The comparison of the effect of four rare-earth elements on microstructure and properties of alloys showed that Dy was the most effective in alloy microstructure refinement and properties improvement, Gd, Nd and Y followed.
比较四种稀土元素对合金的组织与性能的影响规律,结果表明Dy的加入对合金组织细化和力学性能改善最为有效,其余依次是Gd、Nd和Y。
参考来源 - 稀土元素对Zn·2,447,543篇论文数据，部分数据来源于NoteExpress
It is because of microstructure refinement, an increase in boundaries and dislocation multiplication.
阻尼性能提高是由于组织细化、界面增多以及位错增殖所致。
Molten melt superheat treatment is an effective means for microstructure refinement and advancement of alloy mechanical property.
熔体过热处理是细化组织提高合金力学性能的有效途径。
Microstructure refinement surface layer was obtained in TC4 Titanium Alloy surface treated by a high-energy shot peering (HESP) technique.
利用高能振动喷丸法对TC 4钛合金进行了表面细化的研究。
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