( ) is not true
A: particles of a hard and stiff material added to a ductile matrix increase its ductility and stiffness
B: plywood is a laminated composite
C: laminated composite was used in aerospace structure
D: Diameters of fiber used in composite are in the range of 1μm to 100μm.
A: particles of a hard and stiff material added to a ductile matrix increase its ductility and stiffness
B: plywood is a laminated composite
C: laminated composite was used in aerospace structure
D: Diameters of fiber used in composite are in the range of 1μm to 100μm.
举一反三
- advanced composites ( ) aggregate composite ( ) anisotropic ( ) carbon–carbon composite ( )ceramic–matrix composite ( )cermet ( ) continuous fiber ( ) discrete (chopped) fiber ( ) E- glass ( ) fiberglass ( ) fiber- reinforced composite ( ) hybrid ( ) interfacial strength ( ) isostrain ( ) isostress ( ) laminate ( ) matrix ( ) metal–matrix composite ( ) particulate composite ( ) polymer–matrix composite ( ) property averaging ( ) specifc strength ( ) strength- to- weight ratio ( ) whisker ( ) woven fabric ( )dispersion-strengthened metal ( )
- The majority of composite use two consistuents: （） A: matrix B: fiber C: resin D: reinforcement
- Fiber reinforced polymer mainly refers to composite materials. If carbon fiber is embedded in epoxy resin, the strength of the composite will be increased.
- According<br/>to the ratio between composite materials and structural weight, which<br/>of the following used most composite materials? ____. A: F-22 B: A380 C: A400M D: B787
- For fabrication of fiber reinforced composite, in which one weak<br/>interface is desired to ensure the composite possess high toughness.(<br/>) A: Carbon fiber reinforced titanium. B: Carbon fiber reinforced carbon composite. C: Glass fiber reinforced polymer.