Instantly soluble hard alloy block and preparation method and application thereof
A cemented carbide block and instant technology, applied in the field of metallurgy, can solve problems such as hardness, wear resistance, acidity and alkalinity, adverse effects on the health of environmental operators, time-consuming and labor-intensive, etc., to achieve convenient selection of external dimensions and shapes , low cost, good wear resistance
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Embodiment 1
[0026] The preparation of embodiment 1 instant cemented carbide block
[0027] (1) High-carbon ferrochromium, rare earth, ferroboron, ferrovanadium, ferrosilicon and ferronickel are respectively mechanically crushed until the powder particle size is 80 mesh;
[0028] (2) the powder that step (1) obtains is according to high-carbon ferrochromium 40%, rare earth 1‰, boron iron 20%, vanadium iron 33.4%, ferrosilicon 4%, nickel iron 2.5% weight percent mixes;
[0029] (3) In the uniformly mixed powder of step (2), add resin glue to make paste alloy, wherein the consumption of resin glue is 15% of the metal powder gross weight;
[0030] (4) Spread the paste alloy on the mold to form an instant cemented carbide block in a natural state without pressurization.
[0031] After testing, the Rockwell hardness of the product is HRC77.
Embodiment 2
[0032] The preparation of embodiment 2 instant cemented carbide block
[0033] (1) High-carbon ferrochromium, rare earth, ferroboron, ferrovanadium, ferrosilicon and ferronickel are respectively mechanically crushed until the powder particle size is 80 mesh;
[0034] (2) the powder that step (1) obtains is according to high-carbon ferrochromium 30%, rare earth 0.5‰, boron iron 30%, vanadium iron 35.45%, ferrosilicon 2%, nickel iron 2.5% by weight and mix evenly;
[0035] (3) In the uniformly mixed powder of step (2), add resin glue to make paste alloy, wherein the consumption of resin glue is 15% of the metal powder gross weight;
[0036] (4) Spread the paste alloy on the mold to form an instant cemented carbide block in a natural state without pressurization.
[0037] After testing, the Rockwell hardness of the product is HRC73.
Embodiment 3
[0038] The preparation of embodiment 3 instant cemented carbide block
[0039] (1) High-carbon ferrochromium, rare earth, ferroboron, ferrovanadium, ferrosilicon and ferronickel are respectively mechanically crushed until the powder particle size is 80 mesh;
[0040] (2) the powder that step (1) obtains is according to high-carbon ferrochrome 50%, rare earth 1‰, boron iron 15%, vanadium iron 30.9%, ferrosilicon 2%, the weight percent of nickel iron 2% mixes;
[0041] (3) In the uniformly mixed powder of step (2), add resin glue to make paste alloy, wherein the consumption of resin glue is 15% of the metal powder gross weight;
[0042] (4) Spread the paste alloy on the mold to form an instant cemented carbide block in a natural state without pressurization.
[0043] After testing, the Rockwell hardness of the product is HRC75.
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