Metamaterials (Metamaterial) is a kind of new material of the 21st century, it has special properties that natural materials do not have, which mainly come from the artificial special structure. At present these materials mainly used in the ...
Black oxide is a kind of commonly used method of chemical surface treatment. The principle is to make the metal surface to produce a layer of oxide film, to isolate the air and attain purpose of rust protection....
In recent years metal injection molding technology is mainly developing in two directions: The expansion of the material system. High reliability of production equipment developed to meet the unique binder and degreasing technology...