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February 28, 2018 / Fari Mahdavi
Category: Research Update 

Publications Highlight February 2018

Over the past six months Energy Pipelines CRC researchers have published 16 scientific journal papers, 2 conference papers, 3 theses and 1 book chapter to share and exchange their ideas and findings with the scientific community. A full listing of the publications can be found on the Energy Pipelines CRC website. Summaries of two recent publications are provided below.

Does anodic transient current always cause corrosion on steel pipes?

Stray currents and other forms of electrical interference are known to affect buried pipeline cathodic protection (CP) systems. However, their actual effects on pipeline corrosion have not been fully understood and quantified due to a lack of direct experimental evidence. Research published by Energy Pipelines CRC researchers at Deakin University reveals that anodic transients do not necessarily cause steel corrosion, as long as their amplitude and duration are below the critical values. In a recent paper published in ‘Corrosion Engineering, Science and Technology’ a novel methodology developed based on an electrochemically integrated multi-electrode array has been used to visualise the dynamic effects of anodic transients on localised corrosion processes occurring on buried steel surfaces. In this work the critical anodic transient duration has been explained as the incubation period for the breakdown of passivity formed on the steel surface exposed to CP-generated high pH conditions.

Weblink: https://doi.org/10.1080/1478422X.2017.1386017

The rise of defensive engineering: how personal liability considerations impact the engineering safety decision-making

In a recent research project undertaken by the Energy Pipelines CRC researchers at RMIT University and the University of Canberra, a large group of Australian engineers who make high-stakes decisions, participated in a survey examining the impact of personal liability considerations on engineering decision-making. The analysis of this survey described in a paper published in the Journal of Risk Research shows that awareness of personal liability acts to focus the attention of many engineers on the moral dimension of their work. However, it also encourages more expensive decision-making, inhibition of innovation and professional paralysis.

The paper argues that while personal legal liability is a legitimate way to focus an engineer’s attention on the potential impact of their work, a problem arises when decision-makers are held responsible for disasters over which they had little control. This can shift the focus to ‘defensive engineering’ practices that are aimed at limiting individual liability rather than disaster prevention. Legal processes that are seen to unfairly allocate blame do not encourage practices that support future disaster prevention.

Weblink: https://doi.org/10.1080/13669877.2017.1391319

If you wish to obtain more details on above research and publications please do not hesitate contact Fari Mahdavi


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