Aluminium base material for engine piston
An aluminum-based material and engine technology, which is applied in the field of aluminum-based materials for engines, can solve the problems of high heat load of pistons and achieve the effects of increased power, simple manufacturing process, and reduced emissions
Inactive Publication Date: 2005-07-06
湖南江滨机器厂
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Problems solved by technology
With the continuous improvement of engine power and emission requirements, the high heat load on the top of the piston is getting higher and higher, and the pistons produced by traditional aluminum-based alloys such as ZL108 and ZL109 cannot withstand this high heat load.
Method used
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Experimental program
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Effect test
specific Embodiment approach
[0011] Specific embodiments: take various raw materials required by the present invention, and adopt suitable smelting, casting and heat treatment processes. The content of each element is as follows:
[0012] Silicon (Si): 12%, magnesium (Mg): 1.0%, nickel (Ni): 2.4%, copper (Cu): 3.0%, manganese (Mn): 0.2%, titanium (Ti): 0.2%, and the rest are Aluminum (Al).
[0013] The aluminum-based material for the engine piston of the present invention is produced, and it is named as: JB-2.
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The invention relates to an aluminium-based material used for engine piston (alternately named JB-2). Wherein: the material is prepared by adding Mn, Ti to ZL109, and improving the content of Ni and Cu, and is made up from Al, Si, Mg, Ni, Cu, Fe, Mn and Ti in some certain proportion. The invention improves the high-temperature behavior of aluminium-based material, meets the improving demand of engine power and discharge.
Description
technical field [0001] The invention relates to an aluminum-based material for an engine, which can improve the high-temperature performance of the material. Background technique [0002] At present, there are two types of piston materials, aluminum-based and iron-based. Aluminum-based alloys are still the mainstream material for piston bodies due to their advantages such as light specific gravity, small thermal expansion coefficient, good thermal conductivity, wear resistance, casting, and good machining performance. . With the continuous improvement of engine power and emission requirements, the high heat load on the top of the piston is getting higher and higher, and the pistons produced by traditional aluminum-based alloys such as ZL108 and ZL109 cannot withstand this high heat load. Contents of the invention [0003] The purpose of the present invention is to provide an aluminum-based material for engine pistons, which can meet the continuously increasing engine powe...
Claims
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IPC IPC(8): C22C21/02
Inventor 金铭车连夫易绿林喻本海
Owner 湖南江滨机器厂