CN105734376A - Draw hook as medical equipment for gynaecology department - Google Patents
Draw hook as medical equipment for gynaecology department Download PDFInfo
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
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- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
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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
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
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- C22C32/0047—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 carbides, nitrides, borides or silicides as the main non-metallic constituents
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Abstract
The invention discloses a draw hook as medical equipment for a gynaecology department. The draw hook comprises a hook body part and a handle body part; the two parts are integrally formed by pressing and sintering powder; components of a chromium alloy have higher strength; the strength of the chromium alloy is further improved under the action of a dispersed phase; and the surface hardness and strength of workpieces are improved by a nitriding procedure.
Description
Technical field
The present invention relates to a kind of gynecological medical apparatus and instruments drag hook, belongs to technical field of medical instruments.
Background technology
Gynecological laparoscopic operation is more and more extensive in the application of Gynecology, along with extensively carrying out of laparoscopic technique, pneumoperitoneum in laparoscopic technique process, the untoward reaction that general anesthesia and use electrical instrument are brought is more and more concerned, and there is the little cicatrix of abdominal part, affecting attractive in appearance, therefore, Wicresoft of the world experts point out that laparoscopic technique is an operating revolution.Clinically when carrying out gynecological's abdominal incision operation to patient, being with surgery tractor tractive stomach wall mostly, successively separate, the technique of existing manufacture drag hook is complex, and manufacturing cost is high.
Summary of the invention
A kind of gynecological medical apparatus and instruments drag hook, gynecological's medical apparatus and instruments drag hook includes coupler body part and shank body part, and two parts are integrally formed by powder compacting sintering, concrete steps include: disperse phase chromium-base alloy material powder mixes, compacting sintering, annealing, quenching, tempering, nitriding operation is prepared from:
Disperse phase chromium-base alloy material powder includes disperse phase and chromium-base alloy, and disperse phase (weight) is by titanium nitride 70-80 part, niobium carbide 20-30 part, boron carbide 10-20 part, aluminium oxide 5 parts, six calcium boride 4 parts compositions；Chromium-base alloy (weight) is by Si6-7%, Fe10-20%, Co0.7-0.8%, Zn0.1-0.2%, Cd0.05-0.06%, Ce0.05-0.06%, Ta0.02-0.03%, Pr0.02-0.03%, and surplus is Cr composition；The weight ratio of disperse phase and chromium-base alloy is 0.5,
Wherein in powder mixed processes: weigh titanium nitride, niobium carbide, boron carbide, aluminium oxide, six calcium boride powder mix according to aforementioned proportion, carry out ball milling alloying according to ratio of grinding media to material 13:1, and abrading-ball is hardened steel ball, Ball-milling Time 54h, applies the high-purity argon gas of more than 99.9%, it is thus achieved that disperse phase powder；Weighing aforementioned proportion chromium-base alloy powder, carry out ball milling alloying, Ball-milling Time 47h according to ratio of grinding media to material 5:1, interpolation dehydrated alcohol is process control agent, it is thus achieved that chromium-base alloy micropowder；Disperse phase powder and chromium-base alloy micropowder are mixed, ball milling 64 hours again, it is thus achieved that disperse phase chromium-base alloy mixed-powder；
Wherein in compacting sintering operation: the disperse phase chromium-base alloy mixed-powder of above-mentioned acquisition is dried, screening, it is pressed into the size shape of required product；Then carrying out vacuum-sintering, 20 DEG C/min of heating rate carries out when being warming up to 1640 DEG C being incubated 6 hours, rear furnace cooling,
Wherein in annealing operation: annealing temperature 1120 DEG C, keep 8h, after then cooling to 140 DEG C with the furnace, take out natural cooling in air；
Wherein quenching, in tempering process: the temperature of described Quenching Treatment is 1110-1120 DEG C, the temperature of described temper is 670-680 DEG C,
Nitriding operation: 870 DEG C of nitrogen gesture 0.5% of temperature, is incubated 3h, then raises nitrogen gesture to 0.8%, is incubated 4h, and furnace temperature is down to 800 DEG C afterwards, and nitrogen potential control is 1.1%；Insulation 7h, air cooling is to room temperature afterwards；Finally give gynecological's medical apparatus and instruments drag hook.
