energy light vehicle bodies.
Wen Zhan +7 more
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