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Preparation method of Mo2FeB2-base metal ceramic coating applied to surface of die steel

A ceramic coating, mo2feb2 technology, applied in metal material coating process, coating, fusion spraying and other directions, can solve the problems of metal materials can not meet the mold requirements, material waste economy, failure and scrap, etc., to improve the diffusion driving force , The effect of reducing the initial temperature and increasing the hardness

Inactive Publication Date: 2015-01-07
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

With the rapid development of science and technology and the deterioration of the mold working environment, pure metal materials can no longer meet the requirements of the mold industry
Through investigation, it is found that the failure of the mold mostly starts from the fatigue wear of the surface layer, and most of the surface materials of the mold will fail and be scrapped after being worn out, resulting in great material waste and economic loss

Method used

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  • Preparation method of Mo2FeB2-base metal ceramic coating applied to surface of die steel
  • Preparation method of Mo2FeB2-base metal ceramic coating applied to surface of die steel
  • Preparation method of Mo2FeB2-base metal ceramic coating applied to surface of die steel

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Embodiment 1

[0028] Fe powder 16.00%, FeB powder 30.00%, Mo powder 45.00%, B powder 0.66%, Cr powder 2.50%, Ni powder 3.00%, Mn powder 2.34%, C powder 0.50%. The above raw materials were fully ball-milled in a QM-3SP2 planetary ball mill for 4 hours, dry-milled under the protection of argon, and sieved; then the ball-milled powder was sprayed on the surface of H13 mold steel; 2 FeB 2 The H13 mold steel with cermet coating is sintered in a GSL1300 vacuum sintering furnace. The sintering system is to put the sample into the sample after heating up to 600°C, and after sintering at 600°C×30min+800°C×30min+1000°C×90min+1100°C×30min+1200°C×60min, it is cooled to room temperature with the furnace, and the sintering process refers to figure 1 .

Embodiment 2

[0030] Fe powder 15.18%, FeB powder 34.00%, Mo powder 40.00%, B powder 1.32%, Cr powder 3.00%, Ni powder 3.00%, Mn powder 3.00%, C powder 0.50%. The above raw materials were fully ball-milled in a QM-3SP2 planetary ball mill for 4 hours, dry-milled under the protection of argon, and sieved; then the ball-milled powder was sprayed on the surface of H13 mold steel; 2 FeB 2 The H13 mold steel with cermet coating is sintered in a GSL1300 vacuum sintering furnace. The sintering system is to put the sample into the sample after heating up to 600°C, and after sintering at 600°C×30min+800°C×30min+1000°C×90min+1100°C×30min+1200°C×60min, it is cooled to room temperature with the furnace, and the sintering process refers to figure 1 .

[0031] The above embodiments all use mechanical ball milling to fully mix the metal powder, and finally carry out a series of technical routes such as plasma spraying. 2 FeB 2 In the design of the sintering process of the base cermet, the holding time...

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Abstract

The invention discloses a preparation method of Mo2FeB2-base metal ceramic coating applied to surface of die steel. The preparation method of the Mo2FeB2-base metal ceramic coating applied to the surface of the die steel comprises the following steps: burdening the following raw materials in percentage by mass: 12.00-16.00% of Fe powder, 30.00-35.00% of FeB powder, 40.00-45.00% of Mo powder, 0.50-2.00% of B powder, 2.00-3.00% of Cr powder, 2.00-3.00% of Ni powder, 2.00-3.00% of Mn powder and 0.20-0.50% of C powder; carrying out dry grinding in presence of argon, and then filtering; then spraying mixed powder onto the surface of die steel; and finally sintering at the temperature of 1200 DEG C in a vacuum sintering furnace. By adopting the preparation method of the Mo2FeB2-base metal ceramic coating, the hardness, elastic modulus and abrasion resistance of the metal ceramic coating are improved.

Description

technical field [0001] The invention belongs to a ceramic composition characterized by composition, in particular to a Mo 2 FeB 2 Preparation method of base metal ceramic coating. Background technique [0002] The iron and steel industry is the foundation of our country's national economy, and molds are known as the "cornerstone" of industrial development. With the rapid development of science and technology and the deterioration of the mold working environment, pure metal materials can no longer meet the requirements of the mold industry. Through the investigation, it is found that the failure of the mold mostly starts from the fatigue wear of the surface layer, and most of the surface materials of the mold will fail and be scrapped after being worn out, resulting in great material waste and economic loss. Therefore, an important method to improve the service life of the mold is to prepare high-performance coatings on its working parts and vulnerable parts, to enhance th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C4/06C23C4/12C23C4/134
CPCC23C4/06
Inventor 余黎明何明琳
Owner TIANJIN UNIV
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