Described a kind of gynecological medical apparatus and instruments drag hook, chromium-base alloy (weight) is by Si6%, Fe10%, Co0.7%, Zn0.1%, Cd0.05%, Ce0.05%, Ta0.02%, Pr0.02%, and surplus is Cr composition.
Described a kind of gynecological medical apparatus and instruments drag hook, chromium-base alloy (weight) is by Si7%, Fe20%, Co0.8%, Zn0.2%, Cd0.06%, Ce0.06%, Ta0.03%, Pr0.03%, and surplus is Cr composition.
Described a kind of gynecological medical apparatus and instruments drag hook, chromium-base alloy (weight) is by Si6.5%, Fe15%, Co0.75%, Zn0.15%, Cd0.055%, Ce0.055%, Ta0.025%, Pr0.025%, and surplus is Cr composition.
Described a kind of gynecological medical apparatus and instruments drag hook, disperse phase (weight) is by titanium nitride 70 parts, niobium carbide 20 parts, boron carbide 10 parts, aluminium oxide 5 parts, six calcium boride 4 parts compositions.
Described a kind of gynecological medical apparatus and instruments drag hook, disperse phase (weight) is by titanium nitride 80 parts, niobium carbide 30 parts, boron carbide 20 parts, aluminium oxide 5 parts, six calcium boride 4 parts compositions.
Described a kind of gynecological medical apparatus and instruments drag hook, disperse phase (weight) is by titanium nitride 75 parts, niobium carbide 25 parts, boron carbide 15 parts, aluminium oxide 5 parts, six calcium boride 4 parts compositions.
Described a kind of gynecological medical apparatus and instruments drag hook, wherein quenches, in tempering process: the temperature of described Quenching Treatment is 1110 DEG C, and the temperature of described temper is 670 DEG C.
Described a kind of gynecological medical apparatus and instruments drag hook, wherein quenches, in tempering process: the temperature of described Quenching Treatment is 1120 DEG C, and the temperature of described temper is 680 DEG C.
Described a kind of gynecological medical apparatus and instruments drag hook, wherein quenches, in tempering process: the temperature of described Quenching Treatment is 1115 DEG C, and the temperature of described temper is 675 DEG C.
A kind of manufacture method of gynecological medical apparatus and instruments drag hook, gynecological's medical apparatus and instruments drag hook includes coupler body part and shank body part, two parts are integrally formed by powder compacting sintering, concrete steps include: disperse phase chromium-base alloy material powder mixes, compacting sintering, annealing, quenching, tempering, nitriding operation is prepared from:
Disperse phase chromium-base alloy material powder includes disperse phase and chromium-base alloy, and disperse phase (weight) is by titanium nitride 70-80 part, niobium carbide 20-30 part, boron carbide 10-20 part, aluminium oxide 5 parts, six calcium boride 4 parts compositions；Chromium-base alloy (weight) is by Si6-7%, Fe10-20%, Co0.7-0.8%, Zn0.1-0.2%, Cd0.05-0.06%, Ce0.05-0.06%, Ta0.02-0.03%, Pr0.02-0.03%, and surplus is Cr composition；The weight ratio of disperse phase and chromium-base alloy is 0.5,
Wherein in powder mixed processes: weigh titanium nitride, niobium carbide, boron carbide, aluminium oxide, six calcium boride powder mix according to aforementioned proportion, carry out ball milling alloying according to ratio of grinding media to material 13:1, and abrading-ball is hardened steel ball, Ball-milling Time 54h, applies the high-purity argon gas of more than 99.9%, it is thus achieved that disperse phase powder；Weighing aforementioned proportion chromium-base alloy powder, carry out ball milling alloying, Ball-milling Time 47h according to ratio of grinding media to material 5:1, interpolation dehydrated alcohol is process control agent, it is thus achieved that chromium-base alloy micropowder；Disperse phase powder and chromium-base alloy micropowder are mixed, ball milling 64 hours again, it is thus achieved that disperse phase chromium-base alloy mixed-powder；
Wherein in compacting sintering operation: the disperse phase chromium-base alloy mixed-powder of above-mentioned acquisition is dried, screening, it is pressed into the size shape of required product；Then carrying out vacuum-sintering, 20 DEG C/min of heating rate carries out when being warming up to 1640 DEG C being incubated 6 hours, rear furnace cooling,
Wherein in annealing operation: annealing temperature 1120 DEG C, keep 8h, after then cooling to 140 DEG C with the furnace, take out natural cooling in air；
Wherein quenching, in tempering process: the temperature of described Quenching Treatment is 1110-1120 DEG C, the temperature of described temper is 670-680 DEG C,
Nitriding operation: 870 DEG C of nitrogen gesture 0.5% of temperature, is incubated 3h, then raises nitrogen gesture to 0.8%, is incubated 4h, and furnace temperature is down to 800 DEG C afterwards, and nitrogen potential control is 1.1%；Insulation 7h, air cooling is to room temperature afterwards；Finally give gynecological's medical apparatus and instruments drag hook.
