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A cup and cone shape of the fracture surface for...
please make sure it is correct The following data were obtained from impact tests performed on...
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The following data were obtained from impact tests performed on a ductile cast iron containing 0.30% manganese. The ductile brittle transition temperature (DBTT) is -100 -75 -50 -25 0 25 50 75 100 Test Temperature (°C) Impact Energy 2 2 2 10 30 60 105 130 130 01 -12.5°c O 12.5°C O. 62.5 °C OIV 66°C
hep with question 3 please A material may fail in many ways; in a ductile or...
hep with question 3 please
A material may fail in many ways; in a ductile or brittle mode; by creep or fatigue; by corrosion or stress corrosion; by hydrogen or liquid metal embrittlement; by slow tensile overload or by impact. An examination of the failure may tell you a lot about the material and the failure mode. In this course, you have learned (we trust) the correlations between structure-properties, - applications. This leads to material selection. However, the engineer has...
help with question 4 please. there are two samples given with two different pictures of each...
help with question 4 please.
there are two samples given with two different pictures of
each
A material may fail in many ways; in a ductile or brittle mode; by creep or fatigue; by corrosion or stress corrosion; by hydrogen or liquid metal embrittlement; by slow tensile overload or by impact. An examination of the failure may tell you a lot about the material and the failure mode. In this course, you have learned (we trust) the correlations between structure-properties,...
answer question 2 please A material may fail in many ways; in a ductile or brittle...
answer question 2 please
A material may fail in many ways; in a ductile or brittle mode; by creep or fatigue; by corrosion or stress corrosion; by hydrogen or liquid metal embrittlement; by slow tensile overload or by impact. An examination of the failure may tell you a lot about the material and the failure mode. In this course, you have learned (we trust) the correlations between structure-properties, - applications. This leads to material selection. However, the engineer has to...
help with question 5 please. there are two samples given with two different pictures of each....
help with question 5 please.
there are two samples given with two different pictures of
each.
all
of the information to solve is given
A material may fail in many ways; in a ductile or brittle mode; by creep or fatigue; by corrosion or stress corrosion; by hydrogen or liquid metal embrittlement; by slow tensile overload or by impact. An examination of the failure may tell you a lot about the material and the failure mode. In this course, you...
Question 2 (20 pts): Charpy V-notch test was performed for different steel specimens. Please answer the...
Question 2 (20 pts): Charpy V-notch test was performed for different steel specimens. Please answer the following questions briefly. a) (3) As the temperature becomes lower, the metals usually experience a transition from ductile fracture to brittle fracture at a certain temperature. This temperature is called: b) (6) The graph below shows the test results for annealed 1018 steel and annealed 1045 steel. Please label the curves with relevant steel (1018 or 1045) and briefly explain your reason. 1018 AND...
Question 2 (20 pts): Charpy V-notch test was performed for different steel specimens. Please answer the...
Question 2 (20 pts): Charpy V-notch test was performed for different steel specimens. Please answer the following questions briefly. a) (3) As the temperature becomes lower, the metals usually experience a transition from ductile fracture to brittle fracture at a certain temperature. This temperature is called: b) (6) The graph below shows the test results for annealed 1018 steel and annealed 1045 steel. Please label the curves with relevant steel (1018 or 1045) and briefly explain your reason. 1018 AND...
please make sure it is correct Heating a low - medium carbon steel sample above its...
please make sure it is correct
Heating a low - medium carbon steel sample above its recrystallization temperature and while quenching the heated sample in brine solution would lead a microstructure with shapes. Cold-working leads to a grain structure O elongated, equi-axed oll needle like, elongated O coarse, pear latic OIV fine, pearlatic
Multiple Choice Section [Total = 10 Marks] Please circle the correct answer using a pen. There...
