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What is the maximum hardness can be achieved in EN8 material by hardening process?
KRAJENDRAN
Through hardening Process & Polymer quench 20% - As quench Required hardness - 35 - 40 hrc.
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∙ 10y ago
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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 is the greatest stress that material can resist before breaking?
The greatest stress that a material can resist before breaking is called the ultimate tensile strength. It is the maximum amount of stress a material can withstand without breaking under tension. Different materials have different ultimate tensile strengths, and it is an important property to consider for designing and engineering structures.
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...
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 is the maximum temperatures that can be achieved using a blue flame on a Bunsen burner?
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What material has maximum viscosity?
Which type of elastomeric material has the highest viscosity? light-bodied material Regular-bodied material heavy-bodied material putty material
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.
When are maximum cardiovascular benefits achieved in terms of frequency?
coz fIcIuIkIiInIg
Ultimate tensile strength?
the maximum stress which the material can bear without breaking is called the maximum tensile strength of the material
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Researching The Life Fitness elliptical has provided a wide range of different models. Further research has shown that the maximum RPM that can be achieved is roughly 100 depending on the model.
Why does the maximum stress that a material can withstand increase as the rigidity of the material is increased?
5%
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The maximum pressure achieved during ventricular contraction is called what?
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