CN109676283A - A kind of diamond saw blade active solder - Google Patents
A kind of diamond saw blade active solder Download PDFInfo
- Publication number
- CN109676283A CN109676283A CN201811630760.5A CN201811630760A CN109676283A CN 109676283 A CN109676283 A CN 109676283A CN 201811630760 A CN201811630760 A CN 201811630760A CN 109676283 A CN109676283 A CN 109676283A
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- CN
- China
- Prior art keywords
- active solder
- rolling
- diamond
- saw blade
- solder
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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
- 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
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/302—Cu as the principal constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/40—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling foils which present special problems, e.g. because of thinness
-
- 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
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering, brazing
- B23K35/0233—Sheets, foils
Abstract
The present invention provides a kind of diamond saw blade active solder, compound addition aluminium tantnickel on the basis of copper and tin titanium active solder can be sintered or be brazed diamond composition under gas shielded, be conducive to simplify production technology, reduce production cost；Active solder also passes through rolling and is prepared as sheet, including following process will with a thickness of 0.35 ~ 0.65mm casting or hot rolling blank ROLLING OIL there are in the environment of, by roughing, in roll, finishing rolling step obtains the sheet solder with a thickness of 0.0075 ~ 0.0099mm；Gained brazing filler metal alloy is good to the wetability of diamond, and fusing point is low；The present invention is under the multiple action of the solution strengthening effect and active element titanium etc. of aluminium nickel element, diamond and matrix can be made to form firm metallurgical bonding when using the active solder alloy brazed diamond and matrix, active solder soldering graphite/No. 45 steel shearing strength of joint can reach 355MPa.
Description
Technical field
The invention belongs to technical field of soldering materials, and in particular to a kind of diamond saw blade active solder.
Background technique
The operating condition of diamond saw blade is more severe, high speed, vibration, high temperature the welding of diamond segment is proposed it is severe
The requirement at quarter, with the continuous improvement of saw blade cuts speed and the depth of cut, the requirement to diamond saw blade weld strength is also more next
It is higher.It is added and can occur mutually in solder with having the diamond for stablizing electron coordinate using when being brazed and manufacturing diamond tool
The element of effect is remarkably improved solder in the wetability of diamond surface, forms the metallurgical bonding between solder and diamond.Pricker
Weldering diamond active solder mainly has Ni based active solder, Ag based active solder and Cu based active solder.Ni based active solder
Liquidus curve fusion temperature is generally greater than 900 DEG C, in brazing process, and diamond is easy to appear thermal damage.Ag based active solder is applied
Weldering temperature is low, and soldered fitting is functional, but higher silver content increases brazing cost, limits making for Ag based active solder
Dosage.
Cu based active solder has preferable wetability to diamond, saves brazing cost, has preferable economy, because
And it is concerned.Common Cu based active solder has CuSnTi, CuSnTiNi, CuSnTiZr, and " In/Al/RE is living in copper and tin titanium
Property solder in behavioral study " mention in a text above-mentioned copper-based active solder in the case where guaranteeing solder intensity more than active pricker
The liquidus curve of material is brazed graphite using above-mentioned active solder and No. 45 steel shearing strength of joint reaches as high as at 850 DEG C or more
To 350MPa.And patent CN101913036B discloses a kind of CuSnTi active solder, affiliated active solder can be at 800 DEG C or less
Complete liquid phase is obtained, graphite is brazed using the active solder and No. 45 steel shearing strength of joint can reach 301.4MPa.
From the technical point of view, it is not very difficult for producing so thin sheet solder, but will on a large scale effectively
This kind of solder for beneficially producing high-quality is but not easy.Producer domestic at present when rolling double zero foil mostly be to be rolled by five passages
Process processed is exactly three passages slightly newborn process, rolls process, a time finishing rolling step in a time.The pressure of rolling process per pass
Rate rarely exceeds 55%.
Summary of the invention
To solve the above problems, the present invention provides a kind of diamond saw blade active solder, the brazing filler metal alloy fusing point of preparation
Low, active solder can also improve the wearability and holding power of diamond saw blade.
To achieve the goals above, the technical solution adopted by the present invention are as follows:
A kind of diamond saw blade active solder, it is characterised in that: active solder includes: 60 ~ 70%Cu by mass percentage, 13 ~
19%Sn, 6 ~ 10%Al, 4 ~ 9%Ti, 1 ~ 3%Si, 0.25 ~ 1.2%Mn and 0 ~ 0.1% microelement.
