Department of Materials Science and Engineering, Pohang University of Science and Engineering (POSTECH), Pohang, Republic of Korea.
Ultramicroscopy. 2010 Jun;110(7):783-8. doi: 10.1016/j.ultramic.2009.12.006. Epub 2010 Mar 6.
The medium carbon (0.5 wt% C) steels containing various boron contents were studied to observe the distribution of boron using atom probe tomography and electron energy loss spectroscopy. APT revealed the segregation of boron atoms at retained austenite for 100 ppm boron added steels and the trapped carbon atoms at micro-twins for 50 ppm boron treated steels. Moreover, it was also found that boron was randomly distributed for 20 ppm boron added steels regardless of the interactions between carbon and boron.
研究了含有不同硼含量的中碳钢（0.5wt%C），使用原子探针断层扫描和电子能量损失光谱观察硼的分布。APT 显示，对于添加了 100ppm 硼的钢，硼原子在残余奥氏体中偏析，对于添加了 50ppm 硼的钢，硼原子在微孪晶中捕获碳原子。此外，还发现对于添加了 20ppm 硼的钢，硼是随机分布的，而与碳和硼之间的相互作用无关。
