CN107914019B - A kind of iron nickel Al-based agent diamond tool and preparation method thereof - Google Patents
A kind of iron nickel Al-based agent diamond tool and preparation method thereof Download PDFInfo
- Publication number
- CN107914019B CN107914019B CN201711002392.5A CN201711002392A CN107914019B CN 107914019 B CN107914019 B CN 107914019B CN 201711002392 A CN201711002392 A CN 201711002392A CN 107914019 B CN107914019 B CN 107914019B
- Authority
- CN
- China
- Prior art keywords
- powder
- diamond tool
- mass parts
- diamond
- sintering
- 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.)
- Active
Links
- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 77
- 239000010432 diamond Substances 0.000 title claims abstract description 77
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 22
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 70
- 238000005245 sintering Methods 0.000 claims abstract description 59
- 238000000227 grinding Methods 0.000 claims abstract description 27
- 239000003082 abrasive agent Substances 0.000 claims abstract description 19
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910017755 Cu-Sn Inorganic materials 0.000 claims abstract description 18
- 229910017927 Cu—Sn Inorganic materials 0.000 claims abstract description 18
- 239000011863 silicon-based powder Substances 0.000 claims abstract description 16
- 229910000048 titanium hydride Inorganic materials 0.000 claims abstract description 15
- 229910001005 Ni3Al Inorganic materials 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 229910017372 Fe3Al Inorganic materials 0.000 claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 22
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 10
- 238000000498 ball milling Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 4
- 239000007767 bonding agent Substances 0.000 abstract description 15
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 5
- 239000011159 matrix material Substances 0.000 abstract description 3
- 238000007731 hot pressing Methods 0.000 description 6
- 229910017052 cobalt Inorganic materials 0.000 description 5
- 239000010941 cobalt Substances 0.000 description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 239000012752 auxiliary agent Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910000765 intermetallic Inorganic materials 0.000 description 3
- 230000003685 thermal hair damage Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000002547 anomalous effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 102000008133 Iron-Binding Proteins Human genes 0.000 description 1
- 108010035210 Iron-Binding Proteins Proteins 0.000 description 1
- 229910003310 Ni-Al Inorganic materials 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000009918 complex formation Effects 0.000 description 1
- 239000000039 congener Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- -1 ferrous metals Chemical class 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910000907 nickel aluminide Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
-
- B22F1/0003—
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/04—Alloys containing less than 50% by weight of each constituent containing tin or lead
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F2005/002—Tools other than cutting tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a kind of iron nickel Al-based agent diamond tools and preparation method thereof.This diamond tool includes metallic bond, sintering aid and abrasive material；Metallic bond is by 35~45 mass parts Fe3Al powder and 35~45 mass parts Ni3Al powder composition；Sintering aid is by 5~20 mass parts Cu-Sn prealloy powder, 0.5~2 mass parts Si powder, 0.5~2 mass parts B powder and 0.5~2 mass parts TiH2Powder composition；Abrasive material is diamond, and the volume fraction that diamond abrasive accounts for grinding layer is 5~25%.Also disclose the preparation method of this iron nickel Al-based agent diamond tool.The present invention is by Fe3Al and Ni3Al as the bonding agent of dry-type processing diamond tool can make full use of its high temperature creep strength after being sufficiently mixed, medium temperature intensity, the performance that minute yardstick high-temerature creep is resisted in being ground, can preferably be combined with matrix, to change the low creep strength feature of conventional metals bonding agent.
Description
Technical field
The present invention relates to a kind of iron nickel Al-based agent diamond tools and preparation method thereof.
Background technique
Diamond tool is widely used in concrete, complex formation, the structures such as ceramics and bituminous pavement or material processing and
The fields such as scene cutting and drilling.The metallic bond used in the fabrication process is mainly with copper-based, cobalt-based, iron-based, Ni-based, tungsten
Based on base and Al-based agent.Wherein, the non-ferrous metals higher cost such as cobalt, copper, diamond abrasive are easily de- in early stage grinding process
Fall problem.It is more to being studied with iron for cobalt in recent years, nickel aluminide mixing is added using based on iron-based as bonding agent system
Diamond tool, by design on material structure appropriate synthesize, to diamond have good compatibility, high temperature creep strength
The advantages that height, diamond holding power height and idiosome shape have been kept.Dry-type processing can be carried out to hard brittle material to a certain extent.
