李庆刚、杜宇航、孙宁、李金凯、孙孟勇、石国璞
???????,??????,????????????????Si 3 N 4????,?????????????????????????????????:????????Si3N4???????,????;????????3.0 wt%??????1700???????30 min??????30 MPa?,?????????????:??(>8.5 GPa)???(>2.8 g/cm 3 )??????,???????22.7%,??????8.11 MPa•m 1/2 ,??????????