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Aluminium and bronze alloy and process for preparing same

An aluminum bronze and alloy technology, applied in the field of alloys and their preparation, can solve the problems of slip marks and scratches on the surface of the product, many times of mold repairs, mold loss, etc., and achieves good adhesion resistance, less mold loss, and good wear resistance. Effect

Inactive Publication Date: 2005-06-22
LANZHOU UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

Due to the serious tendency of iron-based materials to stick to each other, it is easy to cause mold sticking and scratches on the workpiece when stretching and rolling stainless steel blanks. The surface of the product has serious slip marks and scratches, and subsequent polishing processes are required to carry out surface treatment on the workpiece. Severe loss, more mold repairs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0006] The composition of the high-strength wear-resistant aluminum bronze alloy of the present invention is measured by weight percentage: Cu75∽82%, Al13∽16%, Mn0.8∽2.5%, Fe2.5∽5.0%, Co0.2∽2.0%, Ni0 .4∽2.0%, Zn0.4∽1.2%, Re0.2∽2.5%, impurity≤1.0%;

[0007] According to the above alloy composition, the prepared raw material pure electrolytic copper plate, electrolytic aluminum, electrolytic nickel, electrolytic manganese, electrolytic zinc, iron (select oil-removing iron wire or iron nail with better smoothness), electrolytic drill, etc. Melt in the atmosphere in an intermediate frequency electric furnace (leave a small amount of aluminum as a pre-deoxidizer), blow nitrogen (hydrogen) inert gas for pre-refining after melting, add pre-deoxidizer to pre-deoxidize, keep it at 1250C, conduct chemical refining and add pure rare earth Perform final deoxidation, rake out the slag, add a covering agent to keep it warm after passing the air content test, and let it stand at 1260°C for 3-5 m...

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PUM

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Abstract

The invention discloses an aluminium bronze alloy and its preparing process with the constituents (by weight percentage) of, Cu75-82%, Al 13-16%, Mn 0.8-2.5%, Fe2.5-5.0%, Co 0.2-2.0%, Ni 0.4-2.0%, Zn 0.4-1.2%, Re 0.2-2.5%, impurity <=1.0%. The preparation comprises dispensing, melting, pre-refining in inert gas, thermal insulating, deoxidizing, charging covering agent, heat preserving and casting.

Description

Technical field [0001] The invention relates to an alloy and a preparation method thereof. Background technique [0002] At present, molds used for processing large plate heat exchanger sheets, cooking and drinking utensils, some mirror stainless steel plates and titanium steel plates in household appliances are generally made of alloy steel such as Cr12, Cr12MoV, T10A, Cr15, and Cr-Ni. Due to the serious tendency of iron-based materials to adhere to each other, it is easy to stick to the mold and scratch the workpiece when stretching and calendering the stainless steel blank. The surface of the product is slippery and scratched. The subsequent polishing process is required to perform surface treatment on the workpiece. The loss is serious and the number of mold repairs is more. Summary of the invention [0003] The purpose of the invention is to reduce the slippage and scratches in the production process of the stainless steel and titanium steel mirror panel piece workpieces, i...

Claims

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Application Information

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IPC IPC(8): C22C9/10
Inventor 路阳王智平李文生苏义祥许建林金玉花朱小武
Owner LANZHOU UNIVERSITY OF TECHNOLOGY
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