焊接方法对X90管道环焊接头断裂韧性的影响 - 任伟; 帅健 (焊接学报, 2024)
Keywords: 环焊接头; 阻力曲线; the girth weld; 焊接方法; fracture toughness; R curve; 断裂韧性; welding method; low con-straint specimens; 低约束试件