1 Research progress on selective laser melting (SLM) of bulk metallic glasses (BMGs): A review Peilei Zhang a,b,c* , Jie Tan a,b , Yingtao Tian d* , Hua Yan a,b , Zhishui Yu a,b* a School of Materials Engineering, Shanghai University of Engineering Science, Shanghai 201620, China b Shanghai Collaborative Innovation Center of Laser Advanced Manufacturing Technology, Shanghai 201620, China c Fraunhofer Institute for Laser Technology ILT, Aachen 52074, Germany d Department of Engineering, Lancaster University, Lancaster LA1 4YW, United Kingdom Contents 1. Introduction ............................................................................................................................................................. 3 2. SLM process of BMGs ............................................................................................................................................ 9 2.1 Fe-based BMGs by SLM ............................................................................................................................... 9 2.1.1 Parameters of SLM ............................................................................................................................. 9 2.1.2 Crystallization in SLM....................................................................................................................... 11 2.1.3 Defects in SLM ................................................................................................................................. 13 2.1.3.1 Cracks .................................................................................................................................... 13 2.1.3.2 Pores ...................................................................................................................................... 15 2.2 Zr-based BMGs by SLM ............................................................................................................................. 16 2.2.1 Parameters of SLM ........................................................................................................................... 16 2.2.2 Crystallization in SLM...................................................................................................................... 17 2.2.3 Defects in SLM ................................................................................................................................. 22 2.2.3.1 Cracks .................................................................................................................................... 22 2.2.3.2 Pores ...................................................................................................................................... 23 2.3 Al-based BMGs by SLM ............................................................................................................................. 26 2.4 Other-based BMGs by SLM ........................................................................................................................ 27 2.4.1 Parameters of SLM ........................................................................................................................... 27 2.4.2 Crystallization in SLM...................................................................................................................... 28 2.4.3 Defects in SLM................................................................................................................................. 29 2.5 Simulation of BMGs by SLM...................................................................................................................... 30 2.5.1 Thermomechanical model of BMGs by SLM................................................................................... 30 2.5.2 Crystallization modeling of BMGs by SLM ..................................................................................... 32 2.5.2.1 Finite element modeling (FEM)............................................................................................. 32 2.5.2.2 Molecular dynamics modeling (MDM) ................................................................................. 33 3. Properties of BMGs by SLM ................................................................................................................................. 35 3.1 Mechanical properties.................................................................................................................................. 35 3.1.1 Mechanical properties of BMGs ....................................................................................................... 35 3.1.1.1 Fe-based BMGs ..................................................................................................................... 35 3.1.1.2 Zr-based BMGs...................................................................................................................... 37 3.1.1.3 Other-based BMGs by SLM .................................................................................................. 41 3.1.2 Wear resistance ................................................................................................................................. 43 * Corresponding authors: Peilei Zhang ([email protected]), Yingtao Tian ([email protected]) and Zhishui Yu ([email protected])
Research progress on selective laser melting (SLM) of bulk metallic glasses (BMGs): A review
Jun 24, 2023
Welcome message from author
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Related Documents
