Chromate-free corrosion protection strategies for magnesium alloys—a review: PART I—pre-treatment and conversion coating

B Vaghefinazari, E Wierzbicka, P Visser, R Posner… - Materials, 2022 - mdpi.com
Corrosion protection systems based on hexavalent chromium are traditionally perceived to
be a panacea for many engineering metals including magnesium alloys. However, bans and …

Organic conversion coatings for magnesium and its alloys

VS Saji - Journal of Industrial and Engineering Chemistry, 2019 - Elsevier
The currently employed inorganic conversion coatings are unattractive and their use is
restricted due to toxicity, non-biodegradability and high cost. Conversion coatings based on …

Accelerating phosphating process via hydrophobic MXene@ SA nanocomposites for the significant improvement in anti-corrosion performance of plain carbon steel

X Huang, Q Weng, Y Chen, L Zhang, X Sheng - Surfaces and Interfaces, 2024 - Elsevier
In this study, MXene was functionalized with stearic acid (SA) to prepare a bifunctional nano-
accelerator (AMX) with phosphating acceleration and hydrophobic modification for low …

One-step in situ synthesis of graphene oxide/MgAl-layered double hydroxide coating on a micro-arc oxidation coating for enhanced corrosion protection of …

Y Chen, L Wu, W Yao, Z Zhong, Y Chen, J Wu… - Surface and Coatings …, 2021 - Elsevier
The preparation of excellent anti-corrosion coatings is necessary for practical large-scale
applications. In this study, a micro-arc oxidation (MAO) coating was prepared on the AZ31 …

Designing for the chemical conversion coating with high corrosion resistance and low electrical contact resistance on AZ91D magnesium alloy

G Duan, L Yang, S Liao, C Zhang, X Lu, Y Yang… - Corrosion …, 2018 - Elsevier
The designing idea for the chemical conversion coating with high corrosion resistance (CR)
and low electrical contact resistance (ECR) on AZ91D Mg alloy was presented. The main …

Alternative conversion coatings to chromate for the protection of magnesium alloys

S Pommiers, J Frayret, A Castetbon, M Potin-Gautier - Corrosion Science, 2014 - Elsevier
Abstract Chromium Conversion Coatings (CCCs) are widely used for the protection of
magnesium alloys against the corrosion but this approach is limited due to the toxicity of …

The sandwich-like structures of polydopamine and 8-hydroxyquinoline coated graphene oxide for excellent corrosion resistance of epoxy coatings

Y Chen, B Ren, S Gao, R Cao - Journal of colloid and interface science, 2020 - Elsevier
A novel sandwich-like structure material was exploited for the fabrication of an effective
corrosion resistance system. An environmentally friendly composite material was …

Effect of phosphating solution pH value on the formation of phosphate conversion coatings for corrosion behaviors on AZ91D

H Du, X Ren, D Pan, Y An, Y Wei, X Liu, L Hou… - … Composites and Hybrid …, 2021 - Springer
In this paper, the pH value effect of phosphating solution on the formed phosphate
conversion coatings (CCs) has been studied for the corrosion behavior of AZ91D. The …

Effects of combined organic and inorganic corrosion inhibitors on the nanostructure cerium based conversion coating performance on AZ31 magnesium alloy …

E Saei, B Ramezanzadeh, R Amini, MS Kalajahi - Corrosion Science, 2017 - Elsevier
Magnesium (Mg) AZ31 samples were chemically treated by a series of room temperature
nanostructure cerium based conversion coatings containing Mn (NO 3) 2· 4H 2 O, Co (NO 3) …

Enhanced corrosion performance of magnesium phosphate conversion coating on AZ31 magnesium alloy

N Van Phuong, M Gupta, M Sungmo - Transactions of Nonferrous Metals …, 2017 - Elsevier
Magnesium phosphate conversion coating (MPCC) was fabricated on AZ31 magnesium
alloy for corrosion protection by immersion treatment in a simple MPCC solution containing …