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 …

Lightweight aluminum (Al) alloys have been widely used in frontier fields like aerospace and
automotive industries, which attracts great interest in additive manufacturing (AM) to process …

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 …

Al–Ti–C master alloy has been known as an efficient grain refiner for a series of Al alloys
since 1950s. However, the grain refinement mechanism is still not fully elucidated up to now …

Composite micro-alloying is an important technique for developing cost-effective, high-
performance aluminum alloys. Here, the effect of combined addition of Zr, Ti and rare-earth …

Al-Ti-B based master alloys have been widely used for grain refining of Al-alloys in industry
for many decades. However, the effectiveness of such grain refiners is severely …

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 …

Aluminum alloys are attractive for a number of applications due to their high specific
strength, and developing new compositions is a major goal in the structural materials …

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

The mechanism underlying the considerable refinement of primary Al 3 Ti intermetallic
particles induced by ultrasonic treatment (UST) in an Al-0.4 wt% Ti alloy in the fully liquid …