Additive manufacturing technologies based on melting and solidification have considerable
similarities with fusion-based welding technologies, either by electric arc or high-power …

Grain refinement of cast magnesium alloys, particularly in magnesium–aluminium (Mg–Al)
based alloys, has been an active research topic in the past two decades, because it has …

The increase in strength usually accompanies by the sacrifice of ductility in the composites.
This work proposed a strategy of design and synthesis of in-situ TiB 2 particles to effectively …

Abstract Si poisoning on Al-5Ti-B master alloys has been restraining the effectiveness of
grain refinement of hypoeutectic Al-Si casting alloys for over 60 years, and yet the …

This study shows that a eutectic Al–12Si alloy with controllable ultrafine microstructure and
excellent mechanical properties can be achieved by using selective laser melting and …

The issue of how to avoid the poisoning phenomenon of α-Al grain refinement caused by
special elements (such as Si and Zr) has always been the focus of research attention. In this …

Grain refinement is critical for fabricating high-quality Al-Si casting components in the
application of automobile and aerospace industries, while the well-known Si-poisoning …

Grain refinement not only enhances the mechanical performance of as-cast metallic
materials but also provides an effective mechanism for controlling cast defects, such as …

Tuning solidification microstructure remains a grand challenge for ceramic particles
reinforced Al-Si based composites due to adverse interactions between ceramic particles …

The mechanism underlying the grain refinement of cast aluminium by zirconium has been
studied through examination of a range of Al alloys with increasing Zr contents. Pro …