Manganese-containing boron iron-based wear-resistant flux-cored wire for surfacing and preparation method of surfacing alloy

A technology of flux-cored welding wire and ferroboron, applied in welding equipment, welding equipment, arc welding equipment, etc., can solve the problems of energy and material consumption, mechanical failure, etc., and achieve the effect of improving wear resistance and hard phase morphology.
CN102407411AInactive Publication Date: 2012-04-11BEIJING UNIV OF TECH
7 Cites 6 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
BEIJING UNIV OF TECH
Publication Date
2012-04-11
Estimated Expiration
Not applicable · inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention discloses a manganese-containing boron iron-based wear-resistant flux-cored wire for surfacing and a preparation method of a surfacing alloy, belonging to the field of machining welding materials. A powder flux core of the flux-cored wire comprises the following components by mass percentage: 25-50% of ferro-boron, 15-40% of electrolytic manganese, and 10-60% of iron powder; an outer belt material of the flux-cored wire is an SPCC (Steel Plate Cold Commercial) steel belt; and the filling rate of the powder flux core in a hollow welding wire is 25-27%. In a process of preparing the surfacing alloy by gas shield welding, the voltage is 22-30V, the current is 190-240A, the wire feeding speed is 410-510mm / min, the gas flow rate is 15-25L / min, and the distance of the welding wireextending out of a current contact nozzle is 19-25mm. The surfacing alloy prepared by the flux-cored wire of the invention contains high-hardness Mn2B and Fe2B, the hardness of the alloy is higher, the wear resistance is improved under an impaction condition, the welding manufacturability is excellent, and the wear resistance of a surfaced metal under the impaction condition is excellent.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention belongs to the field of welding materials for material processing, and relates to a manganese-containing and boron-containing iron-based wear-resistant surfacing flux-cored welding wire, which is used in the repair and manufacture of mechanical wear-resistant parts in many industries. Background technique

[0002] Wear and tear is one of the main causes of mechanical failure, bringing huge energy and material consumption to industry. In the development of modern industry and technology, mechanical equipment and its parts face increasingly harsh impact and wear environments in use, and the requirements for impact and wear resistance of materials are getting higher and higher.

[0003] The wear resistance of the surfacing alloy under the action of a certain impact force depends on many factors, mainly on the matching of the base structure and the hard phase. In order to cope with the complex wear environment of impact wear, the surfacing m...

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