Further, the active solder includes: 61 ~ 69% Cu, 14 ~ 18% Sn, 6.5 ~ 9.5% by mass percentage
Al, 5 ~ 8.5% Ti, 1.5 ~ 3% Si and 0.1 ~ 1.0% Mn.
Further, the active solder include: by mass percentage 62 ~ 68% Cu, 115 ~ 17% Sn, 7 ~ 9% Al, 6 ~
8% Ti and 2 ~ 3% Si.
Further, the microelement includes La, Ce, Ga, at least one of Cr and Zr.
Further, the active solder also rolls as sheet.
Further, the active solder of sheet the preparation method comprises the following steps:
Step 1: active solder obtains the blank with a thickness of 0.35 ~ 0.65mm by casting or hot rolling；
Step 2: blank in step 1 ROLLING OIL there are in the environment of, by roughing, in roll, finishing rolling step obtains thickness
For the sheet active solder of 0.0075 ~ 0.0099mm.
Further, the rolling oil temperature of roughing be 35 ~ 45 DEG C, in roll with the rolling oil temperature of finish rolling be 40 ~ 50 DEG C.
Further, the step 2 passes through two passage roughing operations, and the first passage roughing operation is by 0.35 ~ 0.65mm's
Blank is rolled down to 0.145 ~ 0.165mm, and rolling mill speed is 750 ~ 950m/min, and draught pressure is 1800 ~ 2500KN, the second passage
The blank of 0.145 ~ 0.165mm is rolled down to 0.054 ~ 0.083mm by roughing operation, and rolling mill speed is 1150 ~ 1400m/min, is rolled
Pressing pressure is 1200 ~ 1650KN；In roll process the blank of 0.054 ~ 0.083mm be rolled down to 0.019 ~ 0.032mm, rolling mill speed
For 1150 ~ 1700m/min, draught pressure is 1600 ~ 2100KN；The blank of 0.019 ~ 0.032mm is rolled down to by finishing rolling step
0.0075 ~ 0.0099mm, rolling mill speed are 350 ~ 550m/min, and draught pressure is 1250 ~ 1500KN.
Further, tensile stress is 20 ~ 30N/mm after the first passes of sheet active solder roughing2, the second passage rolls
Tensile stress is 20 ~ 40N/mm after system2, in roll rear tensile stress be 35 ~ 45N/mm2, 45 ~ 55N/mm of tensile stress after finish rolling2。
Passage is distributed in the following manner in technical solution of the present invention:
The active solder rolling pass allocation plan of sheet are as follows:
The technological parameter of rolling are as follows:
The invention has the benefit that
1, a kind of diamond saw blade active solder of the invention mainly contains copper, tin, aluminium, titanium, in copper and tin titanium active solder base
Compound addition aluminium and silicon on plinth, gained brazing filler metal alloy fusing point is low, and when soldering makes diamond form strong metallurgical with matrix to combine, tie
It is high to close intensity, high to diamond holding power, welding temperature is low when soldering connection, and thermal damage is small to diamond, is easy to be brazed and is free of
The precious metals element such as silver can be sintered or be brazed diamond composition, simple process and low cost under gas shield；
2, the present invention has only just rolled out sheet pricker with four-pass compared with the existing technology due to having lacked a time rolling process
Material, and the product integrated yield produced reaches above, the average aggregate yield rate in significantly larger than current industry, ROLLING OIL
Consumption is reduced, that is, can about be reduced every month and be used more than ten tons of oil, has greatly saved the energy, operating cost significantly drops
It is low, improve productivity effect.Due to reducing the rolling process of a time, production process is shortened, the production time is reduced, is had
Effect improves production efficiency, and the process for reducing a time just reduces the discharge of the wastes such as sewage in process, effectively
Reduce disposal of pollutants, protects environment.
Detailed description of the invention
Fig. 1 is diamond/active solder scanning electron microscope (SEM) photograph.
Wherein, each label in figure are as follows: A, diamond；B, diamond/active solder interface；C, active solder.
Specific embodiment
In order to which those skilled in the art better understood when technical solution provided by the present invention, below with reference to specific
Embodiment income illustrates.
