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Al-Si alloy separator, phosphating treatment method and compressor

A phosphating treatment and aluminum-silicon alloy technology, which is applied in the field of compressors, can solve the problems of poor wear resistance of the diaphragm and achieve the effects of weight reduction, good phosphating effect, and excellent wear resistance

Active Publication Date: 2020-06-16
ZHUHAI LANDA COMPRESSOR +1
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the defect of poor wear resistance of existing partitions, the present invention proposes an aluminum-silicon alloy partition, a phosphating treatment method and a compressor

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  • Al-Si alloy separator, phosphating treatment method and compressor

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Embodiment Construction

[0022] The invention proposes that the separator adopts aluminum-silicon alloy material, and the surface of the separator is covered with a phosphating film after phosphating treatment. The aluminum-silicon alloy material of the separator contains 17-32% Si, 5-10% Cu, 2-5% Zn, 0.6-2% Mn, 1-2% Mg, 0.7-1.5% Fe, 0.1% RE, and the rest Both are Al. Compared with the general aluminum alloy composition, the aluminum-silicon alloy material composition of the separator eliminates the addition of heavy metal antimony. Although heavy metal elements can improve the hardness and strength of the alloy, the element is poisonous and expensive. Removing heavy metal elements can reduce the On the other hand, it can reduce the harm to the environment and human body, making the material more environmentally friendly. Preferably, the content of Zn and Mg is increased in the aluminum-silicon alloy material of the separator, which can effectively promote the formation of the MgZn2 binary strengthen...

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Abstract

The invention discloses an aluminum silicon alloy partition plate, a phosphating treatment method and a compressor. The partition plate adopts an an aluminum silicon alloy material, and the partitionplate is coated with a phosphating film after the surface of the partition plate is subjected to phosphating treatment. The wear resistance of the partition plate can be significantly improved, the requirement on the wear resistance of the partition plate under the unlimited working condition of the compressor is met, and the process cost of the partition plate is lower.

Description

technical field [0001] The invention relates to the technical field of compressors, in particular to an aluminum-silicon alloy partition, a phosphating treatment method and a compressor. Background technique [0002] Compared with cast iron, conventional aluminum alloy has weaker strength, hardness and wear resistance, and generally cannot be directly applied to the diaphragm of the compressor. The existing solution is to passivate, oxidize or phosphate the aluminum alloy separator to improve the strength and wear resistance of the separator. Although the cost of phosphating treatment is much lower than that of passivation treatment and oxidation treatment, and the phosphating film formed after phosphating treatment has better wear resistance, but in actual production, passivation treatment and oxidation treatment are used most, while phosphating treatment is very Rare, the main reason is that aluminum is mainly used in conventional aluminum alloys, and other alloy elements...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/02C22C30/06C23C22/08F04C29/00F04C29/12
CPCC22C21/02C22C30/02C22C30/06C23C22/08F04C29/00F04C29/12
Inventor 郑慧芸贾波廖熠沈慧
Owner ZHUHAI LANDA COMPRESSOR
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