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 …

Powder-based additive manufacturing (AM) is revolutionizing the fabrication of advanced
engineering metallic materials, including aluminium (Al) alloys, which are the workhorse …

Considerable studies on metal selective laser melting (SLM) have proved the necessity to
refine microstructure parts fabricated by SLM in order to eliminate property anisotropy, hot …

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 …

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 to surpassing the bottlenecks of inherent hot tearing of high-
strength aluminum alloys fabricated by additive manufacturing (AM). In this study, a …

Metal additive manufacturing offers a tool to bring formerly unmanufacturable, geometrically
complex, engineered structures into existence. However, considerable challenges remain in …

A superior anti Si-poisoning Al-Ti-Nb-B refiner with Ti: Nb= 1: 4 and M: B= 8: 1 (M= Ti, Nb)
was developed by a comprehensive data screening on the Al-10Si/Al-Ti-Nb-B system with …

Grain refinement of Zr–containing Al alloys has attracted extensive attention for many years
in both industry and academia, since “Zr–poisoning” phenomenon always happens when …

The refinement of Al alloys by TiB 2 has been extensively investigated for decades, both in
industry and academia. In order to achieve higher grain refinement potency, it is known that …