This book clarifies the influence of process parameters of laser additive alloy steel and cast iron on defect distribution and provides a reference for the formulation of process parameters of parts remanufacturing. This book realizes the control of the microstructure of alloy steel and cast iron through process parameters. The engineer can adjust the structure of the deposited layer according to the method provided in this book. Furthermore, this book provides non-destructive evaluation methods for defects and mechanical properties of as deposited alloy steel and cast iron. Engineers can carry out non-destructive testing of damaged parts according to the methods provided in this book.

Provides nondestructive evaluation methods for defects and mechanical properties of deposited alloy steel and cast iron Realizes the control of the microstructure of alloy steel and cast iron through process parameters Clarifies the influence of process parameters of laser additive alloy steel and cast iron on defect distribution

Auteur

Shiyun Dong, professor, born in April 1973, is the Leader of the Laser Remanufacturing Group at the Key Laboratory of Remanufacturing Technology, Beijing, China, He has been engaged in equipment maintenance and laser remanufacturing technology research over two decades, and accomplished over 30 research projects supported by China National Nature Science Foundation program, National Sci-Tech Support Plan, National Key R&D Program and Beijing Sci-Tech Innovation Program. Professor Dong with his group members have made breakthroughs on the related theory, processing and applications which have been rewarded three items of China national second-class Science &
Technology Awards, four items of Provincial and ministerial first-class Science & Technology Awards. He has obtained over 30 patents, published 5books and over 100 papers on material laser processing, remanufactured equipment pieces non-destructive evaluation and life extension.

Shixing Yan, born in 1984, is an assistant researcher in the Key Laboratory of Remanufacturing Technology. He is engaged in the research of laser additive manufacturing/remanufacturing. He has undertaken 6 research projects such as the National Natural Science Foundation of China. He has published more than 30 SCI and EI papers, 10 authorized national invention patents, and edited 3 monographs.

Fuquan Li is an associate professor at the State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, who was ever a visiting scholar at the Laser Processing Centre of the University of Manchester, UK. He is a senior member of the Laser Processing Committee of Optical Society of China. He has completed over 10 scientific research projects such as sub-projects of the National Key Research and Development Program, the National Natural Science Foundation of China, basic scientific research of national ministries and commissions, the Aerospace Innovation Fund, and the National Postdoctoral Fund. His main research fields are laser welding, additive manufacturing and laser surface engineering.

Xuan Zhao, who gained the Doctoral degree on laser additive manufacturing from Harbin Institute of Technology, Heilongjiang province, China, is a Senior Welding Engineer at Chengdu Holy Industry & Commerce Corp. Ltd., Sichuan province, China. He is being engaged in aviation engine manufacturing and maintenance, and has published eight papers indexed by Science Citation Index.

Xiujian Tang, born in March 1980, is an associate professor of the Key Laboratory of Remanufacturing Technology, a member of the Production Engineering Branch of the Chinese Mechanical Engineering Institute, and a member of the Engineering Training and Research Branch of the Beijing Higher Education Institute. He is mainly engaged in teaching and research on advanced manufacturing, and has presided more than 10 provincial and ministerial scientific research projects, published more than 100 papers, and authorized nearly 20 national invention patents. He has published 6 monographs.

Xiaoting Liu, born in 1983, is an assistant researcher in the Key Laboratory of Remanufacturing Technology. She is engaged in the research of laser additive manufacturing/remanufacturing. She is now working mainly in the field of laser processing and materials characterization. She has published more than 20 SCI and EI papers, and 4 authorized national invention patents.

Contenu

Introduction.- laser additive remanufacturing equipments and procedurs.- Defect control during laser additive Remanufacturing.- Microstructure evolution of laser additive Remanufacturing.- Forming law and control measures of laser additive Remanufacturing.- Nondestructive evaluation of mechanical properties of laser additive remanufactured parts.- Application and Prospect of laser additive remanufacturing repair and life extension technology.