Aiming at the selection of the static state picture material for weather program on TV,we summarize the problem that should be paid attention to when we choice and manage material.

According to the characteristics difficult to cut of titanium alloy,several cemented carbide tool materials which are widely used in China at present were selected in the tests of machining titanium alloy workpieces.

This paper presents the situation of wind power generation,the application and development of materials of large-scale wind turbine blades,and analyses are performed about the development trend of wind turbine blade materials,the correlative suggestion are put forward.

A new kind of flier plate material with graded density has come to show great potential for the application in dynamic high pressure technology.