Cases

Enamelled steel, a strong bond

Vitreous enamelling remains an interesting manner to protect metals against corrosion, abrasion, high temperature, etc. However, obtaining the strong link requires several competences.  It is a matter of chemistry &…

Read more

Understanding chemical adhesion

  • |

To investigate the adhesion, pull-off tests were carried out on UV-curable coatings with and without adhesion promotor. These samples were further analysed. X-ray Photoelectron Spectroscopy (XPS)  is widely used as surface…

Read more

Assess adhesion of field joint coatings

OCAS performed extensive material testing to define the limitations of the pipe coating processes under conditions such as reeling, clamping and field joint application.  In order to collect material data…

Read more

Increase coating lifetime by optimising pipe surface preparation

To improve the lifetime of 3-layer polyethylene (3 LPE) coated pipes for burried or submerged use, the pipe surface preparation procedure was evaluated by OCAS. First, the right test methodology…

Read more

Accelerating research towards a new generation of lightweight tough steels

The European funded RFCS project LIGHTOUGH aims at a profound assessment of the quaternary Fe-Mn-Al-C system to form the basis for lightweight, heavy gauge steel development. Therefore, the material properties…

Read more

Artificial neural network model predicts hardness

Artificial neural network modelling provides a way of using examples of a target function to find the coefficients that make a certain mapping function approximate the target function as closely…

Read more

High-throughput coating research

The approach, in which automated systems are used in combination with smart experimental designs, allows accelerated discovery and industrialization. The case of the development of a new UV-curable paint system…

Read more

Automated annealing complements accelerated small scale processing of metal samples

Over the past decade, OCAS invested in new methodologies and equipment for processing and characterisation of miniaturised samples. Recently, the available equipment for high-throughput annealing was complemented with an automated…

Read more

Combinatorial re-assessment of the INVAR effect in Fe-Ni-Co alloys

The INVAR effect Almost a century later, many models have been proposed on this anomolous behaviour and although there is still debate on a complete theory, it is clear that…

Read more

Quickly screen metal surfaces for corrosion protection

The OCAS scanning flow cell allows high-throughput screening of corrosion properties to identify key parameters adjusted to real-life exposure conditions. Moreover, it monitors the dissolved elements online using UV-VIS or ICP-MS.…

Read more

First symposium on combinatorial metallurgy confirms its high potential

To maintain this strategic industrial strength, it is imperative that the scientific and industrial communities continue to make new metallurgical discoveries. OCAS currently has some running projects demonstrating that combinatorial…

Read more

Enabling extreme testing conditions in a safe way

OCAS is expanding its high-pressure testing capabilities for large components. Two new testing pits have been designed and built as part of the OCAS XT (Extreme Testing) facility, making a…

Read more

Fatigue testing of large-scale welded structures made efficient

OCAS is using an in-house developed and unique technique to test full-scale jacket node geometries, manufactured using different weld methods, on their fatigue performance in an accelerated and efficient way…

Read more

Sour corrosion testing at your service

Although both HIC and SSC are hydrogen cracking phenomena in steel, the microstructural parameters that control HIC are different from those that control SSC due to the superimposed stress.  Some…

Read more

MaDurOS – a private public partnership for material durability breakthroughs in challenging operational conditions

Improved materials call for advanced testing In 2012, OCAS created a regional network between industry and academia to develop the vertical SIM (Strategic Initiative Materials) R&D program MaDurOS exploring the…

Read more

Custom-built dynamic tear test better reflects in-service conditions

To study dynamic ductile crack propagation over long distances under conditions as close as possible to in-service conditions, OCAS studies dynamic ductile crack propagation in full-thickness plates at high crack…

Read more

25th anniversary – XXL calendar story

To celebrate 25 years of OCAS, also the Finocas, I-SenS and Finindus teams joined in for this challenge. Our teams proved to be highly creative in showing their expertise! We therefore decided to…

Read more

Helping customers reach their design & engineering goals

From needs analysis to final design In the first stage, the team works with the customer to identify the customer’s needs. For example, the customer’s objective might be to reduce…

Read more

Significantly reduce the number of experimental welding tests

As OCAS and its customers are keen to predict welding issues − such as residual stresses leading to distortion, or the metallurgy of the heat-affected zone influencing the hardness −…

Read more

Predicting transformer vibrations

OCAS has gained a wide experience in advanced finite element modelling of all types of electrical machines thanks to close collaboration with customers from both automotive and industrial markets. Today’s…

Read more

Help needed for your forming processes?

Finite element simulations are widely used as it enables customers to reduce their trial-and-error time and cost. Indeed, being able to check the formability of a part already during the…

Read more

Computer simulation of pipeline burst fracture helps preventing catastrophic events

One of the most dangerous failure scenarios is associated with the pipeline running fractures, damaging long pipeline sections and resulting in rapid releases of large amounts of the inventory. For…

Read more

Microstructure-based models predict abrasion of high strength steels

Traditional constitutive mechanical material models are relied upon in many real-scale applications to tackle mechanical issues such as buckling, damage, fatigue, etc. These models are generally calibrated experimentally to reproduce…

Read more

Passing welding pre-qualification with flying colours – and in record time

  • |

Steel concept re-developedThe first step was to improve the base material. OCAS re-developed the steel concept by modifying the chemical composition and optimising the rolling schedule. The resulting 40 and…

Read more

Filling the gap

In any pipe welding project, great attention is given to guarantee in-use properties and customer specs. So, it’s also important to select the best filler wire, with the most suitable…

Read more