Numerical simulation on directional solidification and heat treatment processes of turbine blades  

作　　者：Ye-yuan Hu Ju-huai Ma Qing-yan Xu 

机构地区：[1]School of Materials Science and Engineering,Tsinghua University,Key Laboratory for Advanced Materials Processing Technology,Ministry of Education,Beijing 100084,China

出　　处：《China Foundry》2024年第5期476-490,共15页中国铸造（英文版）

基　　金：supported by the Stable Support Project and the Major National Science and Technology Project(Grant No.2017-VII-0008-0101).

摘　　要：Study on turbine blades is crucial due to their critical role in ensuring the efficient and reliable operation of aircraft engines.Nickel-based single crystal superalloys are extensively used in the hot manufacturing of turbine blades due to their exceptional high-temperature mechanical properties.The hot manufacturing of single crystal blades involves directional solidification and heat treatment.Experimental manufacturing of these blades is time-consuming,capital-intensive,and often insufficient to meet industrial demands.Numerical simulation techniques have gained widespread acceptance in blade manufacturing research due to their low energy consumption,high efficiency,and rapid turnaround time.This article introduces the modeling and simulation of hot manufacturing in single crystal blades.The discussion outlines the prevalent mathematical models employed in numerical simulations related to blade hot manufacturing.It encapsulates the advancements in research concerning macro to micro-level numerical simulation techniques for directional solidification and heat treatment processes.Furthermore,potential future trajectories for the numerical simulation of single crystal blade hot manufacturing are also discussed.

关 键 词：single crystal blades Ni-based superalloy directional solidification heat treatment numerical simulation 

分 类 号：TG146.15[一般工业技术—材料科学与工程]