离心铸造Al—Fe—Si自生梯度功能材料韧脆变化的分形度量

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用离心铸造法制备了一定意义下的Al-Fe-Si自生梯度功能材料.用分形方法测算所获梯度功能材料断口的分形参数H,用以度量材料截面上韧脆特性的变化.
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