CN104772542A - WC particle in-situ reinforced hard alloy and steel ultrasonic soldering method - Google Patents
WC particle in-situ reinforced hard alloy and steel ultrasonic soldering method Download PDFInfo
- Publication number
- CN104772542A CN104772542A CN201510174813.7A CN201510174813A CN104772542A CN 104772542 A CN104772542 A CN 104772542A CN 201510174813 A CN201510174813 A CN 201510174813A CN 104772542 A CN104772542 A CN 104772542A
- Authority
- CN
- China
- Prior art keywords
- steel
- ultrasonic
- carbide alloy
- soldering
- particle
- Prior art date
- 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.)
- Granted
Links
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
- B23K1/06—Soldering, e.g. brazing, or unsoldering making use of vibrations, e.g. supersonic vibrations
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/18—Dissimilar materials
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Ceramic Products (AREA)
Abstract
The utility model discloses a WC particle in-situ reinforced hard alloy and steel ultrasonic soldering method, which is used for the high-quality soldering of a sheet hard alloy and steel. The method comprises the following steps: a, polishing a surface to be connected before soldering, and cleaning the polished surface with acetone; b, placing an Ag-based solder foil piece between the hard alloy and the steel before soldering; c, applying ultrasonic vibration to the hard alloy to be soldered and the steel to be soldered; d, implementing a soldering process by adopting a common heat source manner common in furnace soldering or high-frequency induction heating soldering and the like, wherein soldering temperature is 730 to 850 DEG C; e, after ultrasonic vibration, WC particle reinforced soldering seams are obtained by naturally cooling. According to the method, Co substrate adhesion-free WC particles are migrated into the soldering seams to form WC particle reinforced soldering seams by virtue of disturbance action of ultrasonic waves after a Co substrate in the hard alloy is dissolved by a solder, so that the mechanical performance of a joint is greatly improved; oxide films on the surfaces of the hard alloy and the steel are removed by virtue of action of ultrasonic cavitation, and soldering can be implemented in the atmosphere without a soldering flux, so that the process is simple, and the method is environment-friendly, high in welding efficiency and suitable for engineering application.
Description
Technical field
The present invention relates to the soldering processes of a kind of carbide alloy and steel, be specifically related to a kind of carbide alloy of WC particle In-sltu reinforcement and the ultrasonic brazing method of steel.
Background technology
In recent years, along with the develop rapidly of China's communications and transportation industry, make large-scale application of making engineering machinery firm by ramming increasingly extensive.And one of topmost part of tools production made firm by ramming by carbide alloy.The sintered-carbide tool integral level of China and external gap are comparatively large, and wherein the solder technology of sintered-carbide tool has become the key technology limiting its development.
The main problem of sintered-carbide tool welding has following, and one is that the wetability of solder to the WC ceramic particle in carbide alloy is poor, causes interface bonding strength low.Two be sintered-carbide tool welding time many employing Ag base solders weld, brazed seam hardness is little, excessive with mother metal performance difference.In current existing patent, such as patent (application number CN 101972904A) discloses a kind of active high-temp solder and carries out soldering to carbide alloy.Patent (application number 200810045993.9) discloses a kind of soldering tech that utilizes and realizes the method for hard alloy cutter connection and the brazing flux of employing.But several distinct issues are still had for the large-scale application of making the fields such as apparatus firm by ramming of carbide alloy:
1. the composition of the conventional multipair solder of method carries out improving thus improves the wetability of solder to carbide alloy, but solder preparation process is complicated, preparation technology and equipment requirement higher, the production cycle is long, does not possess versatility.
2. current method cannot solve the too low problem of the brazed seam hardness of carbide alloy and steel.Simultaneously for the application of bearing heavy shock loads, current strength of joint and structure can not meet the long-life requirement of high-quality far away.
3. current method for welding adopts the method for brazing flux soldering to realize the welding of sintered-carbide tool mostly, and during brazing flux reaction, release toxic gas is unfavorable for environmental protection, and residual brazing flux will reduce mechanical property and the corrosive nature of joint.
Summary of the invention
The present invention makes the problems such as lower, the shock-resistant load-carrying ability of tool weld strength of joint is poor, wetability is poor, the preparation of special solder is complicated, soldering processes are complicated firm by ramming to solve carbide alloy, provides a kind of new ultrasonic brazing method of making the WC particle In-sltu reinforcement of tool weld for carbide alloy firm by ramming.
