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A kind of inorganic bonding system for water-based environment-friendly brazing flux and its application

An inorganic bonding and brazing flux technology, which is applied in metal processing equipment, welding equipment, manufacturing tools, etc., can solve problems such as easy to produce open flame bonding force, easy volatilization of organic matter, poisonous human body, etc., and achieve strong bonding force and environmental protection Good performance, good binding effect

Active Publication Date: 2022-03-15
ZHEJIANG XINRUI WELDING MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Aiming at the deficiencies in this field and the problems that the existing organic bonding system for flux uses organic substances that are volatile, poisonous to the human body, easy to generate open flames, and weak in bonding force, the present invention provides a water-based environment-friendly flux for flux. Inorganic bonding system, with strong bonding force, and does not contain any organic reagents, no open flames during welding

Method used

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  • A kind of inorganic bonding system for water-based environment-friendly brazing flux and its application
  • A kind of inorganic bonding system for water-based environment-friendly brazing flux and its application
  • A kind of inorganic bonding system for water-based environment-friendly brazing flux and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] With the total mass of 100%, the inorganic bonding system with aqueous environmentally friendly flux includes the following components:

[0038]

[0039] Components A include CaO and MgO, the mass ratio of CaO and MgO is 1: 1.

[0040] The above components are uniformly mixed with the inorganic bonding system of the aqueous environmental flux.

[0041] The inorganic bonding system of the FB101 flux (JB / T 6045-2017) and the water-based greening agent is mixed with a mass ratio of 1: 2.

[0042] The above solder was sprayed to the surface of the solder surface and dried at 120 to 140 ° C. The thickened skin thickness of the obtained pharmaceutical solder was 0.25 mm, and the mass percentage of the powder of the solder was 8% to 12%.

Embodiment 2

[0051] With the total mass of 100%, the inorganic bonding system with aqueous environmentally friendly flux includes the following components:

[0052]

[0053] Components A include CaO and MgO, the mass ratio of CaO and MgO is 1: 1.

[0054] The above components are uniformly mixed with the inorganic bonding system of the aqueous environmental flux.

[0055] The inorganic bonding system of the FB101 flux (JB / T 6045-2017) and the water-based greening agent is mixed with a mass ratio of 1: 2.

[0056] The above solder was sprayed to the surface of the solder surface and dried at 120 to 140 ° C. The thickened skin thickness of the obtained pharmaceutical solder was 0.35 mm, and the mass percentage of the powder of the solder was 12% to 15%.

Embodiment 3

[0066] With the total mass of 100%, the inorganic bonding system with aqueous environmentally friendly flux includes the following components:

[0067]

[0068] Component A includes CaO and MgO, the mass ratio of the CaO and MgO is 1: 2.

[0069] The above components are uniformly mixed with the inorganic bonding system of the aqueous environmental flux.

[0070] The inorganic bonding system of the FB101 flux (JB / T 6045-2017) and the water-based greening agent is mixed with a mass ratio of 1: 2.

[0071] The above solder was sprayed to the surface of the solder surface and dried at 120 to 140 ° C. The thickened skin thickness of the obtained pharmaceutical solder was 0.25 mm, and the mass percentage of the powder of the solder was 8% to 12%.

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Abstract

The invention discloses an inorganic bonding system for water-based environment-friendly brazing flux, which comprises the following components in terms of mass percentage: Na 2 O 15%~20%, SiO 2 48%~65%, component A 0.1%~1%, Fe 2 o 3 0-0.1%, moisture 12%-36%; the component A includes CaO and MgO, and the mass ratio of CaO and MgO is 1:0.5-2. The invention also discloses the application of the inorganic bonding system for the water-based environment-friendly brazing flux in the preparation of coated brazing filler metal. The invention also discloses a coating composition for brazing material, which includes brazing flux and the inorganic bonding system for the water-based environment-friendly brazing flux. The invention also discloses a sheathed brazing material, which comprises a brazing material as an inner core and a sheath covering the brazing material, spraying the brazing material coating composition onto the surface of the brazing material and drying That is, the covered brazing filler metal is obtained.

Description

Technical field [0001] The present invention relates to the technical field of welding materials, and in particular, an inorganic bonding system for aqueous environmentally friendly flux. Background technique [0002] The pharmaceutical brazing film includes a solder as an inner core and a pharmaceutical skin coated on a solder surface. The flip and binder system is usually contained in the pharmacies. [0003] The disclosure is disclosed as a patent specification of CN 106271226 A. A bonding system for solder, a coating composition and a pharmaceutical brazing material for a brazing material are disclosed. The bonding system of the flux comprises a main agent and a curing agent; the main agent consists of 1 part of the component: 18 to 23 parts of the epoxy resin, 15 ~ 20 parts of polysulfide, dibutyl phthalate 7 ~ 14 copies, 3 to 8 diluents, the diluent is acetone; the curing agent consists of 70% to 80% of divinite triamine, 20% to 30% phthalic anhydride. The bonding system of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K35/365B23K35/36
CPCB23K35/365B23K35/3601
Inventor 钱似舰娄银斌孙·科·乌·格·赫尔曼金海斌竺恒
Owner ZHEJIANG XINRUI WELDING MATERIAL
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