Active solder of the invention contains the component of following mass percent: Cu60 ~ 70%, Sn13 ~ 19%, Al6 ~ 10%,
Ti4 ~ 9%, Si1 ~ 3%, Ni0.01 ~ 2%, Mn0.25 ~ 1.2%, 0 ~ 0.1% microelement, the microelement are derived from La, Ce, Ga,
At least one of Cr, Zr.
The preparation method of active sheet solder of the invention comprises the following steps:
A kind of sheet solder heavy reduction rate rolling technique is will be with a thickness of the brazing filler metal alloy cast-rolling stock of 0.35 ~ 0.65mm by two
Passage roughing operation, wherein the proportion of ROLLING OIL addition is roughing ester 2.5 ~ 4.0%, alcohol 2.0 ~ 4.5%.In the first passage roughing work
In sequence, control rolling mill speed is 750 ~ 950m/min, and the oil temperature of rolling is 35 ~ 45 DEG C, and draught pressure is 1800 ~ 2500KN, is rolled
Tensile stress is 15 ~ 25N/mm before making2, tensile stress is 20 ~ 30N/mm after rolling2, after the first passage roughing engrave foil with a thickness of
0.145 ~ 0.165mm, after the second passage roughing engrave foil with a thickness of 0.054 ~ 0.083mm, in the second passage roughing operation
Middle rolling mill speed is 1150 ~ 1400m/min, and the oil temperature of rolling is 35 ~ 45 DEG C, and draught pressure is 1200 ~ 1650KN, rolls toe-out
Stress is 20 ~ 30N/mm2, tensile stress is 25 ~ 35N/mm after rolling2.Sheet solder after two passage roughing is using primary
Outgoing gauge can reach 0.019 ~ 0.032mm in individual, rolled in rolling mill speed be 1150 ~ 1700m/min, roll oil temperature
Be 40 ~ 50 DEG C, the proportion of rolling oil additives be in roll vinegar 2.5 ~ 4.0%, 2.0 ~ 4.5% percent by volume of alcohol, in the rolling rolled
Pressure is 1600 ~ 2100KN, and tensile stress is 25 ~ 35N/mm before rolling2, tensile stress is 35 ~ 50N/mm after rolling2.Then passing through
Close volume, finish rolling pairing rolls the sheet solder finished product that can be obtained with a thickness of 0.0075 ~ 0.0099mm.In finish rolling, milling train
Speed be 350 ~ 550m/min, rolling oil temperature be 40 ~ 50 DEG C, draught pressure be 1250 ~ 1500KN, roll before tensile stress be 35 ~
50N/mm2, tensile stress is 45 ~ 55N/mm after rolling2, rolling oil additives proportion is finish rolling ester 1.5 ~ 3.5%, 2.0 ~ 1.5% body of alcohol
Product percentage.
Certainly two individual sheet active solders can also be subjected to double uncoiling rollings in finishing mill after rolling in.
Embodiment 1
The active solder alloy of the present embodiment, consists of the following mass percentage components: Cu64%, Sn16%, Al8%, Ti8%,
Si2%, Ni1.2%, Mn0.8%.
0.0075mm sheet solder rolling pass allocation plan are as follows:
4 rolling technological parameter of table are as follows:
The active solder alloy of the present embodiment can be obtained complete liquid phase at 830 DEG C or less；In the table of active solder of the invention
In sign, since soldering diamond particles are difficult to quantify the soldering bond strength of diamond and matrix.And the member of graphite and diamond
Element is all carbon, thus with matrix pricker soldering graphite be shearing sample, quantify carbon and matrix bond strength, and then prove matrix with
The bond strength of diamond particles.Specifically using active solder manufactured in the present embodiment as raw material, active solder soldering graphite is prepared
Shear sample, and the shear strength of active solder the soldering graphite and No. 45 steel of the present embodiment is measured, which is brazed stone
Ink/No. 45 steel shearing strength of joint are up to 360.5MPa.
Fig. 1 is diamond/active solder scanning electron microscopic picture of the present embodiment, and a-quadrant is diamond regions, B area
For diamond/active solder interface area, the region C is active solder area；It can be seen from the figure that diamond is smooth complete, do not have
Generate apparent thermal damage's phenomenon.And the interface cohesion between diamond and active solder is good.
Embodiment 2
The active solder alloy of the present embodiment, consists of the following mass percentage components: Cu65%, Sn15%, Al9%,
Ti7.5%, Si2.5%, Mn1%.
