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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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MC碳化物非平衡凝固液/固界面结构及生长机机制
, PP. 254-258
Keywords: 小面晶体,MC碳化物,TiC
Abstract:
在冷却速度为102----105K/s的激光快速凝固条件下,对Jackson因子约为5----7的TiC型MC碳化物典型小面晶体液/固界面结构\生长形态及生长机制进行了系统的实验研究和理论分析.结果表明,尽管MC碳化物的生长形态随着凝固冷却速度的变化面发生显著变化,但其液/固界面始终保持原子尺度上光滑,其微观生长机制始终为台阶侧向生长,在102----105K/s凝固冷却速度条件下,MC碳化物生长机制并未发生由侧向生长机制向连续生长机制的转化.
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