彭丽军,熊柏青,解国良,洪松柏,郑国辉,王强松

• 1:北京有色金属研究总院有色金属材料制备加工国家重点实验室
• 2:鹰潭兴业电子金属材料有限公司

摘要(Abstract)：

采用XRD与TEM分析手段研究了C17200铜合金早期时效相变行为及其对合金性能的影响。结果表明,该合金固溶处理后320℃时效,时效1 h内,铍原子借助铜基体中的空位进行上坡扩散,形成富铍区,造成了(200)主峰的左侧出现了比较明显低角度边带峰。合金发生了调幅分解,沿基体的(100)面上形成了圆盘状结构的GP区。利用Daniel-Lipson公式可得出,随时效时间的延长,成分调幅波长先增大后减小;同时,GP区则不断长大,且逐渐转化成板条状的γ'相。调幅分解和γ'相的析出是合金在时效过程中强度、电导率升高的主要原因。

关键词(KeyWords)： C17200合金;时效处理;调幅分解

Abstract:

Keywords:

基金项目(Foundation): 北京市科技项目(10231103)

作者(Author): 彭丽军,熊柏青,解国良,洪松柏,郑国辉,王强松

DOI: 10.13289/j.issn.1009-6264.2013.08.011

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