采用无压成型工艺制备了2D-Cf/SiC及复杂构件.结果表明:复合材料弯曲强度达到328MPa,断裂韧度达到14.9 MPa·m1/2,层间剪切强度达到35.9 MPa,同时材料也具有很好的高温抗氧化性能.利用本工艺制备了某型号发动机的尾喷管,并成功通过了应用部门的试车考核.
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