Although the bond strength height of metal-bonded diamond grinding tool, good moldability, long service life, it is suitable for brittle material
The processing of material.In comparison, bronze binding agent self-sharpening is poor, is easy blocking fever, finishing difficulty；The price of cobalt is higher to make gold
The high production cost of hard rock grinding tool；Iron and cobalt belong to congeners, and Nature comparison is similar, cheap, but iron-content is greater than
When 40%, iron-binding agent is very sensitive to sintering temperature, and the hardness of grinding tool is easily caused because of underburnt and excessive erosion diamond
Decline.
Summary of the invention
The purpose of the present invention is to provide a kind of iron nickel Al-based agent diamond tools and preparation method thereof.
The technical solution used in the present invention is:
A kind of iron nickel Al-based agent diamond tool, including metallic bond, sintering aid and abrasive material；Metallic bond
By 35~45 mass parts Fe3Al powder and 35~45 mass parts Ni3Al powder composition；Sintering aid is closed in advance by 5~20 mass parts Cu-Sn
Bronze, 0.5~2 mass parts Si powder, 0.5~2 mass parts B powder and 0.5~2 mass parts TiH2Powder composition；Abrasive material is diamond, gold
The volume fraction that hard rock abrasive material accounts for grinding layer is 5~25%.
Fe3The partial size of Al powder is 5~50 μm, Ni3The partial size of Al powder is 5~50 μm, the partial size of Cu-Sn prealloy powder is 5~
75 μm, the partial size of Si powder is 1~15 μm, and the partial size of B powder is 1~15 μm, TiH2The partial size of powder is 1~15 μm.
The mass fraction of Sn is 15~20% in Cu-Sn prealloy powder.
The partial size of diamond abrasive is 12~120 mesh.
A kind of preparation method of iron nickel Al-based agent diamond tool, comprising the following steps:
1) metallic bond, sintering aid and abrasive material are weighed by above-mentioned composition, is mixed in ball mill, obtains diamond
Tool prepares material；
2) diamond tool is prepared into material cold moudling, obtains diamond tool green body；
3) diamond tool green body is sintered, obtains diamond tool.
In step 1), the revolving speed of ball mill is 150~250r/min, and Ball-milling Time is 3~5h, and ratio of grinding media to material is (5~15):
1。
In step 2), the green density of diamond tool green body is 50~70% theoretical densities, cold pressing pressure is 200~
300MPa。
In step 3), the mode of sintering is hot pressed sintering or gas pressure sintering.
In step 3), sintering temperature be 600~1200 DEG C, sintering time be 10~40min, sintering pressure be 30~
100MPa。
The beneficial effects of the present invention are:
The present invention is by Fe3Al and Ni3Al be sufficiently mixed after as dry-type processing diamond tool bonding agent can sufficiently benefit
With its high temperature creep strength, medium temperature intensity, be ground in resist the performance of minute yardstick high-temerature creep, can be preferably with matrix
In conjunction with to change the low creep strength feature of conventional metals bonding agent.Diamond tool of the invention be added to simultaneously it is a variety of not
Same sintering aid can be improved the sintering character of system and improve its microstructure.
Specifically:
1) intermetallic compound Fe3Al have anomalous yield intensity thus have excellent medium temperature intensity, and price is low
It is honest and clean, and intermetallic compound Ni3There is Al intermetallic compound good wide temperature range anomalous yield characteristic and dry type high temperature to have
Oxygen environment adaptability, therefore by Fe3Al and Ni3Al can fill after being sufficiently mixed as the bonding agent of dry-type processing diamond tool
Divide in being ground using its high temperature creep strength, medium temperature intensity and resists the performance of minute yardstick high-temerature creep, it can be more with matrix
It combines well, to change the low creep strength feature of conventional metals bonding agent.
2) present invention is added to several different auxiliary agents, in order to improve the sintering character of system and improve that its is microcosmic
Structure.The Cu-Sn of addition can thinning microstructure, improve the compactness of grinding tool；The B powder of addition can purify crystal boundary, refinement sintering
Tissue, improves the toughness of bonding agent；The Si powder of addition can improve sintering character, reduce the thermal damage to diamond particles；Addition
TiH2Sintering strength can be improved, increase bonding agent to the holding power of diamond and improve the burning of Fe-Al, Ni-Al compound
Tie performance.
