Galvanic Corrosion and Dissimilar Metals Emmanual Pimentel One of the challenges in designing steel structures or any metallic article is the problem of galvanic corrosion. Basically, this is the risk of dissimilar metals being in physical contact and bridged by an electrolyte in a corrosive environment. The design of structures utilising dissimilar metals and other...
7th August 2013Corrosion Management at the Port of Newcastle Dr. Luke Menefy & Dr.Kingsley Opoku, SMEC Scott Bacon, Newcastle Port Corporation Newcastle Port Corporation is directly responsible for the operations and maintenance of 11 multi-user berths and associated infrastructure within the Port of Newcastle. In accordance with their asset management strategy NPC commissioned a condition assessment of...
7th August 2013Fremantle Ports – Protecting the Unseen Craig Hutchinson, Innovative Corrosion Management Pty Ltd Dario Vallini, Fremantle Ports In May 1897 Fremantle Ports’ Inner Harbour was officially opened bringing increased trade into Western Australia. One hundred and fourteen years later in 2011, the Port saw 26 million mass tonnes of trade pass through its facilities at a value...
11th September 2012Protective Organic Coatings – An Introduction Emmanuel Pimentel Painting is the application of a liquid coating to a material to protect it. It is considered the oldest method of corrosion control and certainly the most recognisable to people outside the corrosion protection field. Painting’s simple premise – the application of a protective film to protect...
7th August 2012Protecting the Protection: What can Patent Filing Trends Tell us About Technology Trends in Corrosion Treatments? 20,000 global patent families (containing 60,000 patents in total) filed in the area of corrosion management in the last decade were reviewed as a guide to trends in corrosion technology. Annual patent filings grew from around 1500 to around...
7th August 2012Mild Steel Pipeline Weld Corrosion This article is based on a presentation by Igor Chaves of the 2012 ACA Road Show Seminars. Welding is widely recognized as a powerful and reliable technique for the construction industry and for infrastructure. Most of these involve the use of mild and low alloy steels and they can be...
7th August 2012Loy Yang Chimney Cappings The stainless steel flue cappings on top of one of the main exhaust stacks at Victoria’s largest Power Station Loy Yang Power were suffering from extremely corroded cappings stiffeners and windshields. Absafe Pty Ltd. won a select tender to complete this work to Loy Yang Power’s specification. This required significant welding...
7th August 2012Swansea Bridge Rehabilitation Mohammad Ali, GHD Swansea bridge, constructed circa 1989, is a high profile opening bridge on the Pacific Highway at Swansea, NSW (refer Figure 1). Due to harsh marine exposure, the bridge substructure elements have suffered from reinforcement corrosion induced deterioration. A long life and environmentally sustainable rehabilitation option was required to be...
7th August 2012