多次补焊对转向架构架焊接接头机械性能的影响
Locomotive & Rolling Stock Technology(2011)
Abstract
采用焊接工艺试验方法,研究了焊接构架用SMA490低合金结构钢板对接焊缝经过多次补焊后的组织和性能变化特征,为高速动车组焊接转向架多次补焊的可行性提供了一定的试验依据。
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