On the in situ encapsulation of MoSi2B healing particles in YSZ TBCs: Self-healing of thermal barrier coatings (TBCs)

A novel method to encapsulate MoSi2B healing particles was explored via in situ shell formation in yttria-stabilised zirconia thermal barrier coatings (YSZ-BCs). The shell formation was analysed for MoSi2B healing particles alloyed with 2, 6 and 12 wt% Al. According to oxidation kinetics study at 1100˚C using thermogravimetry, MoSi2B-12 wt% Al...

Microstructual evolution of a dual phase steel during continuous annealing

With a combination of high strength and good formability, dual-phase steels have gained much interest in the automobile industry. The final microstructure, which leads to mechanical properties of the product, is strongly dependent on the processing of the steel. Apart from hot-rolling and cold-rolling, the parameters during continuous annealing...

Influence of pulsed laser ablation on carbon steel surface properties for adhesion

To reduce the cycle times required for grit blasting prior to the application of an epoxy coating on the pipelay vessel an alternative method for the surface preparation is required. The method should be effective in material removal and ensure perfect adhesion of the organic coating to the carbon steel surface. In this study, a well-established...

Assessing the use of Circumferentially Notched Tension specimen for fracture toughness determination of ductile offshore steels

The Circumferentially Notched Tension (CNT) specimen is a potential candidate for determining the fracture toughness of highly constrained cracks, theoretically approaching plane strain conditions, even for small test specimen dimensions. This research aims to experimentally evaluate the use of the CNT test specimen geometry to fracture...