Ductile materials have more impact strength compared to brittle materials. Select one: True False
Q: A cylindrical rod made from an unknown metal is 350mm long and has a diameter of 10mm. The rod is…
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Q: The stress strain curve of Mild steel shows a. zero plastic deformation b. the curve is straight c.…
A: Please refer to the attached image a. The point A represents the yield point of mild steel . The…
Q: Is the bulk modulus used to measure the stiffness of a volume of material?
A: The bulk modulus property of the material is associated with its behavior of elasticity. It is one…
Q: Fatigue failure is O ductile like in nature even in normally ductile materials O brittle like in…
A: Fatigue failure is the cyclic loads which are applied to material over a period of time, due to…
Q: Based upon the percent elongation of a tensile sample, A ductile engineering materials to find by…
A: GIVEN: Based upon the percent elongation of a tensile sample, A ductile engineering materials to…
Q: Question 1: Elastic behaviour Rank the curves based on the elastic modulus of the materials…
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Q: What is the trend of the best fit line for the total energy E in your data? If the data is accurate,…
A: Given question : What is the trend of the best fit line for the total energy E in your data? If the…
Q: MECHANICAL PROPERTIES OF MATERIALS (stress and tensile stress) Does the electrical tape with the…
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Q: differences between strength, stiffness and stability ? Full
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Q: ycles to Failur ус
A: Non ferrous material like copper, aluminum and magnesium do not show proper endurance limits. On SN…
Q: -Answer the following questions by referring the given figure: (0.5 material specification + 0.5…
A: Dear student, As you have already have answer of first three subparts so I am…
Q: Fatigue failure in ductile materials is recognized when it fails: (Points: 2) (a) below tensile…
A: Fatigue failure is a types of failure which occurs due to fluctuation of cyclic loading . The…
Q: Answer the following questions by referring the given figure: (0.5 material specification + 0.5 mark…
A: Given:
Q: ) A- What is fatigue strength?
A: QUESTION : WHAT IS FATIGUE STRENGTH ? ANSWER:-
Q: Materials creep significantly in extremely cold weather True or false
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Q: The HB number associated with a tensile strength of 245,000 psi is ____________ HB
A: The relationship between the tensile strength of Brinell's hardness number (BHN) is given as,…
Q: As temperature decreases a ductile material can become brittle - ductile-to- brittle transition…
A: Solution:
Q: Q1: Comparison between behaviors of brittle and ductile metal of stress- strain curve?
A: we are to compare stress strain relationship in ductile and brittle materials
Q: O O O .. .is method used for testing the hardness of brittle materials such as ceramics. and polymer…
A: Rockwell hardness test is commonly used for testing hardness of brittle materials like ceramics and…
Q: Distinguish between the Brittle material and the Ductile material?
A: Brittle Materials: These materials elongate on the application of load to the materials. They can…
Q: define stress and positive stress. causes of stress,
A: Given question: Define stress, Positive stress and causes of stress.
Q: Hardness is correlated primarily with which of the following material properties? (This question has…
A: Measurement of resistance to plastic deformation which is localized. And resistance for scartching.…
Q: 2. Explain why the strengths of brittle materials are much lower than predicted by theoretical…
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Q: The ability of a material that undergoes some degree of permanent deformation without failure is…
A: Plasticity is permanent deformation without failure..
Q: Why do the Brittle materials fail in tension?
A: Brittle materials do not undergo significant plastic deformation. They thus fail by breaking of the…
Q: t should be considered for metals operating at high temperatures. A )Torsion B )Shear C) Creep…
A: To select the correct option.
Q: Which of the following is correct regarding the stress strain curve of Mild steel a. No elastic…
A: 1) The curve is initial elastic upto Elastic Limit. 2) The curve si straight upto LOP 3) After EL ,…
Q: Based on the stress-strain plots, which materials tested are stiff and which are tough? How can you…
A: Solution:
Q: Give some examples of brittle materials?
