CN105695801A - Medical surgical blade - Google Patents
Medical surgical blade Download PDFInfo
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- CN105695801A CN105695801A CN201610117335.0A CN201610117335A CN105695801A CN 105695801 A CN105695801 A CN 105695801A CN 201610117335 A CN201610117335 A CN 201610117335A CN 105695801 A CN105695801 A CN 105695801A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
- A61B17/3211—Surgical scalpels, knives; Accessories therefor
- A61B17/3213—Surgical scalpels, knives; Accessories therefor with detachable blades
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0005—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with at least one oxide and at least one of carbides, nitrides, borides or silicides as the main non-metallic constituents
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/24—Nitriding
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00526—Methods of manufacturing
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- 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
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Abstract
The invention provides a manufacturing method of a medical surgical blade. The surgical blade is used for a disposable replaceable scalpel, and is prepared by the following procedures: mixing of raw material powder of dispersed-phase nickel-based alloy, pressing sintering, annealing, machining, quenching, tempering and nitriding. The ingredient of the nickel-based alloy has relatively high strength, the strength of steel bond hard alloy is further improved under the effect of a dispersed phase, and by the nitriding procedure, surface hardness and strength of a workpiece are improved.
Description
Technical field
The present invention relates to a kind of medical surgery blade, belongs to medical surgery fixture technology field。
Background technology
Scalpel is a requisite instrument in surgical operation, operation adopts the detachable scalpel of interchangeable cutter head mostly, this scalpel generally divides handle of a knife and knife blade two parts, and in operation process, the difference according to operative site and demand changes difform knife blade。Traditional operation blade complex manufacturing, production cost is high。
Summary of the invention
A kind of medical surgery blade, surgery blade is used for disposable replaceable surgical knife, and surgery blade is mixed by disperse phase nickel-base alloy material powder, compacting sintering, annealing, machining, quenching, tempering, and nitriding operation is prepared from:
Disperse phase nickel-base alloy material powder includes disperse phase and nickel-base alloy, and disperse phase (weight) is by titanium nitride 50-60 part, zirconium carbide 10-20 part, chromium carbide 5-10 part, boron carbide 4 parts, aluminium oxide 3 parts composition；Nickel-base alloy (weight) is by C0.5-0.6%, Si0.4-0.5%, Zr0.3-0.4%, Zn0.1-0.2%, Cd0.05-0.06%, W0.04-0.05%, Nd0.02-0.03%, Ce0.02-0.03%, and surplus is Ni composition；The weight ratio of disperse phase and nickel-base alloy is 0.3,
Wherein in powder mixed processes: weigh titanium nitride, zirconium carbide, chromium carbide, boron carbide, alumina powder mixes according to aforementioned proportion, carries out ball milling alloying according to ratio of grinding media to material 10:1, and abrading-ball is hardened steel ball, Ball-milling Time 80h, applies the high-purity argon gas of more than 99.9%, it is thus achieved that disperse phase powder；Weighing aforementioned proportion Co-based alloy powder, carry out ball milling alloying, Ball-milling Time 35h according to ratio of grinding media to material 7:1, interpolation dehydrated alcohol is process control agent, it is thus achieved that nickel-base alloy micropowder；Disperse phase powder and nickel-base alloy micropowder are mixed, ball milling 95 hours again, it is thus achieved that disperse phase nickel-base alloy mixed-powder；
Wherein in compacting sintering operation: the disperse phase nickel-base alloy mixed-powder of above-mentioned acquisition is dried, screening, it is pressed into required size shape；Then carrying out vacuum-sintering, 45 DEG C/min of heating rate carries out when being warming up to 1330 DEG C being incubated 4 hours, rear furnace cooling,
