A wear-resistant and corrosion-resistant molybdenum alloy and its preparation method
A molybdenum alloy and corrosion-resistant technology, applied in the preparation of molybdenum alloys, can solve the problems of poor plasticity and toughness of molybdenum alloys, achieve low equipment requirements, excellent high temperature creep resistance, and improve recrystallization temperature and grain boundary strength. Effect
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Embodiment 1
[0026] The wear-resistant and corrosion-resistant molybdenum alloy of the present embodiment is applied to molybdenum electrodes for molten glass, and consists of the following components in volume percentage: ZrO 2 5%, Y 2 o 3 0.5%, the balance is molybdenum and unavoidable impurities.
[0027] The preparation method of the wear-resistant and corrosion-resistant molybdenum alloy of the present embodiment comprises the following steps:
[0028] 1) Weigh 4000g of ammonium tetramolybdate and put it into a resistance furnace, calcinate at 520°C for 4 hours, and pass through a 40-mesh sieve to obtain MoO 3 Powder;
[0029] Weigh 216.3g of zirconium nitrate and 19.56g of yttrium nitrate into a beaker, add 500ml of absolute ethanol and 1000ml of distilled water, place the beaker in a water bath at 80°C, and keep stirring until completely dissolved to obtain a mixed solution;
[0030] 2) MoO 3 Put the powder into a ball mill tank, dry mill for 8 hours, then pour the mixed solu...
Embodiment 2
[0035] The wear-resistant and corrosion-resistant molybdenum alloy of this embodiment is applied to molybdenum wire for wire cutting, and consists of the following components in volume percentage: ZrO 2 0.2%, Y 2 o 3 0.05%, the balance is molybdenum and unavoidable impurities.
[0036] The preparation method of the wear-resistant and corrosion-resistant molybdenum alloy of the present embodiment comprises the following steps:
[0037] 1) Weigh 4096g of ammonium dimolybdate and put it into a resistance furnace, calcinate at 510°C for 3h, and pass through a 40-mesh sieve to obtain MoO 3 Powder;
[0038] Weigh 8.48g of zirconium nitrate and 1.93g of yttrium nitrate into a beaker, add 500ml of absolute ethanol and 1000ml of distilled water, place the beaker in a water bath at 80°C, and keep stirring until completely dissolved to obtain a mixed solution;
[0039] 2) MoO 3 Put the powder into a ball mill tank, dry-mill for 9 hours, then pour the mixed solution obtained in ste...
Embodiment 3
[0044] The wear-resistant and corrosion-resistant molybdenum alloy of the present embodiment is applied to the molybdenum plug for steel pipe production, and consists of the following components in volume percentage: ZrO 2 10%, Y 2 o 3 1%, the balance is molybdenum and unavoidable impurities.
[0045] The preparation method of the wear-resistant and corrosion-resistant molybdenum alloy of the present embodiment comprises the following steps:
[0046] 1) Weigh 4253.92g of ammonium heptamolybdate and put it into a resistance furnace, calcinate at 500°C for 5h, and pass through a 40-mesh sieve to obtain MoO 3 Powder;
[0047] Weigh 470.32g of zirconium nitrate and 38.92g of yttrium nitrate into a beaker, add 500ml of absolute ethanol and 1000ml of distilled water, place the beaker in a water bath at 80°C, and keep stirring until completely dissolved to obtain a mixed solution;
[0048] 2) MoO 3 Put the powder into a ball mill tank, dry mill for 10 hours, then pour the mixe...
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