公开(公告)号：US20210317550A1

公开(公告)日：2021-10-14

申请号：US16346349

申请日：2018-09-25

申请人： JX Nippon Mining & Metals Corporation

发明人： Masahiro TAKAHATA

IPC分类号： C22C9/04 ,  C21D8/06 ,  C22F1/00 ,  C22C1/02

摘要： The present invention provides a corrosion-resistant CuZn alloy, the alloy having a Zn content of from 15 to 55% by mass, the balance being Cu and inevitable impurities, wherein a total content of Zn and Cu is 99.995% by mass or more, and wherein a number of pores is 1/cm2 or less based on optical microscopic observation.

公开(公告)号：US20210359482A1

公开(公告)日：2021-11-18

申请号：US17288403

申请日：2020-01-06

申请人： JX Nippon Mining & Metals Corporation

发明人： Masahiro TAKAHATA ,  Hideaki FUKUYO ,  Toru IMORI ,  Koichi TAKEMOTO

IPC分类号： H01S3/038

摘要： A copper electrode material comprising Cu and unavoidable impurities, wherein the content of the unavoidable impurities is 1 ppm by mass or less and the average crystal grain diameter is 100 μm or less. A copper-containing electrode material having improved corrosion resistance is provided by the copper electrode material.

公开(公告)号：US20210355563A1

公开(公告)日：2021-11-18

申请号：US17288398

申请日：2019-12-03

申请人： JX Nippon Mining & Metals Corporation

发明人： Masahiro TAKAHATA

IPC分类号： C22C9/04 ,  C22F1/08

摘要： Provided is a corrosion-resistant CuZn alloy, in which: the Zn content is 36.8 to 56.5 mass % and the balance is Cu and inevitable impurities; and the β-phase surface area percentage is 99.9% or greater.