Investigation of stone-hard-soil formation from AC corrosion of cathodically protected pipeline

A stone-hard-soil structure was observed on a metallic pipeline under cathodic protection and subject to alternating current corrosion at a coating defect. Using X-ray diffraction, energy dispersive X-ray spectroscopy, ion-chromatography and inductively coupled plasma optical emission spectroscopy, the stone-hard-soil was characterized as being enriched in NaCl. Local alkalization following the cathode reactions caused precipitation of calcite, believed to be partly responsible for the stability of the structure. Very close to the corrosion site at the epicenter, calcite and quartz was depleted, possibly owing to an extremely high pH. Formation of cementlike minerals and corrosion products is observed.

Article by:
Junker A, Belmonte LJ, Kioupis N, Vendelbo Nielsen L, Møller P.

Announcing our New Slimline Series of Remote Monitoring Devices

MetriCorr is proud to announce our new series of remote monitoring devices, which will be available for the market during 2018. The product line comprises the VL-100; a simple voltage logging device for DC and AC potentials, the VL-300; which is a three-channel voltage logger one of which being a microvolt channel, as well as an ICL-02 module with the well-known features of the original ICL-02.

With the new line of products MetriCorr addresses all arts of pipeline remote monitoring, and pre-configured sensors ensure a streamlined communication and data-dump to our WebService.

The VL-100 can now be pre-ordered, whereas the ICL- and VL-300 modules are expected to reach the market in the summer of 2018.

Please contact MetriCorr for further information:

MetriCorr to exhibit at NACE 2018

We are pleased to announce that MetriCorr will be exhibiting at the 2018 NACE Corrosion Conference in Phoenix, Arizona in April 2018.
We look forward to show casing our corrosion monitoring solution.

Visit us at our stand opposite the CP training field, Booth 1811 at the Phoenix Convention Centre 15 – 19 April 2018.
In keeping with MetriCorr’s long history of Field Proven, Research Based Technology, in addition to our booth, we will be presenting two technical papers:
• Laboratory investigation of the effect of the chemical environment on AC corrosion – Andreas Junker-Holst
• A Critical Review of Parameters for Meaningful AC Corrosion Modelling – Ernesto Santana Diaz

Register online:

Celebrating three years with Web Service

With more than 75 Customers / pipeline operators and 240 user-logins, the MetriCorr Web Service concept has proved its value to the industry. The Web Service development has been realized during a continuous dialogue between MetriCorr developers and the dedicated group of users that have shared their views and wishes. While being thankful to all contributions and ideas so far, we encourage a continuous dialogue with all present and new customers.

MetriCorr Web Service is the unique on-line tool for viewing and managing data produced by MetriCorr instrumented test stations. Get the big picture through easily configurable data tables or dive into the details and investigate the root cause for corrosion through intuitive graphic analysis of historical data by the click of the mouse.

In this video you will get a short introduction to the web service interface. Or you can find more information at the Web Service product page

New quality certification at MetriCorr

Following successful audit MetriCorr is proud to announce our certification according to ISO 9001:2015 with the following scope:

“Development, production, sales and installation of equipment for monitoring of corrosion rate and corrosion protection of metallic structures, data interpretation and services related hereto, as well as joint industry research and scientific programs.”

How does environment and PH affect AC Corrosion?

New Metricorr research on AC corrosion will be shared at NACE 2017, when Andreas Junker-Holst presents his paper entitled “Effect of chemical environment and pH on AC corrosion of cathodically protected structures”.

Come by the symposium “AC Interference, AC Induced Corrosion, Induced AC Risk Assessment, Monitoring and Mitigation” and learn more about the latest MetriCorr research.

The symposium includes technical papers on:

  • AC interferences
  • AC corrosion
  • Risk assessment of induced AC
  • Case studies on AC corrosion
  • Fault currents and monitoring

When: March 29, 10am till 5pm.
Where: Ernest N. Morial Convention Center-New Orleans – Room 220

Visit us at NACE in New Orleans, March 2017

MetriCorr is happy to welcome you in our booth at NACE Conference & Expo March 26-30, 2017 in New Orleans. We will demonstrate our latest products in relation to remote monitoring of corrosion and cathodic protection as well as our innovative Webservice for viewing, managing and analyzing data. Come by and see how we analyze corrosion risks – in particular caused by induced AC.

You will find us in Ernest N. Morial Convention Center booth no 551 right next to the NACE CP-training field.