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High wear resistance, high toughness titanium carbide base hard alloy capable of welding

A technology of cemented carbide and titanium carbide, which is applied in the field of cemented carbide, can solve problems that affect the technical performance and popularization of cemented carbide, poor welding, poor weldability, etc., and achieve superior cracking and seismic strength, low cost and price , the effect of light weight

Inactive Publication Date: 2006-01-11
帅进 +1
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AI Technical Summary

Problems solved by technology

However, as the hard phase of cemented carbide, TiC has two fatal shortcomings, one is brittleness, and the other is poor weldability. It can even be said that it is not compatible with copper, and the welding is not good, which seriously affects the technical performance and Promote application

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Example 1, according to the total weight percentage of hard alloy, get 32%TiC, 27%WC, 6%Ni, 1%V-Fe, 3%TaC or NbC, 4%Mn, 22%Fe, 2%Co, 3% % Cu, plus an appropriate amount of C, after mixing for 24-48 hours, sieve through 80 mesh, after sieving, dry at a temperature below 60°C, after drying, sieve through 20-80 mesh, and mix with glue after sieving, such as Mix rubber solution or rubber paraffin and other molding agents, after mixing rubber, press molding, and finally vacuum sintering in a furnace at 1380°C-1450°C, after inspection, it becomes a finished product.

Embodiment 2

[0015] Embodiment 2, according to the total weight percentage of cemented carbide, get 60% TiC, 15% Cr, 19% Ni or Fe, Co, 1% Cu, 5% Mn, add an appropriate amount of C, after mixing for 24-48 hours, Sieve according to the fineness of 100 mesh, and then dry at 60°C. After drying, sieve through 20-80 mesh, and then blend with rubber, such as rubber solution or rubber paraffin and other molding agents, and then press to form, and finally It is vacuum sintered at a high temperature of 1380°C-1450°C, and after sintering, it is inspected and becomes a finished product.

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Abstract

A carbonized hard Ti-base alloy with high weldability, anti-wear nature and toughness is prepared proportionally from the hard phase (TiC or the mixture of TiC and WC), adhesive phase chosen from Ni, Co and Fe, Cu and Mn or Mn compound, C, tantalum carbonate and / or niobium carbonate, V or V compound, Cr or Cr compound, and Mo or Mo compound.

Description

Technical field: [0001] The invention relates to a hard alloy, in particular to a weldable, high wear-resistant, high-toughness titanium carbide-based hard alloy. Background technique: [0002] The existing hard alloys generally use tungsten carbide as the hard phase and nickel, cobalt, and iron as the binder phase. Since tungsten is a rare metal in the world and an important strategic material in my country, resources are limited. , but with the rapid development of industrialization and modernization, the application of cemented carbide materials has become increasingly widespread, and the demand for tungsten carbide, which is the main component of cemented carbide materials, has increased sharply. Although my country is a country with large tungsten resources, the resource reserves are limited, and it is increasingly difficult to meet the needs of domestic production and international trade, so that the cost and price of tungsten carbide and tungsten powder have risen shar...

Claims

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Application Information

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IPC IPC(8): C22C29/06C22C1/04
Inventor 帅进郭勇
Owner 帅进
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