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Brass alloy

A brass alloy and compound phase technology, applied in the field of metal materials, can solve the problems of low tensile strength, yield strength, impact toughness, and inability to fully meet the requirements of working conditions

Inactive Publication Date: 2015-01-21
NINGBO POWERWAY ALLOY MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] With the rapid development of the industry, the performance of copper alloy parts materials, especially the wear resistance, is getting higher and higher, especially the development of high-pressure plunger pumps with a rated pressure above 45MPa. The key wear-resistant parts of high-pressure plunger pumps are currently prepared The brass material of the components cannot fully meet the requirements of its working conditions due to its low tensile strength, yield strength, impact toughness, etc.

Method used

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preparation example Construction

[0042] The application also provides a method for preparing a brass alloy, comprising the following steps:

[0043] preparing a brass alloy ingot, the brass alloy ingot comprising: 45wt% to 55wt% of Cu, 0.5wt% to 7wt% of Mn, 0.5wt% to 5wt% of Al, 0.5wt% to 4wt% of Fe, 0.05wt%-2wt% of Si, 0.001wt%-0.5wt% of P and the balance of Zn;

[0044] The brass alloy ingot is extruded, and the extruded brass alloy billet is heat-treated to obtain the brass alloy.

[0045] In the process of preparing the brass alloy, the present application first prepared a brass alloy ingot, in which copper, manganese, aluminum, iron, silicon, phosphorus and zinc were added; in the brass alloy Lead, nickel, chromium, tin, rare earth elements, cobalt, boron, magnesium, antimony and bismuth are also added, and the raw materials of the above metal elements are industrial pure metals or industrial pure nonmetals. The preparation process of the brass alloy ingot can be carried out in the following manner:

...

Embodiment 1

[0052] Add copper, iron, and silicon into the low-frequency smelting furnace to melt, then add manganese, aluminum, bismuth, antimony, and zinc, and finally add boron and phosphorus, and smelt at 950°C. Carry out casting afterward, obtain brass alloy ingot, the content of copper in the brass alloy ingot is 54.96wt%, the content of iron is 1.2624wt%, the content of silicon is 0.0709wt%, the content of manganese is 6.489wt%, the content of aluminum The content of bismuth is 0.9338wt%, the content of bismuth is 0.4768wt%, the content of boron is 0.1588wt%, the content of antimony is 0.0287wt%, the content of phosphorus is 0.0025wt% and the balance of zinc;

[0053] The prepared brass alloy ingot is extruded in an extruder at a temperature of 600°C, the extruded billet is annealed at a temperature of 200°C, and finally the annealed brass alloy is Straightening, sizing, packaging, and brass alloy finished products.

[0054] The properties of the brass alloy prepared in this embodi...

Embodiment 2

[0056] Add copper block, iron block, nickel block, silicon block and cobalt block into the low-frequency melting furnace, then add manganese block, aluminum block and zinc block after melting, and finally add phosphorus block, melt at 1250 °C, and cast after melting , obtain brass alloy ingot, the content of copper in the brass alloy ingot is 48.63wt%, the content of iron is 0.5321wt%, the content of silicon is 0.0557wt%, the content of manganese is 5.852wt%, the content of aluminum is 0.3402wt%, the content of nickel is 1.085wt%, the content of cobalt is 0.9587wt%, the content of phosphorus is 0.0112wt% and the balance of zinc;

[0057] The prepared brass alloy ingot is extruded in an extruder at a temperature of 750°C, the extruded billet is annealed at a temperature of 450°C, and finally the annealed brass alloy is Straightening, sizing, packaging, and brass alloy finished products.

[0058] The properties of the brass alloy prepared in this embodiment were tested, as show...

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Abstract

The invention provides a brass alloy. The brass alloy comprises 45wt%-55wt% of Cu, 0.5wt-7wt% of Mn, 0.5wt%-5wt% of Al, 0.5wt%-4wt% of Fe, 0.05wt%-2wt% of Si, 0.001wt%-0.5wt% of P, and the balance of Zn According to the application of the invention, Cu and Zn are used as main addition elements, and the elements of Mn, Al, Fe, Si and P , which have strengthening effects, are added, so that the brass alloy uses a beta phase as a matrix, and the brass alloy has higher plasticity and higher strength; under the circumstance of ensuring that the brass alloy has higher strength and higher plasticity, the content of the copper is reduced, so that the cost of the brass alloy is reduced.

Description

technical field [0001] The invention relates to the technical field of metal materials, in particular to a brass alloy. Background technique [0002] Copper alloy is an alloy based on pure copper and added with one or more other elements. Pure copper is purplish red and has excellent electrical conductivity, thermal conductivity, ductility and corrosion resistance. It is mainly used to make electrical equipment such as generators, busbars, cables, switchgear, transformers, heat exchangers, pipes, and solar heating devices. Heat conduction equipment such as flat plate collectors. [0003] Copper alloys are generally divided into three categories according to the alloy system: brass, bronze and cupronickel. Among them, cupronickel is a copper alloy with nickel as the main additive element. Brass is an alloy composed of copper and zinc. If only copper and zinc are composed of brass, it is called ordinary brass; in addition to copper and zinc, copper alloys with other metal e...

Claims

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Application Information

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IPC IPC(8): C22C9/04C22C30/06C22C18/02
CPCC22C9/04C22C18/02C22C30/06
Inventor 梅景陈湖马骏杨朝勇任世影
Owner NINGBO POWERWAY ALLOY MATERIAL
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