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Tin-based Babbitt alloy and preparation method thereof

A technology of tin-based babbitt alloy and master alloy, which is applied in the field of tin-based babbitt alloy and its preparation, can solve problems such as the potential hazard of arsenic, and achieve the effects of increasing nucleation rate, avoiding segregation, and refining grains

Active Publication Date: 2016-07-06
SUZHOU HUFU NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current use of Babbitt alloy as a wear-resistant material is changing, and the method of surface coating or surfacing welding is more popular. Babbitt alloy is often processed into welding wire material for high-temperature coating. Since the arc temperature reaches about 2000 ° C, The elements in the alloy, especially arsenic, are more likely to be oxidized, so the potential hazards of arsenic are more prominent

Method used

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  • Tin-based Babbitt alloy and preparation method thereof
  • Tin-based Babbitt alloy and preparation method thereof
  • Tin-based Babbitt alloy and preparation method thereof

Examples

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Embodiment 1

[0025] A kind of tin-based babbitt alloy comprises each component of following percentage by weight: 11% antimony (Sb), 6% copper (Cu), 0.5% titanium (Ti), 0.5% nickel (Ni), balance is tin (Sn).

[0026] The preparation method of the above-mentioned tin-based babbitt alloy, the steps are: a. use a vacuum intermediate frequency furnace to make a master alloy, the master alloy includes 10% Ti by weight, 5% Ni by weight, and the rest being Cu B. with master alloy, a certain amount of pure Cu (calculated according to the Cu content in the above-mentioned alloy and the Cu content in the master alloy), a certain amount of pure Ni (according to the Ni content in the above-mentioned alloy and the Ni content in the master alloy) content), a certain amount of pure Sb (calculated according to the Sb content in the above alloy) and a certain amount of pure Sn (calculated according to the Sn content in the above alloy) are mixed and smelted as raw materials, and cast to obtain the required...

Embodiment 2

[0028] A tin-based babbitt alloy includes the following components in weight percentage: 11% of Sb, 6% of Cu, 0.2% of Ti and 0.15% of Ni, and the balance is Sn.

[0029] The preparation method of the above-mentioned tin-based babbitt alloy, the steps are: a. use a vacuum intermediate frequency furnace to make a master alloy, the master alloy includes 10% Ti by weight, 5% Ni by weight, and the rest being Cu B. with master alloy, a certain amount of pure Cu (calculated according to the Cu content in the above-mentioned alloy and the Cu content in the master alloy), a certain amount of pure Ni (according to the Ni content in the above-mentioned alloy and the Ni content in the master alloy) content), a certain amount of pure Sb (calculated according to the Sb content in the above alloy) and a certain amount of pure Sn (calculated according to the Sn content in the above alloy) are mixed and smelted as raw materials, and cast to obtain the required tin base Babbitt.

[0030] ima...

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Abstract

The invention discloses tin-based Babbitt alloy which is prepared from the following components in percentage by weight: 8-20 percent of Sb, 5-15 percent of Cu, 0.02-0.5 percent of Ti, 0.05-0.5 percent of Ni and the balance of Sn. As the tin-based Babbitt alloy does not contain arsenic, harms generated in the application process of Babbitt alloy are prevented in the premise without lowering the main performances of the Babbitt alloy material. The invention also provides a preparation method of the tin-based Babbitt alloy.

Description

technical field [0001] The invention relates to a tin-based Babbitt alloy and a preparation method thereof. Background technique [0002] Babbitt metal is a tin-based or lead-based bearing alloy with antifriction properties. The main components of tin-based babbitt include tin, antimony, and copper. Antimony and copper elements can form an intermediate phase, which acts as a support for the uniformly distributed hard phase particles on the soft substrate, forming a small gap between the sliding surfaces, which becomes an oil storage space and a lubricating oil channel, which is beneficial to friction reduction. In order to refine the grain and prevent composition segregation, a small amount of arsenic is usually added to the alloy. [0003] Arsenic (As) itself is not very toxic, but its compounds, salts and organic compounds are all toxic, and to a large extent depends on its solubility in water. Arsenic oxides and some salts are mostly highly toxic substances. Generally...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C13/02C22C1/03
CPCC22C1/03C22C13/02
Inventor 陶卫建薛山周健
Owner SUZHOU HUFU NEW MATERIAL TECH CO LTD
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