Reduce the formation of δ-ferrite strips in laser spot welded Al-Si coated PHS joints due to Al and Si segregation; Use numerical modeling to understand flow and thermal behaviors.
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机译：减少由于 Al 和 Si 偏析而导致的激光点焊 Al-Si 涂层 PHS 接头中δ铁氧体带的形成;使用数值建模来了解流动和热行为。
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