0.0080mm sheet solder rolling pass allocation plan are as follows:
Rolling technological parameter:
The active solder alloy of the present embodiment can be obtained complete liquid phase at 815 DEG C or less；Use the active solder of the present embodiment
When induction brazing graphite and No. 45 steel, active solder soldering graphite/No. 45 steel shearing strength of joint can reach 357.5MPa.
Embodiment 3
The active solder alloy of the present embodiment, consists of the following mass percentage components: Cu67%, Sn12%, Al11%, Ti8%,
Si2%。
Preparation process:
0.0095mm sheet solder rolling pass allocation plan are as follows:
Rolling technological parameter are as follows:
The active solder alloy of the present embodiment can be obtained complete liquid phase at 810 DEG C or less.；Use the active solder of the present embodiment
When induction brazing graphite and No. 45 steel, active solder soldering graphite/No. 45 steel shearing strength of joint can reach 355.0MPa.
Embodiment 4
The active solder alloy of the present embodiment, consists of the following mass percentage components: Cu64%, Sn16%, Al8%, Ti8%,
Si2%, Ni1.2%, Mn0.75%, Cr0.05%.
Preparation process:
0.01mm sheet solder rolling pass allocation plan are as follows:
Rolling technological parameter are as follows:
The active solder alloy of the present embodiment can be obtained complete liquid phase at 825 DEG C or less；Use the active solder of the present embodiment
When induction brazing graphite and No. 45 steel, active solder soldering graphite/No. 45 steel shearing strength of joint can reach 365.5MPa.
Embodiment 5
The active solder alloy of the present embodiment, consists of the following mass percentage components: Cu64%, Sn16%, Al8%, Ti8%,
Si2%, Ni1.2%, Mn0.73%, Zr0.07%.
Preparation process:
0.0075mm sheet solder rolling pass allocation plan are as follows:
Rolling technological parameter are as follows:
The active solder alloy of the present embodiment can be obtained complete liquid phase at 825 DEG C or less；Use the active solder of the present embodiment
When induction brazing graphite and No. 45 steel, active solder soldering graphite/No. 45 steel shearing strength of joint can reach 367.0MPa.
Embodiment 6
The active solder alloy of the present embodiment, consists of the following mass percentage components: Cu67%, Sn12%, Al11%,
Ti7.9%, Si2%, Zr0.04%, Cr0.06%.
Preparation process:
0.0080mm sheet solder rolling pass allocation plan are as follows:
Rolling technological parameter are as follows:
The active solder alloy of the present embodiment can be obtained complete liquid phase at 820 DEG C or less；Use the active solder of the present embodiment
When induction brazing graphite and No. 45 steel, active solder soldering graphite/No. 45 steel shearing strength of joint can reach 369.5MPa.
Embodiment 7
The active solder alloy of the present embodiment, consists of the following mass percentage components: Cu62%, Sn17%, Al9%, Ti8%,
Si2%, Ni1.1%, Mn0.8%, La0.05%, Ce0.05%.
Preparation process:
0.0095mm sheet solder rolling pass allocation plan are as follows:
Rolling technological parameter are as follows:
The active solder alloy of the present embodiment can be obtained complete liquid phase at 815 DEG C or less；Use the active solder of the present embodiment
When induction brazing graphite and No. 45 steel, active solder soldering graphite/No. 45 steel shearing strength of joint can reach 365.0MPa.
Embodiment 8
The active solder alloy of the present embodiment, consists of the following mass percentage components: Cu66.5%, Sn12.1%, Al11%,
Ti8.3%, Si2%, La0.03%, Ce0.04%, Ga0.03%.
Preparation process:
0.0099mm sheet solder rolling pass allocation plan are as follows:
Rolling technological parameter are as follows:
The active solder alloy of the present embodiment can be obtained complete liquid phase at 810 DEG C or less；Use the active solder of the present embodiment
When induction brazing graphite and No. 45 steel, active solder soldering graphite/No. 45 steel shearing strength of joint can reach 370.0MPa.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
The present invention will not be limited to the embodiments shown herein, and is to fit to special with principles disclosed herein and novelty
The consistent widest scope of point.
Claims (9)
1. a kind of diamond saw blade active solder, it is characterised in that: active solder includes: 60 ~ 70%Cu by mass percentage,
13 ~ 19%Sn, 6 ~ 10%Al, 4 ~ 9%Ti, 1 ~ 3%Si, 0.25 ~ 1.2%Mn and 0 ~ 0.1% microelement.