The present invention solves its technical problem, and the technical scheme adopted is:
The carbide alloy of WC particle In-sltu reinforcement and the ultrasonic brazing method of steel, be connected with the high strength of steel for carbide alloy, its brazing process carries out according to following steps: polish with to surface to be connected before a, soldering, and cleans the surface after polishing with acetone; Before b, soldering, Ag base solder paillon foil is placed between carbide alloy and steel; C, apply ultrasonic vibration, wherein ultrasonic frequency 18 ~ 25Hz to carbide alloy to be welded and steel, amplitude 4 ~ 20 μm, ultrasonic head is positioned at carbide surface or steel surface; Apply ultrasonic time 0.1s-10min, mobile ultrasonic head makes the solder of whole joint face all realize joint filling; D, brazing process adopt heat source way that can be common in stove or in the soldering such as high-frequency induction heating, and brazing temperature is 730 ~ 850 DEG C; After e, ultrasonic vibration terminate, test specimen cools naturally, obtains the welding finished product having the WC ceramic particle of brazed seam humidification in brazing seam structure.
Adopt the inventive method, the outstanding advantages had is:
(1) the inventive method utilizes the HTHP effect produced during ultrasonic cavitation effect, Topically active region is formed on mother metal surface, thus strengthen general commercial solder to the wetability of carbide alloy, without the need to preparing special active solder especially, the good combination at interface can be realized.
(2) the present invention utilizes hyperacoustic perturbation action, after the Co matrix that solder dissolves in carbide alloy, makes the WC particle without Co bond matrix migrate in brazed seam, forms the brazed seam that WC particle strengthens, thus increase substantially the mechanical property of joint.
(3) ultrasonic cavitation effect is utilized to remove the oxide-film on carbide alloy and steel surface in the present invention; without the need to adopting brazing flux or protective atmosphere; the high-quality soldering of carbide alloy and steel can be realized in an atmosphere; the room temperature shearing strength of joint can reach more than 390MPa; and soldering processes are simple, cost is low, economical environment-protective; production efficiency is high, is suitable for industrial production application.
Accompanying drawing explanation
Fig. 1 is ultrasonic brazing process and the device schematic diagram of WC particle In-sltu reinforcement carbide alloy and steel.In figure: 1-hard metal tip, 2-steel disc, 3-solder, 4-ultrasonic head, 5-fixture, 6-heater.
Fig. 2 is the microstructure scanning electron microscopic picture of the ultrasonic brazing joint of WC particle In-sltu reinforcement carbide alloy and steel.
Fig. 3 is the scanning electron microscopic picture of the interfacial structure of the ultrasonic brazing joint of WC particle In-sltu reinforcement carbide alloy and steel, and wherein Fig. 3 a is carbide alloy side, and figure b is steel part side.
Detailed description of the invention
As shown in Figure 1, embodiments of the present invention are carried out according to following steps: polish respectively with to the surface of carbide alloy 1 to be connected and steel 2 before a, soldering, and clean the surface after polishing with acetone; Before b, soldering, Ag base solder paillon foil 3 is placed between carbide alloy 1 and steel 2; C, ultrasonic head 4 is placed in carbide alloy 1 surface, when temperature is 380 DEG C, ultrasonic vibration 5min applied to carbide alloy to be welded and steel; D, brazing process adopt high-frequency induction heating mode; E, ultrasonic vibration terminate nature cooling, the weld seam of the WC ceramic particle enhancing of acquisition.
The brazed seam joints morphology (SEM pattern) obtained in the present embodiment is shown in Fig. 2, bilateral interfacial structure is shown in Fig. 3, visible interface cohesion is good, and the WC particle of the white having carbide alloy side move at brazed seam center Dispersed precipitate, the effect of enhancing weld seam can be played.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
- The ultrasonic brazing method of the carbide alloy that 1.WC particle in-situ strengthens and steel, be connected with the high strength of steel for carbide alloy, it is characterized in that, its brazing process carries out according to following steps: polish with to surface to be connected before a, soldering, and cleans the surface after polishing with acetone; Before b, soldering, Ag base solder paillon foil is placed between carbide alloy and steel; C, apply ultrasonic vibration, wherein ultrasonic frequency 18 ~ 25Hz to carbide alloy to be welded and steel, amplitude 4 ~ 20 μm, ultrasonic head is positioned at carbide surface or steel surface; Apply ultrasonic time 0.1s-10min, mobile ultrasonic head makes the solder of whole joint face all realize joint filling; D, brazing process adopt heat source way that can be common in stove or in the soldering such as high-frequency induction heating, and brazing temperature is 730 ~ 850 DEG C; After e, ultrasonic vibration terminate, test specimen cools naturally, obtains the welding finished product having the WC ceramic particle of brazed seam humidification in brazing seam structure.
- 2. the carbide alloy of WC particle In-sltu reinforcement according to claim 1 and the ultrasonic brazing method of steel, it is characterized in that, the main component of described carbide alloy is the carbide alloy of YG series, and its main component is Co base WC carbide alloy.