Specific embodiment
A kind of iron nickel Al-based agent diamond tool, including metallic bond, sintering aid and abrasive material；Metallic bond
By 35~45 mass parts Fe3Al powder and 35~45 mass parts Ni3Al powder composition；Sintering aid is closed in advance by 5~20 mass parts Cu-Sn
Bronze, 0.5~2 mass parts Si powder, 0.5~2 mass parts B powder and 0.5~2 mass parts TiH2Powder composition；Abrasive material is diamond, gold
The volume fraction that hard rock abrasive material accounts for grinding layer is 5~25%.
Preferably, a kind of iron nickel Al-based agent diamond tool, including metallic bond, sintering aid and abrasive material；Gold
Belong to bonding agent by 40~43 mass parts Fe3Al powder and 40~43 mass parts Ni3Al powder composition；Sintering aid is by 11~17 mass parts
Cu-Sn prealloy powder, 1~2 mass parts Si powder, 0.5~1 mass parts B powder and 1~1.5 mass parts TiH2Powder composition；Abrasive material is gold
Hard rock, the volume fraction that diamond abrasive accounts for grinding layer is 15~25%.
Further, it is 18.75~25% that diamond abrasive, which accounts for the volume fraction of grinding layer,.
Preferably, Fe3The partial size of Al powder is 5~50 μm, Ni3The partial size of Al powder is 5~50 μm, the grain of Cu-Sn prealloy powder
Diameter is 5~75 μm, and the partial size of Si powder is 1~15 μm, and the partial size of B powder is 1~15 μm, TiH2The partial size of powder is 1~15 μm；Into one
Step is preferred, Fe3The partial size of Al powder is 8~15 μm, Ni3The partial size of Al powder is 10~20 μm, and the partial size of Cu-Sn prealloy powder is 8
~20 μm, the partial size of Si powder is 3~10 μm, and the partial size of B powder is 2~5 μm, TiH2The partial size of powder is 3~10 μm.
Preferably, the mass fraction of Sn is 15~20% in Cu-Sn prealloy powder.
Preferably, the partial size of diamond abrasive is 12~120 mesh；It is further preferred that the partial size of diamond abrasive is 30
~60 mesh.
A kind of preparation method of iron nickel Al-based agent diamond tool, comprising the following steps:
1) metallic bond, sintering aid and abrasive material are weighed by above-mentioned composition, is mixed in ball mill, obtains diamond
Tool prepares material；
2) diamond tool is prepared into material cold moudling, obtains diamond tool green body；
3) diamond tool green body is sintered, obtains diamond tool.
Preferably, in step 1), the revolving speed of ball mill is 150~250r/min, and Ball-milling Time is 3~5h, and ratio of grinding media to material is
(5~15): 1；It is further preferred that in step 1), the revolving speed of ball mill is 150~250r/min, Ball-milling Time is 3~
4.5h, ratio of grinding media to material are (6~12): 1.
Further, in step 1), the total volume of abrading-ball and material is no more than the 2/3 of ball milling tank volume.
Preferably, in step 2), the green density of diamond tool green body is 50~70% theoretical densities, and cold pressing pressure is
200~300Mpa；It is further preferred that cold pressing pressure is 220~280MPa in step 2).
Further, cold moudling described in step 2) carries out in hard alloy cold stamping die.
Preferably, in step 3), the mode of sintering is hot pressed sintering or gas pressure sintering.
Preferably, in step 3), sintering temperature is 600~1200 DEG C, and sintering time is 10~40min, and sintering pressure is
30~100MPa；It is further preferred that sintering temperature is 800~1050 DEG C in step 3), sintering time is 20~35min, is burnt
Knot pressure power is 30~50MPa.
Fe of the present invention3Al powder, Ni3Al powder, Cu-Sn prealloy powder, Si powder, B powder and TiH2The purity of powder is all larger than
99.9%.
The contents of the present invention are described in further detail below by way of specific embodiment.
