METAL DEPOSITION METHOD AND LASER METAL DEPOSITION APPARATUS
First Claim
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1. A metal deposition method of forming a buildup on a single crystal or directionally solidified crystal parent material, the method characterized by comprising:
- setting a processed surface into an up side;
cooling by means of cooling means (5;
9;
300) a portion on a parent material side with respect to the processed surface; and
depositing a metal from an extension in a preferential growth orientation of parent material crystals while beforehand giving a temperature gradient to the parent material side so that a maximum temperature gradient is oriented along the preferential growth orientation of parent material crystals.
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Abstract
In a deposition method of forming a buildup on a single crystal or directionally solidified crystal parent material, metal deposition is performed from an extension in a preferential growth orientation of parent material crystals while forcedly cooling a portion of the parent material somewhat below a processed surface and beforehand giving a temperature gradient to the parent material so that a maximum temperature gradient is oriented along the preferential growth orientation of parent material crystals.
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Citations
15 Claims
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1. A metal deposition method of forming a buildup on a single crystal or directionally solidified crystal parent material, the method characterized by comprising:
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setting a processed surface into an up side; cooling by means of cooling means (5;
9;
300) a portion on a parent material side with respect to the processed surface; anddepositing a metal from an extension in a preferential growth orientation of parent material crystals while beforehand giving a temperature gradient to the parent material side so that a maximum temperature gradient is oriented along the preferential growth orientation of parent material crystals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A laser metal deposition apparatus for forming a buildup on a single crystal or directionally solidified crystal parent material, the apparatus being characterized by comprising:
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a laser welding head (12) for irradiating laser on a processed surface; a nozzle (100) for supplying of a filler metal and shielding gases to the processed surface; and cooling means (5;
9;
300) for forced cooling a parent material side. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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Specification