Effect of the surface treatment of hollow micro balls used as foaming agent on improving wettability with molten Al and increasing porosity and pore uniformity has been experimentally studied.

• 实验研究了作为发泡剂的空心微珠经表面处理后对改善与铝液的润湿性，提高发泡铝合金空隙率和空隙均匀度的作用。