激光增材制造和生物诱导矿化法制备30CrNi2MoV钢表面熔覆层和矿化膜集成

IF 5 2区物理与天体物理 Q1 OPTICS

Optics and Laser Technology Pub Date : 2025-05-12 DOI:10.1016/j.optlastec.2025.113032

Ren Weibin , Wang Bo , Wang Yujiang , Fan Zhanzheng , Zuo Weihao

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引用次数: 0

摘要

采用激光熔覆增材制造和生物诱导矿化相结合的方法，在30CrNi2MoV钢表面制备了熔覆层和矿化膜一体化涂层。首先，在30CrNi2MoV钢表面通过激光熔覆增材制造制备了含有90% % Inconel 625合金和10% %纳米wc的复合熔覆层，然后利用假互单胞菌诱导沉积矿化膜，制备了一体化熔覆-矿化膜涂层。实验结果表明：熔覆层顶部以细而致密的等轴晶为主，中部以柱状晶为主，底部以胞状晶为主，并伴有少量柱状晶和等轴晶。纳米WC颗粒均匀分布在晶体内部和晶体之间，具有显著的增强作用。熔覆层内新形成的Ni17W3、nb0.1、ni0.9、Cr7C3等强化相，有效地提高了镀层的硬度、耐磨性、耐腐蚀性。在相同摩擦磨损条件下，熔覆层的磨损体积比基体减少了27.78 %；熔覆层的平均显微硬度为437.78 HV0.2，比基体高约25 %，其耐腐蚀性也优于30CrNi2MoV钢基体。结果表明，复层和由假互单胞菌诱导的生物矿化膜的耐蚀性均优于30CrNi2MoV钢基体。相关研究为提高高速运动部件抗高速颗粒侵蚀和化学腐蚀能力提供了理论支持和方法参考。

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Composite preparation of cladding layer and mineralization film Integration on the surface of 30CrNi2MoV steel via laser additive manufacturing and bio-induced mineralization

Based on the combined method of laser cladding additive manufacturing and bio-induced mineralization, an integrated coating of cladding layer and mineralization film was prepared on the surface of 30CrNi2MoV steel. First, a composite cladding layer consisting of 90 % Inconel 625 alloy and 10 % nano-WC was fabricated on the surface of 30CrNi2MoV steel through laser cladding additive manufacturing, followed by the deposition of a mineralization film induced by Pseudoalteromonas bacteria, resulting in the preparation of an integrated cladding-mineralization film coating. Experimental results show that the top of the cladding layer consists of fine and dense equiaxed crystals, the middle primarily features columnar crystals, and the bottom is mainly composed of cellular crystals, accompanied by a small amount of columnar and equiaxed crystals. Nano-sized WC particles are uniformly distributed within and between the crystals, playing a significant role in reinforcement. Newly formed strengthening phases, such as Ni₁₇W₃, Nb_0.1Ni_0.9, and Cr₇C₃, within the cladding layer, effectively enhance the coating’s hardness, wear resistance, corrosion resistance. Under the same friction and wear conditions, the wear volume of the cladding layer decreased by 27.78 % compared to the substrate; the average microhardness of the cladding layer was 437.78 HV_0.2, approximately 25 % higher than that of the substrate, and its corrosion resistance also outperformed the 30CrNi2MoV steel substrate. The corrosion resistance of both the cladding layer and the bio-mineralization film induced by Pseudoalteromonas bacteria was verified to be superior to that of the 30CrNi2MoV steel substrate. The related research provides theoretical support and methodological references for improving the ability of high-speed moving parts to resist high-speed particle erosion and chemical corrosion.

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来源期刊

Optics and Laser Technology 物理-光学

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