Unlock instant, AI-driven research and patent intelligence for your innovation.

Fusion curingprocess article and copper alloy material for fusion curingprocess and manufacturing method thereof

By adding specific elements to copper alloy materials and controlling the alloy composition and process, a fine grain structure is formed, which solves the problem of decreased mechanical properties and corrosion resistance caused by coarse grains in copper alloy welding materials, and improves the strength and corrosion resistance of the welded parts.

Inactive Publication Date: 2008-09-24
MITSUBISHI SHINDOH CO LTD
View PDF2 Cites 18 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are many cases where the former cannot be selected, and the problem cannot be solved in terms of strength or corrosion resistance, while the latter has problems in terms of manufacturing cost and equipment.
Another big concern with this type of weld is the soundness of the weld

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0112] As examples, melt-solidified products No. 1 to No. 67 according to the present invention shown in Tables 1 to 4 were produced.

[0113] Melting and solidifying processed objects No. 1 to No. 43 are respectively formed on the surface of the copper alloy plate A1 by a TIG welding machine to form a bead A corresponding to the melting and solidifying process. That is, in a state where the distance between the electrode and the copper alloy plate A1 is kept at 1 to 2 mm, the electrode is subjected to welding current: 150A (140 to 180A depending on the material), and electrode moving speed: 100mm / min. , while moving about 40 mm in the direction of the plate width so that the size of the molten pool (melting portion) becomes depth: about 3 mm, bead width: about 8 mm, and form the bead A (melting and solidification treatment part) on the copper alloy plate A1 superior. In addition, the welding current is specified so that the size of this molten pool is prioritized. Each copp...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
particle diameteraaaaaaaaaa
particle diameteraaaaaaaaaa
particle diameteraaaaaaaaaa
Login to View More

Abstract

A melted-solidified matter having a melted-solidified portion formed by welding, deposit welding, thermal spray or fusion. The melted-solidified portion has an alloy composition comprising 0.0005 to 0.05 mass% Zr, 0.01 to 0.35 mass% P and the balance of Cu wherein the content of P [P] and the content of Zr [Zr] satisfy the relationship: [P] / [Zr]=0.3 to 200, and has an average crystal grain diameter of = 300 [mu]m in the macrostructure after melting-solidification. In the event where Fe and / or Ni is contained as unavoidable impurities in the melted-solidified portion, when either thereof is contained, the content of Fe or Ni is restricted to = 0.3 mass%. When Fe and Ni are contained, the total content thereof is restricted to = 0.4 mass%.

Description

technical field [0001] The present invention relates to a melt-solidified product having a melt-solidified part (welded part, welded part, thermal sprayed layer) , fusing end), and also relates to a copper alloy material for melting and solidification treatment (material to be welded, material to be melted, filler material (welding rod, etc.), thermal spraying material), used for forming the part to be melted and solidified and to manufacture it method. Background technique [0002] As a melt-solidified product, for example, a welded pipe made of phosphorus-deoxidized copper is generally known as a weld, but it is pointed out that the strength is insufficient due to the coarsening of the crystal grains in the welded part. Therefore, a welded pipe in which coarsening of crystal grains at the welded portion is avoided as much as possible by using a copper alloy material in which Fe or Co is added to phosphorus-deoxidized copper has been conventionally proposed. For example, ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C22C9/04C22C9/02C22C9/10
CPCC22C9/00Y10T428/12903C22C9/10C22C9/01C22C9/04C22C9/02Y10T428/12292C22C1/06B23K35/302
Owner MITSUBISHI SHINDOH CO LTD