The results show that RE-Al alloying can improve the hardness, the strength and the oxide film density of the piercing plug.
研究结果表明，稀土铝合金化可提高材料的硬度、强度及氧化膜的致密度。
The results show that RE-Al alloying can improve the hardness, the strength and the oxide film density of the piercing plug.
研究结果表明，稀土铝合金化可提高材料的硬度、强度及氧化膜的致密度。
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