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Nano ceramic alloy material for strengthening surface of ductile iron roller with laser and preparation method thereof

A nano-ceramic alloy and roll surface technology, which is applied in the field of laser strengthening alloy materials, can solve the problems of not seeing nano-ceramic alloy materials, achieve superior laser processing performance, good machine use effect, and improve service life.

Inactive Publication Date: 2015-03-04
鞍山煜宸科技有限公司
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Problems solved by technology

[0004] At present, there are many patents and reports on the repair of equipment parts by laser alloying or laser remanufacturing technology, but there is no nano-ceramic alloy material specially used for the effective treatment of large-area laser alloying on the working surface of ductile iron rolls at home and abroad. Related reports

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  • Nano ceramic alloy material for strengthening surface of ductile iron roller with laser and preparation method thereof
  • Nano ceramic alloy material for strengthening surface of ductile iron roller with laser and preparation method thereof

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Embodiment Construction

[0015] The present invention will be further described below in conjunction with specific embodiment:

[0016] The invention provides a nano-ceramic alloy material for laser strengthening of the surface of a nodular iron roll, which is based on WC ceramic alloy, and its chemical composition is: C 4.0-5.5%, B 1.2-2.0%, Si 1.5- 2.5%, Co 4.0-14.0%, Ce 0.02-0.06%, W balance.

[0017] Another kind of nano-ceramic alloy material for laser strengthening of ductile iron roll surface is also based on WC ceramic alloy, and its chemical composition is as follows: C 4.0-5.5%, B 1.2-2.0%, Ti1.2-2.0% , Co 4.0~14.0%, Ce 0.02~0.06%, W balance.

[0018] In its preparation method, firstly, C, B, Co, Ce, and W elements are made into nano-ceramic alloy powder through spray pyrolysis, roasting, reduction, carbonization, and deoxidation, and then the average particle size is added to the powder by mechanical mixing. SiO below 0.3μm 2 or TiO 2 , Stir evenly that is the product. The chemical com...

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Abstract

The invention relates to the field of laser fusion covering alloy materials, in particular to a nano ceramic alloy material for strengthening the surface of a ductile iron roller with laser and a preparation method thereof. The method is characterized by taking WC ceramic alloy as the base and comprising the following chemical components in weight percentage: 4.0 to 5.5 percent of C, 1.2 to 2.0 percent of B, 1.5 to 2.5 percent of Si, 4.0 to 14.0 percent of Co, 0.02 to 0.06 percent of Ce, and the balance of W. The laser fusion covering nano ceramic alloy material of the surface of the ductile iron roller is characterized by taking WC ceramic alloy as the base and comprising the following chemical components in weight percentage: 4.0 to 5.5 percent of C, 1.2 to 2.0 percent of B, 1.2 to 2.0 percent of Ti, 4.0 to 14.0 percent of Co, 0.02 to 0.06 percent of Ce, and the balance of W. Compared with the prior art, the nano ceramic alloy material has the advantages that the nano ceramic alloy material provides a convenient and rapid method for repairing disabled ductile iron rollers for steel rolling industry, with remarkable efficiency.

Description

technical field [0001] The invention relates to the field of laser strengthening alloy materials, in particular to a nano-ceramic alloy material for laser strengthening of the surface of a nodular iron roll and a preparation method thereof. Background technique [0002] Because the alloy ductile iron roll has good thermal conductivity and thermal fatigue resistance, it is often used as a transition pass roll for intermediate rolling. During work, the roll is subjected to greater working pressure and impact, and the surface is directly in contact with the temperature above 1000 ° C. High-temperature rolled material contact easily leads to wear and thermal fatigue. Strengthening the surface of the roll with appropriate technology to improve the wear resistance and thermal fatigue resistance of the working surface is an effective measure for iron and steel enterprises to reduce costs and improve work efficiency. [0003] Laser surface alloying is to use the high-energy-density...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C29/08C23C24/10
Inventor 陈长义邢飞徐国建
Owner 鞍山煜宸科技有限公司
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