Brazing rare earth magnesium alloy brazing filler metal and preparation method and brazing process
A technology of alloy brazing filler metal and brazing process, applied in manufacturing tools, welding equipment, metal processing equipment, etc., can solve the problem of low performance of magnesium alloy brazing joints, and achieve excellent connection performance, uniform filling, and good plastic deformation ability. Effect
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Embodiment 1
[0031] The composition and mass percentage ratio of solder are: Zn14.5, Ni2.8%, Al2.0%, Ti0.8%, Cu5.4%, Mn0.6%, La0.004%, Nd0.006%, Mg73.89%.
[0032] The above-mentioned preparation method of brazing rare earth magnesium alloy filler metal comprises the following steps:
[0033]1) Weigh high-purity Zn, Al, Ni, Ti, Cu, Mn, La, Nd and Mg blocks by mass percentage to prepare a mixture, put them into a container with acetone, and perform ultrasonic cleaning at room temperature for 20 minutes;
[0034] 2) drying the mixture after ultrasonic cleaning in step 1 at a temperature of 30° C. to obtain a dried mixture;
[0035] 3) Put the mixture Zn, Al, Ni, Ti, Cu, Mn, La, Nd and Mg into a proprietary quartz glass tube, install it in the high-frequency induction heating ring of the stripping machine, and spray it to the copper The roller surface spacing is adjusted to 0.2mm;
[0036] 4) Close the furnace door, and use a mechanical pump to evacuate to 1.5×10 -1 Pa, and then use a mol...
Embodiment 2
[0047] The composition and mass percentage ratio of solder are: Zn16%, Ni2.2%, Al3.0%, Ti0.6%, Cu6.0%, Mn0.5%, La0.005%, Nd0.005%, Mg71 .69%.
[0048] The above-mentioned preparation method of brazing rare earth magnesium alloy filler metal comprises the following steps:
[0049] 1) Weigh high-purity Zn, Al, Ni, Ti, Cu, Mn, La, Nd and Mg blocks by mass percentage to prepare a mixture, put them into a container with acetone, and perform ultrasonic cleaning at room temperature for 15 minutes;
[0050] 2) drying the mixture after ultrasonic cleaning in step 1 at a temperature of 40° C. to obtain a dried mixture;
[0051] 3) Put the mixture Zn, Al, Ni, Ti, Cu, Mn, La, Nd and Mg into a proprietary quartz glass tube, install it in the high-frequency induction heating ring of the stripping machine, and spray it to the copper The roller surface spacing is adjusted to 0.1mm;
[0052] 4) Close the furnace door, and use a mechanical pump to evacuate to 1.5×10 -1 Pa, and then use a mo...
Embodiment 3
[0063] The composition and mass percentage ratio of solder are: Zn17.5%, Ni1.6%, Al4.0%, Ti0.4%, Cu6.6%, Mn0.4%, La0.006%, Nd0.004% , Mg69.49%.
[0064] The above-mentioned preparation method of brazing rare earth magnesium alloy filler metal comprises the following steps:
[0065] 1) Weigh high-purity Zn, Al, Ni, Ti, Cu, Mn, La, Nd and Mg blocks by mass percentage to prepare a mixture, put them into a container with acetone, and perform ultrasonic cleaning at room temperature for 20 minutes;
[0066] 2) drying the mixture after ultrasonic cleaning in step 1 at a temperature of 50° C. to obtain a dried mixture;
[0067] 3) Put the mixture Zn, Al, Ni, Ti, Cu, Mn, La, Nd and Mg into a proprietary quartz glass tube, install it in the high-frequency induction heating ring of the stripping machine, and spray it to the copper The roller surface spacing is adjusted to 0.1mm;
[0068] 4) Close the furnace door, and use a mechanical pump to evacuate to 1.5×10 -1 Pa, and then use a ...
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