In this study, we successfully produced Fe-based amorphous composite coatings on the surface of 45 steel using laser cladding technology, and the impact of the relative content of Cr and Mo elements on the microstructure, hardness, and wear resistance of composite coatings has been investigated. The results show that the microstructure of the coating changes from dendrite to amorphous nanocrystalline when the content of Cr and Mo is 20 and 15 wt. %, respectively. However, when the Mo element continues to be added, elemental segregation will be caused, resulting in a large number of brittle Fe–Cr–Mo intermetallic compounds and MoSi2 ceramic phases in the coating. Therefore, the appropriate element ratio can not only increase the amorphous phase content in the coating but also prevent elemental segregation. Among the three types of amorphous composite coatings studied, the Fe45Cr20Mo15B10Si10 (wt. %) composite coating exhibited the most favorable performance, primarily due to its highest amorphous content (43.33%). Through the interaction of the amorphous phase, α-Fe, Fe–Cr solid solution, and a small proportion of intermetallic compounds, this coating achieved a hardness of 1282.8 HV0.2, approximately five times that of the 45 steel substrate, and demonstrated superior wear resistance.
Skip Nav Destination
Article navigation
August 2024
Research Article|
July 30 2024
Effects of Cr and Mo content on the microstructure and properties of Fe-based amorphous composite coatings by laser cladding
Haoqiang Zhang
;
Haoqiang Zhang
(Conceptualization, Data curation, Formal analysis, Resources, Writing – original draft)
College of Mechanical Engineering, North China University of Science and Technology
, Tangshan 063210, People’s Republic of China
Search for other works by this author on:
Yixian Yang
;
Yixian Yang
(Writing – review & editing)
College of Mechanical Engineering, North China University of Science and Technology
, Tangshan 063210, People’s Republic of China
Search for other works by this author on:
Hao Liu
;
Hao Liu
(Methodology, Software)
College of Mechanical Engineering, North China University of Science and Technology
, Tangshan 063210, People’s Republic of China
Search for other works by this author on:
Suoxia Hou;
Suoxia Hou
(Software, Validation)
College of Mechanical Engineering, North China University of Science and Technology
, Tangshan 063210, People’s Republic of China
Search for other works by this author on:
Zheyuan Zhang;
Zheyuan Zhang
(Investigation)
College of Mechanical Engineering, North China University of Science and Technology
, Tangshan 063210, People’s Republic of China
Search for other works by this author on:
Zhanshan Ma
Zhanshan Ma
a)
(Supervision)
College of Mechanical Engineering, North China University of Science and Technology
, Tangshan 063210, People’s Republic of China
a)Author to whom correspondence should be addressed; electronic mail: mazhanshan@ncst.edu.cn
Search for other works by this author on:
a)Author to whom correspondence should be addressed; electronic mail: mazhanshan@ncst.edu.cn
J. Laser Appl. 36, 032022 (2024)
Article history
Received:
April 08 2024
Accepted:
July 17 2024
Citation
Haoqiang Zhang, Yixian Yang, Hao Liu, Suoxia Hou, Zheyuan Zhang, Zhanshan Ma; Effects of Cr and Mo content on the microstructure and properties of Fe-based amorphous composite coatings by laser cladding. J. Laser Appl. 1 August 2024; 36 (3): 032022. https://doi.org/10.2351/7.0001392
Download citation file:
Sign in
Don't already have an account? Register
Sign In
You could not be signed in. Please check your credentials and make sure you have an active account and try again.
Pay-Per-View Access
$40.00
47
Views
Citing articles via
Real-time analysis of inline sensor data during USP-laser machining
Milena Žurić, Goomaral Sukhbold
Identifying the direction of weld path deviations in laser deep penetration welding of hidden T-joints by means of OCT
Ronald Pordzik, Thomas Seefeld
Study of burst mode for enhancing the ps-laser cutting performance of lithium-ion battery electrodes
Pourya Heidari Orojloo, Ali Gökhan Demir