Powder used for laser-cladding zinc corrosion resistant cobalt-based alloy and preparation technology for modified layer

A technology of laser cladding and cobalt-based alloys, which is applied in the coating process of metal materials, coatings, etc., can solve problems such as inapplicability and corrosion of common alloys, achieve good industrial application prospects and economic benefits, inhibit corrosion, improve resistance The effect of wear and corrosion resistance
CN104493152AActive Publication Date: 2015-04-08SHENYANG POLYTECHNIC UNIV
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
SHENYANG POLYTECHNIC UNIV
Publication Date
2015-04-08

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Abstract

The invention discloses powder used for enhancing a zinc corrosion resistant cobalt-based alloy laser-cladding layer by preparing an intermetallic compound on surface of iron-base alloy and a preparation technology, belongs to the technical field of surface engineering, and provides a novel protection coating material and a preparation technology thereof to further improve high-temperature resistance abrasion and zinc corrosion performance of key components on a hot galvanizing production line of sink rolls, shaft sleeves, and the like, and prolong the service life of the components. The alloy powder is good in forming capacity, and high in bonding intensity with iron-base alloy base body; the laser-cladding layer is high in cost performance, excellent in abrasion resistant and zinc corrosion resistant performance, and suitable for preparation and re-preparation of laser surface protection coatings on components of the sink rolls, the shaft sleeves, and the like, and has a favorable application prospect and economic benefits.
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Description

Technical field:

[0001] The invention relates to a preparation process of powder and modified layer used for laser cladding of iron-based alloy surface intermetallic compound enhanced zinc corrosion resistance and cobalt-based alloy, which belongs to the technical field of surface engineering and is suitable for sinking rollers and shafts in continuous hot-dip galvanizing production lines of strip steel Surface protection and remanufacturing of important consumable parts such as sleeves. Background technique:

[0002] Hot-dip galvanizing is one of the most widely used and cost-effective steel surface protection treatment methods in the world today. In recent years, my country's automobile, construction, household appliances and other industries have developed rapidly, and the demand for hot-dip galvanized products has increased year by year, and hot-dip galvanized technology has also shown a new development trend. Sinking rollers and shaft sleeves are important consumable p...

Claims

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