On the structural analysis of open-keyhole puzzle locks in ancient china
Sign Up to like & getrecommendations! Published in 2017 at "Mechanism and Machine Theory"
DOI: 10.1016/j.mechmachtheory.2017.08.003
Abstract: Abstract Some locks namely “open-keyhole puzzle locks” with exposed keyholes can be very tricky to open. This work analyzes the structures of open-keyhole puzzle locks, which were widely used with plentiful types in ancient China.… read more here.
Keywords: keyhole puzzle; puzzle locks; open keyhole; ancient china ... See more keywords
Fundamental understanding of open keyhole effect in plasma arc welding
Sign Up to like & getrecommendations! Published in 2023 at "Physics of Fluids"
DOI: 10.1063/5.0144148
Abstract: The keyhole arc welding technique has the advantage of improving welding efficiency by utilizing a stable keyhole mode. Accurate understanding of the keyhole effect is necessary to enhance the welding quality. Due to the high… read more here.
Keywords: plasma arc; arc welding; keyhole; open keyhole ... See more keywords