Study on the surface performance strengthening of AlCrN coated cemented carbide by micro-texture laser preparation process

IF 5.4 3区材料科学 Q2 CHEMISTRY, PHYSICAL

ACS Applied Energy Materials Pub Date : 2024-09-17 DOI:10.1016/j.optlastec.2024.111819

Xin Tong, Xiyue Wang, Pei Han, Shoumeng Wang

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引用次数: 0

Abstract

The combined application of coating and surface texture technology on the material surface can enhance its performance. However, the two procedure and their joint mechanism have not been fully revealed. Therefore, this paper takes the micro-textured coated cemented carbide as the research object, and focuses on the influence of preparation procedure and process parameters on surface characteristics and friction behavior. The results show that compared with the coating textured (XT) sample, the textured coating (XW) sample has more advantages in micro-hardness, microstructure and wear degree. The Rockwell hardness of the XT sample is better. Compared with the single coating sample, the coating micro-hardness of the XW sample is increased by 10 %, the Rockwell hardness is reduced by 2 %, the average grain size is reduced by 7.9 %, and the friction force is reduced by 6.2 %. Additionally, within a certain range, the increase of Al content will increase the sample hardness, reduce friction, and inhibit the Cr content and the growth of CrN phase grains. Complete process parameter optimization based on the ideal solution.

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利用微纹理激光制备工艺强化铝铬镍涂层硬质合金表面性能的研究

在材料表面联合应用涂层和表面纹理技术可以提高材料的性能。然而，这两种工艺及其联合机理尚未完全揭示。因此，本文以微纹理涂层硬质合金为研究对象，重点探讨了制备程序和工艺参数对表面特性和摩擦行为的影响。结果表明，与涂层纹理（XT）试样相比，纹理涂层（XW）试样在显微硬度、显微组织和磨损程度方面更具优势。XT 样品的洛氏硬度更好。与单涂层试样相比，XW 试样的涂层显微硬度提高了 10%，洛氏硬度降低了 2%，平均晶粒度降低了 7.9%，摩擦力降低了 6.2%。此外，在一定范围内，Al 含量的增加会提高试样硬度，降低摩擦力，并抑制 Cr 含量和 CrN 相晶粒的生长。基于理想方案的完整工艺参数优化。

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来源期刊

ACS Applied Energy Materials Materials Science-Materials Chemistry

CiteScore

10.30

自引率

6.20%

发文量

1368

期刊介绍： ACS Applied Energy Materials is an interdisciplinary journal publishing original research covering all aspects of materials, engineering, chemistry, physics and biology relevant to energy conversion and storage. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrate knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important energy applications.