What is composite material? Classify Constituent materials.
[3 marks]What is the need of Composite materials in the field of Aviation?
[4 marks]Derive equations for volume and weight fractions.
[7 marks]What is the mechanical behavior of composite materials?
[3 marks]Compare Polyester resins with Epoxy resins.
[4 marks]Derive In plane Shear modulus with neat sketch.
[7 marks]Determine the transverse modulus of a unidirectional lamina with neat sketch.
What is FRP?
[3 marks]Which metals are use in aerospace industry?
[4 marks]Identify of laminate. 1. [90|0] 2. [45|0|-45] 3. ['±30] 4. [0|90|0|90] 5. [60|02|60] 6. [20|45|-20|-45] 7. [0|90]S
[7 marks]The E-glass fibre in a polyester resin is 35% by weight. Given ρf = 2.50 gm/ml and ρm = 1 gm/ml. Calculate Vf and ρc for the lamina.
[3 marks]Explain Carbon fibres
[4 marks]Stress-strain relation of specially Orthotropic Material.
[7 marks]Define Lamina and laminate.
[3 marks]What is the need of Fillers? Explain in details.
[4 marks]Explain about super Alloys.
[7 marks]How many numbers of independent elastic constants for monoclinic material?
[3 marks]What do you mean by balanced laminate?
[4 marks]Explain stress-strain relation of an Isotropic Material.
[7 marks]What is the application of laminated composite?
[3 marks]What are the basic assumptions for analysis of laminated composites?
[4 marks]Discuss in details anti symmetric laminates.
[7 marks]What are the properties of composite laminates?
[3 marks]Write in detail classification of laminates.
[4 marks]Derive Strain-Displacement relationship of a laminate along with neat sketch stating all the necessary assumptions.
[7 marks]