Wherein in annealing operation: annealing temperature 930 DEG C, keep 7h, after then cooling to 120 DEG C with the furnace, take out natural cooling in air；
Wherein in machining processes: machine according to medical surgery blade size；
Wherein quenching, in tempering process: the temperature of described Quenching Treatment is 1070 DEG C, the temperature of described temper is 540 DEG C,
Nitriding operation: temperature 910-920 DEG C of nitrogen gesture 0.4%, is incubated 3h, then raises nitrogen gesture to 0.7%, is incubated 4h, and furnace temperature is down to 850-860 DEG C afterwards, and nitrogen potential control is 1.2%；Insulation 7h, air cooling is to room temperature afterwards；Finally give medical surgery blade。
Described a kind of medical surgery blade, nitriding operation: 910 DEG C of nitrogen gesture 0.4% of temperature, it is incubated 3h, then raises nitrogen gesture to 0.7%, be incubated 4h, furnace temperature is down to 850 DEG C afterwards, and nitrogen potential control is 1.2%；Insulation 7h, air cooling is to room temperature afterwards；Finally give medical surgery blade。
Described a kind of medical surgery blade, nitriding operation: 920 DEG C of nitrogen gesture 0.4% of temperature, it is incubated 3h, then raises nitrogen gesture to 0.7%, be incubated 4h, furnace temperature is down to 860 DEG C afterwards, and nitrogen potential control is 1.2%；Insulation 7h, air cooling is to room temperature afterwards；Finally give medical surgery blade。
Described a kind of medical surgery blade, nitriding operation: 915 DEG C of nitrogen gesture 0.4% of temperature, it is incubated 3h, then raises nitrogen gesture to 0.7%, be incubated 4h, furnace temperature is down to 855 DEG C afterwards, and nitrogen potential control is 1.2%；Insulation 7h, air cooling is to room temperature afterwards；Finally give medical surgery blade。
Described a kind of medical surgery blade, disperse phase (weight) is by titanium nitride 50 parts, zirconium carbide 10 parts, chromium carbide 5 parts, boron carbide 4 parts, aluminium oxide 3 parts composition。
Described a kind of medical surgery blade, disperse phase (weight) is by titanium nitride 60 parts, zirconium carbide 20 parts, chromium carbide 10 parts, boron carbide 4 parts, aluminium oxide 3 parts composition。
Described a kind of medical surgery blade, disperse phase (weight) is by titanium nitride 55 parts, zirconium carbide 15 parts, chromium carbide 7 parts, boron carbide 4 parts, aluminium oxide 3 parts composition。
Described a kind of medical surgery blade, nickel-base alloy (weight) is by C0.5%, Si0.4%, Zr0.3%, Zn0.1%, Cd0.05%, W0.04%, Nd0.02%, Ce0.02%, and surplus is Ni composition。
Described a kind of medical surgery blade, nickel-base alloy (weight) is by C0.6%, Si0.5%, Zr0.4%, Zn0.2%, Cd0.06%, W0.05%, Nd0.03%, Ce0.03%, and surplus is Ni composition。
Described a kind of medical surgery blade, nickel-base alloy (weight) is by C0.55%, Si0.45%, Zr0.35%, Zn0.15%, Cd0.055%, W0.045%, Nd0.025%, Ce0.025%, and surplus is Ni composition。
A kind of manufacture method of medical surgery blade, surgery blade is used for disposable replaceable surgical knife, and surgery blade is mixed by disperse phase nickel-base alloy material powder, compacting sintering, annealing, machining, quenching, tempering, and nitriding operation is prepared from:
Disperse phase nickel-base alloy material powder includes disperse phase and nickel-base alloy, and disperse phase (weight) is by titanium nitride 50-60 part, zirconium carbide 10-20 part, chromium carbide 5-10 part, boron carbide 4 parts, aluminium oxide 3 parts composition；Nickel-base alloy (weight) is by C0.5-0.6%, Si0.4-0.5%, Zr0.3-0.4%, Zn0.1-0.2%, Cd0.05-0.06%, W0.04-0.05%, Nd0.02-0.03%, Ce0.02-0.03%, and surplus is Ni composition；The weight ratio of disperse phase and nickel-base alloy is 0.3,