Foregoing invention content having the beneficial effects that relative to prior art: 1) disperse phase is by titanium nitride, niobium carbide, boron carbide, aluminium oxide in gynecological of the present invention medical apparatus and instruments drag hook, and six calcium borides compositions improve the mechanical performance of material；2) composition of evanohm has higher-strength, then under the effect of disperse phase, evanohm intensity obtains further raising, and 3) material powder mixing, compacting sintering, annealing, 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 gynecological medical apparatus and instruments drag hook, gynecological's medical apparatus and instruments drag hook includes coupler body part and shank body part, and two parts are integrally formed by powder compacting sintering, concrete steps include: disperse phase chromium-base alloy material powder mixes, compacting sintering, annealing, quenching, tempering, nitriding operation is prepared from:
Disperse phase chromium-base alloy material powder includes disperse phase and chromium-base alloy, and disperse phase (weight) is by titanium nitride 70 parts, niobium carbide 20 parts, boron carbide 10 parts, aluminium oxide 5 parts, six calcium boride 4 parts compositions；Chromium-base alloy (weight) is by Si6%, Fe10%, Co0.7%, Zn0.1%, Cd0.05%, Ce0.05%, Ta0.02%, Pr0.02%, and surplus is Cr composition；The weight ratio of disperse phase and chromium-base alloy is 0.5,
Wherein in powder mixed processes: weigh titanium nitride, niobium carbide, boron carbide, aluminium oxide, six calcium boride powder mix according to aforementioned proportion, carry out ball milling alloying according to ratio of grinding media to material 13:1, and abrading-ball is hardened steel ball, Ball-milling Time 54h, applies the high-purity argon gas of more than 99.9%, it is thus achieved that disperse phase powder；Weighing aforementioned proportion chromium-base alloy powder, carry out ball milling alloying, Ball-milling Time 47h according to ratio of grinding media to material 5:1, interpolation dehydrated alcohol is process control agent, it is thus achieved that chromium-base alloy micropowder；Disperse phase powder and chromium-base alloy micropowder are mixed, ball milling 64 hours again, it is thus achieved that disperse phase chromium-base alloy mixed-powder；
Wherein in compacting sintering operation: the disperse phase chromium-base alloy mixed-powder of above-mentioned acquisition is dried, screening, it is pressed into the size shape of required product；Then carrying out vacuum-sintering, 20 DEG C/min of heating rate carries out when being warming up to 1640 DEG C being incubated 6 hours, rear furnace cooling,
Wherein in annealing operation: annealing temperature 1120 DEG C, keep 8h, after then cooling to 140 DEG C with the furnace, take out natural cooling in air；
Wherein quenching, in tempering process: the temperature of described Quenching Treatment is 1110 DEG C, the temperature of described temper is 670 DEG C,
Nitriding operation: 870 DEG C of nitrogen gesture 0.5% of temperature, is incubated 3h, then raises nitrogen gesture to 0.8%, is incubated 4h, and furnace temperature is down to 800 DEG C afterwards, and nitrogen potential control is 1.1%；Insulation 7h, air cooling is to room temperature afterwards；Finally give gynecological's medical apparatus and instruments drag hook.
