[1]程慧敏,李先芬,沈虎,等.激光熔覆工艺参数对铅青铜熔覆层微观组织及性能影响[J].焊管,2023,46(5):29-35.[doi:10.19291/j.cnki.1001-3938.2023.05.005]
 CHENG Huimin,LI Xianfen,SHEN Hu,et al.Effect of Laser Cladding Process Parameters on Microstructure and Properties of Lead Bronze Clad Layers[J].,2023,46(5):29-35.[doi:10.19291/j.cnki.1001-3938.2023.05.005]
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激光熔覆工艺参数对铅青铜熔覆层微观组织及性能影响()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
46
期数:
2023年第5期
页码:
29-35
栏目:
试验与研究
出版日期:
2023-05-28

文章信息/Info

Title:
Effect of Laser Cladding Process Parameters on Microstructure and Properties of Lead Bronze Clad Layers
文章编号:
10.19291/j.cnki.1001-3938.2023.05.005
作者:
程慧敏李先芬沈虎张雅婷赵玙璐张涛
合肥工业大学 材料科学与工程学院,合肥 230009
Author(s):
CHENG Huimin LI Xianfen SHEN Hu ZHANG Yating ZHAO Yulu ZHANG Tao
School of materials science and engineering, Hefei University of Technology, Hefei 230009, China
关键词:
激光熔覆42CrMo钢激光功率扫描速率微观组织及性能
Keywords:
laser cladding 42CrMo steel laser power scanning speed microstructure and properties
分类号:
TG156.99
DOI:
10.19291/j.cnki.1001-3938.2023.05.005
文献标志码:
A
摘要:
为了探索不同激光工艺参数对铅青铜熔覆层成形质量的影响,采用激光熔覆技术在42CrMo钢表面制备铅青铜熔覆层,并分析了熔覆层微观组织、硬度和减磨性能。结果表明,激光功率240 W、扫描速度5 mm/min为最优工艺参数,采用此工艺参数制备出的铅青铜熔覆层成形质量良好,组织致密、无气孔裂纹;铅青铜熔覆层组织主要由马氏体、α-Cu固溶体、CrMo3S4、Pb相组成;熔覆层平均硬度为334HV0.1;熔覆层试样的磨损类型为黏着磨损和磨粒磨损的复合磨损形式。
Abstract:
In order to explore the influence of different laser process parameters on the forming quality of the lead bronze cladding layer, a lead bronze clad layer was prepared on the surface of 42CrMo steel by laser cladding technology and the microstructure, hardness, and friction reduction properties of the cladding layer were analyzed. The results show that the lead bronze coating prepared under the optimum process parameters (laser power 240 W and scanning speed 5 mm/min) is well formed, with a dense structure and no pore cracks. Meanwhile, the lead bronze cladding layer is mainly composed of martensite α-Cu solid solution, CrMo3S4, Pb phase composition. The average hardness of the cladding layer is 334 HV0.1; The wear type of the cladding layer sample is a composite wear form of adhesive wear and abrasive wear.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2023-03-04基金项目: 合肥工业大学2022年省级大学生创新创业训练计划“激光熔覆SiC-MoS2-Ni基自润滑涂层组织及摩擦学改性探究”(项目编号202210359045)。作者简介:程慧敏(1997—),女,硕士研究生,就读于合肥工业大学材料科学与工程学院,主要从事激光焊接的研究。
更新日期/Last Update: 2023-05-23