Solidification Microstructure of Rene95 Superalloy by Laser Metal Forming

• 作 者: FENGLi-pin LINXin CHENDa-rong
• 机 构: TsinghuaUniversity／／NorthwesternPolytechnicalUniversity,NorthwesternPolytechnicalUniversity
• 出 处: 武汉理工大学学报：材料科学英文版
• 发表日期: 2004年B10期
• 关键词: 激光金属成形 定向凝固 单晶 机械性能 显微结构 超耐热合金 laser metal formingdirectional solidificationsing
• 基金项目: undedbytheNationalKeyBasicResearchDevelopmentProgramofChina (“973”) (No .G2 0 0 0 0 6 72 0 53) ,andthePostdoc toralFoundationofChina(No .2 0 0 30 3414 3)

Rene95 powder and different substrates were selected to be conducted by the laser metal forming technique. It is found that the cladding layers with either columnar or equiaxed grains con be obtained under dif-ferent solutifieation conditions. As the crys