摘要：
The precipitation of a Mg-9Gd-2Er (wt.%) alloy at 225℃ was investigated by transmission electron microscopy (TEM) and X-ray diffraction (XRD).The precipitation sequence is described as supersaturated solid solution (SSS)→β＇＇(D019)→β＇ (cbco)→β-phase.The morphology and crystal structure of β＇＇ precip...
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