However, Fe_3Si is more effective in improving the wear resistance of the alloy than Mn_5Si_3. Al addition gives the increase in strength, but results in a significant decrease in plasticity.

• 而Fe_3Si在改善耐磨性能方面的作用比Mn_5Si_3更显著。 铝的加入可以提高合金的强度,但却导致塑性的明显降低。