不同层间结合模式对激光包覆 In625 的微观结构和性能的影响

IF 4.6 2区 物理与天体物理 Q1 OPTICS Optics and Laser Technology Pub Date : 2024-11-26 DOI:10.1016/j.optlastec.2024.112191
Yingying Zhang, Jiayu Sun, Zhengyu Sun, Yiqi Wang, Tianbiao Yu
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引用次数: 0

摘要

本研究探讨了五种不同的层间结合模式对 In625 激光熔覆层的微观结构、机械性能、摩擦和耐磨性的影响。研究人员进行了 XRD、EDS、拉伸、硬度、摩擦和磨损测试。XRD 分析结果表明,在矩形环模式以及长、宽和矩形环叠加模式中均检测到 Nb6C5,这表明矩形环模式可能会促进次生相的形成。EDS 分析表明,矩形环模式中的铌含量略高,而长环和宽环叠加模式的晶粒分布更均匀,晶粒尺寸更小。拉伸试验显示,长方向、宽方向、长方向和宽方向叠加模式出现韧性断裂,而矩形环模式以及长方向、宽方向和矩形环叠加模式则出现脆性断裂。长方向和宽方向叠加模式的平均伸长率最高(35.46 %),长方形、宽方形和矩形环叠加模式的抗拉强度最高(957.13 兆帕)。硬度测试结果表明,矩形环模式的硬度最高(325.1 HV (0.2))。摩擦和磨损测试表明,长宽方向堆焊模式的磨损体积(0.08899 立方毫米)最小,整体摩擦性能最佳。这些研究结果表明,通过选择适当的层间结合模式,可以有效地定制堆焊层的性能,以满足不同应用场景中的特定材料要求。
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Effects of different interlayer bonding modes on the microstructure and properties of laser cladded In625
In this study, the effects of five different interlayer bonding modes on the microstructure, mechanical properties, friction, and wear resistance of In625 laser cladding were investigated. XRD, EDS, tensile, hardness, friction and wear tests were conducted. XRD analysis results have revealed that Nb6C5 was detected in rectangular ring mode and the long, wide and rectangular ring overlay mode, indicating that the rectangular ring mode may promote the formation of secondary phase. EDS analysis has indicated a slightly higher Nb content in the rectangular ring mode, while the long and wide direction overlay mode exhibited a more uniform grain distribution and smaller grain size. Tensile tests revealed ductile fractures in the long direction, wide direction, the long and wide direction overlay modes, while the rectangle ring mode and the long, wide, and rectangular ring overlay modes showed brittle fractures. The long and wide direction overlay mode had the highest average elongation (35.46 %), and the long, wide, and rectangular ring overlay mode had the highest tensile strength (957.13 MPa). Hardness test results showed that the rectangle ring mode had the highest hardness (325.1 HV (0.2)). Friction and wear tests indicated that the long and wide direction overlay mode exhibited the smallest wear volume (0.08899 mm3) and the best overall friction performance. These findings indicate that the properties of the cladding layer can be effectively tailored by selecting appropriate interlayer bonding modes to match the specific material requirements in distinct application scenarios.
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来源期刊
CiteScore
8.50
自引率
10.00%
发文量
1060
审稿时长
3.4 months
期刊介绍: Optics & Laser Technology aims to provide a vehicle for the publication of a broad range of high quality research and review papers in those fields of scientific and engineering research appertaining to the development and application of the technology of optics and lasers. Papers describing original work in these areas are submitted to rigorous refereeing prior to acceptance for publication. The scope of Optics & Laser Technology encompasses, but is not restricted to, the following areas: •development in all types of lasers •developments in optoelectronic devices and photonics •developments in new photonics and optical concepts •developments in conventional optics, optical instruments and components •techniques of optical metrology, including interferometry and optical fibre sensors •LIDAR and other non-contact optical measurement techniques, including optical methods in heat and fluid flow •applications of lasers to materials processing, optical NDT display (including holography) and optical communication •research and development in the field of laser safety including studies of hazards resulting from the applications of lasers (laser safety, hazards of laser fume) •developments in optical computing and optical information processing •developments in new optical materials •developments in new optical characterization methods and techniques •developments in quantum optics •developments in light assisted micro and nanofabrication methods and techniques •developments in nanophotonics and biophotonics •developments in imaging processing and systems
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