GH4169合金塑性加工成形与组织调控方法综述
Review of plastic processing and microstructure control method of GH4169 alloy
张士宏 1刘家旭 2张海燕 3甘洪岩 4叶能永 5宋鸿武 1程明1
作者信息
- 1. 中国科学院金属研究所师昌绪先进材料创新中心,辽宁沈阳 110016
- 2. 中国科学院金属研究所师昌绪先进材料创新中心,辽宁沈阳 110016;中国科学技术大学材料科学与工程学院,辽宁沈阳 110016
- 3. 宁波工程学院机械与汽车工程学院,浙江宁波 315336
- 4. 沈阳职业技术学院机械工程学院,辽宁沈阳 110045
- 5. 台州学院材料科学与工程学院,浙江台州 318000
- 折叠
摘要
针对高温合金零部件的精密成形制造由于工艺复杂、成形效率和精度低,其微观组织、力学性能及成形精度难以协同控制的问题,采用组织调控和成形工艺优化作为实现高温合金零部件成形成性一体化制造的有效手段.作为一种高温稳定相,δ相常出现于塑性变形及热处理过程中,其析出量与形貌影响合金的微观组织及力学性能.因为零件结构及服役条件的差异,所要求的组织、性能和采取的制备工艺也不尽相同.介绍了环类、盘类及叶片类3类典型的GH4169合金零件的塑性加工技术,同时引出δ相在其中起到的作用,继而对δ相的析出、球化和溶解等演化行为及其对合金变形行为和力学性能的影响进行了阐述与总结.
Abstract
Aiming at the problems of complex process,low efficiency and accuracy of forming,and difficult cooperative control of micro-structure,mechanical properties and forming accuracy of superalloy parts,microstructure control and forming process optimization are a-dopted as effective means to realize forming and modification integrated manufacturing of superalloy parts.As a high-temperature stable phase,δ phase often occurs during plastic deformation and heat treatment processes,and the precipitation amount and morphology of pre-cipitates affect the microstructure and mechanical properties of the alloy.Due to the differences in component structure and service condi-tions of the parts,the required microstructure,properties and processing technology are also diverse.The plastic processing technologies of ring,disk and blade GH4169 alloy parts were introduced,while also introduced the role that δ phase plays in it.Subsequently,the e-volution behavior of δ phase,such as precipitation,spheroidization and dissolution,and its influence on the deformation behavior and me-chanical properties of the alloy were described and summarized.
关键词
GH4169合金/塑性成形工艺/组织演化/δ相/力学性能Key words
GH4169 alloy/plastic forming process/microstructure evolution/δ phase/mechanical property引用本文复制引用
基金项目
辽宁省国际科技合作项目(2022JH2/10700006)
辽宁省国际科技合作项目(2023JH2/10700014)
国家自然科学基金(51505240)
出版年
2024
NETL
NSTL
维普
万方数据