Embodiment 1:
A kind of iron nickel Al-based agent diamond tool, includes the following steps:
Fe3The mass fraction of Al is 40 parts, Ni3The mass fraction of Al is 40 parts, Fe3The partial size of Al powder is 8 μm, Ni3Al powder
Partial size be 10 μm.The mass fraction of Cu-Sn pre-alloyed powder is 17 parts, and partial size is 15 μm；The mass fraction of Si powder is 1
Part, partial size is 3 μm；The mass fraction of B powder is 0.5 part, and partial size is 2 μm；TiH2The mass fraction of powder is 1.5 parts,
Partial size is 3 μm.Diamond abrasive is added, it is made to account for the volume fraction of grinding layer 25%, particle size is 50/60 mesh.
The metallic bond, sintering aid and abrasive material of aforementioned proportion are put into ball mill to be sufficiently mixed, drum's speed of rotation 200r/min,
Ball-milling Time is 3h, ratio of grinding media to material 6:1.It mixed grinding tool is prepared into material is put into hard alloy cold stamping die and be cold-pressed into
Type, pressure 220MPa, the green density of obtained tool body are 50% theoretical density；Hot pressing burning is carried out to tool body
Knot, sintering temperature are 800 DEG C, sintering time 35min, sintering pressure 30MPa, the heat that tool body relies on hot pressing furnace to provide
The high enthalpy that release can be put with certain pressure generation and sintering reaction generates reaction, finally obtains diamond tool.
Embodiment 2:
A kind of iron nickel Al-based agent diamond tool, includes the following steps:
Fe3The mass fraction of Al is 42 parts, Ni3The mass fraction of Al is 42 parts, Fe3The partial size of Al powder is 15 μm, Ni3Al
The partial size of powder is 20 μm.The mass fraction of Cu-Sn pre-alloyed powder is 12 parts, and partial size is 20 μm；The mass fraction of Si powder is 2
Part, partial size is 10 μm；The mass fraction of B powder is 1 part, and partial size is 5 μm；TiH2The mass fraction of powder is 1 part, partial size
It is 10 μm.Diamond abrasive is added, it is made to account for the volume fraction of grinding layer 18.75%, particle size is 40/50 mesh.
The metallic bond, sintering aid and abrasive material of aforementioned proportion are put into ball mill to be sufficiently mixed, drum's speed of rotation 150r/min,
Ball-milling Time is 4h, ratio of grinding media to material 8:1.It mixed grinding tool is prepared into material is put into hard alloy cold stamping die and be cold-pressed into
Type, pressure 250MPa, the green density of obtained tool body are 58% theoretical density；Hot pressing burning is carried out to tool body
Knot, sintering temperature are 900 DEG C, sintering time 30min, sintering pressure 50MPa, the heat that tool body relies on hot pressing furnace to provide
The high enthalpy that release can be put with certain pressure generation and sintering reaction generates reaction, finally obtains diamond tool.
Embodiment 3:
A kind of iron nickel Al-based agent diamond tool, includes the following steps:
Fe3The mass fraction of Al is 43 parts, Ni3The mass fraction of Al is 43 parts, Fe3The partial size of Al powder is 10 μm, Ni3Al
The partial size of powder is 15 μm.The mass fraction of Cu-Sn pre-alloyed powder is 11 parts, and partial size is 8 μm.The mass fraction of Si powder is 1
Part, partial size is 5 μm；The mass fraction of B powder is 0.5 part, and partial size is 4 μm；TiH2The mass fraction of powder is 1.5 parts,
Partial size is 5 μm.Diamond abrasive is added, it is made to account for the volume fraction of grinding layer 25%, particle size is 30/40 mesh.
The metallic bond, sintering aid and abrasive material of aforementioned proportion are put into ball mill to be sufficiently mixed, drum's speed of rotation 250r/min,
Ball-milling Time is 4.5h, ratio of grinding media to material 12:1.By mixed grinding tool prepare material be put into hard alloy cold stamping die carry out it is cold
Molded, pressure 280MPa, the green density of obtained tool body is 68% theoretical density；Hot pressing is carried out to tool body
Sintering, sintering temperature are 1050 DEG C, sintering time 20min, sintering pressure 40MPa, and tool body is provided by hot pressing furnace
Thermal energy and certain pressure occur and sintering reaction put release high enthalpy generate reaction, finally obtain diamond tool.
