Prob. 4.6-4. As illustrated in Fig. P4.6-4, a composite shaft is made by connecting together at joint B two tubular seg- ments of the same outer diameter d. = 3 in. and inner diameter d, = 2 in. Aluminum-alloy segment AB has a shear modulus G₁ = 4 x 10³ ksi and length L₁= 30 in.: titanium segment BC has a shear modulus G₂ = 6 x 10 ksi and length L₂ = 35 in. An external torque T = 100 kipin. is applied to the shaft at joint B, and ends A and C are fixed against rotation. (a) Determine 7, and 7₂, the internal torques in segments AB and BC, respectively. (b) Determine the maxi- mum shear stress in each segment. (c) Finally, determine the maximum tensile stress in the shaft. (Hint: Recall Sec- tion 4.4.)

Q: An AISI 1040 hot-rolled steel [E = 207 GPa; α = 11.3×10–6/°C] bar is held between two rigid…

A:

Q: Aluminum E = 70 GPa A = 900 mm² a = 23 µm/m°c a = 11.7 µm/m°C Steel E = 200 GPa А%3D 1200 тm? R R…

A: As math type is not available, providing hand written solution

Q: R14-7 The principal stresses at a point are shown in the figure. If the material is A36 steel,…

A: Given data: The stress along the plane 1 is 84 MPa The stress along plane 2 is 56 MPa The stress…

Q: An aluminum alloy [E = 72 GPa; v = 0.33; a= 23.0 x 10-6/°C] plate is subjected to a tensile load P.…

A:

Q: REACTION OF A RIGID PLATE II A) Determine the internal and external reaction forces of a composite…

A: Determine the internal and external reaction forces of a composite structure. To check the solution…

Q: H.W 3 Two aluminum alloy plates (2) are attached to the sides of a wooden beam (1) as shown in…

A: The given data is: Mz=600 Nm E1=12.5 GPa E2=70 GPa The modular ratio will be: n=E2/E1=70/12.5=5.6

Types of Composite

Composite materials are formed by merging two components that have different chemical and physical properties. The merged output is termed as a composite, whose properties are completely different from the individual components. Composite materials also have better strength than the individual components.Composite materials usually have two main parts, reinforcement material, and matrix material. The matrix material acts as a binder and surrounds the fiber of another material that bears a much higher strength. This material is known as the reinforcement material. The matrix materials are usually high-strength additives resins, while the fibers of the reinforced material can be random, oriented, and in a mat format.Composite materials are also known as fiber-reinforced composite polymers because they are composed of the polymer matrix which is reinforced to laboratory-created fibers or naturally occurring fibers, such as glass fibers, carbon fibers, or aramid fibers. Under the application of external loads, the matrix material absorbs and transfers the loads to the fibers, these fibers in return provide good compressive strength, tensile strength, and stiffness to the fiber-reinforced composite materials.Depending upon the matrix and the reinforcement material, different properties can be induced to the fiber-reinforced composite materials, including good corrosion resistance properties. The most common matrix material is the resin while the glass fibers act as the reinforcement material. Strong fibers provide strength and stiffness to the composite materials while, a soft and flexible resin provides shape to the composite materials.