2. a kind of diamond saw blade active solder according to claim 1, it is characterised in that: the active solder presses matter
Measuring percentage includes: 61 ~ 69% Cu, 14 ~ 18% Sn, 6.5 ~ 9.5% Al, 5 ~ 8.5% Ti, 1.5 ~ 3% Si and 0.1 ~ 1.0%
Mn。
3. a kind of diamond saw blade active solder according to claim 1, it is characterised in that: the active solder presses matter
Measuring percentage includes: 62 ~ 68% Cu, 15 ~ 17% Sn, 7 ~ 9% Al, 6 ~ 8% Ti, 2 ~ 3% Si.
4. a kind of diamond saw blade active solder according to claim 1, it is characterised in that: the microelement includes
At least one of La, Ce, Ga, Cr and Zr.
5. a kind of diamond saw blade active solder according to claim 1, it is characterised in that: the active solder also rolls
It is made as sheet.
6. a kind of diamond saw blade active solder according to claim 5, it is characterised in that: the active solder of sheet
The preparation method comprises the following steps:
Step 1: active solder obtains the blank with a thickness of 0.35 ~ 0.65mm by casting or hot rolling；
Step 2: blank in step 1 ROLLING OIL there are in the environment of, by roughing, in roll, finishing rolling step obtains thickness
For the sheet active solder of 0.0075 ~ 0.0099mm.
7. a kind of diamond saw blade active solder according to claim 6, it is characterised in that: the rolling oil temperature of roughing is
35 ~ 45 DEG C, in roll with the rolling oil temperature of finish rolling be 40 ~ 50 DEG C.
8. a kind of diamond saw blade active solder according to claim 6, it is characterised in that: the step 2 passes through two
The blank of 0.35 ~ 0.65mm is rolled down to 0.145 ~ 0.165mm, rolling mill speed by passage roughing operation, the first passage roughing operation
For 750 ~ 950m/min, draught pressure is 1800 ~ 2500KN, and the second passage roughing operation rolls the blank of 0.145 ~ 0.165mm
It makes to 0.054 ~ 0.083mm, rolling mill speed is 1150 ~ 1400m/min, and draught pressure is 1200 ~ 1650KN；In roll process will
The blank of 0.054 ~ 0.083mm is rolled down to 0.019 ~ 0.032mm, and rolling mill speed is 1150 ~ 1700m/min, and draught pressure is
1600~2100KN；The blank of 0.019 ~ 0.032mm is rolled down to 0.0075 ~ 0.0099mm by finishing rolling step, and rolling mill speed is 350 ~
550m/min, draught pressure are 1250 ~ 1500KN.
9. a kind of diamond saw blade active solder according to claim 8, it is characterised in that: sheet active solder roughing
Tensile stress is 20 ~ 30N/mm after first passes2, tensile stress is 20 ~ 40N/mm after the second passes2, in roll rear tensile stress
For 35 ~ 45N/mm2, 45 ~ 55N/mm of tensile stress after finish rolling2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811630760.5A CN109676283B (en) | 2018-12-29 | 2018-12-29 | Active brazing filler metal for diamond saw blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811630760.5A CN109676283B (en) | 2018-12-29 | 2018-12-29 | Active brazing filler metal for diamond saw blade |
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| Publication Number | Publication Date |
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| CN109676283A true CN109676283A (en) | 2019-04-26 |
| CN109676283B CN109676283B (en) | 2021-09-28 |
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ID=66191081
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811630760.5A Active CN109676283B (en) | 2018-12-29 | 2018-12-29 | Active brazing filler metal for diamond saw blade |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303269A (en) * | 2019-07-02 | 2019-10-08 | 华侨大学 | For the Sn-Cu-Ti solder of low temperature brazing diamond and application |
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| CN106238962A (en) * | 2016-08-30 | 2016-12-21 | 郑州机械研究所 | A kind of active solder alloy |
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| CN109676283B (en) | 2021-09-28 |
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Effective date of registration: 20221010 Address after: 8th Floor, Damuwan Comprehensive Service Center, 1111 Tian'an Road, Dandong Street, Xiangshan County, Ningbo, Zhejiang 315700 Patentee after: Ningbo Zhongji Songlan Tool Technology Co.,Ltd. Address before: 450000 149 science Avenue, Zhengzhou high tech Industrial Development Zone, Henan Patentee before: ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINEERING Co.,Ltd. |