在Ti-6Al-4V合金中的转变被用扩展度学研究,并得到声波发射的支持
Małgorzata Łazarska1, Janusz Musiał2, Tomasz Tański3
1Faculty of Material Engineering, Kazimierz Wielki University, Chodkiewicza 30, 85-064 Bydgoszcz, Poland.
Materials (Basel, Switzerland)
|January 8, 2025
概括
研究人员使用扩展度和声辐射研究了Ti-6Al-4V合金中的α-β相变. 这种非破坏性技术证实了转换动力学,并确定了加热过程中的特定信号.
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.
- 物理化学 物理化学
背景情况:
- Ti-6Al-4V 是航空航天和生物医学应用中的关键合金.
- 了解其相变动力学对于优化材料性能和性能至关重要.
- 在实时监测中,研究相变的传统方法可能受到限制.
研究的目的:
- 为了研究Ti-6Al-4V合金中的α-β (α→β) 阶段转换的动力学.
- 评估声波发射作为监测热转换的非破坏性技术的有效性.
- 为了确定各种加热速率的转换开始和结束温度.
主要方法:
- 使用了一种经过修改的扩散计,配备了一种声辐射 (AE) 测量装置.
- 记录了扩度曲线,以跟踪加热和冷却期间的维度变化.
- 分析AE信号以检测和确认相位转换事件.
主要成果:
- 在Ti-6Al-4V的α→β转化在900°C以上始终被观察到,无论加热速度如何.
- 在转换温度范围内成功记录了声辐射信号.
- 确定了与相变相相关的特定AE信号组件.
结论:
- 声波发射是一种可行的非破坏性技术,用于监测Ti-6Al-4V的相变.
- 扩张计和AE的联合使用提供了对转换动力学的全面理解.
- 这种方法为实时分析相位转换提供了新的工业可能性.
更多相关视频
09:35Applying Dynamic Strain on Thin Oxide Films Immobilized on a Pseudoelastic Nickel-Titanium Alloy
Published on: July 28, 2020
4.9K
12:18Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys
Published on: June 27, 2022
2.6K
相关概念视频
Mechanical Characteristics of Steel
393
The mechanical characteristics of steel are assessed through various tests that evaluate its strength, toughness, and flexibility. These tests include tension, torsion, impact, bending, and hardness assessments, each providing crucial information about steel's suitability for specific applications.
The tension test is fundamental for determining tensile strength. In this test, a steel specimen is stretched using a gripping device until it breaks. The data collected during this test are used...
The tension test is fundamental for determining tensile strength. In this test, a steel specimen is stretched using a gripping device until it breaks. The data collected during this test are used...
393
Temperature Dependent Deformation
138
In a nonhomogeneous rod made up of steel and brass, restrained at both ends and subjected to a temperature change, several steps are involved in calculating the stress and compressive load. Due to the problem's static indeterminacy, one end support is disconnected, allowing the rod to experience the temperature change freely. Next, an unknown force is applied at the free end, triggering deformations in the rod's steel and brass portions. These deformations are then calculated and added...
138
Thin-Walled Hollow Shafts
166
In analyzing a thin-walled hollow shaft subjected to torsional loading, a segment with width dx is isolated for examination. Despite its equilibrium state, this segment faces torsional shearing forces at its ends. These forces are quantitatively described by the product of the longitudinal shearing stress on the segment's minor surface and the area of this surface, leading to the concept of shear flow. This shear flow is consistent throughout the structure, indicating a uniform distribution...
166