Wherein in powder mixed processes: weigh titanium nitride, zirconium carbide, chromium carbide, boron carbide, alumina powder mixes according to aforementioned proportion, carries out ball milling alloying according to ratio of grinding media to material 10:1, and abrading-ball is hardened steel ball, Ball-milling Time 80h, applies the high-purity argon gas of more than 99.9%, it is thus achieved that disperse phase powder；Weighing aforementioned proportion Co-based alloy powder, carry out ball milling alloying, Ball-milling Time 35h according to ratio of grinding media to material 7:1, interpolation dehydrated alcohol is process control agent, it is thus achieved that nickel-base alloy micropowder；Disperse phase powder and nickel-base alloy micropowder are mixed, ball milling 95 hours again, it is thus achieved that disperse phase nickel-base alloy mixed-powder；
Wherein in compacting sintering operation: the disperse phase nickel-base alloy mixed-powder of above-mentioned acquisition is dried, screening, it is pressed into required size shape；Then carrying out vacuum-sintering, 45 DEG C/min of heating rate carries out when being warming up to 1330 DEG C being incubated 4 hours, rear furnace cooling,
Wherein in annealing operation: annealing temperature 930 DEG C, keep 7h, after then cooling to 120 DEG C with the furnace, take out natural cooling in air；
Wherein in machining processes: machine according to medical surgery blade size；
Wherein quenching, in tempering process: the temperature of described Quenching Treatment is 1070 DEG C, the temperature of described temper is 540 DEG C,
Nitriding operation: temperature 910-920 DEG C of nitrogen gesture 0.4%, is incubated 3h, then raises nitrogen gesture to 0.7%, is incubated 4h, and furnace temperature is down to 850-860 DEG C afterwards, and nitrogen potential control is 1.2%；Insulation 7h, air cooling is to room temperature afterwards；Finally give medical surgery blade。
Foregoing invention content having the beneficial effects that relative to prior art: 1) disperse phase is by titanium nitride, zirconium carbide, chromium carbide, boron carbide in medical surgery blade of the present invention, and aluminium oxide composition improves the mechanical performance of material；2) composition of nickel-base alloy has higher-strength, then under the effect of disperse phase, steel bonded carbide intensity obtains further raising, and 3) mixed by powder, compacting sintering, annealing, machining, quenching, tempering process makes manufacturing process more simple, reduces cost；4) nitriding operation improves case hardness and the intensity of workpiece。
Detailed description of the invention
In order to the technical characteristic of the present invention, purpose and effect are more clearly understood from, now describe the specific embodiment of the present invention in detail。
Embodiment 1
A kind of medical surgery blade, surgery blade is used for disposable replaceable surgical knife, and surgery blade is mixed by disperse phase nickel-base alloy material powder, compacting sintering, annealing, machining, quenching, tempering, and nitriding operation is prepared from:
Disperse phase nickel-base alloy material powder includes disperse phase and nickel-base alloy, and disperse phase (weight) is by titanium nitride 50 parts, zirconium carbide 10 parts, chromium carbide 5 parts, boron carbide 4 parts, aluminium oxide 3 parts composition；Nickel-base alloy (weight) is by C0.5%, Si0.4%, Zr0.3%, Zn0.1%, Cd0.05%, W0.04%, Nd0.02%, Ce0.02%, and surplus is Ni composition；The weight ratio of disperse phase and nickel-base alloy is 0.3,
Wherein in powder mixed processes: weigh titanium nitride, zirconium carbide, chromium carbide, boron carbide, alumina powder mixes according to aforementioned proportion, carries out ball milling alloying according to ratio of grinding media to material 10:1, and abrading-ball is hardened steel ball, Ball-milling Time 80h, applies the high-purity argon gas of more than 99.9%, it is thus achieved that disperse phase powder；Weighing aforementioned proportion Co-based alloy powder, carry out ball milling alloying, Ball-milling Time 35h according to ratio of grinding media to material 7:1, interpolation dehydrated alcohol is process control agent, it is thus achieved that nickel-base alloy micropowder；Disperse phase powder and nickel-base alloy micropowder are mixed, ball milling 95 hours again, it is thus achieved that disperse phase nickel-base alloy mixed-powder；
