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在合金中进行热软化改进的分析模型,将室温变为固体

Gaoqiang Chen^1,2, Xin Liu^1,2, Junnan Qiao^1,2

¹Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China.

Materials (Basel, Switzerland)

|December 9, 2023

概括

这项研究引入了一种新的分析模型,用于在广泛的温度范围内对合金进行热软化. 该模型准确地预测材料强度,在制造应用中表现优于现有的模型.

科学领域:

材料科学材料科学材料科学
机械工程机械工程
金工业是金工业的一个方面.

背景情况:

先进的制造工艺,如摩擦接,需要了解材料在高温下的行为.
准确预测热软化对于分析金属的机械性质至关重要,从室温到固体温度.

研究的目的:

开发一个分析模型,用于合金的热软化.
为了覆盖从室温到固体温度的温度范围.
在两个热软化模式之间实现温度依赖的过渡.

主要方法:

提出了一种分析模型,其中包含了两个热软化模式之间的温度依赖过渡.
验证了该模型与Sellers-Tegart和Johnson-Cook等既有模型相比.
九种商业合金的记录模型常量.

主要成果:

拟议的模型与塞拉斯-特加特和约翰逊-库克模型进行了有利的比较.
该模型有效地描述了合金中的热软化.
为实际应用提供了九种合金的常量.

结论:

开发的分析模型提供了一种可靠的方法来预测合金中的热软化.
该模型增强了对高温制造中的材料行为的理解.
记录下来的常数有助于将模型应用于各种合金.

关键词:

合金是合金中的一种.构成模型的构成模型压力压力流动流动压力温度的温度的温度的温度的温度.

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