Shigley's Mechanical Engineering Design (McGraw-Hill Series in Mechanical Engineering)
10th Edition
ISBN: 9780073398204
Author: Richard G Budynas, Keith J Nisbett
Publisher: McGraw-Hill Education
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Chapter 2, Problem 14P
To determine
The Brinell hardness number 1040 hot-rolled steel after the heat treatment.
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Determine the indentation diameter of a mild steel material subjected to a Brinell hardness test with a test
force of 8.1 kN using a hardened steel ball indentor of 10 mm. Take the Brinell Hardness Number as 926. Also,
determine the surface area of indentation.
(NOTE: Please Solve the problem in a paper and upload in the separate submission link provided
and also fill the answers without the unit in the box below)
i) Indentation Diameter (in mm) --
ii) Surface Area of Indentation (in mm?)
Draw a Stress/Strain graph of a mild tensile steel and identify the limit of proportionality and the yield point
A mild steel material is subjected to a Brinell
hardness test with an applied force of 7459
N using a hardened steel ball indentor of 11
mm and it is found that the Brinell Hardness
Number as 954. Determine the surface area
of indentation and indentation diameter.
(NOTE: Please Solve the problem in a
paper and upload in the separate
submission link provided and also fill
the answers without the unit in the box
below)
i) Surface Area of Indentation (in mm?)
-- (
ii) Indentation Diameter (in mm)
Chapter 2 Solutions
Shigley's Mechanical Engineering Design (McGraw-Hill Series in Mechanical Engineering)
Ch. 2 - Determine the tensile and yield strengths for the...Ch. 2 - Assume you were specifying an AISI 1060 steel for...Ch. 2 - Determine the yield strength-to-density ratios...Ch. 2 - Determine the stiffness-to-weight density ratios...Ch. 2 - Poissons ratio v is a material property and is the...Ch. 2 - A part made from annealed AISI 1018 steel...Ch. 2 - Prob. 10PCh. 2 - Repeat Prob. 2-9 for a part made from 2024-T4...Ch. 2 - A steel member has a Brinell of HB = 215. Estimate...Ch. 2 - A gray cast iron part has a Brinell hardness...
Ch. 2 - Prob. 14PCh. 2 - Brinell hardness tests were made on a random...Ch. 2 - Prob. 16PCh. 2 - Prob. 18PCh. 2 - Repeat Prob. 2-18 for the commonly used alloy...Ch. 2 - 2-21 to 2-23 A 1-in-diameter rod. 3 ft long, of...Ch. 2 - Prob. 22PCh. 2 - Prob. 23PCh. 2 - Consider a rod transmitting a tensile force. The...Ch. 2 - Repeat Prob. 2-26, except that the design...Ch. 2 - Prob. 28PCh. 2 - Prob. 29PCh. 2 - Prob. 30PCh. 2 - For an axially loaded rod. prove that = 1 for the...Ch. 2 - Prob. 32PCh. 2 - Prob. 33PCh. 2 - Prob. 34P
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- : Brinell Hardness and Ultimate Tensile Stress A steel member has a Brinell of H = 275. Estimate the ultimate strength of the steel in MPa. A gray cast iron part has a Brinell hardness number of H₂= 200. Estimate the ultimate strength of the part in kpsi. Make a reasonable assessment of the likely grade of cast iron by comparing both hardness and strength to material options in Table A-24. A part made from 1040 hot-rolled steel is to be heat treated to increase its strength to approx- imately 100 kpsi. What Brinell hardness number should be expected from the heat-treated part?arrow_forwardI need the answer as soon as possiblearrow_forwardA part made from hot-rolled AISI 1212 steel undergoes a certain amount of cold-work operation. If the ultimate strength of the material after cold work operation was 80 kpsi. (a) Determine the percentage of cold work (b) Obtain the yield strength after the cold work (c) Determine the hardness of the material before and after the cold work operationarrow_forward
- One problem which contains 3 parts, a , b and carrow_forwardpart made from AISI 1212 steel undergoes a 20 percent cold-work operation. (a) Obtain the yield strength and ultimate strength before and after the cold-work operation. Determine the percent increase in each strength. (b) Determine the ratios of ultimate strength to yield strength before and after the cold work operation. What does the result indicate about the change of ductility of the part?arrow_forward1. Please draw a typical tensile test curve for low carbon steels and mark the four stages and list their names (use critical points on the curve to help you identify the start and end points of the four stages). 2. Show the yield, ultimate tensile strength and fracture points, as well as yield and ultimate tensile strength on the curve. 3. Please draw the load and unload curve for a stress level causing the low carbon steels to experience elastic deformation only. 4. Please draw the load and unload curve for a stress level causing the low carbon steel to experience permerment deformation, and identify both elastic and plastic strain on the drawing after unloading.arrow_forward
- A shear pin made from a 4340 steel (0.4% C) fails by ductile fracture. It was supposed to be initially normalised, austenitised, quenched and tempered to 100% martensite to give a hardness of 5.5 GPa. The hardness was measured to be 4.5 GPa. Which of the following summaries most accurately accounts for what may have gone wrong? O Insufficiently heating the steel would result in partial austenitisation, leading to only partial martensite after quenching and a reduction in final hardness. The temper could still occur at the correct conditions and still lead to an insufficient strength and encouraging ductile failure. O Performing a full austenitisation but then cooling slower than the critical cooling rate for the alloy would allow some ferrite/pearlite to form after the martensite reaction has finished. This would be softer than the tempered martensite and so reduce the final hardness. O Assuming a full austenitisation and then cooling faster than the critical cooling rate, the hardness…arrow_forwardI need the answer as soon as possiblearrow_forwardParvin bhaiarrow_forward
- Determine the tensile and yield strengths for the following materials: (a) UNS G10200 hot-rolled steel. (b) SAE 1050 cold-drawn steel.arrow_forwardAssume a matensetic steel (Kic = 110MPavm) whose fatigue crack growth rate is given on the attached sheet. A large steel plate with a central crack of length 2.5mm was designed to withstand an instantaneous remote tensile over-load of twice the maximum load. If the plate is subjected to a cyclic loading of 0 = = 158 [1 + coswt] MPa How many cycles can the piece safely withstand?arrow_forward1- 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.arrow_forward
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