EASY-TO-CUT ZINC-COPPER-NICKEL ALLOY, PREPARATION METHOD THEREFOR AND USE THEREOF

Title:

EASY-TO-CUT ZINC-COPPER-NICKEL ALLOY, PREPARATION METHOD THEREFOR AND USE THEREOF

Document Type and Number:

WIPO Patent Application WO/2021/128434

Kind Code:

A1

Abstract:

Disclosed is an easy-to-cut zinc-copper-nickel alloy, wherein the composition thereof, in weight percentage, is: Cu: 42.5-47.5 wt%, Ni: 8.0-12.0 wt%, Mn: 4.0-8.0 wt%, and Bi: 0.05-1.5 wt%, the balance being Zn and inevitable impurities. The easy-to-cut zinc-copper-nickel alloy can be processed into products such as rods and wires. The preparation process therefor comprises: fusion casting → extruding → stretching → intermediate annealing → stretching → pre-finished product annealing → stretching → finished product. The easy-to-cut zinc-copper-nickel alloy has an improved cutting property, and the alloy strength is improved by using a β phase, and same has a cutting performance similar to that of a lead-zinc-copper-nickel alloy under the condition of a relatively low Bi content. The easy-to-cut zinc-copper-nickel alloy has a tensile strength of ≥ 550 MPa, has a cutting performance reaching 80 percent or above that of the lead-zinc-copper-nickel alloy C79860, and can meet requirements of industries such as household appliances, communication equipment, medical equipment, detection and control instruments, sports equipment, and pen manufacturing.

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Inventors:

YANG TAISHENG (CN)
YANG CHAOYONG (CN)
XIONG CHENGYI (CN)
ZHAO HONGBIN (CN)
LIU PING (CN)
ZHOU YAOHUA (CN)
ZHU QINGPING (CN)
ZHANG XUAN (CN)

Application Number:

PCT/CN2020/000004

Publication Date:

July 01, 2021

Filing Date:

January 06, 2020

Export Citation:

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Assignee:

NINGBO POWERWAY ALLOY MAT CO LTD (CN)

International Classes:

C22C30/06; C22C30/02; C22C30/04; C22F1/02; C22F1/08; C22F1/16

Foreign References:

CN101952469A	2011-01-19
CN101952469A	2011-01-19
CN1796582A	2006-07-05
CN101787463A	2010-07-28
CN101070573A	2007-11-14
CN101070931A	2007-11-14
US20170016097A1	2017-01-19
CN107151750A	2017-09-12

Attorney, Agent or Firm:

NINGBO AOSHENG PATENT AGENT OFFICE (CN)

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