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材料工程  2008 

单晶高温合金DD6拉伸性能各向异性

, PP. 6-10

Keywords: 单晶高温合金,DD6,拉伸性能,各向异性

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Abstract:

研究了[001],[011],[111]取向第二代单晶高温合金DD6的拉伸性能与断口组织.结果表明DD6单晶高温合金存在拉伸各向异性,850℃以上[001]取向DD6单晶高温合金的抗拉强度与屈服强度分别高于[011],[111]取向合金的强度,[001],[011],[111]取向DD6单晶高温合金的拉伸断口具有类解理断裂与韧窝断裂的特征.

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