Novel environment-friendly antimony-added alloy bar

An antimony alloy and alloy rod technology, which is applied in the field of new environmentally friendly antimony-added alloy rods and their preparation, can solve the problems that bronze alloy rods cannot meet requirements, and achieve the effects of improving wear resistance, environmental protection performance, and tensile strength.

Inactive Publication Date: 2013-04-24
SUZHOU JINCANG ALLOY NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] High-tin bronze alloy rods are mainly used in various wear-resistant bearing bushes, bushings, flanges, gears, etc. The current high-tin bronze rods often add lead elements to reflect their easy chi

Method used

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  • Novel environment-friendly antimony-added alloy bar

Examples

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Example Embodiment

[0062] Example 1

[0063] A method for preparing a novel environmentally friendly antimony-added alloy rod. According to the ratio, 0.2%-5% by weight of antimony, 6%-12% by weight of tin, and the balance of electrolytic copper are placed in a power frequency electric furnace and heated to 1150 degrees. -1350 degrees is completely melted and then kept at 1100 degrees -1250 degrees. After fully stirring the completely melted alloy liquid with a special graphite tool, cover it with high-purity flake graphite powder to prevent it from oxidation, with a thickness of about 12-25cm. After the holding time is 0.5-2.0 hours, the temperature is reheated to 1200-1350 degrees, and the vibration device of the power frequency electric furnace is turned on, and the vibration frequency is 1 time per second. The horizontal continuous casting method is used to cast into solid alloy rods with an outer diameter of 50mm-80mm and a length of 2000mm. Use a head making machine to make one end of th...

Example Embodiment

[0065] Example 2

[0066] A method for preparing a novel environmentally friendly antimony-added alloy rod. According to the ratio, 0.2%-1% by weight of antimony, 9%-12% by weight of tin, and the balance of copper are placed in a power frequency electric furnace and heated to 1300 degrees- After 1350 degrees is completely melted, it is kept warm to 1250 degrees. After fully stirring the completely molten alloy liquid with a special graphite tool, cover it with high-purity flake graphite powder to prevent it from oxidation, with a thickness of about 12-15cm. After the holding time is 1-1.5 hours, the temperature is reheated to 1300 degrees, and the vibration device of the power frequency electric furnace is turned on, and the vibration frequency is 1 time per second. The solid alloy bars with an outer diameter of 60 mm and a length of 2000 mm were cast by the horizontal continuous casting method. One end of the alloy rod is made into a drawing section with a length of 100mm a...

Example Embodiment

[0068] Example 3

[0069] A method for preparing a novel environmentally friendly antimony-added alloy rod. According to the ratio, 0.2% by weight of antimony, 9% by weight of tin, and the balance of electrolytic copper, tin, and antimony are placed in a power frequency electric furnace, and heated to 1300-1350 After the temperature is completely melted, the temperature is kept to 1250 degrees. After fully stirring the completely molten alloy liquid with a special graphite tool, cover it with high-purity flake graphite powder to prevent it from oxidation, with a thickness of about 12-15cm. After the holding time is 1-1.5 hours, the temperature is reheated to 1300 degrees, and the vibration device of the power frequency electric furnace is turned on, and the vibration frequency is 1 time per second. The solid alloy bars with an outer diameter of 60 mm and a length of 2000 mm were cast by the horizontal continuous casting method. One end of the alloy rod is made into a drawing...

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Abstract

The invention relates to a novel environment-friendly antimony-added alloy bar. The bar is characterized by comprising the following components in parts by weight: 0.2-5% of antimony, 6-12% of tin and the balance of copper. According to the invention, a traditional lead element is changed into an antimony element, so that the environment-friendly property of the alloy bar is improved, the tensile strength of the alloy is greatly enhanced, the alloy hardness is elevated from primary 70-80HBS to 95-120HBS, and the abrasive resistance is also improved.

Description

technical field [0001] The invention relates to the field of alloy rod manufacturing, in particular to a novel environment-friendly antimony-added alloy rod and a preparation method thereof. Background technique [0002] High-tin bronze alloy rods are mainly used in various wear-resistant bearing bushes, bushings, flanges, gears, etc. The current high-tin bronze rods often add lead elements to reflect their easy chipping performance. With the obvious improvement of environmental protection awareness, Bronze alloy rods containing lead elements can no longer meet the requirements of high-end markets at home and abroad. Contents of the invention [0003] Without solving the above technical problems, the present invention provides a novel environment-friendly antimony-added alloy rod without lead element and a preparation method thereof. [0004] A new environment-friendly antimony-added alloy rod is composed of the following components by weight percentage: 0.2%-5% of antimo...

Claims

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Application Information

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IPC IPC(8): C22C9/02C22F1/08
Inventor 孙飞
Owner SUZHOU JINCANG ALLOY NEW MATERIAL
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