Wherein in compacting sintering operation: the disperse phase nickel-base alloy mixed-powder of above-mentioned acquisition is dried, screening, it is pressed into required size shape；Then carrying out vacuum-sintering, 45 DEG C/min of heating rate carries out when being warming up to 1330 DEG C being incubated 4 hours, rear furnace cooling,
Wherein in annealing operation: annealing temperature 930 DEG C, keep 7h, after then cooling to 120 DEG C with the furnace, take out natural cooling in air；
Wherein in machining processes: machine according to medical surgery blade size；
Wherein quenching, in tempering process: the temperature of described Quenching Treatment is 1070 DEG C, the temperature of described temper is 540 DEG C,
Nitriding operation: 910 DEG C of nitrogen gesture 0.4% of temperature, is incubated 3h, then raises nitrogen gesture to 0.7%, is incubated 4h, and furnace temperature is down to 850 DEG C afterwards, and nitrogen potential control is 1.2%；Insulation 7h, air cooling is to room temperature afterwards；Finally give medical surgery blade。
Embodiment 2
A kind of medical surgery blade, surgery blade is used for disposable replaceable surgical knife, and surgery blade is mixed by disperse phase nickel-base alloy material powder, compacting sintering, annealing, machining, quenching, tempering, and nitriding operation is prepared from:
Disperse phase nickel-base alloy material powder includes disperse phase and nickel-base alloy, and disperse phase (weight) is by titanium nitride 60 parts, zirconium carbide 20 parts, chromium carbide 10 parts, boron carbide 4 parts, aluminium oxide 3 parts composition；Nickel-base alloy (weight) is by C0.6%, Si0.5%, Zr0.4%, Zn0.2%, Cd0.06%, W0.05%, Nd0.03%, Ce0.03%, and surplus is Ni composition；The weight ratio of disperse phase and nickel-base alloy is 0.3,
Wherein in powder mixed processes: weigh titanium nitride, zirconium carbide, chromium carbide, boron carbide, alumina powder mixes according to aforementioned proportion, carries out ball milling alloying according to ratio of grinding media to material 10:1, and abrading-ball is hardened steel ball, Ball-milling Time 80h, applies the high-purity argon gas of more than 99.9%, it is thus achieved that disperse phase powder；Weighing aforementioned proportion Co-based alloy powder, carry out ball milling alloying, Ball-milling Time 35h according to ratio of grinding media to material 7:1, interpolation dehydrated alcohol is process control agent, it is thus achieved that nickel-base alloy micropowder；Disperse phase powder and nickel-base alloy micropowder are mixed, ball milling 95 hours again, it is thus achieved that disperse phase nickel-base alloy mixed-powder；
Wherein in compacting sintering operation: the disperse phase nickel-base alloy mixed-powder of above-mentioned acquisition is dried, screening, it is pressed into required size shape；Then carrying out vacuum-sintering, 45 DEG C/min of heating rate carries out when being warming up to 1330 DEG C being incubated 4 hours, rear furnace cooling,
Wherein in annealing operation: annealing temperature 930 DEG C, keep 7h, after then cooling to 120 DEG C with the furnace, take out natural cooling in air；
Wherein in machining processes: machine according to medical surgery blade size；
Wherein quenching, in tempering process: the temperature of described Quenching Treatment is 1070 DEG C, the temperature of described temper is 540 DEG C,
Nitriding operation: 920 DEG C of nitrogen gesture 0.4% of temperature, is incubated 3h, then raises nitrogen gesture to 0.7%, is incubated 4h, and furnace temperature is down to 860 DEG C afterwards, and nitrogen potential control is 1.2%；Insulation 7h, air cooling is to room temperature afterwards；Finally give medical surgery blade。
Embodiment 3
A kind of medical surgery blade, surgery blade is used for disposable replaceable surgical knife, and surgery blade is mixed by disperse phase nickel-base alloy material powder, compacting sintering, annealing, machining, quenching, tempering, and nitriding operation is prepared from:
Disperse phase nickel-base alloy material powder includes disperse phase and nickel-base alloy, and disperse phase (weight) is by titanium nitride 55 parts, zirconium carbide 15 parts, chromium carbide 7 parts, boron carbide 4 parts, aluminium oxide 3 parts composition；Nickel-base alloy (weight) is by C0.55%, Si0.45%, Zr0.35%, Zn0.15%, Cd0.055%, W0.045%, Nd0.025%, Ce0.025%, and surplus is Ni composition；The weight ratio of disperse phase and nickel-base alloy is 0.3,
