Residual stress inevitably occurs at the weld in the process of manufacturing thick pressure hulls for manned submersibles. which affects the bearing capacity of the hull. In this study. an electron-beam-welded 32 mm-thick Ti-6Al-4V plate specimen is first tested. https://www.bekindtopets.com/flash-pick-Ovation-Toddler-Metallic-Schooler-Helmet-XXSmall-XSmall-hot-choice/