The dynamic recrystallization properties of superalloy GH4169 inertia friction welding joint
The dynamic recrystallization properties of superalloy GH4169 inertia friction welding joint
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发表时间：
2002
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通讯作者：
Yang Jun
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作者：
Yang Jun
GH4169高温合金惯性摩擦焊在一定的温度、应变和应变速率条件下容易发生动态再结晶。研究结果表明，由于惯性摩擦焊接时间较短，动态再结晶过程充分，动态回复不足，在动态再结晶过程中，有些结晶过程仍处于形核阶段。这是惯性摩擦焊接接头中产生细晶和超细晶组织的原因。
It is easy to start dynamic recrystallization of GH4169 superalloy inertia friction welding when the temperature, strain and strain rates reach at a certain conditions. The research result shows, it has been found some crystallization process are still at the nucleation stage in the dynamic recrystallization, because the inertia friction welding time is very short so that the dynamic recrystallization process is sufficient and the dynamic restoration is insufficient. It is the reason that fine grain and superfine grain microstructure produced in the joints of inertia friction welding.