材料工程Issue(6)：76-79,4.
Ru对单晶高温合金拉伸性能的影响
Effect of Ru on the Tensile Property in Single Crystal Superalloys
摘要
Abstract
In order to investigate the effect of Ru in single crystal superalloys containing rhenium, the tensile property and deformation microstructure were studied by scanning electron microscope and transmission electron microscope. The results show that with the increasing of ruthenium content, the size of y phase decrease and the cubic degree increase. At 900^0, the yield strength and tensile strength increase slightly,with the increase of Ru additon. The fracture mode is all pure shear mode for these three alloys. The deformation mechanism is the dislocation pair by anti-phase domain. The additions of ruthenium increase the tensile strength slightly, but not change the deformation mechanism and fracture characteristics.关键词
Ru/单晶高温合金/屈服强度/抗拉强度/断裂特征/位错/纯剪切Key words
Ru/single crystal superalloy/yield strength/tensile strength/fracture characteristic/dislocation/ pear shear分类
矿业与冶金引用本文复制引用
刘丽荣,祖国庆,李晓宇,金涛,胡壮麒..Ru对单晶高温合金拉伸性能的影响[J].材料工程,2012,(6):76-79,4.基金项目
国家自然科学基金资助项目(50901046) （50901046）
