CN107150155A - A kind of method for preparing c-BN wear-resistant coatings on TC4 surfaces - Google Patents
A kind of method for preparing c-BN wear-resistant coatings on TC4 surfaces Download PDFInfo
- Publication number
- CN107150155A CN107150155A CN201610121457.7A CN201610121457A CN107150155A CN 107150155 A CN107150155 A CN 107150155A CN 201610121457 A CN201610121457 A CN 201610121457A CN 107150155 A CN107150155 A CN 107150155A
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- CN
- China
- Prior art keywords
- wear
- active solder
- prepared
- vacuum brazing
- particles
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/008—Soldering within a furnace
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
- B23K1/206—Cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/26—Selection of soldering or welding materials proper with the principal constituent melting at less than 400 degrees C
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/14—Titanium or alloys thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ceramic Products (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a kind of method that utilization Vacuum Soldering Technology prepares c BN wear-resistant coatings on TC4 surfaces.Using AgCuInTi active solder powder, specific composition is (mass fraction) 27.25%Cu, 12.5%In, 5%Ti, and surplus is Ag, and solder is coated on TC4 surfaces after being mixed with c BN particles, is placed in vacuum brazing furnace brazing and prepares wear-resistant coating.C BN using active solder vacuum brazing are prepared wear-resistant coating by the present invention in TC4 surfaces, relatively low with the requirement to equipment, it is easy to operate, and can prepare relatively thick coating, and anchoring strength of coating is high, and production cost is low, the advantages of efficiency high.
Description
Technical field
The invention belongs to technical field of metal material surface treatment, invention is related to one kind and utilizes vacuum
The method that soldering tech prepares c-BN wear-resistant coatings on TC4 surfaces.
Background technology
TC4 alloys have the outstanding advantages such as specific strength height, good corrosion resistance, national defense industry,
Civilian industry and aviation field are widely used, but TC4 as kinematic pair parts when, it is wear-resisting
Property difference turn into influence one of its performance and the most important factor in life-span.It is main at present to utilize
TC4 surfaces coat wearability good carbide, nitride and boride to improve its wearability
Can, also someone prepares wearing layer using in TC4 surface induction soldering WC.With technology
Development, scientific research personnel explore using method for brazing is prepared on TC4 surfaces cubic boron nitride (letter
Claim c-BN) wear-resistant coating.C-BN is artificial synthesized hardness after diamond appearance
The superhard material of diamond is only second to, it has good physics, chemical property, modulus of elasticity
Close with diamond, heat endurance is higher than diamond, and chemical inertness is very big and with very high
Wearability, is widely used in and prepares emery wheel and cutter, it can also be used to prepare various easy-abrasion parts
Wear-resistant coating.Current c-BN products are made using plating or sintering process mostly, bond strength
Low, c-BN particles easily come off from binder course in use.With the development of welding technique, adopt
The c-BN products prepared with soldering tech, c-BN particles have higher bond strength with matrix,
Its service condition can be met.Therefore, c-BN is prepared on TC4 surfaces using vacuum brazing process
Wear-resistant coating, can improve the bond strength of coating and TC4 surfaces, while having preparation work
Skill is simple, and production cost is low, the advantages of anti-wear performance is good.
The content of the invention
The present invention for existing improvements TC4 alloy surface anti-wear performance technologies deficiency there is provided
A kind of method that utilization Vacuum Soldering Technology prepares c-BN wear-resistant coatings on TC4 surfaces.
To realize above-mentioned target, concrete technical scheme of the invention is as follows：
1) degreasing processing is carried out to TC4, active solder and c-BN particles；
2) after active solder is uniformly mixed by a certain percentage with c-BN, addition utilizes polyethylene
Organic solvent prepared by alcohol, is prepared into the compound of paste；
3) the paste compound of preparation is evenly applied to TC4 alloy surfaces, is placed in baking oven and dries
It is dry；
4) sample of drying is positioned in vacuum brazing furnace and carries out soldering, prepare c-BN wear-resisting
Coating.
