We report both experimentally and numerically that ultra-broadband asymmetric acoustic transmission is realized by a brass plate and a right triangle reflector
The yttraluminizing coating on the Ni-base superalloys has been developed by dipping thespecimens in a specially made yttrium-containing slurry as an underlayer
The pits and pit-associated fatigue crack initiation of the offshore structure steel A537cLlhave been investigated under salt water spray condition.The tests we
The regularity and mechanism of the microplastic deformation of steel 1Cr18Ni9Ti both solu-tion-treated and prestrained were investigated.In the different stage
Using gauge field theory of defects,the effective critical extension force in elastic-plasticfracture mechanics was given.The rationality of logarithm of effect