Show work if any equations or calculations are used.What is the main alloying element and carbon percentage of SAE-AISI 4621 Steel?
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What is the main alloying element and carbon percentage of SAE-AISI 4621 Steel?
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- What is the composition (wt% C) of a steel with AISI designation 1090? .Would this be considered a low, medium, or high carbon steel? (circle one)According to Reference [1], alloys of nickel (Ni) and tungsten (W) are can form substitutional solid solutions up to approximately 11 at% W. Consider two different alloy compositions: Ni-5W (5 at% W) and Ni-10.5W (10.5 at% W). A. Which composition should be more ductile? B. Which composition should be stronger? C. Using the oy~ C¹/2 relationship from the lecture slides, how many times larger should the yield strength be for Ni-10.5W compared to Ni-5W? D. Where should the tungsten atoms sit relative to the dislocation on or opposite the side with the extra half-plane? You will need information from Appendixes of the textbook.Question 1 You are working on a design team at a small orthopaedic firm. You have been asked to select a cobalt- chrome-molybdenum (CoCr) material that will not experience plastic deformation under a specific mechanical test, as follows... A tensile stress is applied along the long axis of a solid cylindrical rod that has a diameter of 10 mm. An applied load of some magnitude F produces a 7x10-³ mm change in diameter (see figure below, original shape is blue, elongated shape is unshaded). Q1A-B: Calculate the transverse strain in the x-direction (Ex) associated with the reduction in diameter. Calculate the axial strain in the z-direction (₂) associated with the length increase.
- Please answr thisApproximately how many degrees wide is the transition range at the 0.1 carbon alloy?Question 1 You are working on a design team at a small orthopaedic firm. You have been asked to select a cobalt- chrome-molybdenum (CoCr) material that will not experience plastic deformation under a specific mechanical test, as follows... A tensile stress is applied along the long axis of a solid cylindrical rod that has a diameter of 10 mm. An applied load of some magnitude F produces a 7x10³ mm change in diameter (see figure below, original shape is blue, elongated shape is unshaded). Q1F: How would the "new alloy" material (with different properties as shown below) behave, assuming it has the same initial diameter (10mm) and applied load (F) in the tensile test? That is, would it experience plastic deformation (yield) under the conditions of this problem?
- Identify the main properties trend (grain size, ductility, strength, hardness) of metal alloys as a percent of cold work on the diagram below.Determine the tensile strength, yield strength and percentage elongation (% ductility) for an iron- carbon alloy with 0.76 wt % carbon composition. O Yield strength - 60000 psi : Tensile strength - 110000 psi: Ductility - 15% O Yield strength - 130000 psi : Tensile strength - 68000 psi;: Ductility - 10% O Yield strength - 68000 psi : Tensile strength - 130000 psi; Ductility - 10% O Yield strength 50000 psi: Tensile strength - 100000 psi: Ductility - 20% O Yield strength - 86000 psi : Tensile strength 150000 psi: Ductility 25%Specify the number of degree of freedom for the following alloys. Refer to the pictures below. A) 95 wt% Ag-5 wt% Cu at 780C B) 2.5 wt% C-97.5 wt% Fe at 1000C
- In the AISI steel alloy group numbering system, alloys ASI 40 XX through the ASI 48XX are vanadium based alloy steels. True or false.T or F -In the hypereutectoid steel alloy, the primary phase is Cementite ( iron carbide ) -In the Pb-Sn hypoeutectic alloy, the primary phase is the α-phase -The eutectic composition of the solder alloy is 98%wt Sn -In the steel alloys, the weight percent of the alloying elements affects the eutectoid temperature and Ceutectoid wt%C -Austenite phase has a BCC crystal structure The microstructure is characterized by: a.The number of phases present b.The present phases’ proportions. c.How these phases are arranged or distributed d.all of the answersB- Describe the microstructure and mechanical properties produced in carbon steel which contain 0.5wt% carbon ,when subject to the following heat treatment:- 1- Heated to 870°C and water quenched to room temperature. 2- Heated to 870°C and furnace cooled to room temperature. 3- Heated to 870°C and cooled in air to room temperature.