Steel Corrosion

Corrosion Behaviour of Ni-Cr Alloys in Oxygen at High Temperature

[vc_row][vc_column][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf545d605d” show_label=”yes” el_class=” “][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf51dd605c” show_label=”yes”][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf568d605e” show_label=”yes”][/vc_column][/vc_row][vc_row][vc_column][vc_column_text] Abstract To meet an increased energy demand, it is necessary to increase steam turbine operating temperature of coal-fired power plant from conventional practice of 540°C to ultra/advanced ultra-supercritical practice over 700°C. Because of this temperature increase, traditional ferritic/martensitic and austenitic steels cannot survive. […]

The study of water-line corrosion in static and dynamically flowing electrolytes using multi-electrode sensor in combination with electrical resistance method

[vc_row][vc_column][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf545d605d” show_label=”yes” el_class=” “][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf51dd605c” show_label=”yes”][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf568d605e” show_label=”yes”][/vc_column][/vc_row][vc_row][vc_column][vc_column_text] Abstract In this work, a new sensor system was developed based on an integrated multi-electrode technique in conjunction with an electrical resistance (ER) method. This new method has allowed galvanic currents flowing among the multi-electrodes and the total metal loss simultaneously measured. On […]

No one cares about the paint – a specifier’s perspective

[vc_row][vc_column][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf545d605d” show_label=”yes” el_class=” “][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf51dd605c” show_label=”yes”][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf568d605e” show_label=”yes”][/vc_column][/vc_row][vc_row][vc_column][vc_column_text] Abstract This presentation will light-heartedly discuss topics to specifically address issues that are of interest to protective coating manufacturers and will offer a unique insight into the inner workings of large engineering firms with respect to materials selection and the preparation of protective […]

Recent Progresses in Understanding Pipeline Coating Degradation

[vc_row][vc_column][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf545d605d” show_label=”yes” el_class=” “][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf51dd605c” show_label=”yes”][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf568d605e” show_label=”yes”][/vc_column][/vc_row][vc_row][vc_column][vc_column_text] Abstract The durability and performance of organic coatings, which are widely used for mitigating corrosion of high pressure oil, gas and water pipelines, are known to be affected by cathodic protection (CP), mechanical stress and the corrosive environment. This paper presents our research […]

The role of bacteria in under-deposit corrosion in oil and gas facilities: A review of mechanisms, test methods and corrosion inhibition

[vc_row][vc_column][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf545d605d” show_label=”yes” el_class=” “][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf51dd605c” show_label=”yes”][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf568d605e” show_label=”yes”][/vc_column][/vc_row][vc_row][vc_column][vc_column_text] Abstract Under deposit corrosion (UDC) has been identified as a phenomenon responsible for many operation failures, representing a threat to pipelines integrity and seawater injection systems. Despite the recent efforts to define the effects of deposits on corrosion of steel surfaces and their […]

Effect of Sample Preservation on the Diversity Profile Assessment of Oilfield Microbial Communities

[vc_row][vc_column][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf545d605d” show_label=”yes” el_class=” “][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf51dd605c” show_label=”yes”][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf568d605e” show_label=”yes”][/vc_column][/vc_row][vc_row][vc_column][vc_column_text] Abstract Microbiological surveys play a fundamental role in diagnosing and monitoring microbiologically influenced corrosion (MIC) threat in oil and gas systems. In the last decades, the microbiological characterization has been mostly carried out by the implementation of traditional growth-based techniques. However, with advances […]

Long-term corrosion of steel chains on pacific ocean beach sand

[vc_row][vc_column][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf545d605d” show_label=”yes” el_class=” “][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf51dd605c” show_label=”yes”][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf568d605e” show_label=”yes”][/vc_column][/vc_row][vc_row][vc_column][vc_column_text] Abstract The corrosion of steel exposed to seawater and sand is of interest to the offshore industry for oil production and wind farm caisson or platform mooring systems, and also for assessing the deterioration of shipwrecks. Very few data are available, particularly for […]

New NZ Steel Durability Standard

[vc_row][vc_column][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf545d605d” show_label=”yes” el_class=” “][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf51dd605c” show_label=”yes”][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf568d605e” show_label=”yes”][/vc_column][/vc_row][vc_row][vc_column][vc_column_text] Abstract This new Technical Specification, ‘Durability requirements for steel structures and components’ (SNZ TS 3404:2018) was prepared by Standards New Zealand to give a means of compliance with the durability requirements of the NZ Building Code Clause B2 and the NZ Transport Agency’s […]

Formulation of VOCs Free Surface Tolerant Anti-corrosion Coatings by Epoxy-Thiokol Copolymer

[vc_row][vc_column][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf545d605d” show_label=”yes” el_class=” “][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf51dd605c” show_label=”yes”][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf568d605e” show_label=”yes”][/vc_column][/vc_row][vc_row][vc_column][vc_column_text] Abstract Common commercial epoxy resin diglycidyl ether of bisphenol A or DGEBA was modified by liquid Thiokol with various ratio under different reaction conditions. A series of epoxy-thiokol copolymers were synthesized and applied as main binder in formulation of VOCs free or solvent […]

Atmospheric Corrosion of Mild Steel in a Desert Environment

[vc_row][vc_column][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf545d605d” show_label=”yes” el_class=” “][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf51dd605c” show_label=”yes”][vc_acf field_group=”3279″ field_from_3279=”field_5b7cf568d605e” show_label=”yes”][/vc_column][/vc_row][vc_row][vc_column][vc_column_text] Abstract Atmospheric corrosion surveys have been extensively conducted and published for urbanised and rural conditions but relatively few results have been reported for moderate terms in desert environments. This paper describes results from a site in far-western Queensland for over seven years. Corrosion […]