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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

AI Technical Summary

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 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

Method used

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  • Novel environment-friendly antimony-added alloy bar

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0063] A method for preparing a new environment-friendly antimony-added alloy rod. According to the proportion, 0.2%-5% by weight of antimony, 6%-12% by weight of tin, and the rest of electrolytic copper are placed in a power frequency electric furnace and heated to 1150 degrees. After melting at -1350 degrees, keep it warm to 1100 degrees -1250 degrees. After fully stirring the completely melted alloy liquid with a special graphite tool, it is covered with high-purity flake graphite powder to prevent its oxidation, with a thickness of about 12-25cm. After the holding time is 0.5-2.0 hours, the temperature is raised to 1200-1350 degrees again, and the vibration device of the industrial frequency electric furnace is turned on, and the vibration frequency is 1 time / second. A solid alloy bar with an outer diameter of 50mm-80mm and a length of 2000mm is cast by horizontal continuous casting. One end of the alloy rod is made into a drawn section with a length of 100mm and a diamet...

Embodiment 2

[0066] A method for preparing a new type of environmentally friendly antimony-added alloy rod. According to the proportion, 0.2%-1% by weight of antimony, 9%-12% by weight of tin, and the remaining copper are placed in a power frequency electric furnace and heated to 1300 degrees- After completely melting at 1350 degrees, keep warm to 1250 degrees. After the completely melted alloy liquid is fully stirred with a special graphite tool, it is covered with high-purity flake graphite powder to prevent its oxidation, with a thickness of about 12-15cm. After the heat preservation time is 1-1.5 hours, the temperature is raised to 1300 degrees again, and the vibration device of the industrial frequency electric furnace is turned on, and the vibration frequency is 1 time / second. A solid alloy bar with an outer diameter of 60 mm and a length of 2000 mm was cast by horizontal continuous casting. One end of the alloy rod is made into a drawn section with a length of 100 mm and a diameter...

Embodiment 3

[0069] A preparation method of a new environment-friendly antimony-added alloy rod. According to the proportion, 0.2% by weight of antimony, 9% by weight of tin, and the rest 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, keep it warm to 1250 degrees. After the completely melted alloy liquid is fully stirred with a special graphite tool, it is covered with high-purity flake graphite powder to prevent its oxidation, with a thickness of about 12-15cm. After the heat preservation time is 1-1.5 hours, the temperature is raised to 1300 degrees again, and the vibration device of the industrial frequency electric furnace is turned on, and the vibration frequency is 1 time / second. A solid alloy bar with an outer diameter of 60 mm and a length of 2000 mm was cast by horizontal continuous casting. One end of the alloy rod is made into a drawn section with a length of 100 mm a...

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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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