A: Brittle material is a kind of material in which breakdown occurs under very small tensile loads.…
Q: Description of stress- strain curve in brittle metal
A: Stress strain curve: In strength of material or material science, this curve will shows the relation…
Q: Please make brief and clear definitions of the terms below. 6.Hardness 7.Toughness
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Q: Brittle materials have less impact strength compared to ductile materials. Select one: True False
A:
Q: Brittle materials have less impact strength compared to ductile materials. Select one: True False
A: Given :- Brittle materials have less impact strength compared to ductile materials True False
Q: State what is measured by each of the following mechanical properties: i) Yield strength ii)…
A: Ductility : By using ductility we can measure degree of plastic deformation which has sustained at…
Q: Which choice below best describes the mechanical property of materials called toughness? a.…
A: Correct Answer - (c) How much energy a material can absorb without breaking.
Q: QUESTION 19 Which failure criterion can be applied to brittle materials? Select all applicable…
A: To select the correct option.
Q: The Factor of safety is the ratio of yield stress to the permissible stress for Brittle Material
A: Brittle Materials:- Brittle materials include glass, ceramics, graphite, and some alloys with…
Q: Do most materials exhibit both ductile and Brittle behavior?
A: Example of ductile materials is Mild steel copper aluminium plastics rubber
Q: The hardness of materials measured using Rockwell hardness test cannot be compared to hardness using…
A: Hardness Test: Hardness is defined as resistance offered by a material to permanent deformation by…
Q: Cartilage reduces stresses applied to bones by: a) b) Decrease the force transmitted from the bone.…
A: Cartilage reduces stresses applied to bones by Increasing the area of contact between articulating…
Q: brittle material will not yield at all, when it is subjected to external loading Select one: True…
A: It is required to evaluate given statement
Q: a. Define 'mechanical property" of an engineering material. b. State any six mechanical properties,…
A: as per our rule i solved 1st 3 parts 1(a)Mechanical properties are the physical properties of the…
Q: 8) 2.Recrystallization is followed by decrease in strength and hardness. Select one: True False
A: Recrystallisation: It is a process in which the deformed grains are replaced by a new set of grains…
Q: As temperature decreases a ductile material can become brittle - ductile-to- brittle transition…
A: the given statement is true.
Q: following materials shows a dramatic change in fracture behavior with increasing temperature? Select…
A: Ans: D) Stainless steel
Q: Consider the tensile stress-strain diagram below. If samples 1 and 2 are different materials, which…
A: It is required to determine which material is more tough
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- 11. List the conditions that can induce brittle failure even in a ductile material.Do most materials exhibit both ductile and Brittle behavior?On a stress strain curve for structural steel, show various points like proportional limit, elastic limit, ultimate strength and rupture point. Give a brief description of these points. How to determine the yield point for materials that do not exhibit a well defined yield point? Name some of such materials. What is allowable load/stress. Give two different equations that determine the allowable load/stress.
- Figure 5 shows a failure assessment diagram (FAD) from the R6 calculator spreadsheet. (a) Make a copy sketch of the FAD in Figure 5, and indicate the regions of brittle fracture and plastic collapse. (2 mark (b) Using Figure 5, calculate the reserve factor on load. Explain how you obtained your answer. (4 mark. (c) Indicate on your sketch the effect on the FAD if: (i) a residual stress were present in the vicinity of the crack (ii) the crack length were increased (iii) the toughness of the material were improved. (3 + 3 + 3 = 9 marks Plate in tension - through-thickness edge crack 1.2 08- 0 76. 0 81 *06- 20 46. 0 48 04- 02- 0O 02 04 0.6 0.8 10 1.2 1.4 1.6 L, Figure 5 FAD for Question 61- With the Vickers hardness test a 10 kg load gave for a sample of brass an indentation with diagonals having mean lengths of 0.510 mm. What is the hardness? Again, what is tensile strength of brass? 2- When a load is applied to a brass specimen in a Brinell test, an indentation of 4.10 mm is Ahimary produced. Estimate the tensile strength of the brass.Draw a typical stress vs strain tensile test curve for the following material and label the axis. A typical brittle material subjected to a tensile stress that has been applied to the material till the sample breaks. 1- label the axis and draw the curve for a brittle material. 2- indicate the maximum strength of the material. 3- show on the portion of the curve where young's modulus can be calculated.