公开(公告)号：EP4421197A1

公开(公告)日：2024-08-28

申请号：EP22943612.6

申请日：2022-12-27

申请人： Jiangsu Zhongtian Technology Co., Ltd. ,  Shanghai Zhongtian Aluminum Wire Co., Ltd.

发明人： BAI, Qingling ,  ZHOU, Feng ,  MIAO, Yaojun ,  SHAN, Xiaolong ,  WANG, Xinyu ,  XU, Haibo ,  MIAO, Xiaolin ,  XU, Chunjian

IPC分类号： C22C21/00 ,  C22F1/04 ,  H01B1/02

CPC分类号： Y02P10/20

摘要： The present application relates to the technical field of aluminum alloy materials, and provides a super-heat-resistant aluminum alloy monofilament. The strength of the monofilament is greater than 170 MPa, the conductivity is greater than 58% IACS, and a strength residual rate of the monofilament is greater than 90% when the monofilament is heated at 400°C for 1 hour. The monofilament is prepared by the following method: providing an aluminum alloy rod; performing first aging heat treatment on the aluminum alloy rod; drawing a rod material into a monofilament; and performing second aging heat treatment on the alloy monofilament, wherein elemental components of the aluminum alloy rod comprise, in percentage by mass, 0.15%-0.30% of Fe, smaller than or equal to 0.08% of Si, 0.1%-0.3% of Ni, 0.01%-0.2% of Nb, 0.2%-0.35% of Zr, 0.05%-0.2% of Re, and the remainder being Al and other inevitable impurity elements, and the total amount of the inevitable impurity elements is less than or equal to 0.03%.

公开(公告)号：EP4253582A1

公开(公告)日：2023-10-04

申请号：EP20967925.7

申请日：2020-12-31

申请人： Shanghai Zhongtian Aluminum Wire Co., Ltd. ,  Jiangsu Zhongtian Technology Co., Ltd.

发明人： MIAO, Yaojun ,  HONG, Xiaohong ,  ZANG, Ruiyan ,  XU, Chunjian ,  MIAO, Xiaolin ,  XU, Yifeng ,  WANG, Xinyu ,  CAO, Yan ,  XU, Haibo

IPC分类号： C22C21/00 ,  C22C21/08 ,  C22C1/03 ,  C22F1/04 ,  C22F1/043 ,  C22F1/047 ,  C22F1/05 ,  C22C1/06

摘要： The present disclosure relates to the technical field of conducting wires. Provided are an aluminum alloy wire and a preparation method therefor and a use thereof. The aluminum alloy wire is prepared by means of specific raw materials and according to specific contents, which can effectively improve the tensile strength of a single aluminum alloy wire while ensuring the electric conductivity thereof. The tensile strength and other performances of the single aluminum alloy wire can further be improved in combination with the specific preparation method of the present disclosure. The aluminum alloy wire is used for machining a conducting wire, which can improve the overall pull weight ratio of the conducting wire, reduce the sag of the conducting wire, and greatly reduce the investment cost of a pole tower, thereby providing a new conducting wire selection for an energy-saving overhead conducting wire.

公开(公告)号：EP4321644A1

公开(公告)日：2024-02-14

申请号：EP21941638.5

申请日：2021-10-21

申请人： Shanghai Zhongtian Aluminum Wire Co., Ltd.

发明人： MIAO, Yaojun ,  ZHOU, Feng ,  MIAO, Xiaolin ,  XU, Chunjian ,  HONG, Xiaohong ,  XU, Haibo

IPC分类号： C22C21/00 ,  C22C1/03 ,  B22D1/00 ,  B22D43/00 ,  C21D9/00 ,  C22F1/04 ,  H01B7/00 ,  H01B13/00 ,  H01B13/02

摘要： Disclosed are an aluminum alloy material, an aluminum alloy conductor and a preparation method thereof, which relates to the field of aluminum alloy. The aluminum alloy material includes the following components in percentage by mass: 0.1-0.25% of Fe, 0.01-0.05% of Si, 0.02-0.3% of Zr, 0.1-1% of M, 0.02-0.3% of Y, 0.01% or less of Mn, V, Ti and Cr, and Al in balance, where the mass ratio of Fe to Si is 2-8 and M is composed of La and Ce. By the selection of the specific components and the selection of the specific proportions, without significantly increasing the cost, the heat resistance and the mechanical property of the aluminum alloy material are effectively balanced and strengthened, and its conductivity is improved, so that the aluminum alloy material has excellent commercial application value.