Use of Precracked Specimens in Selecting Heat Treatments for Stress Corrosion Resistance in High Strength Aluminum Alloys

Abstract UNILOY 326 is a two-phase, ferromagnetic stainless steel characterized by high strength and very good general and stress corrosion resistance. It has distinct advantage for the fastener industry. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-241. Producer or source: Cyclops.

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Hydrogen Induced Cracking and Sulphide Stress Corrosion Resistance of High Strength Line Pipe Steels for Sour Gas Application

Innovations in Corrosion and Materials Science (Formerly Recent Patents on Corrosion Science) ◽

10.2174/2352094906666160922143127 ◽

2017 ◽

Vol 7 (1) ◽

pp. 52-61

Author(s):

Pandurangan Saravanan ◽

Srikanti Srikanth ◽

Bhawna Khalkho ◽

Chinnaswamy Muthuswamy ◽

Atul Saxena

Keyword(s):

Corrosion Resistance ◽

Stress Corrosion ◽

High Strength ◽

Pipe Steels ◽

Line Pipe ◽

Hydrogen Induced Cracking ◽

Stress Corrosion Resistance ◽

Sour Gas

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Surface Modification of Aluminum 6061-O Alloy by Plasma Electrolytic Oxidation to Improve Corrosion Resistance Properties

Coatings ◽

10.3390/coatings11010004 ◽

2020 ◽

Vol 11 (1) ◽

pp. 4

Author(s):

Dmitry V. Dzhurinskiy ◽

Stanislav S. Dautov ◽

Petr G. Shornikov ◽

Iskander Sh. Akhatov

Keyword(s):

Corrosion Resistance ◽

Aluminum Alloy ◽

Aluminum Alloys ◽

Plasma Electrolytic Oxidation ◽

Electrochemical Impedance ◽

High Strength ◽

Electrolytic Oxidation ◽

Coating Layers ◽

Plasma Electrolytic ◽

High Strength Aluminum Alloys

In the present investigation, the plasma electrolytic oxidation (PEO) process was employed to form aluminum oxide coating layers to enhance corrosion resistance properties of high-strength aluminum alloys. The formed protective coating layers were examined by means of scanning electron microscopy (SEM) and characterized by several electrochemical techniques, including open circuit potential (OCP), linear potentiodynamic polarization (LP) and electrochemical impedance spectroscopy (EIS). The results were reported in comparison with the bare 6061-O aluminum alloy to determine the corrosion performance of the coated 6061-O alloy. The PEO-treated aluminum alloy showed substantially higher corrosion resistance in comparison with the untreated substrate material. A relationship was found between the coating formation stage, process parameters and the thickness of the oxide-formed layers, which has a measurable influence on enhancing corrosion resistance properties. This study demonstrates promising results of utilizing PEO process to enhance corrosion resistance properties of high-strength aluminum alloys and could be recommended as a method used in industrial applications.

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