Effect of rotation speed on temperature field and axial shortening of inertia friction welded GH4169 joints by numerical simulation
Effect of rotation speed on temperature field and axial shortening of inertia friction welded GH4169 joints by numerical simulation
复制标题
数值模拟转速对惯性摩擦焊接GH4169接头温度场和轴向缩短的影响
DOI:
10.1007/s12204-011-1143-2
复制
发表时间:
2011-06
影响因子:
--
通讯作者:
Li JL
中科院分区:
文献类型:
--
作者:
Chen L;Li WY;Li JL
A 2D finite element model was established for inertia friction welding of GH4169 nickel-base superalloy based on the ABAQUS environment. The remeshing and map solution techniques were adopted to solve the problem of element distortion. The effect of rotation speed on the temperature field and axial shortening of joints was investigated. The results show that the interface temperature increases rapidly to higher than 900°C within 1 s. And then, it increases slowly to a quasi-stable value. The axial shortening begins to augment quickly when a uniform interface temperature field has formed and the plasticized material is extruded from the interface to form an obvious flash. The rotation speed of the flywheel controls the welding process and has a significant influence on the temperature evolution and axial shortening of joints.
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