Al-Li合金回火相变有序化与调幅分解共存现象X射线衍射研究

1.长春工业大学,长春,130012

2.空军长春飞行学院,长春,130020

3.中科院长春应用化学研究所,长春,130022

4.长春工业大学,长春,130012

X-ray Diffraction Examination on the Coexistence Phenomenon of Ordering and Amplitude Modulating Decomposition of Al-Li Alloy Tempering Phase Transformation

采用XRD技术研究了二元Al-2.70% Li(mass fraction)合金的回火相变.结果发现190℃回火90 min 及120min的基体(200)衍射峰两侧有边带峰出现,同时有序化(100)衍射峰也存在,表明该合金在回火初期存在调幅分解与有序化现象.

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