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This study aims to evaluate and assess the elastoplastic properties of Ti-6Al-4V alloy manufactured by Arcam Q20 Plus electron beam melting (EBM) machine by a tensile test campaign and micro computerized tomography (microCT) imaging.

ASTM E8 tensile test specimens are designed and manufactured by EBM at an Arcam Q20 Plus machine. Surface quality is improved by machining to discard the effect of surface roughness. After surface machining, hot isostatic pressing (HIP) post-treatment is applied to half of the specimens to remove unsolicited internal defects. ASTM E8 tensile test campaign is carried out simultaneously with digital image correlation to acquire strain data for each sample. Finally, build direction and HIP post-treatment dependencies of elastoplastic properties are analyzed by F-test and t-test statistical analyses methods.

Modulus of elasticity presents isotropic behavior for each build direction according to F-test and t-test analysis. Yield and ultimate strengths vary according to build direction and post-treatment. Stiffness and strength properties are superior to conventional Ti-6Al-4V material; however, ductility turns out to be poor for aerospace structures compared to conventional Ti-6Al-4V alloy. In addition, micro CT images show that support structure leads to dense internal defects and pores at applied surfaces. However, HIP post-treatment diminishes those internal defects and pores thoroughly.

As a novel scientific contribution, this study investigates the effects of three orthogonal build directions on elastoplastic properties, while many studies focus on only two-build directions. Evaluation of Poisson’s ratio is the other originality of this study. Furthermore, another finding through micro CT imaging is that temporary support structures result in intense defects closer to applied surfaces; hence high-stress regions of structures should be avoided to use support structures.

Insurance in Malta has been very largely influenced by English practice and law. The influence of the English market insurance practice and law not only shaped the Maltese market but practically that of all common law jurisdictions in former members of the British empire. Since the London insurance market continues to be a very dominant force globally until today, the connection has undoubtedly served Malta well.

The origins of UK insurance principles of utmost good faith and insurable interest under contract law, date back to times which were very different from today and the need to revise the laws has now been felt in the UK as well as in other jurisdictions which were influenced by its law and practice. In Malta, minimal legislative intervention and the Maltese courts were and continue to be mostly guided by English case law, some of which has now been superseded by the updated statute law which was recently introduced in the UK by virtue of the Consumer Insurance (Disclosure and Representations) Act (2012) and Insurance Act (2015).

We herein lay out a case study of the development of utmost good faith and insurable interest in insurance contracts within the Maltese legal context, based on empirical literature findings and semi-structured interviews together with several legal experts who are specialized in the field and experienced insurance professionals.