Investigation on the effect of powder size on the properties of cladding layer based on RSM

IF 0.9 4区材料科学 Q3 METALLURGY & METALLURGICAL ENGINEERING

Metallurgical Research & Technology Pub Date : 2022-01-01 DOI:10.1051/metal/2022003

Kun Yue, G. Lian, Meiyan Feng, Youji Zhan

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引用次数: 2

Abstract

This paper aims to reveal the influence of different TiC powder particle sizes and process parameters on the cladding morphology of composite materials and realize the forming control of cladding layer. The center composite design of response surface method was adopted to analyze the effects of laser power, scanning speed and particle size on the cladding morphology of composite materials. The mathematical models between process parameters, TiC powder particle size and micro-hardness, wear volume of the composite cladding layer were established and confirmed by variance analysis and model verification. The results indicate that powder particle size has most significant effect on the micro-hardness, and it increase with the increase of scanning speed, laser power and powder particle size; the effect of powder particle size on the wear resistance of the clad layer is most significant, and it increases with the increase of powder particle size and decreases with the increase of scanning speed and laser power. The optimization of process parameters is carried out with the target of maximizing micro-hardness and minimizing wear area. The error rates between prediction and experiment for the micro-hardness and wear area are 0.1% and 2.0% respectively. The results of this paper provide a reference for the prediction and control of the cladding morphology of composite materials.

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粉末粒度对熔覆层性能影响的RSM研究

本文旨在揭示不同TiC粉末粒度和工艺参数对复合材料熔覆形貌的影响，实现熔覆层的成形控制。采用响应面法的中心复合设计，分析了激光功率、扫描速度和颗粒尺寸对复合材料熔覆形貌的影响。建立了工艺参数、TiC粉末粒度与复合熔覆层显微硬度、磨损量之间的数学模型，并通过方差分析和模型验证进行了验证。结果表明:粉末粒度对显微硬度的影响最为显著，随扫描速度、激光功率和粉末粒度的增大而增大;粉末粒度对熔覆层耐磨性的影响最为显著，随粉末粒度的增大而增大，随扫描速度和激光功率的增大而减小。以显微硬度最大化和磨损面积最小化为目标，对工艺参数进行优化。显微硬度和磨损面积的预测误差与实验误差分别为0.1%和2.0%。研究结果可为复合材料熔覆形貌的预测和控制提供参考。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Metallurgical Research & Technology METALLURGY & METALLURGICAL ENGINEERING-

CiteScore

1.70

自引率

9.10%

发文量

审稿时长

4.4 months

期刊介绍： Metallurgical Research and Technology (MRT) is a peer-reviewed bi-monthly journal publishing original high-quality research papers in areas ranging from process metallurgy to metal product properties and applications of ferrous and non-ferrous metals and alloys, including light-metals. It covers also the materials involved in the metal processing as ores, refractories and slags. The journal is listed in the citation index Web of Science and has an Impact Factor. It is highly concerned by the technological innovation as a support of the metallurgical industry at a time when it has to tackle severe challenges like energy, raw materials, sustainability, environment... Strengthening and enhancing the dialogue between science and industry is at the heart of the scope of MRT. This is why it welcomes manuscripts focusing on industrial practice, as well as basic metallurgical knowledge or review articles.