Wherein in powder mixed processes: weigh titanium nitride, zirconium carbide, chromium carbide, boron carbide, alumina powder mixes according to aforementioned proportion, carries out ball milling alloying according to ratio of grinding media to material 10:1, and abrading-ball is hardened steel ball, Ball-milling Time 80h, applies the high-purity argon gas of more than 99.9%, it is thus achieved that disperse phase powder；Weighing aforementioned proportion Co-based alloy powder, carry out ball milling alloying, Ball-milling Time 35h according to ratio of grinding media to material 7:1, interpolation dehydrated alcohol is process control agent, it is thus achieved that nickel-base alloy micropowder；Disperse phase powder and nickel-base alloy micropowder are mixed, ball milling 95 hours again, it is thus achieved that disperse phase nickel-base alloy mixed-powder；
Wherein in compacting sintering operation: the disperse phase nickel-base alloy mixed-powder of above-mentioned acquisition is dried, screening, it is pressed into required size shape；Then carrying out vacuum-sintering, 45 DEG C/min of heating rate carries out when being warming up to 1330 DEG C being incubated 4 hours, rear furnace cooling,
Wherein in annealing operation: annealing temperature 930 DEG C, keep 7h, after then cooling to 120 DEG C with the furnace, take out natural cooling in air；
Wherein in machining processes: machine according to medical surgery blade size；
Wherein quenching, in tempering process: the temperature of described Quenching Treatment is 1070 DEG C, the temperature of described temper is 540 DEG C,
Nitriding operation: 915 DEG C of nitrogen gesture 0.4% of temperature, is incubated 3h, then raises nitrogen gesture to 0.7%, is incubated 4h, and furnace temperature is down to 855 DEG C afterwards, and nitrogen potential control is 1.2%；Insulation 7h, air cooling is to room temperature afterwards；Finally give medical surgery blade。
Embodiment 4
A kind of medical surgery blade, surgery blade is used for disposable replaceable surgical knife, and surgery blade is mixed by disperse phase nickel-base alloy material powder, compacting sintering, annealing, machining, quenching, tempering, and nitriding operation is prepared from:
Disperse phase nickel-base alloy material powder includes disperse phase and nickel-base alloy, and disperse phase (weight) is by titanium nitride 53 parts, zirconium carbide 12 parts, chromium carbide 6 parts, boron carbide 4 parts, aluminium oxide 3 parts composition；Nickel-base alloy (weight) is by C0.52%, Si0.41%, Zr0.32%, Zn0.13%, Cd0.054%, W0.042%, Nd0.021%, Ce0.022%, and surplus is Ni composition；The weight ratio of disperse phase and nickel-base alloy is 0.3,
Wherein in powder mixed processes: weigh titanium nitride, zirconium carbide, chromium carbide, boron carbide, alumina powder mixes according to aforementioned proportion, carries out ball milling alloying according to ratio of grinding media to material 10:1, and abrading-ball is hardened steel ball, Ball-milling Time 80h, applies the high-purity argon gas of more than 99.9%, it is thus achieved that disperse phase powder；Weighing aforementioned proportion Co-based alloy powder, carry out ball milling alloying, Ball-milling Time 35h according to ratio of grinding media to material 7:1, interpolation dehydrated alcohol is process control agent, it is thus achieved that nickel-base alloy micropowder；Disperse phase powder and nickel-base alloy micropowder are mixed, ball milling 95 hours again, it is thus achieved that disperse phase nickel-base alloy mixed-powder；
Wherein in compacting sintering operation: the disperse phase nickel-base alloy mixed-powder of above-mentioned acquisition is dried, screening, it is pressed into required size shape；Then carrying out vacuum-sintering, 45 DEG C/min of heating rate carries out when being warming up to 1330 DEG C being incubated 4 hours, rear furnace cooling,
Wherein in annealing operation: annealing temperature 930 DEG C, keep 7h, after then cooling to 120 DEG C with the furnace, take out natural cooling in air；
