F4 Gun+Tristar+muticoat+inconel 718+unmelted

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F4 Gun+Tristar+muticoat+inconel 718+unmelted

07-20-2012, 07:32 AM, (This post was last modified: 12-18-2012, 03:29 AM by Bler.)

Bler

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F4 Gun+Tristar+muticoat+inconel 718+unmelted

Hi,all,
I have some trouble when develop Inconel 718,with F4 HBS gun+Tristar power source+Multicoat assembly:
1.always some unmelted particles about 40-60um.
2.As the limit of Tristar Power source ,the hydrogen value should always below 11NLPN,if not ,the nozzle would be damaged.

could you give me some suggestions?
BR!

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