A 50.8-mm-deep gas tungsten arc weld was made with matching filler metal in cast Haynes 282 alloy. The narrow-gap joint was filled with 104 weld beads. Visual and dye-penetrant inspection of cross-weld specimens indicated that the cast base metal contained numerous casting defects. No visible indications of physical defects were found in the weld deposit. The weld heat-affected zone was characterized by microcracking and localized recrystallization. The cause of the cracking could not be determined. Hardness testing showed that a softened region in the as-welded heat-affected zone was nearly eliminated by post-weld heat treatment. Tensile testing up to 816 °C showed that cross-weld specimen strengths ranged from 57 to 79% of the cast base metal tensile strength. The stress-rupture strengths of cross-weld specimens are within 20% of base metal reference data. Failures of both tensile and stress-rupture specimens occurred in the base metal.

用铸造的Haynes 282合金与匹配的填充金属制成50.8毫米深的钨极氩弧焊。窄缝接头填充有104个焊缝。目视检查和染色渗透检查交叉焊接的样品表明，铸基金属含有许多铸件缺陷。在焊缝中未发现明显的物理缺陷迹象。焊缝热影响区的特征是微裂纹和局部重结晶。无法确定开裂的原因。硬度测试表明，焊后热处理几乎消除了焊接时热影响区的软化区域。高达816°C的拉伸试验表明，交叉焊接的样品强度为铸造母材抗张强度的57％至79％。交叉焊接样品的应力断裂强度在贱金属参考数据的20％以内。拉伸和应力断裂试样均在母材中失效。