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25-07-2012 дата публикации

Method for increasing seawater corrosion resistance performance of MB5 magnesium alloy argon arc welding joint

Номер: CN0102154598B
Автор: FEI ZHAO, ZHISHENG WU, CUIRONG LIU, HUARAN DENG, XIAOYUAN GONG, ZHAO FEI, WU ZHISHENG, LIU CUIRONG, DENG HUARAN, GONG XIAOYUAN
Принадлежит:

The invention discloses a method for increasing seawater corrosion resistance performance of a MB5 magnesium alloy argon arc welding joint, belonging to the technical field of increasing seawater corrosion resistance performance of metal welding pieces. The method is characterized in that an MB5 magnesium alloy argon arc welding joint is adopted for subzero treatment, and the special operation sequences are as follows: (1) the MB5 magnesium alloy argon arc welding joint undergoing argon arc welding is tempered for 1 hour under a temperature of 300 DEG C to 350 DEG C; (2) the tempered welding joint is put in a subzero treatment device under the control of a subzero treatment system; (3) the temperature of the subzero treatment device drops to minus 130 DEG C to 160 DEG C from room temperature under a temperature reduction rate of 5 DEG C to 7 DEG C/min; (4) heat is preserved for 3 to 4 hours; (5) a power source is disconnected, a cold source is closed, the device is opened, so that thewelding ...

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Номер записи: 1
17-08-2011 дата публикации

Method for increasing seawater corrosion resistance performance of MB5 magnesium alloy argon arc welding joint

Номер: CN0102154598A
Автор: FEI ZHAO, ZHISHENG WU, CUIRONG LIU, HUARAN DENG, XIAOYUAN GONG, ZHAO FEI, WU ZHISHENG, LIU CUIRONG, DENG HUARAN, GONG XIAOYUAN
Принадлежит:

The invention discloses a method for increasing seawater corrosion resistance performance of a MB5 magnesium alloy argon arc welding joint, belonging to the technical field of increasing seawater corrosion resistance performance of metal welding pieces. The method is characterized in that an MB5 magnesium alloy argon arc welding joint is adopted for subzero treatment, and the special operation sequences are as follows: (1) the MB5 magnesium alloy argon arc welding joint undergoing argon arc welding is tempered for 1 hour under a temperature of 300 DEG C to 350 DEG C; (2) the tempered welding joint is put in a subzero treatment device under the control of a subzero treatment system; (3) the temperature of the subzero treatment device drops to minus 130 DEG C to 160 DEG C from room temperature under a temperature reduction rate of 5 DEG C to 7 DEG C/min; (4) heat is preserved for 3 to 4 hours; (5) a power source is disconnected, a cold source is closed, the device is opened, so that the welding ...

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Номер записи: 2