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What is heat strain?
heat strain or the thermal strain is caused due to the temperature changes. A solid body expands as the temperature increases and contracts as the temperature decreases.this causes the thermal strain. for a homogeneous and isotropic body the thermal strain is caused by change in temperature. thermal strain = coefficient of linear thermal expansion * change in temperature where the coefficient of linear thermal expansion gives the strain per degree of temperature.
Why not DNA act as primer in place of DNA during DNA replication?
In case you are talking about Polymerase chain reaction; you melt the double strain from each other by raising the temperature. By lowering the temperature, DNA will melt together again. This would happen with the complement strain or with primers. But due to the length of the primer it will bind the matching sequence a lot faster than the complement strain. this is also balanced by strict temperature regulations during a PCR cycle. * and ofcourse you dont replicate anything if the whole complement strain attaches!
How do strain rate and temperature affect plastic deformation in the mantle?
Strain rate and temperature significantly influence plastic deformation in the mantle by affecting the viscosity and flow behavior of mantle materials. Higher temperatures reduce viscosity, enabling easier deformation, while increased strain rates can lead to non-linear behavior, potentially enhancing ductility. Together, these factors determine how effectively the mantle can respond to tectonic forces, influencing geological processes such as plate tectonics and mantle convection. As a result, the interplay between strain rate and temperature is crucial for understanding the mechanical properties of the Earth's interior.
What is transformed from rough strain bacteria to smooth strain cells?
The process of transforming rough strain bacteria into smooth strain cells involves transferring genetic material - specifically a capsule gene - from a smooth strain to the rough strain. This genetic transfer results in the expression of a protective capsule on the surface of the rough strain cells, converting them into smooth strain cells with enhanced virulence.
The stretching and tearing of muscles and tendons is called?
strain and sprain involves the ligaments
Would you expect a crystalline ceramic material to strain harden at room temperature?
No, crystalline ceramic materials generally do not exhibit significant strain hardening at room temperature. Unlike metals, which can strengthen through dislocation movement and rearrangement during plastic deformation, ceramics typically have a strong, rigid structure that does not allow for such mechanisms. Instead, ceramics tend to be more brittle and may fracture rather than undergo plastic deformation or strain hardening.
Is there any difference between work hardening and strain hardening?
In strain hardening hypothesis, the size of the yield locus is assumed to beindependent of the third invariant.In work hardening hypothesis, the size of the yield locus is assumed to depend on the total plastic work done (per unit volume) to achieve the present state of plastic deformation since last annealinfor isotropic hardening Both are same.
What has the author G R Cowper written?
G. R. Cowper has written: 'Strain-hardening and strain-rate effects'
What is heat strain?
heat strain or the thermal strain is caused due to the temperature changes. A solid body expands as the temperature increases and contracts as the temperature decreases.this causes the thermal strain. for a homogeneous and isotropic body the thermal strain is caused by change in temperature. thermal strain = coefficient of linear thermal expansion * change in temperature where the coefficient of linear thermal expansion gives the strain per degree of temperature.
What is strain hardening of steel?
Strain hardening, also known as work hardening, is the process by which steel becomes stronger and harder as it is deformed plastically. During this process, the dislocation density within the material increases, making further deformation more difficult. This phenomenon occurs when steel is subjected to processes like bending, stretching, or forging, resulting in improved tensile strength and hardness. However, it can also reduce ductility, making the material more brittle.
What is cold forming?
Cold forming refers to the strengthening of metal through plastic deformation. It is also known as strain hardening or cold working.
Why stress increased again after lower yield point?
hi dear, yes its true that stress increases after lower yield for ductile material. it happens due to reason of strain hardening. strain hardening is the property of the material with which the grain structures presents in the body forms bond between them. so in order to break that bonds, the stress increases after lower yield point..
Recrystallization temperature of copper master alloy?
The recrystallization temperature for cop- per usually ranges from 200°C to 400°C.Highly purified copper will recrystallize at 100°C if annealed for a long time.
Why the stress value is taken on y axis not on x axis as it is the cause and strain is effect so why not it is taken on x axis and strain on y axis?
in any graph on horizontal axis we keep the independent variable and on vertical axis the dependent variable. similarly in stress strain diagram the strain is independent variable and stress is dependent variable so due to this reason strain is kept on x-axis and stress is kept on y-axis.
How do you work- harden a metal?
Work hardening, also known as strain hardening, involves deforming a metal at room temperature to increase its strength and hardness. This is typically achieved through processes such as rolling, hammering, or bending, which create dislocations in the metal's crystal structure. As the metal is deformed, these dislocations interact and multiply, making further deformation more difficult. The result is a material that is harder and stronger but may also become less ductile.
What is strain hardening?
When ductile material is loaded, when stress reaches yield and if the load continues, as long as load is not high enough to break material, the material is strain hardened when returning to no load. That means its yield strength will be higher than before, and the material is stronger.
How is aluminium made more hard wearing?
Pure aluminum can be hardened by a technique known by several names: work hardening, strain hardening, cold working or cold forming. Usually, if aluminum is going to be used in a situation where wear is present, an aluminum alloy will be used in preference to pure aluminum.
