Effect of ultrasonic surface rolling process by disparate static pressure on a carburized layer of 17CrNiMo6 steel

IF 4.3 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Materials Chemistry and Physics Pub Date : 2024-10-25 DOI:10.1016/j.matchemphys.2024.130086

Shuo Wang , Pingtuan Wang , Xiufang Cui , Guo Jin , Jian Li , Yuting Hu , Yufei Liu , Zilong Wu , Shengming Wu

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Abstract

Considering the elevated application requirements for transmission gears in terms of wear and corrosion resistance, this study investigates the impact of different static pressures (0.4 MPa, 0.6 MPa, 0.8 MPa) on the structure and protective properties of vacuum-carburized USRP layers, leveraging the technical advantages offered by vacuum carburizing and USRP. The findings demonstrate that using USRP facilitates fine-grained strengthening, and the thickness of the grain refinement layer increases proportionally with static pressure. The 0.6 MPa static pressure exhibits the most pronounced positive impact on grain refinement. The application of varying static pressures results in different surface integrity and microhardness levels within the carburized layer, thereby impacting the layer's wear and corrosion resistance. The coating exhibits the highest hardness and lowest roughness at a static pressure of 0.6 MPa, thereby demonstrating superior wear resistance. In addition, the 0.6 MPa layer with the lowest roughness has the best corrosion resistance.

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不同静压的超声波表面滚压工艺对 17CrNiMo6 钢渗碳层的影响

考虑到传动齿轮在耐磨性和耐腐蚀性方面的应用要求较高，本研究利用真空渗碳和 USRP 的技术优势，研究了不同静压（0.4 兆帕、0.6 兆帕、0.8 兆帕）对真空渗碳 USRP 层的结构和保护性能的影响。研究结果表明，使用 USRP 可促进细晶粒强化，晶粒细化层的厚度随静压成比例增加。0.6 兆帕的静压对晶粒细化的积极影响最为明显。施加不同的静压会导致渗碳层的表面完整性和微硬度水平不同，从而影响渗碳层的耐磨性和耐腐蚀性。在静压为 0.6 兆帕时，涂层的硬度最高，粗糙度最低，从而显示出卓越的耐磨性。此外，粗糙度最低的 0.6 兆帕涂层具有最佳的耐腐蚀性。

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来源期刊

Materials Chemistry and Physics 工程技术-材料科学：综合

CiteScore

8.70

自引率

4.30%

发文量

1515

审稿时长

69 days

期刊介绍： Materials Chemistry and Physics is devoted to short communications, full-length research papers and feature articles on interrelationships among structure, properties, processing and performance of materials. The Editors welcome manuscripts on thin films, surface and interface science, materials degradation and reliability, metallurgy, semiconductors and optoelectronic materials, fine ceramics, magnetics, superconductors, specialty polymers, nano-materials and composite materials.