Zinc-based high aluminum alloy material for angle valve and preparation method thereof
A zinc-based high-aluminum alloy and angle valve technology, which is applied in the field of metal alloy material manufacturing, can solve problems such as insufficient corrosion resistance, short service life, and low cost performance, and achieve improved mechanical properties, improved wear resistance, and economic benefits Good results
Active Publication Date: 2016-05-25
江苏弘元投资发展有限公司
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Problems solved by technology
[0003] At present, triangular valves mainly use brass, which has high density, heavy weight, and high cost; aluminum alloys are also used to make triangular valves, but the general aluminum alloys have insufficient corrosion resistance, are easy to wear, have a short service life, and are cost-effective. still not high
Method used
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Experimental program
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Effect test
Embodiment Construction
[0014] A zinc-based high-aluminum alloy material for an angle valve, which contains chemical element components and mass percentages: aluminum 13.0-14.5, copper 5.0-5.5, magnesium 2.0-2.3, manganese 2-2.3, Ho0.02-0.05, Er0.1-0.2, Tm0.002-0.004, Yb0.01-0.03, zinc balance.
[0015] The production method of the zinc-based high aluminum alloy material for the angle valve is:
[0016] (1) Prepare pure zinc and scrap zinc alloy as the source of zinc matrix at a ratio of 1:0.4, add pure zinc into the furnace to melt, remove impurities, deoxidize, use refining agent for one-time refining, add alloy components for alloying, and then Adding scrap zinc for melting, adding refining agent for secondary refining, testing and adjusting the content of chemical elements to pass, casting, post-casting heat treatment, etc.;
[0017] (2) The batch order of alloying elements into the furnace during the alloying process is: (1) Aluminum, Magnesium; (2) Copper, Manganese; (3) Other remaining compon...
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Abstract
The invention relates to a zinc-based aluminum alloy material for an angle valve. The zinc-based aluminum alloy material comprises the following chemical element components in percentage by mass: 13.0-14.5% of aluminum, 5.0-5.5% of copper, 2.0-2.3% of magnesium, 2-2.3% of manganese, 0.02-0.05% of Ho, 0.1-0.2% of Er, 0.002-0.004% of Tm, 0.01-0.03% of Yb and the balance of zinc. Through adding copper, magnesium and aluminum, not only can the alloy grains be fined, the mechanical property of the zinc alloy can be enhanced, and the corrosion resistance property of the alloy can be improved; through adding the manganese, the alloy is easily cut, and the alloy is applicable to production of the angle valve, high in cost performance and good in economic benefits, a refining agent is used for casting production, the porosity in a casting can be reduced by one to two degrees, the oxide inclusion is about 2 level, and the rate of finished products can be obviously improved.
Description
technical field [0001] The invention relates to the field of manufacturing metal alloy materials, in particular to a zinc-based high aluminum alloy material for an angle valve and a preparation method thereof. Background technique [0002] Zinc alloy has excellent performance and good casting performance. It can die-cast precision parts with complex shapes and thin walls, and the surface of the casting is smooth; it can be used for surface treatment: electroplating, spraying, painting, polishing, grinding, etc.; it does not absorb iron during melting and die-casting, It does not corrode the pressing type and does not stick to the mold; it has many advantages such as good mechanical properties at room temperature and wear resistance. [0003] At present, triangular valves mainly use brass, which has high density, heavy weight, and high cost; aluminum alloys are also used to make triangular valves, but the general aluminum alloys have insufficient corrosion resistance, are eas...
Claims
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IPC IPC(8): C22C18/04C22C1/06C22F1/16
Inventor 刘孝峰
Owner 江苏弘元投资发展有限公司