SPS（MA-SPS）烧结Ti-15%Mo合金的力学性能和微观组织研究

IF 1.9 4区材料科学 Q2 METALLURGY & METALLURGICAL ENGINEERING

Powder Metallurgy Pub Date : 2022-07-22 DOI:10.1080/00325899.2022.2102839

Mahdi Mirzaaghaei, F. Qods, H. Arabi, M. Milani, B. Mohammad Sadeghi, M. Nourbakhsh

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引用次数: 2

摘要

摘要本研究的目的是研究采用机械合金化和火花等离子体烧结（MA-SPS）方法制备的Ti-15%Mo合金的力学性能和微观结构。因此，Ti和Mo粉末被研磨不同的时间，包括5、15、25、35和45 h、以及在25压力下烧结的SPS技术使用1100°C下的MPa。使用X射线衍射（XRD）分析、光学和电子显微镜（SEM）、硬度测量和压缩测试分别研究了所制备样品的相形成、粉末形态、微观结构和机械性能。结果表明，由于机械铣削时间的增加，β相的形成百分比更高，此外，它还影响了烧结过程后制备的样品的微观结构和力学性能。图形摘要

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Investigation of mechanical properties and microstructure of Ti-15% Mo alloy produced by mechanical alloying and sintering with SPS (MA-SPS)

ABSTRACT The goal of this study was to investigate the mechanical properties and microstructure of Ti-15% Mo alloy fabricated using the mechanical alloying and spark plasma sintering (MA-SPS) method. Accordingly, Ti and Mo powders were milled for different times, including 5, 15, 25, 35, and 45 h, and the SPS technique for sintering under a pressure of 25 MPa at 1100°C was used. The X-ray diffraction (XRD) analysis, optical and electron microscopy (SEM), hardness measurements, and compression testing were used to study the phases formed, the morphology of powders, microstructure, and mechanical properties of the as-prepared samples, respectively. The results revealed that owing to increasing the mechanical milling time, the percentage of the beta phase formed was higher, and in addition, it influenced the microstructure and mechanical properties of the samples fabricated after the sintering process. GRAPHICAL ABSTRACT

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来源期刊

Powder Metallurgy 工程技术-冶金工程

CiteScore

2.90

自引率

7.10%

发文量

审稿时长

3 months

期刊介绍： Powder Metallurgy is an international journal publishing peer-reviewed original research on the science and practice of powder metallurgy and particulate technology. Coverage includes metallic particulate materials, PM tool materials, hard materials, composites, and novel powder based materials.