The main reasons are the forming of eutectoid structure, the increase of the phase interfaces, the enhance of the plastic deformation resistance, as well as the increase of the hard particles.
这是因为该复合材料中形成了共析组织，且相界面增多，塑性变形抗力增大，硬质点数量增多。
The main reasons are the forming of eutectoid structure, the increase of the phase interfaces, the enhance of the plastic deformation resistance, as well as the increase of the hard particles.
这是因为该复合材料中形成了共析组织，且相界面增多，塑性变形抗力增大，硬质点数量增多。
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