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Represent any localised heat affected zone caused by an arc. Arc strike tends to produce hardening particularly in high carbon steels and alloy steels. Grinding of cross section of such arc strike points show without exception, the occurrence of untempered martensite with a very high hardness and often cracks are present. At sudden st resses, at low temperature, these places can easily serve as initiation point for brittle fracture. By giving proper instructions to a welder and by good house keeping this can be avoided. By dressing up the area, the ill effects are removed.
Physical significance of damping coefficient and it''s unit.
Laser-induced breakdown spectroscopy (LIBS) is a type of spectroscopy that uses plasma generated by a laser pulse. A schematic of a LIBS system is shown in the figure. The laser is
Hydraulic calculations are carried out by both Process and Mechanical Engineering. Generally speaking, Process Engineering will initiate many hydraulic calculations for piping sys
General Phase of Radial Drilling Machine Steps- 1. Prepare a strong foundation for the value study. In radial drilling machine hole can not be produce in any angle.
what is atomic vibration
(a) Enlist and describe the several mechanical properties of commonly used engineering materials. (b) State the objectives and applications of case-hardened components.
An open-loop control system has the following state-space model: (a) Determine the characteristic equation for the open-loop control system. (b) Determine the characte
Expression for the maximum shearing stress: Obtain expression for the maximum shearing stress and maximum shearing planes. Sol.: The condition for maximum shearing stress i
Heat distribution in spot welding Besides the resistance at the interface, there are six other resistance through which the same welding current is passed. They are: Res
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