The present invention takes the lead in utilizing Fe based on Fe base3The good medium temperature mechanical property of Al and Ni3Al excellent high temperature is compacted
Diamond abrasive tool is made in intensity adjustable reaction, while being added to Cu-Sn pre-alloyed powder in this process and improving grinding tool compactness, is added
Si powder can be improved bonding agent mechanical property, mitigate to the thermal damage of diamond, the B powder of addition improves tissue, and refinement is brilliant
Grain, the TiH of addition2Powder auxiliary agent improves bond strength and the thermal damage of diamond.
Compare bonding agent mainly with diamond tools such as Co, Cu, Mn for, iron nickel Al-based agent diamond of the present invention
Tool has following advantages:
A, Fe has good compatibility and wetability to diamond, using Fe base as bonding agent, not only improves diamond
The bond strength of tool avoids grinding tool in grinding process because of Grain Falling Off caused by deforming, and Fe element resource is abundant, valence
Lattice are cheap；
B, by Fe3Al、Ni3It is reacted after Al mixing, can make full use of the good medium temperature intensity of Fe-Al compound and Ni-
Al compound high temperature creep strength changes the feature of the low creep strength of conventional metals binding agent grinder；
C, a variety of auxiliary agents of addition, such as TiH2Solution strengthening can be formed, sintering strength is improved, B, Si powder of addition incorporate
In Fe-Al compound, sintering structure is on the one hand refined, improves the toughness of bonding agent, on the other hand reduces Fe-Al intermetallic
Object fusing point improves the sintering character of bonding agent.
Claims (6)
1. a kind of iron nickel Al-based agent diamond tool, it is characterised in that: including metallic bond, sintering aid and abrasive material；
Metallic bond is by 35~45 mass parts Fe3Al powder and 35~45 mass parts Ni3Al powder composition；Sintering aid is by 5~20 mass parts
Cu-Sn prealloy powder, 0.5~2 mass parts Si powder, 0.5~2 mass parts B powder and 0.5~2 mass parts TiH2Powder composition；Abrasive material is
Diamond, the volume fraction that diamond abrasive accounts for grinding layer is 5~25%；The quality of Sn point in the Cu-Sn prealloy powder
Number is 15~20%；Fe3The partial size of Al powder is 5~50 μm, Ni3The partial size of Al powder is 5~50 μm, the partial size of Cu-Sn prealloy powder
It is 5~75 μm, the partial size of Si powder is 1~15 μm, and the partial size of B powder is 1~15 μm, TiH2The partial size of powder is 1~15 μm；Diamond
The partial size of abrasive material is 12~120 mesh.
2. a kind of preparation method of iron nickel Al-based agent diamond tool, it is characterised in that: the following steps are included:
1) metallic bond, sintering aid and abrasive material composition according to claim 1 are weighed, mixes, obtains in ball mill
Diamond tool prepares material；
2) diamond tool is prepared into material cold moudling, obtains diamond tool green body；
3) diamond tool green body is sintered, obtains diamond tool.
3. a kind of preparation method of iron nickel Al-based agent diamond tool according to claim 2, it is characterised in that: step
It is rapid 1) in, the revolving speed of ball mill is 150~250r/min, and Ball-milling Time is 3~5h, and ratio of grinding media to material is (5~15): 1.
4. a kind of preparation method of iron nickel Al-based agent diamond tool according to claim 2, it is characterised in that: step
It is rapid 2) in, the green density of diamond tool green body is 50~70% theoretical densities, and cold pressing pressure is 200~300MPa.
5. a kind of preparation method of iron nickel Al-based agent diamond tool according to claim 2, it is characterised in that: step
It is rapid 3) in, the mode of sintering is hot pressed sintering or gas pressure sintering.
