Cast wear-resistant tin bronze alloy and preparation method thereof

A technology of bronze alloy and wear-resistant tin is applied in the field of tin-bronze alloy preparation to achieve the effects of less as-cast defects, uniform alloy composition and uniform composition

Active Publication Date: 2012-01-04
HENAN UNIV OF SCI & TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is no report on cast wear-resistant tin bronze alloy and its preparation method at present. Therefore, providing

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  • Cast wear-resistant tin bronze alloy and preparation method thereof
  • Cast wear-resistant tin bronze alloy and preparation method thereof
  • Cast wear-resistant tin bronze alloy and preparation method thereof

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Embodiment 1

[0029] The cast wear-resistant tin-bronze alloy of this embodiment is composed of the following components in weight percentage: Sn 14%, Pb 2%, Ni 1%, impurity components Fe, Sb, Al, Zn, P, Si and Bi The total content is 0.25%, and the balance is Cu.

[0030] The preparation method of the cast wear-resistant tin bronze alloy of the present embodiment, the specific steps are:

[0031] (1) Prepare raw materials: take 1# electrolytic copper plate with a purity of 99.95%, 1# tin ingot with a purity of 99.90%, 1# nickel plate with a purity of 99.99%, 1# lead ingot with a purity of 99.994%, and then cut , drying and surface degreasing treatment, ready for use;

[0032] (2) Ingredients: Weigh the raw materials processed in step (1) according to the composition of cast wear-resistant tin bronze alloy;

[0033] (3) Melting: First add charcoal about 20cm thick into the melting furnace, then add electrolytic copper plates into the melting furnace, heat rapidly to melt the electrolytic ...

Embodiment 2

[0041] The cast wear-resistant tin-bronze alloy of this embodiment is composed of the following components in percentage by weight: Sn 12%, Pb 3.5%, Ni 2.5%, impurity components Fe, Sb, Al, Zn, P, Si and Bi The total content is 0.23%, and the balance is Cu.

[0042] The preparation method of the cast wear-resistant tin bronze alloy of the present embodiment, the specific steps are:

[0043] (1) Prepare raw materials: take 1# electrolytic copper plate with a purity of 99.95%, 1# tin ingot with a purity of 99.90%, 1# nickel plate with a purity of 99.99%, 1# lead ingot with a purity of 99.994%, and then cut , drying and surface degreasing treatment, ready for use;

[0044] (2) Ingredients: Weigh the raw materials processed in step (1) according to the composition of cast wear-resistant tin bronze alloy;

[0045] (3) Melting: First add charcoal about 20cm thick into the melting furnace, then add electrolytic copper plates into the melting furnace, heat rapidly to melt the electr...

Embodiment 3

[0052] The cast wear-resistant tin-bronze alloy of this embodiment is composed of the following components in weight percentage: Sn 10%, Pb 5%, Ni 4%, impurity components Fe, Sb, Al, Zn, P, Si and Bi The total content is 0.20%, and the balance is Cu.

[0053] The preparation method of the cast wear-resistant tin bronze alloy of the present embodiment, the specific steps are:

[0054] (1) Prepare raw materials: take 1# electrolytic copper plate with a purity of 99.95%, 1# tin ingot with a purity of 99.90%, 1# nickel plate with a purity of 99.99%, 1# lead ingot with a purity of 99.994%, and then cut , drying and surface degreasing treatment, ready for use;

[0055] (2) Ingredients: Weigh the raw materials processed in step (1) according to the composition of cast wear-resistant tin bronze alloy;

[0056] (3) Melting: First add charcoal about 20cm thick into the melting furnace, then add electrolytic copper plates into the melting furnace, heat rapidly to melt the electrolytic ...

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Abstract

The invention discloses a cast wear-resistant tin bronze alloy and a preparation method thereof. The cast wear-resistant tin bronze alloy comprises the following components in percentage by weight: 10 to 14 percent of Sn, 2 to 5 percent of Pb, 1 to 4 percent of Ni, less than or equal to 0.25 percent of Fe, Sb, Al, Zn, P, Si and Bi which serve as impurities and the balance of Cu. The preparation method comprises the following steps of: smelting an electrolytic copper plate, a pure nickel plate, a pure tin ingot and a pure lead ingot which serve as raw materials sequentially; adding a refining agent into melting liquid, pouring, cooling, and thus obtaining a cast wear-resistant tin bronze alloy ingot; and homogenizing and annealing the alloy ingot to obtain a cast wear-resistant tin bronze alloy product. The prepared cast wear-resistant tin bronze alloy has uniform ingredients, dendritic segregation is improved obviously, a small number of cast state defects occur, the hardness of the alloy is more than or equal to 100HB, the tensile strength is more than or equal to 300MPa, the elongation is more than or equal to 10 percent, and the cast wear-resistant tin bronze alloy is particularly suitable for wear-resistant heavy load key parts in a traffic power industry.

Description

Technical field [0001] The invention relates to the technical field of tin bronze alloy preparation, and in particular to a cast wear-resistant tin bronze alloy and a preparation method thereof. Background technique [0002] Tin bronze is an alloy with tin as the main alloy element and Pb, Ni and other elements added at the same time. It has good wear resistance and corrosion resistance. It is mainly used to manufacture elastic components of steam boilers, ships and other machinery and equipment, and automobiles. And other parts that are subject to friction in industry, such as cylinder piston pin bushings, bearing and bushing linings, auxiliary connecting rod bushings, discs and washers and other wear-resistant parts. The tin content of industrial tin bronze is generally between 3% and 14%. It can be divided into processed tin bronze and cast tin bronze. The tin content of tin bronze used for pressure processing is less than 8%, and the tin content of cast tin bronze is 10%...

Claims

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Application Information

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IPC IPC(8): C22C9/02C22C1/02
Inventor 宋克兴张彦敏魏军周延军蔡元京刘亚民赵保建郜建新翟冠峰杨国义李红霞国秀花白宁
Owner HENAN UNIV OF SCI & TECH
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