Composite Materials
102609Module 2: Lamina Assumptions and Properties
Q.1(d). The Rule of Mixtures is used to determine (i) Hardness only (ii) Composite properties from constituent properties (iii) Tool wear (iv) Surface roughness20262m
Module 2: Lamina Assumptions and Properties
View this question on its own page →The Rule of Mixtures is used to determine
(i) Hardness only
(ii) Composite properties from constituent properties
(iii) Tool wear
(iv) Surface roughness
Q.1(e). A lamina is (i) Single layer of composite material (ii) Multi-layer composite (iii) Matrix material alone (iv) Fiber bundle20262m
Module 2: Lamina Assumptions and Properties
View this question on its own page →A lamina is
(i) Single layer of composite material
(ii) Multi-layer composite
(iii) Matrix material alone
(iv) Fiber bundle
Q.3(a). State the assumptions of lamina theory and derive the generalized Hooke's law for an orthotropic lamina.20267m
Module 2: Lamina Assumptions and Properties
View this question on its own page →State the assumptions of lamina theory and derive the generalized Hooke's law for an orthotropic lamina.
Q.3(b). Explain the orthotropic stiffness matrix and transformed stiffness matrix for composite lamina.20267m
Module 2: Lamina Assumptions and Properties
View this question on its own page →Explain the orthotropic stiffness matrix and transformed stiffness matrix for composite lamina.
Q.4(a). Discuss the Rule of Mixtures and its significance in predicting composite properties.20267m
Module 2: Lamina Assumptions and Properties
View this question on its own page →Discuss the Rule of Mixtures and its significance in predicting composite properties.
Q.4(b). Explain transformation matrices and their use in stress-strain transformation.20267m
Module 2: Lamina Assumptions and Properties
View this question on its own page →Explain transformation matrices and their use in stress-strain transformation.
Q.5(a). A composite has fiber strength of 2500 MPa and matrix strength of 60 MPa. Fiber volume fraction is 0.7. Determine longitudinal strength.20267m
Module 2: Lamina Assumptions and Properties
View this question on its own page →A composite has fiber strength of 2500 MPa and matrix strength of 60 MPa. Fiber volume fraction is 0.7. Determine longitudinal strength.