粉末高温合金研究进展与应用

粉末高温合金由于特有的组织与性能已成为制造先进航空发动机涡轮盘的优选材料.为提升航空发动机的使用性能及可靠性,对粉末高温合金从材料、制造技术到涡轮盘的工程化应用进行全面和深入的研究,在粉末盘相应的关键技术上取得突破性进展,确立粉末盘制备的工艺路线,并制定工艺与检测的技术文件.为缩短研制周期,优化工艺过程.数值模拟技术也在粉末盘制备过程中得到广泛应用,并取得初步验证实验结果.

Development and Application of P/M Superalloy

P/M superalloy becomes excellent material for fabricating turbine discs used for advanced aviation enging due to its special structure and properties.To advance the applicable property and security of aviation enging,the material from melting original alloy to engineering application of turbine disc was studied,and remarkable results in aspect of so many key technologies were gained due to the result of the foundation of fabricating technique for turbine disc and the establishment of process and testing documents.Numerical simulation is widely used to fabricate P/M turbine disc for the purpose of shortening studying period and optimizing processes,and the preparatory experimental results were achieved.