High-hardness Ti(C, N)-based metal-ceramic cutter composite

A technology of composite materials and ceramic cutting tools, which is applied in the field of new composite materials, can solve problems such as insufficient high-temperature hardness, insufficient strength and toughness, and poor wear resistance, and achieve the effect of improving high-temperature hardness and bending strength

Inactive Publication Date: 2017-11-24
SUZHOU HONGJIU AVIATION THERMAL MATERIALS TECH CO LTD
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, the problems still exist in Ti(C,N)-based cermet tools are insufficient strength and toughness, in

Method used

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specific Embodiment approach

[0017] A high-hardness Ti (C, N)-based cermet cutting tool composite material is characterized in that the components of the composite material include: Ti, TiB2, WC, C, Ni, Mo. The composite material is Ti(C,N)-TiB 2 -WC or Ti(C,N)-TiB 2 -(W,Ti)C cermet tool material; Ti is Ti(C5,N5), atomic ratio C:N is 5:5, average particle size is 1.5μm, purity is 99.9%, mass fraction is 55%; powder TiB 2 It is a reinforcing phase with an average particle size of 2μm, a purity of 99%, and a mass fraction of 20%; WC has an average particle size of 2μm, a purity of 99.6%, C is (W0.7, Ti0.3)C, and an average particle size of 1.5 μm, the purity is 99%, the mass fraction of WC and C is 15%; Ni is nano-Ni, the average particle size is 0.05 μm, the purity is 99.9%, the mass fraction is 5%, Mo is nano-Mo, the average particle size is 0.06 μm, The purity is 99%, and the mass fraction is 5%.

[0018] Specific process: Ball mill various raw powders separately for 96 hours to avoid agglomeration an...

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Abstract

A high-hardness Ti(C, N)-based metal-ceramic cutter composite is characterized by comprising Ti, TiB2, WC, C, Ni and Mo, wherein the composite is a Ti(C, N)-TiB2-WC metal-ceramic cutter material or a Ti(C, N)-TiB2-(W, Ti)C metal-ceramic cutter material; Ti is Ti (C5, N5), the atomic ratio of C to N is 5:5, the average particle size of Ti is 1.5 microns, and the purity is 99.9%; powder TiB2 is a reinforcement phase, the average particle size is 2 microns, and the purity is 99%; the average particle size of WC is 2 microns, the purity of WC is 99.6%, C is (W0.7, Ti0.3)C, the average particle size of C is 1.5 microns, the purity of C is 99%, and the mass fraction of WC and C is 15%; Ni is nanometer Ni, the average particle size of Ni is 0.05 micron, and the purity of the Ni is 99.9%; Mo is nanometer Mo, the average purity is 0.06 micron, and the purity is 99%. The high-hardness Ti(C, N)-based metal-ceramic cutter composite improves the hardness and the bending strength, at the high temperature, of the Ti(C, N)-based metal-ceramic cutter, improves the mechanical properties of the cutter, saves noble rare metals such as Co, Ta and W, facilitates to improve national resource guarantee and pushes upgrading and updating of hard alloy materials in China.

Description

technical field [0001] The present invention relates to a novel composite material, in particular the composition of the composite material includes a reinforcing phase TiB 2 As well as nanometer Ni and Mo, it can be widely used in the field of cutting tools. Background technique [0002] With the development of the economy, various resources are scarce. my country's metal Co resources are relatively poor. As a strategic precious metal, the price of Co has continued to rise in recent years. In order to save resources, it is especially important to invent materials that can replace scarce resources. important; therefore, the development and wide application of Ti(C,N)-based cermet tools with good comprehensive properties can not only promote the upgrading of cemented carbide materials in my country, but also save the Co, Precious and rare metals such as Ta and W are of great significance in improving the level of national resource protection, and their development space is rel...

Claims

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Application Information

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IPC IPC(8): C22C29/04
CPCC22C29/04C22C29/005
Inventor 孙晨晨其他发明人请求不公开姓名
Owner SUZHOU HONGJIU AVIATION THERMAL MATERIALS TECH CO LTD
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