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In this paper the high speed photograph of CO2 laser welding plasma is analyzed in the light of isogrey scale line of photograph. It is found that the image of laser induced plasma can be divided into three regions: outer-edge region, smooth region and kernel region. In the outer-edge region the shape of isogrey scale line is non-regular and changes severely. In the smooth region the shape of the...
In this paper the high speed photograph of CO2 laser welding plasma is analyzed in the light of isogrey scale line of photograph. It is found that the image of laser induced plasma can be divided into three regions: outer-edge region, smooth region and kernel region. In the outer-edge region the shape of isogrey scale line is non-regular and changes severely. In the smooth region the shape of the...
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