Heretofore described active solder is AgCuInTi alloy powders, and specific composition is (matter
Measure fraction) 27.25%Cu, 12.5%In, 5%Ti, surplus is Ag, and granularity is 60~300
Mesh.
Step 2) described in mixture in c-BN particles volume fraction be 40~50%.
Step 3) described in coating processes be using hairbrush repeatedly in TC4 external coatings step 2)
The paste compound of middle preparation, it is uniform and smooth until surface untill.
Step 4) described in vacuum brazing technique be warming up to 730 with 5 DEG C/S speed~
After 770 DEG C, it is incubated as 5min, room temperature is cooled to 10 DEG C/S speed.
The present invention has advantages below compared with prior art：
The present invention prepares c-BN wear-resistant coatings using Vacuum Soldering Technology on TC4 surfaces, pair sets
Standby requirement is relatively low, it is easy to operate, and can prepare relatively thick coating, and anchoring strength of coating is high, production
Cost is low, efficiency high.
Technical scheme is described in further detail below by embodiment.
Embodiment
Embodiment 1
The specific step processed of the present embodiment is as follows：
(1) degreasing processing is carried out to TC4, active solder and c-BN particles；Active solder is
AgCuInTi alloy powders, specific composition is (mass fraction) 27.25%Cu, 12.5%In,
5%Ti, surplus is Ag, and granularity is 60 mesh.
(2) active solder is mixed with c-BN, wherein c-BN volume contents are 40%, are added
The organic solvent prepared using polyvinyl alcohol, is prepared into the compound of paste；
(3) the paste compound of preparation is evenly applied to TC4 alloy surfaces, be placed in baking oven
Drying；
(4) sample of drying is positioned in vacuum brazing furnace and carries out soldering, technique is with 5 DEG C/S
Speed be warming up to after 730 DEG C, be incubated as 5min, room temperature be cooled to 10 DEG C/S speed,
C-BN wear-resistant coatings are made.
Embodiment 2
The specific step processed of the present embodiment is as follows：
(1) degreasing processing is carried out to TC4, active solder and c-BN particles；Active solder is
AgCuInTi alloy powders, specific composition is (mass fraction) 27.25%Cu, 12.5%In,
5%Ti, surplus is Ag, and granularity is 150 mesh.
(2) active solder is mixed with c-BN, wherein c-BN volume contents are 50%, are added
The organic solvent prepared using polyvinyl alcohol, is prepared into the compound of paste；
(3) the paste compound of preparation is evenly applied to TC4 alloy surfaces, be placed in baking oven
Drying；
(4) sample of drying is positioned in vacuum brazing furnace and carries out soldering, technique is with 5 DEG C/S
Speed be warming up to after 750 DEG C, be incubated as 15min, room temperature be cooled to 10 DEG C/S speed,
C-BN wear-resistant coatings are made.
Embodiment 3
The specific step processed of the present embodiment is as follows：
(1) degreasing processing is carried out to TC4, active solder and c-BN particles；Active solder is
AgCuInTi alloy powders, specific composition is (mass fraction) 27.25%Cu, 12.5%In,
5%Ti, surplus is Ag, and granularity is 300 mesh.
(2) active solder is mixed with c-BN, wherein c-BN volume contents are 50%, are added
The organic solvent prepared using polyvinyl alcohol, is prepared into the compound of paste；
(3) the paste compound of preparation is evenly applied to TC4 alloy surfaces, be placed in baking oven
Drying；
(4) sample of drying is positioned in vacuum brazing furnace and carries out soldering, technique is with 5 DEG C/S
Speed be warming up to after 770 DEG C, be incubated as 30min, room temperature be cooled to 10 DEG C/S speed,
C-BN wear-resistant coatings are made.
Each embodiment of summary, postwelding TC4 samples are processed as to carry out for φ 20mm × 10mm
Wear resistance test.Experiment is carried out on Automatic Grinding Prototype, and sand paper granularity is 200 mesh, rotating speed
For 1400r/min, grinding and polishing pressure is 500N, and the grinding and polishing time is 30min.Measured after experiment
Quite, in 0.02g or so, anti-wear performance is preferable for each embodiment wear extent.
