铼对单晶高温合金γ、γ'相的影响

钢铁研究学报, 2007, 19(6): 61-64.

1.北京航空材料研究院先进高温结构材料国防科技重点实验室,北京,100095

2.北京航空材料研究院先进高温结构材料国防科技重点实验室,北京,100095

3.北京航空材料研究院先进高温结构材料国防科技重点实验室,北京,100095

4.北京航空材料研究院先进高温结构材料国防科技重点实验室,北京,100095

5.北京航空材料研究院先进高温结构材料国防科技重点实验室,北京,100095

6.北京航空材料研究院先进高温结构材料国防科技重点实验室,北京,100095

Influence of Rhenium on γ and γ' Phase in Single Crystal Superalloys

以DD6合金为基础,适当调整铼含量,浇注出4种不同铼含量的单晶合金.通过对标准热处理后合金试样扫描电镜和透射电镜的观察、测量和分析,研究了铼含量对热处理合金γ、γ'相尺寸、分布、体积分数以及合金元素在两相间的分配行为的影响.结果表明,铼对上述各因素的影响显著.

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