MIL-STD-3033, DEPARTMENT OF DEFENSE TEST METHOD STANDARD: PARTICLE / SAND EROSION TESTING OF ROTOR BLADE PROTECTIVE MATERIALS (28 JUL 2010)., This standard describes a test method for testing the materials used as erosion protective systems of helicopter rotor blades for resistance to solid particle/sand erosion. These materials can be but are not limited to elastomers, other polymers (including reinforced plastics and composites), metals (including metal matrix composites), ceramics and coatings. 作者: 男教师 时间: 2017-8-18 20:09:04