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在广泛的温度范围内研究热加工工具钢的热物理性质

Piotr Koniorczyk¹, Mateusz Zieliński¹, Janusz Zmywaczyk¹

¹Faculty of Mechatronics, Armament and Aerospace, Military University of Technology, ul. gen. S. Kaliskiego 2, 00-908 Warsaw, Poland.

Materials (Basel, Switzerland)

|February 26, 2025

概括

这项研究测量了热加工工具钢WLV (1.2365) 在-50°C至500°C的热性能. 结果与其他钢相比较,建立了用于模拟的低温和高温热特性联系的程序.

科学领域:

材料科学材料科学材料科学
金工业是金工业的一个方面.
热物理学的热物理.

背景情况:

热加工工具钢在高温应用中至关重要.
了解它们在广泛温度范围内的热物理特性对于性能和耐用性至关重要.
现有的数据可能不涵盖高级模拟所需的全部操作频谱.

研究的目的:

测量WLV (1.2365) 钢的热扩散率和热膨胀率,从-50°C到500°C.
将这些测量与38HMJ (1.8509) 和WCL (1.2342) 钢的现有数据进行比较.
开发用于数值模拟的低温热特性与高温行为相关的程序.

主要方法:

使用NETZSCH LFA 467 (低温) 和LFA 427 (高温) 装置进行热扩散度测量.
使用NETZSCH DIL 402 Expedis (低温) 和DIL 402 C (高温) 扩展仪进行热膨胀测量.
数据比较和对应程序用于桥接温度范围 (-50°C至1100°C).

主要成果:

获得了WLV钢的综合热物理数据 (热扩散和膨胀).
已建立的程序将在低温下测量的热性能与WLV,38HMJ和WCL钢在高温下测量的热性能联系起来.
收集的数据可以作为数值传热模拟的输入.

结论:

该研究成功地描述了WLV钢的热物理特性,并建立了跨温度范围的数据集成方法.
这些发现使得在不同温度条件下使用这些热加工钢制成的工具可以进行更准确的热分析和模拟.
这项研究有助于提高高温刀具的设计和可靠性.

关键词:

38HMJ (1.8509) 钢铁公司 WCL (1.2342) 钢铁公司在WLV (1.2365) 钢铁中.热扩散性热扩散性热扩散性热膨胀热膨胀热膨胀

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