Wherein in machining processes: machine according to medical surgery blade size；
Wherein quenching, in tempering process: the temperature of described Quenching Treatment is 1070 DEG C, the temperature of described temper is 540 DEG C,
Nitriding operation: 911 DEG C of nitrogen gesture 0.4% of temperature, is incubated 3h, then raises nitrogen gesture to 0.7%, is incubated 4h, and furnace temperature is down to 853 DEG C afterwards, and nitrogen potential control is 1.2%；Insulation 7h, air cooling is to room temperature afterwards；Finally give medical surgery blade。
Embodiment 5
A kind of medical surgery blade, surgery blade is used for disposable replaceable surgical knife, and surgery blade is mixed by disperse phase nickel-base alloy material powder, compacting sintering, annealing, machining, quenching, tempering, and nitriding operation is prepared from:
Disperse phase nickel-base alloy material powder includes disperse phase and nickel-base alloy, and disperse phase (weight) is by titanium nitride 58 parts, zirconium carbide 17 parts, chromium carbide 9 parts, boron carbide 4 parts, aluminium oxide 3 parts composition；Nickel-base alloy (weight) is by C0.58%, Si0.49%, Zr0.38%, Zn0.17%, Cd0.058%, W0.047%, Nd0.026%, Ce0.027%, and surplus is Ni composition；The weight ratio of disperse phase and nickel-base alloy is 0.3,
Wherein in powder mixed processes: weigh titanium nitride, zirconium carbide, chromium carbide, boron carbide, alumina powder mixes according to aforementioned proportion, carries out ball milling alloying according to ratio of grinding media to material 10:1, and abrading-ball is hardened steel ball, Ball-milling Time 80h, applies the high-purity argon gas of more than 99.9%, it is thus achieved that disperse phase powder；Weighing aforementioned proportion Co-based alloy powder, carry out ball milling alloying, Ball-milling Time 35h according to ratio of grinding media to material 7:1, interpolation dehydrated alcohol is process control agent, it is thus achieved that nickel-base alloy micropowder；Disperse phase powder and nickel-base alloy micropowder are mixed, ball milling 95 hours again, it is thus achieved that disperse phase nickel-base alloy mixed-powder；
Wherein in compacting sintering operation: the disperse phase nickel-base alloy mixed-powder of above-mentioned acquisition is dried, screening, it is pressed into required size shape；Then carrying out vacuum-sintering, 45 DEG C/min of heating rate carries out when being warming up to 1330 DEG C being incubated 4 hours, rear furnace cooling,
Wherein in annealing operation: annealing temperature 930 DEG C, keep 7h, after then cooling to 120 DEG C with the furnace, take out natural cooling in air；
Wherein in machining processes: machine according to medical surgery blade size；
Wherein quenching, in tempering process: the temperature of described Quenching Treatment is 1070 DEG C, the temperature of described temper is 540 DEG C,
Nitriding operation: 918 DEG C of nitrogen gesture 0.4% of temperature, is incubated 3h, then raises nitrogen gesture to 0.7%, is incubated 4h, and furnace temperature is down to 857 DEG C afterwards, and nitrogen potential control is 1.2%；Insulation 7h, air cooling is to room temperature afterwards；Finally give medical surgery blade。
Claims (10)
1. a medical surgery blade, surgery blade is used for disposable replaceable surgical knife, and surgery blade is mixed by disperse phase nickel-base alloy material powder, compacting sintering, annealing, machining, quenching, tempering, and nitriding operation is prepared from:
Disperse phase nickel-base alloy material powder includes disperse phase powder and Co-based alloy powder, and disperse phase powder (weight) is by titanium nitride 50-60 part, zirconium carbide 10-20 part, chromium carbide 5-10 part, boron carbide 4 parts, aluminium oxide 3 parts composition；Nickel-base alloy (weight) is by C0.5-0.6%, Si0.4-0.5%, Zr0.3-0.4%, Zn0.1-0.2%, Cd0.05-0.06%, W0.04-0.05%, Nd0.02-0.03%, Ce0.02-0.03%, and surplus is Ni composition；The weight ratio of disperse phase powder and Co-based alloy powder is 0.3,
