精细化沉积在液相钢中的分散控制使用汉森溶解度参数
1Advanced Technology Research Laboratory, Nippon Steel Corporation, 20-1 Shintomi, Futtsu, Chiba 293-8511, Japan.
Langmuir : the ACS journal of surfaces and colloids
|February 6, 2026
概括
现在可以对钢沉物进行准确的尺寸分布分析. 使用汉森溶解性参数 (HSP) 的新方法改善了化 (TiN) 分散,以进行精确的测量.
科学领域:
- 材料科学 材料科学 材料科学
- 分析化学 分析化学
- 金工业是金工业的一个方面.
背景情况:
- 钢中的细沉积物对机械性能产生重大影响.
- 准确地描述沉物大小分布是必不可少的,但具有挑战性.
- 现有的方法需要在液态阶段有效分散沉物.
研究的目的:
- 开发一种用于改善化 (TiN) 沉在液体介质中的分散的新方法.
- 为了能够准确地分析钢中细沉物的尺寸分布.
- 建立一种可靠的方法,使用汉森溶解性参数 (HSP) 来进行沉物的定量分析.
主要方法:
- 钢沉物的电解溶解.
- 不对称的流场流量分成 (AF4) 与诱导合的等离子体质谱法 (ICP-MS) 相结合.
- 汉森溶解度参数 (HSP) 分析以确定TiN分散的最佳溶剂.
- 传输电子显微镜 (TEM) 用于沉物观察.
主要成果:
- 鉴定了TiN分散的最佳HSP值: (δd, δp, δh) = (19.4 ± 0.1, 16.9 ± 0.0, 20.5 ± 0.1).
- 确定一个相对能量差异 (RED) <0.76是良好的TiN分散所需的.
- 使用乙烯基醇和二甲基硫氧化物 (RED = 0.50) 的溶剂混合物成功实现了分散和分析.
结论:
- 这种基于HSP的新型方法显著改善了TiN沉物在液相中的分散.
- 这种方法可以对钢中的细沉积物进行准确的定量尺寸分布分析.
- 开发的技术为材料表征和质量控制提供了有价值的工具.
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