- 3. the carbide alloy of WC particle In-sltu reinforcement according to claim 1 and the ultrasonic brazing method of steel, is characterized in that, in the carbide alloy adopted and steel mother metal, the thickness of at least one mother metal is between 2 ~ 5mm.
- 4. the carbide alloy of WC particle In-sltu reinforcement according to claim 1 and the ultrasonic brazing method of steel, it is characterized in that, described Ag base solder is Ag-Cu-Zn-Mn-Ni solder, and its liquidus curve scope is between 700-800 DEG C, and solder foil thickness is between 50 ~ 200 μm.
- 5. the carbide alloy of WC particle In-sltu reinforcement according to claim 1 and the ultrasonic brazing method of steel, it is characterized in that, described ultrasonic applying both on carbide alloy, also can be able to be applied on steel, applied ultrasonic mother metal required thickness at below 5mm.
- 6. the carbide alloy of WC particle In-sltu reinforcement according to claim 1 and the ultrasonic brazing method of steel; it is characterized in that; ultrasonic application time is between 60s ~ 10min; hyperacoustic cavitation is utilized to remove the oxide-film on carbide alloy and steel surface; do not need in the process to adopt brazing flux or other protective atmospheres, brazing process carries out in an atmosphere.
- 7. the carbide alloy of WC particle In-sltu reinforcement according to claim 1 and the ultrasonic brazing method of steel, it is characterized in that adopting in stove or the multiple heating mode such as eddy-current heating, best brazing temperature is between 730 DEG C ~ 800 DEG C.
- 8. the carbide alloy of WC particle In-sltu reinforcement according to claim 1 and the ultrasonic brazing method of steel, it is characterized in that implementing in ultrasonic brazing process, WC particle in carbide alloy mother metal will migrate in brazed seam under ul-trasonic irradiation from carbide alloy side, postwelding forms the brazed seam that WC ceramic particle strengthens, and reaches the object strengthening joint mechanical property.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510174813.7A CN104772542B (en) | 2015-04-14 | 2015-04-14 | The hard alloy of WC particle In-sltu reinforcement and the ultrasonic brazing method of steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510174813.7A CN104772542B (en) | 2015-04-14 | 2015-04-14 | The hard alloy of WC particle In-sltu reinforcement and the ultrasonic brazing method of steel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104772542A true CN104772542A (en) | 2015-07-15 |
| CN104772542B CN104772542B (en) | 2017-07-11 |
Family
ID=53614474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510174813.7A Active CN104772542B (en) | 2015-04-14 | 2015-04-14 | The hard alloy of WC particle In-sltu reinforcement and the ultrasonic brazing method of steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104772542B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105234555A (en) * | 2015-11-13 | 2016-01-13 | 哈尔滨普瑞斯材料科技有限公司 | Ultrasonic-assisted transitional liquid phase bonding method |
| CN105618885A (en) * | 2016-03-25 | 2016-06-01 | 天津理工大学 | Method for forming reinforced-phase-strengthened composite welding seam structural material by regulating |
| CN106270873A (en) * | 2016-08-31 | 2017-01-04 | 郑州机械研究所 | A kind of method for welding of hard alloy |
| CN111347115A (en) * | 2020-04-09 | 2020-06-30 | 河南科技大学 | Tool for ultrasonic-assisted solder spreading |
| CN113000967A (en) * | 2021-03-10 | 2021-06-22 | 北京理工大学 | Ultrasonic-assisted high-frequency brazing method and device for micro-miniature superhard cutter |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09239531A (en) * | 1996-03-12 | 1997-09-16 | Suzuki Motor Corp | Method for forming zinc solder layer, and ultrasonic soldering method |
| US20050230455A1 (en) * | 2004-04-19 | 2005-10-20 | Jackson Eugene A | Magnetic source and ferromagnetic device for ultrasonic welding |
| CN101088690A (en) * | 2007-07-20 | 2007-12-19 | 哈尔滨工业大学 | Method for low temperature brazing aluminium alloy to obtain brazed joint with high temperature use performance |
| CN101829824A (en) * | 2010-04-12 | 2010-09-15 | 广州电器科学研究院 | Compound heating soldering method of precise part resistance heat and supersonic vibration |
| CN102513636A (en) * | 2011-12-23 | 2012-06-27 | 哈尔滨工业大学 | Brazing method capable of reducing residual stress on ceramic and metal joints |
| CN102909489A (en) * | 2012-10-30 | 2013-02-06 | 江苏科技大学 | Quenching solder for connecting hard alloy and steel as well as preparation method and connecting method of same |
-
2015
- 2015-04-14 CN CN201510174813.7A patent/CN104772542B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09239531A (en) * | 1996-03-12 | 1997-09-16 | Suzuki Motor Corp | Method for forming zinc solder layer, and ultrasonic soldering method |
