3-2-1 Code It — Chapter 4 Chapter-Specific Coding Guidelines - ICD-10-CM Chapters 11–22

The material has a hardness value of 50 GPa, and an average crack length of 50 nm. If Young's Modulus is 270 GPa and the applied load is 50 N. What is the fracture toughness value? a. 26.28 MPa.mm1/2 b. 0,2626 MPamm1/2 c. 262.8 MPa.mm1/2 d. 2.628 MPa.mm1/2

If a specimen percentage elongation is observed to be 30%. The original length of the specimen is 10 cm. Calculate the final length of the specimen at the fracture. a. 13 mm b. 1.3 mm c. 1300 mm d. 130 mm

Which one is correct and why please ?

You are called in to evaluate the failure of a component produced from a nickel superalloy (Inconel). The evaluator is not sure what they are looking at. You are sent the following micrograph. Educate this young engineer. a. Detail everything that you can see in terms of the characteristics of failure. b. Define if you can whether this is a ductile or brittle failure. c. Can you interpret the direction of fracture progression?

Please include diagrams and reasoning for each step, thank you

A test specimen data made of polyvinyl chloride with 10.16-mm-diameter were collected (l. = 50.80 mm) and shown in Table 1. After fracture, the total length was extended to 53.08 mm and the diameter was 9.98 mm. Load (kN) Al (mm) 0 0.00 1.35 0.19 2.65 0.40 4.00 0.60 5.35 0.81 6.65 1.17 7.35 1.78 (maximum load) 7.10 2.39 6.30 3.05 (fracture) Table 1: The results of the tensile test for polyvinyl chloride. Plot the engineering stress-strain curve (list the stress and strain value in a Table) and evaluate: (i) (ii) the 0.2% offset yield strength; the modulus of elasticity; (iii) the percentage of reduction in area; (iv) the engineering stress at fracture; (v) the modulus of resilience.

The Shore A hardness of branching polyethylene 463 is 95 ,so the elastic - MPa * modulus is 54.02548961 43.8291884705 O 76.53950352 The main factor which is affected on the impact resistance is O type of test type of polymer type of the notch

Describe what you see in the fracture surfaces of these two HSLA bolts shown in image 2a and 2b. Comment on the fracture surface features that you see that help you distinguish whether this is a ductile or brittle failure, the type of loading, the magnitude of loading (high or low) and the expected fracture origin.

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this is material science question

Material Science please help

QUESTION 8 A fixation plate (thickness 3 mm, width 40 mm) has a circular hole of radius 5 mm. The plate contains a crack of length a=16 mm. If the material has a fracture toughness of 90 MPa m^(1/2), calculate the maximum allowable tensile stress the plate can experience before it has uncontrollable crack growth. O 200.7 MPa O 315.4 MPa O 250.6 MPa O 20.07 MPa

Alert for not submit AI generated answer. I need unique and correct answer. Don't try to copy from anywhere. Do not give answer in image formet and hand writing

Based upon the information in the table below, which material is the stiffest? Elastic Strain at Fracture Fracture Yield Strength (MPa) Tensile Modulus Strength (MPa) 120 550 340 Fractures before yielding 850 Strength (MPa) 105 500 265 650 720 Material 100 415 310 0.40 0.15 0.23 (GPa) 150 310 210 350 210 700 0.14 OE OB A. OD

Material Science MENG286 ID :12345678

QUESTION 14 A components fabricated from a titanium alloy that has a plane strain fracture toughness of 60MPam 1/2. It has been determined that fracture results at a stress of 400MPa when the maximum internal crack length is 14.0mm. For this same component and alloy, determine the critical internal crack length that fracture will occur at a stress level of 300MPa. O a. 12.4 mm Ob.49.8 mm c. 18.7 mm O d. 24.9 mm

How to experimentaly determine Fracture toughness K1c?

Stuck need help! Problem is attached. please view attachment before answering.  Really struggling with this concept. Please show all work so I can better understand ! Thank you so much.

