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对微观结构演变和TB8合金机械性能的影响

Yequan Chen¹, Shiying Wang¹, Jiaxing Meng¹

¹School of Materials Science and Engineering, Changzhou University, Changzhou, China.

|January 17, 2025

概括

充电显著改变了TB8合金的微观结构和机械性能. 增加含量导致化物形成,改变晶体结构,并从柔性转变为脆性的骨折行为.

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.
气的脆弱性气的脆弱性

背景情况:

变态稳定的β-合金是关键的工程材料.
对于合金来说,脆性是一个很大的问题.
了解对TB8合金的影响对于其应用至关重要.

研究的目的:

为了研究含量对TB8合金的影响.
分析微观结构,机械性能和断裂行为的变化.
为了提供对这种合金的充电效应的见解.

主要方法:

光学显微镜 (OM),X射线衍射 (XRD),扫描电子显微镜 (SEM),传输电子显微镜 (TEM).
充电和随后的材料特征.
机械测试,包括拉伸强度和均延长测量.

主要成果:

在粒边界积聚,形成γ-TiH和ε-TiH2化物.
由引起的晶格扭曲会导致β相衍射峰值的转移.
拉力强度最初增加,然后减少;随着含量增加,均延伸和延展性下降.

结论:

充电显著改变了TB8合金的微观结构.
机械性能随着含量增加而降低,导致脆性骨折.
这项研究提供了有关对TB8合金性能影响的关键数据.

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