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首页> 外文期刊>Journal of Materials Engineering and Performance >Comparative Study of Induction Quenching and Laser Surface Texturing on Anti-wear Performance of 40Cr Steel
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Comparative Study of Induction Quenching and Laser Surface Texturing on Anti-wear Performance of 40Cr Steel

机译：40Cr钢抗磨性能诱导淬火和激光表面纹理的比较研究

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摘要

Wear is the main cause of the eventual failure for machinery products composed of 40Cr steel during severe working environment. Induction quenching (IQ) is extensively used to improve the anti-wear performance of 40Cr steel. Nevertheless, the IQ technique has significant drawbacks related to easy deformation and more power consumption. To enhance the performance of 40Cr steel during wear, the laser processing technique was implemented to manufacture various surface texturing shapes (gridding and striation patterns). First, the distinct microstructure, phase components, and microhardness of surface texturing sample were observed and compared with those of IQ and untreated samples. Then, the anti-wear performance of 40Cr steel was experimentally evaluated. The results indicate that surface texturing is beneficial in improving the anti-wear performance of 40Cr steel. The anti-wear performance of surface texturing specimen with gridding pattern was the best, resulting in significant improvement of 73.83% than the untreated sample; the surface texturing sample with striation pattern had the second-best anti-wear performance, improvement of 70.22%, and the IQ sample had the third-best anti-wear performance, improvement of 62.47%.
机译：磨损是40Cr钢机械产品在恶劣工作环境下最终失效的主要原因。感应淬火（IQ）广泛用于提高40Cr钢的耐磨性。尽管如此，IQ技术仍然存在着与易变形和更高功耗相关的显著缺点。为了提高40Cr钢在磨损过程中的性能，采用激光加工技术制造各种表面纹理形状（网格和条纹图案）。首先，观察了表面织构样品的不同微观结构、相组成和显微硬度，并与IQ和未处理样品进行了比较。然后，对40Cr钢的抗磨性能进行了实验评价。结果表明，表面织构有利于提高40Cr钢的抗磨性能。网格纹表面变形试样的抗磨性能最好，比未处理试样显著提高73.83%；具有条纹图案的表面织构试样的抗磨性能次之，提高了70.22%，IQ试样的抗磨性能次之，提高了62.47%。

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