Laser Forming with Constant Line Energy
نویسندگان
چکیده
This paper investigates the condition of constant line energy, that is, the ratio of laser power to scanning velocity is kept constant. Under the condition, the effects of velocity change on temperature, net energy input, strain rate and material flow stress are studied. Their collective effects on dimension, residual stress, hardness and microstructure are also presented. Numerical results are experimentally validated and used to study process transiency, and aid understanding the complex and often conflicting effects of the condition.
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تاریخ انتشار 2000