Cryogenic treatment method of tungsten-titanium alloy
A tungsten-titanium alloy, cryogenic treatment technology, applied in the field of cryogenic treatment of metal materials, can solve problems such as difficulty in rolling and forging, and achieve the effects of reducing grain growth, good mechanical properties, and low cooling temperature
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[0023] Example 1
[0024] Step 1. Polish the tungsten-titanium alloy with fine sandpaper to remove the oxide scale and wire-cut traces, rinse the surface residues with running water, and then use ultrasonic waves and alcohol to further clean the tungsten-titanium alloy surface residues and water;
[0025] Step 2. Place the tungsten-titanium alloy cleaned in step 1 on the sample holder of the cryogenic treatment equipment, open the valve of the self-pressurized cryogenic fluid conveying device equipped with liquid nitrogen, and use the gas spray method to process the alloy. The parameters are: the cooling rate is 15℃ / min, the holding temperature is -196℃, and the holding time is 2h. After treatment, cut off the power supply, turn off the cold source, take out the tungsten-titanium alloy and put it in a 25℃ water bath at a rapid rate of 220℃ / s Warm up.
[0026] Then, repeat the above steps 1 and 2 to perform the second cryogenic treatment on the tungsten-titanium alloy after cryogenic...
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[0027] Example 2
[0028] Step 1. Polish the tungsten-titanium alloy with fine sandpaper to remove the oxide scale and wire-cut traces, rinse the surface residues with running water, and then use ultrasonic waves and alcohol to further clean the tungsten-titanium alloy surface residues and water;
[0029] Step 2. Place the tungsten-titanium alloy cleaned in step 1 on the sample holder of the cryogenic treatment equipment, open the valve of the self-pressurized cryogenic fluid conveying device equipped with liquid nitrogen, and use the gas spray method to process the alloy. The parameters are: the cooling rate is 8℃ / min, the holding temperature is -150℃, and the holding time is 4h. After processing, cut off the power supply, turn off the cold source, take out the tungsten titanium alloy and put it in a 15℃ water bath at a rapid rate of 180℃ / s Warm up.
[0030] Then, repeat the above steps 1 and 2 to perform the second cryogenic treatment on the tungsten-titanium alloy after cryogenic...
Example Embodiment
[0031] Example 3
[0032] Step 1. Polish the tungsten-titanium alloy with fine sandpaper to remove the oxide scale and wire-cut traces, rinse the surface residues with running water, and then use ultrasonic waves and alcohol to further clean the tungsten-titanium alloy surface residues and water;
[0033] Step 2. Place the tungsten-titanium alloy cleaned in step 1 on the sample holder of the cryogenic treatment equipment, open the valve of the self-pressurized cryogenic fluid conveying device equipped with liquid nitrogen, and use the gas spray method to process the alloy. The parameters are: the cooling rate is 13°C / min, the holding temperature is -175°C, and the holding time is 24h. After processing, cut off the power supply, turn off the cold source, use a clamp to remove the tungsten-titanium alloy from the cryogenic treatment equipment and place it in a 20°C water bath The temperature is quickly recovered at a rate of 200°C / s to obtain a cryogenically treated tungsten titanium...
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