| US20050230455A1 (en) * | 2004-04-19 | 2005-10-20 | Jackson Eugene A | Magnetic source and ferromagnetic device for ultrasonic welding |
| CN101088690A (en) * | 2007-07-20 | 2007-12-19 | 哈尔滨工业大学 | Method for low temperature brazing aluminium alloy to obtain brazed joint with high temperature use performance |
| CN101829824A (en) * | 2010-04-12 | 2010-09-15 | 广州电器科学研究院 | Compound heating soldering method of precise part resistance heat and supersonic vibration |
| CN102513636A (en) * | 2011-12-23 | 2012-06-27 | 哈尔滨工业大学 | Brazing method capable of reducing residual stress on ceramic and metal joints |
| CN102909489A (en) * | 2012-10-30 | 2013-02-06 | 江苏科技大学 | Quenching solder for connecting hard alloy and steel as well as preparation method and connecting method of same |
Non-Patent Citations (1)
| Title |
|---|
| 陈国庆等: "硬质合金与钢焊接技术的研究现状", 《硬质合金》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105234555A (en) * | 2015-11-13 | 2016-01-13 | 哈尔滨普瑞斯材料科技有限公司 | Ultrasonic-assisted transitional liquid phase bonding method |
| CN105618885A (en) * | 2016-03-25 | 2016-06-01 | 天津理工大学 | Method for forming reinforced-phase-strengthened composite welding seam structural material by regulating |
| CN105618885B (en) * | 2016-03-25 | 2019-01-18 | 浙江邦驰汽车零部件有限公司 | A method of reinforced phase is formed by regulation and strengthens composite weld structural material |
| CN106270873A (en) * | 2016-08-31 | 2017-01-04 | 郑州机械研究所 | A kind of method for welding of hard alloy |
| CN111347115A (en) * | 2020-04-09 | 2020-06-30 | 河南科技大学 | Tool for ultrasonic-assisted solder spreading |
| CN111347115B (en) * | 2020-04-09 | 2021-11-30 | 河南科技大学 | Tool for ultrasonic-assisted solder spreading |
| CN113000967A (en) * | 2021-03-10 | 2021-06-22 | 北京理工大学 | Ultrasonic-assisted high-frequency brazing method and device for micro-miniature superhard cutter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104772542B (en) | 2017-07-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104772542A (en) | WC particle in-situ reinforced hard alloy and steel ultrasonic soldering method | |
| CN102581473B (en) | Ultrasonic assisted semi-solid friction stir welding method applicable to connection of particle reinforced aluminum matrix composite | |
| CN102380605B (en) | Preparation method of hard alloy/high-chromium alloy-based wear-resistant composite material | |
| CN103273156B (en) | A kind of method improving Welding intensity | |
| CN101049647B (en) | Presoaking silver brazing method between diamond laminate sheet and carbon steel | |
| WO2020010782A1 (en) | Axial friction welding process for high-nitrogen austenitic stainless steel and non-magnetic drill collar | |
| CN102294528A (en) | Process for carrying out entire high-frequency brazing by welding jig | |
| CN104708159B (en) | A kind of diamond tool and preparation method thereof | |
| KR101007592B1 (en) | Friction stir welding with tungsten inert gas welding type hybrid welding apparatus | |
| CN103692166A (en) | Preparation method of super-thick alloy steel plate | |
| CN101699021A (en) | Friction welding type kelly bar | |
| CN108581174B (en) | Welding method for friction stir welding of dissimilar materials | |
| CN103240544A (en) | High-temperature brazing filler metal for soldering C/C and C/SiC composite materials and preparation methods thereof | |
| CN102500900A (en) | Preparation method for dissimilar metal plate loose lining | |
| CN111001962A (en) | Brazing coating material and preparation method and application thereof | |
| CN104191099B (en) | For the preparation method of the composite soldering that the WC particle of carbide quartz welding strengthens | |
| CN107363358A (en) | A kind of method for improving neodymium iron boron and steel or neodymium iron boron and neodymium iron boron soldering joint strength | |
| CN108145302A (en) | A kind of SPS diffusion welding methods of WC hard alloy of the same race | |
| CN105290606A (en) | Friction stir welding method for foam aluminum material | |
| CN108544077A (en) | A kind of pre- heap middle layer auxiliary dissimilar materials backfill formula friction stir spot welding method of friction | |
| CN103302414A (en) | Vacuum connecting method for stainless steel pieces | |
| CN106826115B (en) | A kind of welding processing of sintered Nd-Fe-B permanent magnet | |
| CN103464855B (en) | The large area carbide alloy method for welding of standing wave constraint | |
| CN204475074U (en) | Clad type carbide alloy tamping pickaxe | |
| CN109973560A (en) | Bimetallic braking brake disk and its manufacturing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |