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Why hardenability of plain carbon steel is less?
hardness is defined as a resistance to plastic deformation or penatration.Hardness is defined as the ease with which hardness may be attained by quenching . It is also defined as the ability to develop maximum hardness by quenching.It is the process to have a hardened layer of marten site after quenching and also to have high hardness at same given depth. The material which having low critical cooling rate have high hardenability.The factors which reduce critical cooling rate increase the hardenability.alloy steels have low critical temperature. In plain carbon steels are contain not more than .5% of silicon and 1.5% of manganese.These steels are strong,tough,ductile and used in expensive materials.Increase in hardness and strength in plain carbon steel is depend upon the presence of carbon content.
What does it mean by hardness in tensile?
For metals, hardness is a measure of the deformation of a surface of the metal when subjected to a normal compressive force with a ball or other shape. Its units are arbitrary. Tensile strength is a measure of the maximum tensile load per unit of cross sectional area a material can withstand without breaking. Units are force/area.
What is the tensile strength of plywood?
It is the ultimate strength of a material subjected to tensile loading. In other words, it is the maximum stress developed in a material in a tension test.
What are the Stress-strain characteristics of ductile materials?
initially there is the linear elastic region which obeys the hooks law :stress is directly proportional to the strain. at the end of the linear elastic region the ductile material reaches the yield point beyond which any change in dimensions become permanent. the material goes through a yield plateau in which stress is constant and the strain changes. after crossing the yield plateau the ductile material goes through the strain hardening region in which the deformation is permanent but as the region goes on the stress increases with the strain. here the strength of the ductile material increases as it is strain hardened. at a point it reaches the ultimate load point. This is the maximum load taken by the material. after which further deformation causes decrease in strength or the stress goes on decreasing finally breaking at the breaking load point. this region is called the post-ultimate region.
What does rm stand for yield strength?
The term "Rm" in yield strength refers to the "tensile strength" or "maximum tensile strength" of a material, which is the maximum stress that a material can withstand while being stretched or pulled before failing or breaking. It is typically measured in units such as megapascals (MPa) or pounds per square inch (psi). In some contexts, "Rm" can also denote the ultimate tensile strength, which is the peak stress a material can endure prior to fracture.
Is it possible to get effective case depth size 1.2 mm in mild steel material during heat treatment?
Not possible...the maximum hardness MS can have is 0.03mm by flame hardening...
What is the maximum angle that can be achieved in a triangle?
The maximum angle that can be achieved in a triangle is 180 degrees.
Maximum metal condition for a shaft?
The condition in which a feature contains the maximum amount of material within stated limits. This condition is called as Maximum material condition (MMC) e.g.: Minimum hole diameter, maximum shaft diameter.
What is the maximum vacuum pressure that can be achieved in this vacuum chamber?
The maximum vacuum pressure that can be achieved in this vacuum chamber is 10-6 torr.
What is the maximum vacuum pressure in psi that can be achieved by the vacuum pump?
The maximum vacuum pressure in psi that can be achieved by the vacuum pump is 29.92 psi.
Does quartz show maximum elasticity?
No, quartz does not exhibit maximum elasticity. While quartz is known for its hardness and durability, it is not considered the most elastic material. Materials like rubber or certain metals, such as steel, demonstrate higher levels of elasticity compared to quartz.
What is the maximum flow that can be achieved in a residual graph?
In a residual graph, the maximum flow that can be achieved is the maximum amount of flow that can be sent from the source to the sink without violating capacity constraints on the edges.
What is the maximum vacuum pressure that can be achieved in the vacuum chamber?
The maximum vacuum pressure that can be achieved in the vacuum chamber is typically around 10-6 torr.
What is screw case depth?
Screw case depth is the depth at which the outer hardness of the screw is defined to. Typically tapping screws have a inner core hardness that is 'softer' than the threads, as the treads are forming (rolling/cutting) threads into another material. This outer hardness must meet a minumum hardness (eg. 45 HRC min) for a certain depth into the material, the case depth, after which the hardness drops off to the core hardness (eg. 28-38 HRC) .
What is the population number at which maximum sustained yield is achieved if the carrying capacity of its area is 60?
The population number at which maximum sustained yield is achieved is half of the carrying capacity. Therefore, in this case, the maximum sustained yield would be achieved when the population reaches 30.
What is the maximum temperatures that can be achieved using a blue flame on a Bunsen burner?
Maximum temperature is 16000C
Why hardenability of plain carbon steel is less?
hardness is defined as a resistance to plastic deformation or penatration.Hardness is defined as the ease with which hardness may be attained by quenching . It is also defined as the ability to develop maximum hardness by quenching.It is the process to have a hardened layer of marten site after quenching and also to have high hardness at same given depth. The material which having low critical cooling rate have high hardenability.The factors which reduce critical cooling rate increase the hardenability.alloy steels have low critical temperature. In plain carbon steels are contain not more than .5% of silicon and 1.5% of manganese.These steels are strong,tough,ductile and used in expensive materials.Increase in hardness and strength in plain carbon steel is depend upon the presence of carbon content.