Embodiment 2
A kind of gynecological medical apparatus and instruments drag hook, gynecological's medical apparatus and instruments drag hook includes coupler body part and shank body part, and two parts are integrally formed by powder compacting sintering, concrete steps include: disperse phase chromium-base alloy material powder mixes, compacting sintering, annealing, quenching, tempering, nitriding operation is prepared from:
Disperse phase chromium-base alloy material powder includes disperse phase and chromium-base alloy, and disperse phase (weight) is by titanium nitride 80 parts, niobium carbide 30 parts, boron carbide 20 parts, aluminium oxide 5 parts, six calcium boride 4 parts compositions；Chromium-base alloy (weight) is by Si7%, Fe20%, Co0.8%, Zn0.2%, Cd0.06%, Ce0.06%, Ta0.03%, Pr0.03%, and surplus is Cr composition；The weight ratio of disperse phase and chromium-base alloy is 0.5,
Wherein in powder mixed processes: weigh titanium nitride, niobium carbide, boron carbide, aluminium oxide, six calcium boride powder mix according to aforementioned proportion, carry out ball milling alloying according to ratio of grinding media to material 13:1, and abrading-ball is hardened steel ball, Ball-milling Time 54h, applies the high-purity argon gas of more than 99.9%, it is thus achieved that disperse phase powder；Weighing aforementioned proportion chromium-base alloy powder, carry out ball milling alloying, Ball-milling Time 47h according to ratio of grinding media to material 5:1, interpolation dehydrated alcohol is process control agent, it is thus achieved that chromium-base alloy micropowder；Disperse phase powder and chromium-base alloy micropowder are mixed, ball milling 64 hours again, it is thus achieved that disperse phase chromium-base alloy mixed-powder；
Wherein in compacting sintering operation: the disperse phase chromium-base alloy mixed-powder of above-mentioned acquisition is dried, screening, it is pressed into the size shape of required product；Then carrying out vacuum-sintering, 20 DEG C/min of heating rate carries out when being warming up to 1640 DEG C being incubated 6 hours, rear furnace cooling,
Wherein in annealing operation: annealing temperature 1120 DEG C, keep 8h, after then cooling to 140 DEG C with the furnace, take out natural cooling in air；
Wherein quenching, in tempering process: the temperature of described Quenching Treatment is 1120 DEG C, the temperature of described temper is 680 DEG C,
Nitriding operation: 870 DEG C of nitrogen gesture 0.5% of temperature, is incubated 3h, then raises nitrogen gesture to 0.8%, is incubated 4h, and furnace temperature is down to 800 DEG C afterwards, and nitrogen potential control is 1.1%；Insulation 7h, air cooling is to room temperature afterwards；Finally give gynecological's medical apparatus and instruments drag hook.
Embodiment 3
A kind of gynecological medical apparatus and instruments drag hook, gynecological's medical apparatus and instruments drag hook includes coupler body part and shank body part, and two parts are integrally formed by powder compacting sintering, concrete steps include: disperse phase chromium-base alloy material powder mixes, compacting sintering, annealing, quenching, tempering, nitriding operation is prepared from:
Disperse phase chromium-base alloy material powder includes disperse phase and chromium-base alloy, and disperse phase (weight) is by titanium nitride 75 parts, niobium carbide 25 parts, boron carbide 15 parts, aluminium oxide 5 parts, six calcium boride 4 parts compositions；Chromium-base alloy (weight) is by Si6.5%, Fe15%, Co0.75%, Zn0.15%, Cd0.055%, Ce0.055%, Ta0.025%, Pr0.025%, and surplus is Cr composition；The weight ratio of disperse phase and chromium-base alloy is 0.5,
Wherein in powder mixed processes: weigh titanium nitride, niobium carbide, boron carbide, aluminium oxide, six calcium boride powder mix according to aforementioned proportion, carry out ball milling alloying according to ratio of grinding media to material 13:1, and abrading-ball is hardened steel ball, Ball-milling Time 54h, applies the high-purity argon gas of more than 99.9%, it is thus achieved that disperse phase powder；Weighing aforementioned proportion chromium-base alloy powder, carry out ball milling alloying, Ball-milling Time 47h according to ratio of grinding media to material 5:1, interpolation dehydrated alcohol is process control agent, it is thus achieved that chromium-base alloy micropowder；Disperse phase powder and chromium-base alloy micropowder are mixed, ball milling 64 hours again, it is thus achieved that disperse phase chromium-base alloy mixed-powder；
Wherein in compacting sintering operation: the disperse phase chromium-base alloy mixed-powder of above-mentioned acquisition is dried, screening, it is pressed into the size shape of required product；Then carrying out vacuum-sintering, 20 DEG C/min of heating rate carries out when being warming up to 1640 DEG C being incubated 6 hours, rear furnace cooling,
Wherein in annealing operation: annealing temperature 1120 DEG C, keep 8h, after then cooling to 140 DEG C with the furnace, take out natural cooling in air；
Wherein quenching, in tempering process: the temperature of described Quenching Treatment is 1115 DEG C, the temperature of described temper is 675 DEG C,
Nitriding operation: 870 DEG C of nitrogen gesture 0.5% of temperature, is incubated 3h, then raises nitrogen gesture to 0.8%, is incubated 4h, and furnace temperature is down to 800 DEG C afterwards, and nitrogen potential control is 1.1%；Insulation 7h, air cooling is to room temperature afterwards；Finally give gynecological's medical apparatus and instruments drag hook.
