High-strength silver-free copper-based brazing filler metal

A high-strength, silver-copper technology, applied in the direction of welding/cutting media/materials, welding media, welding/welding/cutting items, etc., can solve the problems of human poisoning, waste of resources, increase costs, etc., to achieve enhanced tensile strength, Good welding effect and lower melting point

Inactive Publication Date: 2015-09-09
ANHUI HUAZHONG WELDING MATERIAL CO LTD
0 Cites 5 Cited by

AI-Extracted Technical Summary

Problems solved by technology

However, Ag is a precious metal, which increases the cost of the enterprise and wastes the country's scarce resources. Moreover, the cadmium-containing brazing ...
View more

Method used

A kind of high-strength silver-free copper-based brazing material, its cost is low, safety and environmental protection, welding effect are good, by adding Sn...
View more

Abstract

The invention discloses a high-strength silver-free copper-based brazing filler metal which is composed of P, Sn, Ni and Cu. The high-strength silver-free copper-based brazing filler metal is low in cost, safe, environmentally friendly and good in welding effect; through the adding of Sn and Ni, the melting point of brazing filler metal alloy is reduced, and the tensile strength and wettability of the brazing filler metal alloy are enhanced.

Application Domain

Welding/cutting media/materialsWelding/soldering/cutting articles +1

Technology Topic

Filler metalCopper +3

Examples

  • Experimental program(1)

Example Embodiment

[0016] In order to make it easy to understand the technical means, creative features, goals and effects achieved by the present invention, the present invention will be further explained in conjunction with specific embodiments below.
[0017] A high-strength silver-free copper-based solder is composed of the following components by mass percentage:
[0018] P: 5%
[0019] Sn: 1-4%
[0020] Ni: 1-2%
[0021] The remainder is Cu.
[0022] The preferred mass percentage of each component is:
[0023] P: 5%
[0024] Sn: 4%
[0025] Ni: 1%
[0026] The remainder is Cu.
[0027] A high-strength silver-free copper-based solder with low cost, safety and environmental protection, and good welding effect. By adding Sn and Ni, the melting point of the solder alloy is reduced, and the tensile strength and wettability of the solder alloy are enhanced.
[0028] The basic principles and main features and advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the foregoing embodiments. The foregoing embodiments and descriptions only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have Various changes and improvements, these changes and improvements all fall within the scope of the claimed invention. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

PUM

no PUM

Description & Claims & Application Information

We can also present the details of the Description, Claims and Application information to help users get a comprehensive understanding of the technical details of the patent, such as background art, summary of invention, brief description of drawings, description of embodiments, and other original content. On the other hand, users can also determine the specific scope of protection of the technology through the list of claims; as well as understand the changes in the life cycle of the technology with the presentation of the patent timeline. Login to view more.

Similar technology patents

Material including graphene and an inorganic material and method of manufacturing the material

ActiveUS20110129675A1reduce defectlow cost
Owner:SAMSUNG ELECTRONICS CO LTD +1

Haptic trackball device

InactiveUS7710399B2simple actuatorlow cost
Owner:IMMERSION CORPORATION

Mobile authentication for network access

ActiveUS20060069916A1low cost
Owner:ALCATEL LUCENT SAS

Classification and recommendation of technical efficacy words

  • Good welding effect
  • low cost

Automatic brazing device of connection between copper and stainless steel

InactiveCN103111697AGood welding effectImprove welding quality
Owner:KUNSHAN FOR EASIER AUTOMATION TECH

Electric connector

ActiveCN107565229ATake advantage ofGood welding effect
Owner:DEYI PRECISION ELECTRONIC IND CO LTD PANYU

Automatic welding method used for heat exchanger and device for automatic welding method

ActiveCN107252951AQuick and precise positioningGood welding effect
Owner:FOSHAN SHUNDE DISTRICT TUOQIU MINGXIN AIR - CONDITIONING HEAT PUMP IND CO LTD

Environment-friendly EVA waterproof coil and preparation method thereof

InactiveCN108485047AExcellent performanceGood welding effect
Owner:铁科腾跃科技有限公司

System and method for transmitting wireless digital service signals via power transmission lines

ActiveUS7929940B1reduce bandwidth requirementlow cost
Owner:NEXTEL COMMUNICATIONS

System and method for determination of position

InactiveUS20090149202A1low costreduce requirement
Owner:STEELE CHRISTIAN

Adaptive antenna optimization network

InactiveUS6961368B2low costminimal space
Owner:ERICSSON INC

Antenna device and method for attaching the same

ActiveUS20150138022A1low costimproved strength characteristic
Owner:NEC CORP
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products