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Using plasma movement Characteristic arc welding, the fixed shroud of the mannered null gas turbine engine which repairs
Using plasma movement Characteristic arc welding, the fixed shroud of the mannered null gas turbine engine which repairs
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机译:使用等离子运动特征弧焊,修理过的老旧燃气涡轮发动机的固定护罩
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摘要
A stationary shroud of a gas turbine engine made of a base metal is repaired by removing any damaged material from a flow-path region of the stationary shroud to leave an initially exposed base-metal flow-path surface; and applying a base-metal restoration overlying the initially exposed flow-path surface. The base-metal restoration is applied by furnishing a source of a structural material that is compatible with the base metal, and depositing the source of the structural material overlying the initially exposed base-metal flow-path surface of the stationary shroud by plasma transferred arc welding to form a repaired base-metal flow-path surface. An environmentally resistant rub coating may be applied overlying the base-metal restoration.
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