Embodiment 4
A kind of gynecological medical apparatus and instruments drag hook, gynecological's medical apparatus and instruments drag hook includes coupler body part and shank body part, and two parts are integrally formed by powder compacting sintering, concrete steps include: disperse phase chromium-base alloy material powder mixes, compacting sintering, annealing, quenching, tempering, nitriding operation is prepared from:
Disperse phase chromium-base alloy material powder includes disperse phase and chromium-base alloy, and disperse phase (weight) is by titanium nitride 73 parts, niobium carbide 21 parts, boron carbide 12 parts, aluminium oxide 5 parts, six calcium boride 4 parts compositions；Chromium-base alloy (weight) is by Si6.4%, Fe13%, Co0.72%, Zn0.11%, Cd0.054%, Ce0.054%, Ta0.023%, Pr0.022%, and surplus is Cr composition；The weight ratio of disperse phase and chromium-base alloy is 0.5,
Wherein in powder mixed processes: weigh titanium nitride, niobium carbide, boron carbide, aluminium oxide, six calcium boride powder mix according to aforementioned proportion, carry out ball milling alloying according to ratio of grinding media to material 13:1, and abrading-ball is hardened steel ball, Ball-milling Time 54h, applies the high-purity argon gas of more than 99.9%, it is thus achieved that disperse phase powder；Weighing aforementioned proportion chromium-base alloy powder, carry out ball milling alloying, Ball-milling Time 47h according to ratio of grinding media to material 5:1, interpolation dehydrated alcohol is process control agent, it is thus achieved that chromium-base alloy micropowder；Disperse phase powder and chromium-base alloy micropowder are mixed, ball milling 64 hours again, it is thus achieved that disperse phase chromium-base alloy mixed-powder；
Wherein in compacting sintering operation: the disperse phase chromium-base alloy mixed-powder of above-mentioned acquisition is dried, screening, it is pressed into the size shape of required product；Then carrying out vacuum-sintering, 20 DEG C/min of heating rate carries out when being warming up to 1640 DEG C being incubated 6 hours, rear furnace cooling,
Wherein in annealing operation: annealing temperature 1120 DEG C, keep 8h, after then cooling to 140 DEG C with the furnace, take out natural cooling in air；
Wherein quenching, in tempering process: the temperature of described Quenching Treatment is 1113 DEG C, the temperature of described temper is 674 DEG C,
Nitriding operation: 870 DEG C of nitrogen gesture 0.5% of temperature, is incubated 3h, then raises nitrogen gesture to 0.8%, is incubated 4h, and furnace temperature is down to 800 DEG C afterwards, and nitrogen potential control is 1.1%；Insulation 7h, air cooling is to room temperature afterwards；Finally give gynecological's medical apparatus and instruments drag hook.
