Welding Metallurgy of
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Cites background from "Welding Metallurgy of"
...This results in changes in the physical direction of grain growth to align the grains along the length of the weld.([16]) Consequently, when two neighboring grains’ substructures run parallel, the grain boundary that forms between them is most likely to form from solute-rich liquid, thus producing an II boundary configuration....
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Cites background from "Welding Metallurgy of"
...As research continued new lasers, including solid state and gas state lasers, were developed such as Nd:YAG and CO2 [8, 10]....
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...CO2 lasers are capable of high average powers and therefore high welding speeds and penetration depths [7]....
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...Thus beam delivery of CO2 lasers can be complex and challenging in industrial applications....
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...When the medium is excited it enters a higher energy level, in order to return to its former more stable state it releases a photon while returning to the lower energy state (Figure 1) [7, 8]....
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...9 Diode Lasers Diode Lasers or high powered diode lasers (HPDLs) are newer than traditional forms of laser welding (such as Nd:YAG and CO2)....
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References
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