The mixed sintering aid MgO &AlPO_4 can enhance the strength of sintered samples with a low density. Although the relative density is as low as 63.61%, the bending strength stays above 89MPa.

• 以MgO与AlPO_4作复合烧结助剂；可以显著提高低致密度烧结体的力学性能；当材料的致密度为631.；61%25时；材料的抗弯强度仍然可达89MPa以上。