激光超声中心频偏检测Ti-6Al-4V退火SLM组织与力学性能

IF 2.5 3区物理与天体物理 Q2 OPTICS

Optics Communications Pub Date : 2025-02-10 DOI:10.1016/j.optcom.2025.131605

Yeqing He , Anmin Yin , Lei Zheng , Da Xu , Zhenxin Xia , Xiaodong Xu

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引用次数: 0

摘要

本文研究了选择性激光熔化（SLM）制备的Ti-6Al-4V钛合金退火后的超声本征值与显微组织的关系，建立了超声中心频率偏移与位错密度的关系模型。基于位错强化理论，进一步建立了基于超声中心频率偏移的屈服强度、抗拉强度和硬度模型，并用实验数据进行了验证。结果表明，基于超声中心频率偏移的组织与力学性能模型精度约为0.89。

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Microstructure and mechanical properties detecting of annealed SLM Ti–6Al–4V by laser ultrasonic center frequency offset

In this paper, the relationship between the ultrasonic eigenvalue and the microstructure of Ti–6Al–4V titanium alloy fabricated using selective laser melting (SLM) after annealing treatment is investigated, and a relationship model correlating the ultrasonic center frequency offset with dislocation density is developed. Based on dislocation strengthening theory, models for yield strength, tensile strength, and hardness, derived from the ultrasonic center frequency offset, are further developed and validated using experimental data. The results indicate that the microstructure and mechanical property model based on ultrasonic center frequency offset achieves an accuracy of approximately 0.89.

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来源期刊

Optics Communications 物理-光学

CiteScore

5.10

自引率

8.30%

发文量

681

审稿时长

38 days

期刊介绍： Optics Communications invites original and timely contributions containing new results in various fields of optics and photonics. The journal considers theoretical and experimental research in areas ranging from the fundamental properties of light to technological applications. Topics covered include classical and quantum optics, optical physics and light-matter interactions, lasers, imaging, guided-wave optics and optical information processing. Manuscripts should offer clear evidence of novelty and significance. Papers concentrating on mathematical and computational issues, with limited connection to optics, are not suitable for publication in the Journal. Similarly, small technical advances, or papers concerned only with engineering applications or issues of materials science fall outside the journal scope.