Copper-aluminum pre-alloy, preparation method and diamond tool

• Main Authors: PAN JIANJUN, ZHONG SUJUAN, YU XINQUAN, PAN SHISHI, WANG QIN, MA JIA, WANG LUYI, YU QI, GENG JINFENG
• Format: Patent
• Language: Chinese; English
• Published: 15.03.2022
• Subjects: ALLOYS; BROACHING; CASTING; CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES; CHEMISTRY; EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FERROUS OR NON-FERROUS ALLOYS; FILING; FIXED CONSTRUCTIONS; GRINDING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOTOTHERWISE PROVIDED FOR; MACHINE TOOLS; MAKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; METAL-WORKING NOT OTHERWISE PROVIDED FOR; METALLURGY; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; PERFORMING OPERATIONS; PLANING; POLISHING; POWDER METALLURGY; SAWING; SCRAPING; SHEARING; SLOTTING; TOOLS FOR GRINDING, BUFFING, OR SHARPENING; TRANSPORTING; TREATMENT OF ALLOYS OR NON-FERROUS METALS; WORKING METALLIC POWDER

The invention provides a copper-aluminum pre-alloy, a preparation method and a diamond tool. The copper-aluminum pre-alloy comprises the following components: 12-24 parts by mass of aluminum; 4 to 6 parts by mass of zinc; 0 to 12 parts by mass of tin; 3 to 5 parts by mass of iron; 1-4 parts by mass of silicon; 3 to 5 parts by mass of nickel; and 44 to 77 parts by mass of copper. The copper-aluminum pre-alloy provided by the invention can be used for a diamond tool, the performance of the tool is improved, and the service life is prolonged. 本发明提供了一种铜铝预合金、制备方法、金刚石工具；铜铝预合金包括以下成分：铝，12质量份至24质量份；锌，4质量份至6质量份；锡，0质量份至12质量份；铁，3质量份至5质量份；硅，1质量份至4质量份；镍，3质量份至5质量份；铜，44质量份至77质量份。本发明提供的铜铝预合金可以用于金刚石工具，提高工具的性能和使用寿命。