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مکانیک::
تنش پسماند
Dimensional instabilities arise from residual stresses and metallurgical alterations introduced by the manufacturing processes.
This metallurgical restriction compels con- trol of the residual stresses by substantially altering the machining parameters.
Thicker coats can also be applied with this tech- nique for improving the residual stress.
Cracking and delamination of the sprayed coat is mostly a consequence of the residual stresses.
Welding by laser offers the advantage of low heat input, and this promotes shallow penetration, low distortion, and minimal residual stress when compared with conventional arc-welding processes.
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