测试Ti-10Cr合金经900 ℃固溶及400～700 ℃时效后的维氏硬度,采用XRD和TEM分析析出相的成分及形貌,研究硬度、析出相特征与热处理制度之间的关系.结果表明:经900 ℃固溶空冷后,析出相为细小、弥散的等轴ω相和少量α相,合金硬度达到HV560;经400 ℃时效后,ω相和α相长大,合金硬度值稍有下降;经500 ℃时效后,ω相消失,α相长大为片状,合金硬度明显降低;当继续升高时效温度时,片状α相会进一步长大,合金的硬度缓慢降低.
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