Embodiment 5
A kind of gynecological medical apparatus and instruments drag hook, gynecological's medical apparatus and instruments drag hook includes coupler body part and shank body part, and two parts are integrally formed by powder compacting sintering, concrete steps include: disperse phase chromium-base alloy material powder mixes, compacting sintering, annealing, quenching, tempering, nitriding operation is prepared from:
Disperse phase chromium-base alloy material powder includes disperse phase and chromium-base alloy, and disperse phase (weight) is by titanium nitride 77 parts, niobium carbide 28 parts, boron carbide 17 parts, aluminium oxide 5 parts, six calcium boride 4 parts compositions；Chromium-base alloy (weight) is by Si6.7%, Fe16%, Co0.77%, Zn0.18%, Cd0.059%, Ce0.058%, Ta0.027%, Pr0.026%, and surplus is Cr composition；The weight ratio of disperse phase and chromium-base alloy is 0.5,
Wherein in powder mixed processes: weigh titanium nitride, niobium carbide, boron carbide, aluminium oxide, six calcium boride powder mix according to aforementioned proportion, carry out ball milling alloying according to ratio of grinding media to material 13:1, and abrading-ball is hardened steel ball, Ball-milling Time 54h, applies the high-purity argon gas of more than 99.9%, it is thus achieved that disperse phase powder；Weighing aforementioned proportion chromium-base alloy powder, carry out ball milling alloying, Ball-milling Time 47h according to ratio of grinding media to material 5:1, interpolation dehydrated alcohol is process control agent, it is thus achieved that chromium-base alloy micropowder；Disperse phase powder and chromium-base alloy micropowder are mixed, ball milling 64 hours again, it is thus achieved that disperse phase chromium-base alloy mixed-powder；
Wherein in compacting sintering operation: the disperse phase chromium-base alloy mixed-powder of above-mentioned acquisition is dried, screening, it is pressed into the size shape of required product；Then carrying out vacuum-sintering, 20 DEG C/min of heating rate carries out when being warming up to 1640 DEG C being incubated 6 hours, rear furnace cooling,
Wherein in annealing operation: annealing temperature 1120 DEG C, keep 8h, after then cooling to 140 DEG C with the furnace, take out natural cooling in air；
Wherein quenching, in tempering process: the temperature of described Quenching Treatment is 1117 DEG C, the temperature of described temper is 676 DEG C,
Nitriding operation: 870 DEG C of nitrogen gesture 0.5% of temperature, is incubated 3h, then raises nitrogen gesture to 0.8%, is incubated 4h, and furnace temperature is down to 800 DEG C afterwards, and nitrogen potential control is 1.1%；Insulation 7h, air cooling is to room temperature afterwards；Finally give gynecological's medical apparatus and instruments drag hook.
Claims (10)
1. gynecological's medical apparatus and instruments drag hook, gynecological's medical apparatus and instruments drag hook includes coupler body part and shank body part, and two parts are integrally formed by powder compacting sintering, concrete steps include: disperse phase chromium-base alloy material powder mixes, compacting sintering, annealing, quenching, tempering, nitriding operation is prepared from:
Disperse phase chromium-base alloy material powder includes disperse phase powder and chromium-base alloy powder, and disperse phase powder (weight) is by titanium nitride 70-80 part, niobium carbide 20-30 part, boron carbide 10-20 part, aluminium oxide 5 parts, six calcium boride 4 parts compositions；Chromium-base alloy (weight) is by Si6-7%, Fe10-20%, Co0.7-0.8%, Zn0.1-0.2%, Cd0.05-0.06%, Ce0.05-0.06%, Ta0.02-0.03%, Pr0.02-0.03%, and surplus is Cr composition；The weight ratio of disperse phase powder and chromium-base alloy powder is 0.5,
Wherein in powder mixed processes: weigh titanium nitride, niobium carbide, boron carbide, aluminium oxide, six calcium boride powder mix according to aforementioned proportion, carry out ball milling alloying according to ratio of grinding media to material 13:1, and abrading-ball is hardened steel ball, Ball-milling Time 54h, applies the high-purity argon gas of more than 99.9%, it is thus achieved that disperse phase powder；Weighing aforementioned proportion chromium-base alloy powder, carry out ball milling alloying, Ball-milling Time 47h according to ratio of grinding media to material 5:1, interpolation dehydrated alcohol is process control agent, it is thus achieved that chromium-base alloy micropowder；Disperse phase powder and chromium-base alloy micropowder are mixed, ball milling 64 hours again, it is thus achieved that disperse phase chromium-base alloy mixed-powder；
Wherein in compacting sintering operation: the disperse phase chromium-base alloy mixed-powder of above-mentioned acquisition is dried, screening, it is pressed into the size shape of required product；Then carrying out vacuum-sintering, 20 DEG C/min of heating rate carries out when being warming up to 1640 DEG C being incubated 6 hours, rear furnace cooling,
Wherein in annealing operation: annealing temperature 1120 DEG C, keep 8h, after then cooling to 140 DEG C with the furnace, take out natural cooling in air；
Wherein quench, in tempering process: the temperature of described Quenching Treatment is about 1110-1120 DEG C, and the temperature of described temper is 670-680 DEG C,
Nitriding operation: 870 DEG C of nitrogen gesture 0.5% of temperature, is incubated 3h, then raises nitrogen gesture to 0.8%, is incubated 4h, and furnace temperature is down to 800 DEG C afterwards, and nitrogen potential control is 1.1%；Insulation 7h, air cooling is to room temperature afterwards；Finally give gynecological's medical apparatus and instruments drag hook.
