Effects of temperature on tensile properties and deformation behavior of GH4586A superalloy  

作　　者：刘杨[1] 王磊[1] 

机构地区：[1]东北大学

出　　处：《材料与冶金学报》2006年第4期288-291,299,共5页Journal of Materials and Metallurgy

摘　　要：Effects of temperature on tensile properties and deformation behavior of the nickel-based superalloy GH4586A have been investigated. The results showed that deforming temperature has no effect on the microstructure of the alloy, while tensile properties are thermo-sensitive. With the increasing testing temperature the strength of the alloy decreased, and the ductility increased. While, the ductility of the alloy decreased weakly at the temperature range of 823 K to 923 K. And the main reason can be considered as the easily-broken of the MC type block carbides due to the stress concentration at the interface between the matrix and carbides to form the micro-cracks during the deforming process.Effects of temperature on tensile properties and deformation behavior of the nickel-based superalloy GH4586A have been investigated. The results showed that deforming temperature has no effect on the microstructure of the alloy, while tensile properties are thermo-sensitive. With the increasing testing temperature the strength of the alloy decreased, and the ductility increased. While, the ductility of the alloy decreased weakly at the temperature range of 823 K to 923 K. And the main reason can be considered as the easily-broken of the MC type block carbidesdue to the stress concentration at the interface between the matrix and carbides to form the micro - cracks during the deforming process.

关 键 词：高温合金 拉伸性能 变形性 温度 

分 类 号：TG132.3[一般工业技术—材料科学与工程]