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A kind of high temperature resistant alloy and its production process

A high-temperature-resistant alloy and production process technology, which is applied in the field of high-temperature-resistant alloys and its production process, can solve problems such as damage and easy deformation of hard alloy strips, and achieve the effects of reducing cutting force, reducing friction coefficient, and improving high-temperature performance

Active Publication Date: 2016-05-11
中地装(无锡)钻探工具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

To solve the problem that the hard alloy strip used for steel slag reaming is easily deformed and damaged at high temperature in the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] In this embodiment, a high temperature resistant alloy has the following components by mass percentage: Co: 9%, Ni: 6%, TaC: 1%, Cr3C2: 1%, WC: 83%.

Embodiment 2

[0022] In this embodiment, a high temperature resistant alloy has the following components by mass percentage: Co: 8%, Ni: 6%, TaC: 2%, Cr3C2: 1%, WC: 83%.

Embodiment 3

[0024] In this embodiment, a high temperature resistant alloy has the following components by mass percentage: Co: 10%, Ni: 5%, TaC: 1%, Cr3C2: 1%, WC: 83%.

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PUM

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Abstract

The invention discloses a high-temperature-resistant alloy and a production process thereof. The high-temperature-resistant alloy comprises the following components in percentage by mass: 8 to 10 percent of Co, 4 to 6 percent of Ni, 1 to 2 percent of TaC, 0.5 to 1 percent of Cr3C2 and 80 to 85 percent of WC. A rare earth material of the high-temperature-resistant alloy can ensure that the linear expansibility of a hard alloy is significantly improved, so that the matching of the linear -expansibilities of the hard alloy and a mosaic matrix can be improved. Cr or Cr3C2 is added to strengthen a Ni binding phase, and the function is particularly effective. Thus, the mechanical properties and corrosion resistance of the alloy at room temperature can be obviously improved, the plastic deformation of the alloy at high temperature can be effectively inhibited, and the alloy is endowed with high oxidation resistance. Moreover, the corrosion resistance, the high temperature strength and the high temperature deformation resistance of the material are greatly improved to meet use requirements of clients.

Description

technical field [0001] The invention relates to an alloy material, in particular to a high temperature resistant alloy and a production process thereof. Background technique [0002] At present, in order to achieve the effect of steel slag hole expansion, steelmaking furnaces generally weld several cemented carbide strips on the surface of the steel body, and then form a spiral structure to achieve hole expansion. The working temperature is about 1200°C. However, traditional cemented carbide bars are mostly made of the general-purpose brand YG15. Due to the poor high-temperature performance of the brand YG15, the product is prone to deformation and damage in high-temperature working environments. Contents of the invention [0003] The object of the present invention is to provide a high temperature resistant alloy and its production process, which has the characteristics of good mechanical properties, good corrosion resistance and good oxidation resistance. In order to so...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C29/08C22C1/05
Inventor 朱剑军董洁张丽君孙环平
Owner 中地装(无锡)钻探工具有限公司
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