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1. (WO2017198127) HIGH-STRENGTH AND HIGH-CONDUCTIVITY COPPER ALLOY AND APPLICATIONS OF ALLOY AS MATERIAL OF CONTACT LINE OF HIGH-SPEED RAILWAY ALLOWING SPEED HIGHER THAN 400 KILOMETERS PER HOUR

Pub. No.:    WO/2017/198127    International Application No.:    PCT/CN2017/084336
Publication Date: Fri Nov 24 00:59:59 CET 2017 International Filing Date: Tue May 16 01:59:59 CEST 2017
IPC: C22C 9/00
C22C 1/02
C22C 1/03
C22F 1/08
H01B 1/02
Applicants: ZHEJIANG UNIVERSITY
浙江大学
Inventors: LIU, Jiabin
刘嘉斌
XU, Yuqing
徐雨晴
WANG, Hongtao
王宏涛
FANG, Youtong
方攸同
MENG, Liang
孟亮
WANG, Litian
王立天
TIAN, Yu
田雨
Title: HIGH-STRENGTH AND HIGH-CONDUCTIVITY COPPER ALLOY AND APPLICATIONS OF ALLOY AS MATERIAL OF CONTACT LINE OF HIGH-SPEED RAILWAY ALLOWING SPEED HIGHER THAN 400 KILOMETERS PER HOUR
Abstract:
A high-strength and high-conductivity copper alloy and applications of the alloy as a material of a contact line of a high-speed railway allowing a speed higher than 400 kilometers per hour. The copper alloy has the following characteristics: (1) constituents of the copper alloy are in the form of CuXY, X is one or more selected from Ag, Nb and Ta, and Y is one or more selected from Cr, Zr and Si; (2) at a room temperature, the element X in the copper alloy exists in the form of a pure phase and solid solution atoms, the element Y exists in the form of a pure phase and solid solution atoms or a CuY compound and solid solution atoms, the content of the element X existing in the form of the solid solution atoms is lower than 0.5%, and the content of the element Y existing in the form of the solid solution atoms is lower than 0.1%; and (3) the copper alloy exists in the form of long strip rods or lines, the element X in the form of the pure phase is embedded in the copper alloy in the form of fibers disposed in parallel approximately, and the axial direction of the fibers is approximately in parallel with the axial direction of the copper alloy rods or lines; and the element Y existing in the copper alloy in the form of the pure phase or the CuY compound is embedded in the copper alloy in the form of particles. The copper alloy is suitable for being used as a material of a contact line of a high-speed railway allowing a speed higher than 400 kilometers per hour.