另外，合金时效后期易产生不连续沉淀，导致合金的强度、抗腐蚀性等性能大大降低。
In addition, discontinuous precipitation often occurs in the later stage during aging, which caused the sharp decrease of many properties including strength and corrosion resistance.
增强体的加入既能加速时效前期沉淀析出又可加快时效后期复合材料的软化，但不改变基体沉淀相的析出顺序，而只影响其析出速度。
Addition of mullite short fibre can accelerate precipitation in early aging stage and speed up composite's soften rate in later aging stage, but not alter the precipitation sequence in matrix.
增强体的加入既能加速时效前期沉淀析出又可加快时效后期复合材料的软化，但不改变基体沉淀相的析出顺序，而只影响其析出速度。
Addition of mullite short fibre can accelerate precipitation in early aging stage and speed up composite's soften rate in later aging stage, but not alter the precipitation sequence in matrix.
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