can anyone help on this one?Homework Answers
A brittle material sustains less than 5% elongation at failure.
It cannot withstand high levels of energy without fracture.
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can anyone help on this one?
A brittle material: Sustains less than 5% elongation at failure...
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...
120 pts 5. (a) For a given material, is the surface energy to less than, greater...
120 pts 5. (a) For a given material, is the surface energy to less than, greater than, or the same as, the grain boundary energy? Why is this? b) Why is the grain boundary energy of a small-angle ( grain boundary less than that for a high-angle grain boundary? 20 pts 6. Aluminum-lithium alloys were developed by the aircraft industry to reduce the weight and improve the performance of its aircruft. a) If the desired density of a ercial aircraft...
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...
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,...
Q21. Which one of the following statements about the ductility of metals is TRUE? A High ductility occurs in brittle materials B Ductility is the amount of deformation at the 0.2% proof stress C Duct...
Q21. Which one of the following statements about the ductility of metals is TRUE? A High ductility occurs in brittle materials B Ductility is the amount of deformation at the 0.2% proof stress C Ductility can be measured as % reduction in area from broken tensile samples D Ductility is deformation in the elastic region E Ductility is the change between upper and lower yield point in steels Q22. Which one of the following statements is TRUE about Charpy impact...
5.) Lasers can be used to drill or cut material. One such laser generates a series...
5.) Lasers can be used to drill or cut material. One such laser generates a series of high intensity pulses rather than a continuous beam of light. Each pulse contains 1.00 Joules of energy and lasts 18 nanoseconds. The laser fires 15 such pulses per second. (a) Find the peak power of the laser. (b) Find the average power output of the laser. (c) A lens focuses a laser beam to a 15 μm diameter circle on the target. During...
please, if anyone can help me with this information should be from the graph 1) Below...
please, if anyone can help me with this
information should be from the graph
1) Below is a graph of the metabolic rate (kcal/day) as a function body mass for five groups of species. Study the plot carefully and look to see the axes are log scale. Check the units of the axes and then answer the following questions. a) What is the metabolic rate in watts) of a non-passerine bird of 200 g? b) What group has the highest...
Materials selection for light springs is shown in Figure 3. A family of lines of slope 2 link mat...
Materials selection for light springs is shown in Figure 3. A family of lines of slope 2 link materials with equal values of Specific modulus specific strength Technical ceramics Melals and polymers yield sirength, ey Ceramics. glasses: modulus of rupture, MOR Elastomers: tensile tear strength, Composites: tensile failure, o Diamond 8,c SigN Al203 10-1 Composites Yield before 10 Siica glass Soda gass CFRP bucking Nontechnical ceramics Stone Brick Ti alloy CD 10-2 nMetals Wood ng alloys Search area Yield strein...
I need help with question 1 and 2, can anyone help me please. 1. steel wire...
I need help with question 1 and 2, can anyone help me please. 1. steel wire is used to attach a balloon on a solar panel boom so that the actuators can be tested. Actuators are the devices that re used to extend the panels from their slowed position during launch to their final extended on- orbit configuration. The balloon must be filled with Helium gas such that the weight of the panels is balanced. Solar panels and their booms...
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...
120 pts 5. (a) For a given material, is the surface energy to less than, greater than, or the same as, the grain boundary energy? Why is this? b) Why is the grain boundary energy of a small-angle ( grain boundary less than that for a high-angle grain boundary? 20 pts 6. Aluminum-lithium alloys were developed by the aircraft industry to reduce the weight and improve the performance of its aircruft. a) If the desired density of a ercial aircraft...
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...
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,...
Q21. Which one of the following statements about the ductility of metals is TRUE? A High ductility occurs in brittle materials B Ductility is the amount of deformation at the 0.2% proof stress C Ductility can be measured as % reduction in area from broken tensile samples D Ductility is deformation in the elastic region E Ductility is the change between upper and lower yield point in steels Q22. Which one of the following statements is TRUE about Charpy impact...
please, if anyone can help me with this
information should be from the graph
1) Below is a graph of the metabolic rate (kcal/day) as a function body mass for five groups of species. Study the plot carefully and look to see the axes are log scale. Check the units of the axes and then answer the following questions. a) What is the metabolic rate in watts) of a non-passerine bird of 200 g? b) What group has the highest...
Materials selection for light springs is shown in Figure 3. A family of lines of slope 2 link materials with equal values of Specific modulus specific strength Technical ceramics Melals and polymers yield sirength, ey Ceramics. glasses: modulus of rupture, MOR Elastomers: tensile tear strength, Composites: tensile failure, o Diamond 8,c SigN Al203 10-1 Composites Yield before 10 Siica glass Soda gass CFRP bucking Nontechnical ceramics Stone Brick Ti alloy CD 10-2 nMetals Wood ng alloys Search area Yield strein...
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