It is described above, only it is presently preferred embodiments of the present invention, not the present invention is imposed any restrictions.It is all
It is any simple modification substantially made according to inventive technique to above example, changes and wait
Effect change, is still within the scope of the technical scheme of the invention.
Claims (4)
1. couple TC4, active solder and c-BN particles carry out degreasing processing.
2. after active solder is uniformly mixed by a certain percentage with c-BN, the organic solvent prepared using polyvinyl alcohol is added, the compound of paste is prepared into.
3. the paste compound of preparation is evenly applied into TC4 alloy surfaces, it is placed in baking oven and dries.
4. the sample of drying is positioned in vacuum brazing furnace and carries out soldering, c-BN wear-resistant coatings are prepared.
Active solder described in this right is AgCuInTi alloy powders, and specific composition is (mass fraction) 27.25%Cu, 12.5%In, 5%Ti, and surplus is Ag, and granularity is 60~300 mesh.
The volume fraction of c-BN particles is 40~50% in mixture described in right 2.
Coating processes described in right 3 be using hairbrush repeatedly in TC4 external coatings step 2) in prepare paste compound, it is uniform and smooth until surface untill.
The technique of vacuum brazing described in right 4 is incubated as 5~30min, room temperature is cooled to 10 DEG C/S speed to be warming up to 5 DEG C/S speed after 730~770 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610121457.7A CN107150155B (en) | 2016-03-03 | 2016-03-03 | Method for preparing c-BN wear-resistant coating on surface of TC4 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610121457.7A CN107150155B (en) | 2016-03-03 | 2016-03-03 | Method for preparing c-BN wear-resistant coating on surface of TC4 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107150155A true CN107150155A (en) | 2017-09-12 |
| CN107150155B CN107150155B (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610121457.7A Active CN107150155B (en) | 2016-03-03 | 2016-03-03 | Method for preparing c-BN wear-resistant coating on surface of TC4 |
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| CN (1) | CN107150155B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108655524A (en) * | 2018-03-23 | 2018-10-16 | 华侨大学 | A kind of method of low temperature brazing cubic boron nitride abrasive grain |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1457375A (en) * | 2001-02-28 | 2003-11-19 | 三菱重工业株式会社 | Wear-resistant coating and method fr applying it |
| CN1884615A (en) * | 2006-07-03 | 2006-12-27 | 吉林大学 | Process for the preparation of cubic boron nitride material |
| CN101148036A (en) * | 2007-11-07 | 2008-03-26 | 南京航空航天大学 | Method for manufacturing high-performance single layer soldering cubic boron nitride grinding wheel by semi-solid connecting |
-
2016
- 2016-03-03 CN CN201610121457.7A patent/CN107150155B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1457375A (en) * | 2001-02-28 | 2003-11-19 | 三菱重工业株式会社 | Wear-resistant coating and method fr applying it |
| CN1884615A (en) * | 2006-07-03 | 2006-12-27 | 吉林大学 | Process for the preparation of cubic boron nitride material |
| CN101148036A (en) * | 2007-11-07 | 2008-03-26 | 南京航空航天大学 | Method for manufacturing high-performance single layer soldering cubic boron nitride grinding wheel by semi-solid connecting |
Non-Patent Citations (4)
| Title |
|---|
| 卢广林等: "Ag 基钎料钎焊立方氮化硼的焊接性与微观结构", 《吉林大学学报（工学版）》 * |
| 吴欣等: "TC4 钛合金表面大面积感应钎焊WC耐磨层的研究", 《失效分析与预防》 * |
| 王乾等: "立方氮化硼钎焊制备磨料砂轮的工艺及性能研究", 《硬质合金》 * |
| 白永明等: "单层钎焊CBN成型砂轮磨削钛合金的温度研究", 《现代制造工程》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108655524A (en) * | 2018-03-23 | 2018-10-16 | 华侨大学 | A kind of method of low temperature brazing cubic boron nitride abrasive grain |
| CN108655524B (en) * | 2018-03-23 | 2020-12-01 | 华侨大学 | Method for low-temperature brazing of cubic boron nitride abrasive particles |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107150155B (en) | 2020-04-21 |
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