Wherein in powder mixed processes: weigh titanium nitride, zirconium carbide, chromium carbide, boron carbide, alumina powder mixes according to aforementioned proportion, carries out ball milling alloying according to ratio of grinding media to material 10:1, and abrading-ball is hardened steel ball, Ball-milling Time 80h, applies the high-purity argon gas of more than 99.9%, it is thus achieved that disperse phase powder；Weighing aforementioned proportion Co-based alloy powder, carry out ball milling alloying, Ball-milling Time 35h according to ratio of grinding media to material 7:1, interpolation dehydrated alcohol is process control agent, it is thus achieved that nickel-base alloy micropowder；Disperse phase powder and nickel-base alloy micropowder are mixed, ball milling 95 hours again, it is thus achieved that disperse phase nickel-base alloy mixed-powder；
Wherein in compacting sintering operation: the disperse phase nickel-base alloy mixed-powder of above-mentioned acquisition is dried, screening, it is pressed into required size shape；Then carrying out vacuum-sintering, 45 DEG C/min of heating rate carries out when being warming up to 1330 DEG C being incubated 4 hours, rear furnace cooling,
Wherein in annealing operation: annealing temperature 930 DEG C, keep 7h, after then cooling to 120 DEG C with the furnace, take out natural cooling in air；
Wherein in machining processes: machine according to medical surgery blade size；
Wherein quenching, in tempering process: the temperature of described Quenching Treatment is 1070 DEG C, the temperature of described temper is 540 DEG C,
Nitriding operation: temperature 910-920 DEG C of nitrogen gesture 0.4%, is incubated 3h, then raises nitrogen gesture to 0.7%, is incubated 4h, and furnace temperature is down to 850-860 DEG C afterwards, and nitrogen potential control is 1.2%；Insulation 7h, air cooling is to room temperature afterwards；Finally give medical surgery blade。
2. a kind of medical surgery blade as claimed in claim 1, nitriding operation: 910 DEG C of nitrogen gesture 0.4% of temperature, be incubated 3h, then raises nitrogen gesture to 0.7%, is incubated 4h, and furnace temperature is down to 850 DEG C afterwards, and nitrogen potential control is 1.2%；Insulation 7h, air cooling is to room temperature afterwards；Finally give medical surgery blade。
3. a kind of medical surgery blade as claimed in claim 4, nitriding operation: 920 DEG C of nitrogen gesture 0.4% of temperature, be incubated 3h, then raises nitrogen gesture to 0.7%, is incubated 4h, and furnace temperature is down to 860 DEG C afterwards, and nitrogen potential control is 1.2%；Insulation 7h, air cooling is to room temperature afterwards；Finally give medical surgery blade。
4. a kind of medical surgery blade as claimed in claim 1, nitriding operation: 915 DEG C of nitrogen gesture 0.4% of temperature, be incubated 3h, then raises nitrogen gesture to 0.7%, is incubated 4h, and furnace temperature is down to 855 DEG C afterwards, and nitrogen potential control is 1.2%；Insulation 7h, air cooling is to room temperature afterwards；Finally give medical surgery blade。
5. a kind of medical surgery blade as claimed in claim 1, disperse phase (weight) is by titanium nitride 50 parts, zirconium carbide 10 parts, chromium carbide 5 parts, boron carbide 4 parts, aluminium oxide 3 parts composition。
6. medical surgery blade as claimed in claim 1 a kind of, disperse phase (weight) by titanium nitride 60 parts, (zirconium carbide 20 parts), chromium carbide 10 parts, boron carbide 4 parts, aluminium oxide 3 parts composition。
7. a kind of medical surgery blade as claimed in claim 1, disperse phase (weight) is by titanium nitride 55 parts, zirconium carbide 15 parts, chromium carbide 7 parts, boron carbide 4 parts, aluminium oxide 3 parts composition。
8. a kind of medical surgery blade as claimed in claim 1, nickel-base alloy (weight) is by C0.5%, Si0.4%, Zr0.3%, Zn0.1%, Cd0.05%, W0.04%, Nd0.02%, Ce0.02%, and surplus is Ni composition。
9. a kind of medical surgery blade as claimed in claim 1, nickel-base alloy (weight) is by C0.6%, Si0.5%, Zr0.4%, Zn0.2%, Cd0.06%, W0.05%, Nd0.03%, Ce0.03%, and surplus is Ni composition。
10. a kind of medical surgery blade as claimed in claim 1, nickel-base alloy (weight) is by C0.55%, Si0.45%, Zr0.35%, Zn0.15%, Cd0.055%, W0.045%, Nd0.025%, Ce0.025%, and surplus is Ni composition。
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