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A kind of ternary boride and its preparation method and application

A ternary boride and element technology, applied in welding equipment, manufacturing tools, welding equipment, etc., can solve the problems of poor wear resistance, easy falling off, poor hardness, etc., and achieve good bonding strength, not easy to fall off, and good wear resistance Effect

Active Publication Date: 2022-04-26
山东旭拓新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Therefore, the technical problem to be solved in the present invention is to overcome the low bonding strength between the ternary boride and the base material in the prior art, which is easy to fall off during the cold and heat cycle, and the poor hardness and toughness after the ternary boride is combined with the base material. Poor, poor wear resistance and other defects, thereby providing a ternary boride and its preparation method and application

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  • A kind of ternary boride and its preparation method and application
  • A kind of ternary boride and its preparation method and application

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Embodiment 1

[0044] The present embodiment provides a kind of ternary boride, and its raw material comprises 195g ferroboron powder, 625g ferromolybdenum powder, 130g chromium powder, 20g ferrosilicon powder, 20g nickel powder and 10g ferromanganese powder; Wherein, boron mass content is 3.66%, the mass content of silicon element is 1.18%, the mass content of iron element is 40.3%, the mass content of molybdenum element is 39.36%, the mass content of chromium element is 12.89%, the mass content of nickel element is 2%, the mass content of manganese element is 0.55% .

[0045] The preparation method of above-mentioned ternary boride comprises,

[0046]Weigh each raw material according to the above-mentioned quality, use absolute ethanol as the ball milling medium, and ball mill for 16 hours to form a mixture, the particle size of the mixture is <10 μm; add 10wt% polyvinyl alcohol aqueous solution of the binder, mix evenly, and obtain a diameter of 2.5mm welding wire; argon arc welding is u...

Embodiment 2

[0048] The present embodiment provides a kind of ternary boride, and its raw material comprises 195g iron boron powder, 625g ferromolybdenum powder, 130g chromium powder, 20g ferrosilicon powder, 20g nickel powder, 10g ferromanganese powder; Wherein, boron mass content is 3.66%, the mass content of silicon element is 1.18%, the mass content of iron element is 40.3%, the mass content of molybdenum element is 39.36%, the mass content of chromium element is 12.89%, the mass content of nickel element is 2%, the mass content of manganese element is 0.55% .

[0049] The preparation method of above-mentioned ternary boride comprises,

[0050] Weigh each raw material according to the above-mentioned quality, use absolute ethanol as the ball milling medium, and ball mill for 16 hours to form a mixture, the particle size of the mixture is <10 μm; add 10wt% polyvinyl alcohol aqueous solution of the binder, mix evenly, and obtain a diameter of 3.2mm welding wire; Plasma cladding is used ...

Embodiment 3

[0052] This embodiment provides a kind of ternary boride, and its raw material comprises 205g iron boron powder 18.79%, 496g ferromolybdenum powder 45.46%, 140g chromium powder 12.83%, 12g ferrosilicon powder 1.1%, 25g nickel powder 2.23%, 43g manganese Iron powder 3.94%, 50g molybdenum powder and 120g iron powder; wherein, the mass content of boron element is 3.53%, the mass content of silicon element is 0.71%, the mass content of iron element is 45.36%, the mass content of molybdenum element is 33.3%, the mass content of chromium element The content is 12.58%, the mass content of nickel element is 2.28%, and the mass content of manganese element is 2.18%.

[0053] The preparation method of above-mentioned ternary boride comprises,

[0054] Weigh each raw material according to the above-mentioned quality, use absolute ethanol as the ball milling medium, and ball mill for 16 hours to form a mixture, the particle size of the mixture is <10 μm; add 10wt% polyvinyl alcohol aqueou...

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Abstract

The invention belongs to the technical field of welding material preparation, and in particular relates to a ternary boride and its preparation method and application. The raw materials of the ternary boride include, by mass fraction, 2-8% boron, 20-50% iron, 31-55% molybdenum, 1-15.5% chromium, 0.2-3% silicon element, 1‑5% nickel and 0.5‑2.5% manganese. Using boron, iron, molybdenum, chromium, silicon, nickel and manganese in a specific ratio as raw materials can ensure that the ternary boride surfacing layer generated in the surfacing process has good wear resistance, toughness and hardness; the present invention The provided raw materials can be used as welding materials in surfacing welding, and ternary borides are synthesized in situ by welding metallurgy. The ternary borides have good bonding strength with the metal matrix and are not easy to fall off. Adding silicon element in the ternary boride can remove the oxygen in the boride and form welding slag to be discharged.

Description

technical field [0001] The invention belongs to the technical field of welding material preparation, and in particular relates to a ternary boride and its preparation method and application. Background technique [0002] With the rapid advancement of science and technology, most machinery manufacturing equipment is developing towards large-scale and high-efficiency, and higher requirements are placed on product reliability and usability. Under high temperature and high pressure, heavy load, oxidation, corrosion and other complex working conditions, mechanical equipment cannot work normally due to wear and corrosion, which requires the surface of parts to have excellent wear resistance, corrosion resistance, High humidity resistance and oxidation resistance. Surfacing welding is a branch of welding technology, and it is one of the important ways to improve and extend the service life of mechanical equipment. Its most important feature is that a good metallurgical bond can be...

Claims

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Application Information

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IPC IPC(8): B23K35/30B23K35/40B23K9/04B23K10/02C22C30/00
CPCB23K35/3086B23K35/40B23K9/04B23K10/027C22C30/00C22C38/02C22C38/44C22C38/54C22C38/04
Inventor 殷常峰刘慧渊周晓玲
Owner 山东旭拓新材料科技有限公司
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