  High-velocity microparticle impacts are relevant to many fields from space
exploration to additive manufacturing and can be used to help understand the
physical and chemical behaviors of materials under extreme dynamic conditions.
Recent advances in experimental techniques for single microparticle impacts
have allowed fundamental investigations of dynamical responses of wide-ranging
samples including soft materials, nano-composites, and metals, under strain
rates up to 108 s-1. Here we review experimental methods for high-velocity
impacts spanning 15 orders of magnitude in projectile mass and compare method
performances. This review aims to present a comprehensive overview of
high-velocity microparticle impact techniques to provide a reference for
researchers in different materials testing fields and facilitate experimental
design in dynamic testing for a wide range of impactor sizes, geometries, and
velocities. Next, we review recent studies using the laser-induced particle
impact test platform comprising target, projectile, and synergistic
target-particle impact response, hence demonstrating the versatility of the
method with applications in impact protection and additive manufacturing. We
conclude by presenting the future perspectives in the field of high-velocity
impact.