2. a kind of gynecological as claimed in claim 1 medical apparatus and instruments drag hook, chromium-base alloy (weight) is by Si6%, Fe10%, Co0.7%, Zn0.1%, Cd0.05%, Ce0.05%, Ta0.02%, Pr0.02%, and surplus is Cr composition.
3. a kind of gynecological as claimed in claim 1 medical apparatus and instruments drag hook, chromium-base alloy (weight) is by Si7%, Fe20%, Co0.8%, Zn0.2%, Cd0.06%, Ce0.06%, Ta0.03%, Pr0.03%, and surplus is Cr composition.
4. a kind of gynecological as claimed in claim 1 medical apparatus and instruments drag hook, chromium-base alloy (weight) is by Si6.5%, Fe15%, Co0.75%, Zn0.15%, Cd0.055%, Ce0.055%, Ta0.025%, Pr0.025%, and surplus is Cr composition.
5. a kind of gynecological as claimed in claim 1 medical apparatus and instruments drag hook, disperse phase (weight) is by titanium nitride 70 parts, niobium carbide 20 parts, boron carbide 10 parts, aluminium oxide 5 parts, six calcium boride 4 parts compositions.
6. a kind of gynecological as claimed in claim 1 medical apparatus and instruments drag hook, disperse phase (weight) is by titanium nitride 80 parts, niobium carbide 30 parts, boron carbide 20 parts, aluminium oxide 5 parts, six calcium boride 4 parts compositions.
7. a kind of gynecological as claimed in claim 1 medical apparatus and instruments drag hook, disperse phase (weight) is by titanium nitride 75 parts, niobium carbide 25 parts, boron carbide 15 parts, aluminium oxide 5 parts, six calcium boride 4 parts compositions.
8. a kind of gynecological as claimed in claim 1 medical apparatus and instruments drag hook, wherein quenches, in tempering process: the temperature of described Quenching Treatment is 1110 DEG C, and the temperature of described temper is 670 DEG C.
9. a kind of gynecological as claimed in claim 1 medical apparatus and instruments drag hook, wherein quenches, in tempering process: the temperature of described Quenching Treatment is 1120 DEG C, and the temperature of described temper is 680 DEG C.
10. a kind of gynecological as claimed in claim 1 medical apparatus and instruments drag hook, wherein quenches, in tempering process: the temperature of described Quenching Treatment is 1115 DEG C, and the temperature of described temper is 675 DEG C.
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| CN201610098175.XA CN105734376A (en) | 2016-02-23 | 2016-02-23 | Draw hook as medical equipment for gynaecology department |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102499730A (en) * | 2011-10-20 | 2012-06-20 | 杭州康基医疗器械有限公司 | Laparoscopic surgical retractor, retractor head for laparoscopic surgery, retractor head main body and manufacturing method thereof |
| CN103422000A (en) * | 2012-05-14 | 2013-12-04 | 东睦新材料集团股份有限公司 | Chromium-based alloy material and production method thereof |
| CN104711441A (en) * | 2013-12-12 | 2015-06-17 | 通用电气公司 | Particulate strengthened alloy articles and methods of forming |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102499730A (en) * | 2011-10-20 | 2012-06-20 | 杭州康基医疗器械有限公司 | Laparoscopic surgical retractor, retractor head for laparoscopic surgery, retractor head main body and manufacturing method thereof |
| CN103422000A (en) * | 2012-05-14 | 2013-12-04 | 东睦新材料集团股份有限公司 | Chromium-based alloy material and production method thereof |
| CN104711441A (en) * | 2013-12-12 | 2015-06-17 | 通用电气公司 | Particulate strengthened alloy articles and methods of forming |
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