Research Progress in Cracking-resistance of Laser Additive Manufactured Mar-M247 and CM247LC Superalloys
The current research status on types,formation mechanisms,and suppression methods of cracks in laser additive manufactured Mar-M247 and CM247LC superalloys was comprehensively reviewed.The development trend of crack-free Mar-M247 and CM247LC alloys by laser additive manufacture was prospected from aspects of parameter optimization,field assistance and material development.The application of advanced parameter statistics to accelerate process screening,the design of more flexible preheating methods,and the development of novel printing materials enabled by artificial intelligence can be an important development direction.
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