Multiple Choice Section [Total = 10 Marks] Please circle the correct answer using a pen. There is only one correct answer per question. 1. (2 Marks) Which of the following statements is false: a) Two edge dislocations of the same sign and lying on the same slip plane exert a repulsive force on each other. b) Edge dislocations of opposite sign and lying on the same slip plane exert an attractive force on each other. c) When two edge dislocations...
please make sure it is correct What are the microstrucutures present in a 1040 steel at...
please make sure it is correct
What are the microstrucutures present in a 1040 steel at 500 °C ? 1100 2000 Austenite 1000 1850 900 Ferrite 1700 Aystenite and Ferite 1550 Temperature (°C) 300 Austenite and Cementit Temperature (°F) 1400 1250 Ferrite and Cementite Ferrite and Cementie 1100 WE 500 WF02 06 0.8 1 1.2 1.6 0.4 W 950 2 Wc Carbon (Wt percent) Cementite and pearlite OL Pearlite O II. Ferrite O III. o iv. Ferrite and pearlite
please make sure it is correct
The following data were obtained from impact tests performed on a ductile cast iron containing 0.30% manganese. The ductile brittle transition temperature (DBTT) is -100 -75 -50 -25 0 25 50 75 100 Test Temperature (°C) Impact Energy 2 2 2 10 30 60 105 130 130 01 -12.5°c O 12.5°C O. 62.5 °C OIV 66°C
hep with question 3 please
A material may fail in many ways; in a ductile or brittle mode; by creep or fatigue; by corrosion or stress corrosion; by hydrogen or liquid metal embrittlement; by slow tensile overload or by impact. An examination of the failure may tell you a lot about the material and the failure mode. In this course, you have learned (we trust) the correlations between structure-properties, - applications. This leads to material selection. However, the engineer has...
help with question 4 please.
there are two samples given with two different pictures of
each
A material may fail in many ways; in a ductile or brittle mode; by creep or fatigue; by corrosion or stress corrosion; by hydrogen or liquid metal embrittlement; by slow tensile overload or by impact. An examination of the failure may tell you a lot about the material and the failure mode. In this course, you have learned (we trust) the correlations between structure-properties,...
answer question 2 please
A material may fail in many ways; in a ductile or brittle mode; by creep or fatigue; by corrosion or stress corrosion; by hydrogen or liquid metal embrittlement; by slow tensile overload or by impact. An examination of the failure may tell you a lot about the material and the failure mode. In this course, you have learned (we trust) the correlations between structure-properties, - applications. This leads to material selection. However, the engineer has to...
help with question 5 please.
there are two samples given with two different pictures of
each.
all
of the information to solve is given
A material may fail in many ways; in a ductile or brittle mode; by creep or fatigue; by corrosion or stress corrosion; by hydrogen or liquid metal embrittlement; by slow tensile overload or by impact. An examination of the failure may tell you a lot about the material and the failure mode. In this course, you...
Question 2 (20 pts): Charpy V-notch test was performed for different steel specimens. Please answer the following questions briefly. a) (3) As the temperature becomes lower, the metals usually experience a transition from ductile fracture to brittle fracture at a certain temperature. This temperature is called: b) (6) The graph below shows the test results for annealed 1018 steel and annealed 1045 steel. Please label the curves with relevant steel (1018 or 1045) and briefly explain your reason. 1018 AND...
Question 2 (20 pts): Charpy V-notch test was performed for different steel specimens. Please answer the following questions briefly. a) (3) As the temperature becomes lower, the metals usually experience a transition from ductile fracture to brittle fracture at a certain temperature. This temperature is called: b) (6) The graph below shows the test results for annealed 1018 steel and annealed 1045 steel. Please label the curves with relevant steel (1018 or 1045) and briefly explain your reason. 1018 AND...
please make sure it is correct
Heating a low - medium carbon steel sample above its recrystallization temperature and while quenching the heated sample in brine solution would lead a microstructure with shapes. Cold-working leads to a grain structure O elongated, equi-axed oll needle like, elongated O coarse, pear latic OIV fine, pearlatic
Multiple Choice Section [Total = 10 Marks] Please circle the correct answer using a pen. There is only one correct answer per question. 1. (2 Marks) Which of the following statements is false: a) Two edge dislocations of the same sign and lying on the same slip plane exert a repulsive force on each other. b) Edge dislocations of opposite sign and lying on the same slip plane exert an attractive force on each other. c) When two edge dislocations...
please make sure it is correct
What are the microstrucutures present in a 1040 steel at 500 °C ? 1100 2000 Austenite 1000 1850 900 Ferrite 1700 Aystenite and Ferite 1550 Temperature (°C) 300 Austenite and Cementit Temperature (°F) 1400 1250 Ferrite and Cementite Ferrite and Cementie 1100 WE 500 WF02 06 0.8 1 1.2 1.6 0.4 W 950 2 Wc Carbon (Wt percent) Cementite and pearlite OL Pearlite O II. Ferrite O III. o iv. Ferrite and pearlite
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