采用二维有限元数值方法分析了焊接热影响区粗晶区（CGHAZ）中局部硬化区（LHZ）的作用。
The effect of the local hard zone (LHZ) distributed in the coarse grained HAZ (CGHAZ) has been analyzed by 2-dimensional FEM on a mechanical model of the weld CGHAZ.
采用二维有限元数值方法分析了焊接热影响区粗晶区（CGHAZ）中局部硬化区（LHZ）的作用。
The effect of the local hard zone (LHZ) distributed in the coarse grained HAZ (CGHAZ) has been analyzed by 2-dimensional FEM on a mechanical model of the weld CGHAZ.
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