计算结果还表明，残余应力的变化对超高强度钢材焊接工形截面轴心受压柱整体稳定承载力的影响较小。
The FEA also indicated that the residual stress only has little effect on the overall buckling resistance of the ultrahigh strength steel columns.
采用航天铝钛合金及超高强度合金钢材料，强度高，重量轻。
Made of spaceflight Al-Ti alloy and super high strengthened alloy steel material, high strength, light weight.
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