In the tensile test experiment, one of the following is correct regarding the final fracture: Select one: O The fracture occurs in the middle of the specimen and is inclined with 45°. O The fracture occurs anywhere in the smallest cross sectional-area of the specimen and is perpendicular to the direction of the load applied. O Fracture occurs randomly and we can never predict the shape of it O The fracture occurs anywhere in the smallest cross sectional-area of the specimen and is inclined with 45°.

Tensile engineering stress-strain curves through failure are depicted below. Which specimen features the highest toughness? Engineering Stress, MPa 1800- 1600- 1400- 1200- 1000- 800- 600- 400- 200- Ol 0 Aluminum Alloy 2024-T81 0.04 0.08 Stainless Steel (18-8) 1340 Steel, Water-Quenched & Tempered at 370 C Magnesium 0.12 Structural Steel (Mild Steel) Engineering Strain 0.16 1340 Steel, Water-Quenched & Tempered at 370°C Aluminum Alloy 2024-T81 Structural Steel (Mild Steel) Stainless Steel (18-8) Magnesium 0.20 0.24

ASAP

A glass consists of cracks at surface and interior side. The surface crack lengths are s 5 um, the cracks at the interior are < 20um, and the average crack length is 8 µm. The glass is exposed to tensile stress. a) What is the maximum stress the glass can withstand? b) What is the maximum compressive strength? J/m = Pa/m? Given, y = 1 J m² and Y = 70 GPa. Kịc Ofail = Z TCavg Z = 15

The following curve is a result of a tensile test. The gauge length was 2 in, and the specimen diameter was 0.505 in The fracture area was round with a diameter of 0.391 in. Remember to com 20000 Force (pounds force) 15000 10000 5000 0 16. The yield strength is 0 0.2% O 80,000 pl O 12.000 p 060,000 pl 85,000 p 0.1 0.2 Extension (inch) 0.3 0.4

If fracture load was 0.212 kN, what is the Fracture bending stress for a material having a width of "t" 50 mm and a thickness "w" of 5 mm and a support span "L" of 200 mm?

I need explanation and correct answer pls

A tension test was conducted for a cylindrical specimen of stain-less steel having an initial diameter (D) of 10.85 mm. Calculate the percentage reduction in area if the fracture diameter of the specimen (d) is 6.15 mm. Select one: O a. 68.87% O b. 69.87% c. 66.87% O d. 67.87%

Fatigue fracture surface has 3 zones such as (1) initiation, (2) crack propagation and (3) sudden fast fractures zones. A true B false

Given: Metal Specimen diameter x-sectiion (circular)= 0.55 in Gage Length= 2.030 in Fracture bccurved at 28,500 pounds final length= 2.30 in Final diameter= 0.43 in Determine: a) Reduction of a x-sect. area as a percentage

A bronze alloy specimen having a diameter of 12.8 mm and a gage length of 50 mm was tested to fracture. Stress and strain data obtained during the test are shown. Determine the fracture stress. Stress (MPa) 50 40- 30- 20- 10- 0 0 0 Upper scale O 59 MPa O 24 MPa O 40 MPa O 50 MPa O 33 MPa 0.100 0.005 Lower scale 0.200 0.010 Strain (mm/mm) 0.300 0.015 0.400 0.020

Do not answer in image format. Answer completely.

Compute the minimum critical surface crack (edge crack) length if the fatigue life must be a minimum of 5.0 x 106 cycles. Assume the initial maximum edge surface crack length of 1.80 mm and a maximum tensile stress of 160 MPa and minimum stress of 0 MPa. Assume m = 1.8 and A= 7.5 x 1013 in MPa and meter units, Assume Y= 1.25. O a. 4.26 mm O b. 5.38 mm OC. 2.36 mm O d.0.125 m

Question 6 What is the calculated fracture toughness, K, for the perspex specimen in MPa root m? Give your answer to 2 decimal places. P = 250 N, crack length = 5.5 mm W= 13.3 mm, B = 5.45 mm Note that the span length (s) is 38mm. Take f(a/W) as 0.78

4. The gauge of the Impact Testing Apparatus shows 52 divisions. Calculate the amount of energy adsorbed per unit surface prior to fracture. Remeber that 1 division corresponds to 2 Joules and the fracture surface is 8 mm x 10 mm, not 10 mm x 10 mm.

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