| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1629454 | Journal of Iron and Steel Research, International | 2007 | 5 Pages |
Abstract
The kinetics of ɛ-Cu particles dissolution in the matrix during welding of a copper-precipitation strengthening steel was determined by a combination of GleebleTM physical simulation, TEM examination and hardness measurement. The ɛ-Cu particles underwent a coarsening and part dissolution and then complete dissolution reaction as the peak temperature increased from 750 to 1 000 °C, which resulted in the decrease in the number density of ɛ-Cu particles and hardness in the heat-affected zone (HAZ). The results can be used to understand the evolution of this transformation and a softening behavior of the HAZ during welding of this type of steel.
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