黄劲松,黄岚,张永红,刘彬,刘咏,贺跃辉,黄伯云

• 1:中南大学粉末冶金国家重点实验室
• 2:中南大学粉末冶金国家重点实验室
• 3:中南大学粉末冶金国家重点实验室
• 4:中南大学粉末冶金国家重点实验室

摘要(Abstract)：

用电子探针对Ti-45Al-7Nb-0.15B-0.7W的铸态和经过热处理之后的微观组织进行了观察,研究热处理工艺对该合金微观组织的影响。结果表明该合金的铸态组织经过热等静压和均匀化处理后,其晶团尺寸减小,片层组织更为完整;Ti-45Al-7Nb-0.15B-0.7W合金的α相转变温度在1280-1295℃之间。该合金在超过1295℃的温度进行热处理时,其微观组织由近片层组织转变为全片层组织。

关键词(KeyWords)： 热处理;TiAl;微观组织

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 黄劲松,黄岚,张永红,刘彬,刘咏,贺跃辉,黄伯云

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