Impact sound synthesis method is given based on a ball-plate collision model, to synthesize impact sounds coming from arbitrary material plates. The impact sound synthesis method for any virtual material is given in the two-dimensional perception space, through interpolation functions among aluminum, glass and wood. Two subjective evaluation experiments are designed and carried out in this study. The effect of the using of synthetic sound and recording for material identification is studied in Experiment 1. The sound continua are synthesized with varied material properties, and corresponding material control strategies are evaluated by Experiment 2. The results show that listeners can identify materials of plates better using synthetic sounds in comparison to recordings, and the material identification results has the same variation trend with damping, thus the validity of the impact sound synthesis method is confirmed.