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材料工程  2009 

浇注温度对DD6单晶高温合金凝固组织的影响

, PP. 43-46

Keywords: 浇注温度,单晶高温合金,DD6,凝固组织

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Abstract:

研究了浇注温度对第二代单晶高温合金DD6凝固组织的影响。结果表明,随着浇注温度的降低,DD6合金的一次枝晶间距稍有增加,枝晶干与枝晶间γ′相尺寸略有增大,γγ-′共晶相尺寸增加,共晶含量略有减少,合金中主要元素偏析明显减轻。

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