6. a kind of preparation method of iron nickel Al-based agent diamond tool according to claim 5, it is characterised in that: step
It is rapid 3) in, sintering temperature be 600~1200 DEG C, sintering time be 10~40min, sintering pressure be 30~100MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711002392.5A CN107914019B (en) | 2017-10-24 | 2017-10-24 | A kind of iron nickel Al-based agent diamond tool and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711002392.5A CN107914019B (en) | 2017-10-24 | 2017-10-24 | A kind of iron nickel Al-based agent diamond tool and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107914019A CN107914019A (en) | 2018-04-17 |
| CN107914019B true CN107914019B (en) | 2019-10-25 |
Family
ID=61895742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711002392.5A Active CN107914019B (en) | 2017-10-24 | 2017-10-24 | A kind of iron nickel Al-based agent diamond tool and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107914019B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110116376B (en) * | 2019-06-21 | 2021-01-26 | 广东工业大学 | Metal bond grinding tool and preparation method thereof |
| CN112620627A (en) * | 2020-12-20 | 2021-04-09 | 湖南富栊新材料股份有限公司 | Surface nanocrystallization modified metal powder and application thereof |
| CN114247957A (en) * | 2021-12-29 | 2022-03-29 | 昆山耐信金刚石工具有限公司 | Welding process for corner post diamond pen |
| CN115255368B (en) * | 2022-07-15 | 2023-08-04 | 广东工业大学 | Diamond tool with soft and hard composite metal binding agent and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101181749A (en) * | 2007-12-19 | 2008-05-21 | 上海芬迪超硬材料科技有限公司 | Atomized alloyed powder substituting cobalt and nickel in diamond tools |
| CN105773447A (en) * | 2016-05-24 | 2016-07-20 | 广东工业大学 | Novel dry type machining grinding tool and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243252B (en) * | 2013-05-10 | 2015-02-18 | 东南大学 | Binder-phase wolfram-carbide (WC) hard alloy and preparation method thereof |
-
2017
- 2017-10-24 CN CN201711002392.5A patent/CN107914019B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101181749A (en) * | 2007-12-19 | 2008-05-21 | 上海芬迪超硬材料科技有限公司 | Atomized alloyed powder substituting cobalt and nickel in diamond tools |
| CN105773447A (en) * | 2016-05-24 | 2016-07-20 | 广东工业大学 | Novel dry type machining grinding tool and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107914019A (en) | 2018-04-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107914019B (en) | A kind of iron nickel Al-based agent diamond tool and preparation method thereof | |
| CN105463291B (en) | Fully-prealloyed powder and preparation method thereof | |
| CN102191498B (en) | Preparation method for wear-resistant corrosion-resistant coating from coarse granular titanium-carbide-based powder | |
| CN102154582B (en) | Preparation method of hard alloy taking nickel-aluminium intermetallic compound Ni3Al as binding phase | |
| CN109161773A (en) | A kind of preparation method of high-entropy alloy bonding phase cemented carbide | |
| CN107838417B (en) | A kind of iron Al-based agent diamond tool and preparation method thereof | |
| CN102140603A (en) | Hard alloy using nickel-aluminum intermetallic compound Ni3Al as bonding phase and preparation method thereof | |
| CN103266258A (en) | Rare earth prealloyed powder and preparation method thereof | |
| CN110116376A (en) | A kind of metallic bond grinding tool and preparation method thereof | |
| CN112647006B (en) | Tungsten carbide-based hard alloy and preparation method thereof | |
| CN106392907A (en) | Method for quickly preparing dense and superhard grinding and drilling tool based on self-propagating reaction | |
| CN102134663B (en) | Hard alloy with iron-aluminum intermetallic compound as main binding phase and preparation method of hard alloy | |
| CN108085576A (en) | A kind of preparation method of steel knot TiCN base cemented carbides | |
| CN107116490A (en) | The SHS preparation methods of multi-block type diamond segment | |
| CN101514422A (en) | Non-magnetic hard alloy powder and method for preparing the same | |
| CN110438384A (en) | A kind of Ni-based ultra-fine cemented carbide of iron and preparation method thereof | |
| CN104745850B (en) | TiCN-based steel-bonded cemented carbide, and preparation method and application thereof | |
| CN103243252A (en) | Binder-phase wolfram-carbide (WC) hard alloy and preparation method thereof | |
| CN106399797B (en) | One kind is with cobalt binder titanium carbide base wear-resisting and corrosion-resisting hard-alloy and preparation method | |
| CN102061419A (en) | Hard alloy material taking Co-Cu as bonding phase and preparation method thereof | |
| CN102162058B (en) | Hard alloy taking nickel-aluminum intermetallic compound Ni3Al as binding phase and preparation method thereof | |
| CN101259528B (en) | Non magnetic cemented carbide powder with nickel-vanadium alloys as binder phase and preparation | |
| CN107838416B (en) | A kind of iron-binding agent diamond tool and preparation method thereof | |
| CN114318163B (en) | Superfine multi-element prealloy powder for diamond tool and preparation method thereof | |
| CN101181754B (en) | Method for preparing WC/MgO nano composite powder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |