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Updated: Feb 24, 2026

Thermal Measurement Techniques in Analytical Microfluidic Devices
Published on: June 3, 2015
开发一套新的温度校准材料,用于高温热分析
Kil-Won Moon1, Jiwon Park2, Joo-Hee Kang2
1Materials Science and Engineering Division, National Institute of Standards and Technology, 100 Bureau Drive, Gaithersburg, MD 20899 USA.
新的研究级测试材料 (RGTM) 为差分扫描热量计 (DSC) 和差分热分析 (DTA) 提供精确的温度校准. 这些合金提高了精度,大大减少了校准差异.
科学领域:
- 材料科学 材料科学 材料科学
- 分析化学 分析化学
- 物理化学 物理化学
背景情况:
- 准确的温度校准对于DSC和DTA等高温热分析技术至关重要.
- 现有的校准标准,如,由于氧化和eutectic反应存在局限性,导致不确定性.
- 需要在黄金和之间的中间温度范围内使用可靠的校准材料.
研究的目的:
- 开发和验证一套新的研究级试验材料 (RGTMs) 用于高温热分析校准.
- 为差分扫描热度计 (DSC) 和差分热分析 (DTA) 仪器提供准确的温度校准标准.
- 解决当前校准方法的局限性,特别是涉及的校准方法.
主要方法:
- 候选欧特克二元合金的合成和表征.
- 使用高温热分析技术确定点.
- 评估新的RGTM在DSC/DTA中的温度校准性能.
主要成果:
- 开发了一套新的RGTM,其中包括Ni-41Nb (1181°C),Co-13Nb (1240°C),Fe-10Nb (1372°C),Rh-23.5Si (1421°C) 和Ru-28Si (1535°C).
- 这些合金覆盖了黄金和的点之间的温度范围.
- 使用RGTM而不是的校准显著提高了准确性,将差异从9.16°C降低到0.65°C.
结论:
- 开发的RGTM为高温DSC和DTA提供了准确可靠的温度校准.
- 这些新材料克服了与基校准相关的局限性,提高了测量精度.
- 这些RGTM的可用性使热分析仪器能够更准确地校准中间温度.
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