Cases

Instrumented DCB testing now available

Double cantilever beam (DCB) testing is one of the NACE SSC tests, with the advantage that it provides a quantitative value and not just a “pass or fail” statement. OCAS…

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Linking NACE test results to H-pick up and permeation in the presence of H2S

To understand the effect of sour conditions on the embrittlement phenomena during NACE testing, permeation measurements in H2S environment have been installed and validated at OCAS. Now that the methodology…

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Using deuterium to assess hydrogen trapping

Using deuterium as hydrogen tracer is a powerful technique for assessing hydrogen pick-up during industrial processes. It provides OCAS with key knowledge on the hydrogen absorption behaviour and how to avoid…

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Towards 3D-nano chemical analysis

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Time of Flight Secondary Ions Mass Spectroscopy (TOFSIMS) is a surface sensitive characterisation technique  providing “clean” molecular information of a solid sample with high mass resolution, high lateral (< 200…

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Indispensable micro-analytical instruments for metal alloy development

State-of-the art scanning transmission electron microscopy  (STEM) is an advanced characterization tool dedicated to analyse sample morphology, structure and chemical composition with the capability of atomic resolution imaging and chemical…

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Introducing higher strength steels to improve safety of blast barriers on offshore platforms

Blast panels are integral structures in offshore topside modules to protect personnel and safety critical equipment by preventing the escalation of events due to hydrocarbon explosions. As such, blast panels…

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Computer simulation of pipeline burst fracture helps preventing catastrophic events

It is widely accepted that economically viable long-distance onshore transportation of large quantities of gases and liquids in petrochemical industry and, recently, carbon dioxide (CO2) in Carbon Capture and Sequestration…

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Increase coating lifetime by optimising pipe surface preparation

Coatings or adhesive bonded systems are used in different environments, for various applications. All have been designed and developed for a specific lifetime. As such, adhesion is a critical link.

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Enabling extreme testing conditions in a safe way

Pressure-containing equipment such as pipelines, risers, valves, fittings and pressure vessels are often subject to complex loading conditions during their service life. Extreme testing conditions are required to accurately reproduce…

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Fatigue testing of large-scale welded structures made efficient

The shift to deeper waters and larger wind turbine generators requires optimised jacket foundations. Through a better understanding and accelerated testing of a large number of manual and automatic welded…

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Enamelled steel, a strong bond

Vitreous enamelling has been acknowledged for centuries as one of the most durable ways to protect metals against abrasion, temperature and corrosion. In recent years, driven by ever-stricter environmental legislation,…

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Understanding chemical adhesion

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Using an adhesion promotor to achieve the desired result can only be successful when fully understanding the surface properties of the system.

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Assess adhesion of field joint coatings

Coated pipes for offshore field joint coatings are submitted to reeling, clamping and field joint application. These processes might induce cracks in the coating due to tensile and shear stress.

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Accelerating research towards a new generation of lightweight tough steels

Triggered by environmental issues, the market has an interest in product development of lightweight heavy gauge steels (t ≥ 5 mm), mainly for other than automotive applications. In view of…

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Artificial neural network model predicts hardness

Artificial neural network modelling is a non-linear statistical analysis technique that links input data to output data using a particular set of non-linear functions. Especially for alloys which have no…

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High-throughput coating research

High-throughput research for developing new coatings or testing and modelling corrosion properties has many advantages. High-throughput technologies allow for rapid, intelligent, parallel experimentation, increasing the productivity of R&D by orders…

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Automated annealing complements accelerated small scale processing of metal samples

High-throughput methodologies require flexible equipment to achieve accelerated small scale processing.

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

Since the discovery at the end of the 19th century of low expansion Fe-Ni alloys by Charles Guillaume, these alloys have triggered a lot of breakhtrough material science research. In…

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Quickly screen metal surfaces for corrosion protection

Corrosion protection is of utmost importance for steel research. This protection is commonly obtained by coating the steel. To screen the electrochemical and dissolution properties of newly developed coatings, the…

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First symposium on combinatorial metallurgy confirms its high potential

Metals and alloys have influenced human life so profoundly that without them the modern world would be inconceivable and could not function successfully. The study of metallurgy is the oldest…

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Sour corrosion testing at your service

An increasing number of wells contain considerable amounts of hydrogen sulphide H2S. This requires the use of sour resistant steel, to avoid phenomena such as hydrogen-induced cracking (HIC) and sulphide-stress…

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

The offshore environment puts severe durability requirements on materials. One of its main inherent characteristics is that material is often exposed to several environmental conditions simultaneously: corrosive environment, fatigue loading,…

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

The structural integrity of many industrial structures is generally ensured by preventing the initiation of cracks. However, in the field of pipeline industries, the problem of fast crack propagation and…

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25th anniversary – XXL calendar story

For OCAS's 25th anniversary, each team was challenged to present their expertise in an original manner.

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Helping customers reach their design & engineering goals

OCAS has a long standing track record in conducting co-engineering projects with customers in a wide variety of market segments, including agricultural machinery, transportation, heating ventilation and air conditioning, and…

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