CN107717354A - A kind of preparation method of body implant titanium alloy rod bar - Google Patents
A kind of preparation method of body implant titanium alloy rod bar Download PDFInfo
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- CN107717354A CN107717354A CN201711079162.9A CN201711079162A CN107717354A CN 107717354 A CN107717354 A CN 107717354A CN 201711079162 A CN201711079162 A CN 201711079162A CN 107717354 A CN107717354 A CN 107717354A
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- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Abstract
The invention discloses a kind of body implant titanium alloy rod bar, including following main component：Iron：2 ~ 4%, chromium：0.3 ~ 0.6%, gallium：0.5 ~ 0.9%, tin：0.2 ~ 0.6%, aluminium：1 ~ 2%, cobalt：0.1 ~ 0.3%, boron：0.1 ~ 0.4%, cerium：0.12 ~ 0.18%, lithium 0.15 ~ 0.22%, surplus are titanium.Its preparation method, comprise the following steps：Batch mixing；Forging：By pre-warmed raw material, the melting in high vacuum arc heating furnace, after melting, ingot blank is cast into；Then cogging forging is carried out using quick forging machine；Upsetting pull is forged；Finish forge is made；Shaping；Bar is aligned, and then by cutting, is made annealing treatment after the completion of cutting；Finishing and surface treatment；Titanium alloy rod bar prepared by the present invention, excellent performance, it is adapted to produce in enormous quantities, machining accuracy height is not ftractureed, high in machining efficiency, and extraordinary material selection is provided for body implant bar.
Description
Technical field
The present invention relates to titanium alloy technical field, more particularly to a kind of preparation method of body implant titanium alloy rod bar.
Background technology
The pure titanium of body implant has obtained accreditation and the favorable comment in market through application in a few years, it is single with deeper into grind
Study carefully, it is found that pure titanium can not meet required intensity requirement, it is necessary to higher intensity for the larger damage location of some stress
Metal meet needs.Titanium alloy has the characteristics that intensity height, corrosion resistance and good are widely used in every field, this hair
It is bright that a kind of preparation method of the titanium alloy rod bar suitable for human body implantation is provided.
The content of the invention
Based on technical problem existing for background technology, the present invention proposes a kind of preparation of body implant titanium alloy rod bar
Method.
Technical scheme is as follows：
A kind of preparation method of body implant titanium alloy rod bar, comprises the following steps：
Step 1, batch mixing：It is added by way of agitating and heating when raw material is put into heater and heated, and is heated
Heat, then stand 5 ~ 10 minutes；
Step 2, forging：By pre-warmed raw material, the melting in high vacuum arc heating furnace, after melting, ingot blank is cast into；So
Cogging forging, 200 ~ 300 DEG C of the initial forging temperature of cogging forging are carried out using quick forging machine afterwards；The cross sectional shape of forging stock is square；
Step 3, upsetting pull forging：Upsetting pull forging is carried out to primary forging stock using open die forging equipment, middle forging stock is obtained after water cooling；
The upsetting pull forging is divided into three sections of temperature forgings, and the temperature of first paragraph upsetting pull forging is 130 ~ 150 DEG C, second segment upsetting pull forging
Temperature is 30 ~ 50 DEG C, and the temperature of the 3rd section of upsetting pull forging is -25 ~ -15 DEG C；
Step 4, finish forge are made：Precision forging is carried out to the forging stock in step 3 using precise forging machine, finish forge bar stock is obtained after air cooling；
Step 5, shaping：Finish forge bar stock in step 4 is rolled, it is rolled into cylindrical bar, and its diameter of section is
20~25mm；
Step 6, the bar in step 5 is aligned, then cut according to size, carried out after the completion of cutting at annealing
Reason；
Step 7, finishing：The bar of annealing is finished by lathe, the diameter of section after it is processed is 10 ~ 15mm；
Step 8, using alkali is quick-fried, is surface-treated after sandblasting by the way of pickling, you can.
Preferably, in described step one, the various chemical constituents of described body implant titanium alloy rod bar are：Iron：2
~ 4%, chromium：0.3 ~ 0.6%, gallium：0.5 ~ 0.9%, tin：0.2 ~ 0.6%, aluminium：1 ~ 2%, cobalt：0.1 ~ 0.3%, boron：0.1 ~ 0.4%, cerium：
0.12 ~ 0.18%, lithium 0.15 ~ 0.22%, surplus are titanium.
Preferably, the temperature of melting is 140 ~ 180 DEG C in high vacuum arc heating furnace in the step 2.
Preferably, bar material straightening carries out multipoint positioning formula aligning using straightener in the step 6.
Titanium alloy is the alloy that other elements composition is added based on titanium elements.Titanium has two kinds of allomorphisms：Titanium is
Isomer, fusing point are 1668 DEG C, are in close-packed hexagonal lattice structure, referred to as α ~ titanium when less than 882 DEG C；More than 882 DEG C
In body-centered cubic character structure, referred to as β ~ titanium.Using the different characteristics of the above two structure of titanium, appropriate alloy member is added
Element, its phase transition temperature and constituent content is set gradually to change and obtain the titanium alloy of different tissues；And existing titanium alloy rod bar exists
Its low intensity during use, and preparation method is complicated, loses time.
The present invention is advantageous in that：Titanium alloy rod bar prepared by the present invention, excellent performance, it is adapted to produce in enormous quantities,
Machining accuracy height is not ftractureed, high in machining efficiency, and extraordinary material selection is provided for body implant bar.
Embodiment
Embodiment 1
A kind of preparation method of body implant titanium alloy rod bar, comprises the following steps：
Step 1, batch mixing：It is added by way of agitating and heating when raw material is put into heater and heated, and is heated
Heat, then stand 8 minutes；
Step 2, forging：By pre-warmed raw material, the melting in high vacuum arc heating furnace, after melting, ingot blank is cast into；So
Cogging forging, 220 DEG C of the initial forging temperature of cogging forging are carried out using quick forging machine afterwards；The cross sectional shape of forging stock is square；
Step 3, upsetting pull forging：Upsetting pull forging is carried out to primary forging stock using open die forging equipment, middle forging stock is obtained after water cooling；
The upsetting pull forging is divided into three sections of temperature forgings, and the temperature of first paragraph upsetting pull forging is 135 DEG C, the temperature of second segment upsetting pull forging
It it is 45 DEG C, the temperature of the 3rd section of upsetting pull forging is -18 DEG C；
Step 4, finish forge are made：Precision forging is carried out to the forging stock in step 3 using precise forging machine, finish forge bar stock is obtained after air cooling；
Step 5, shaping：Finish forge bar stock in step 4 is rolled, it is rolled into cylindrical bar, and its diameter of section is
20~25mm；
Step 6, the bar in step 5 is aligned, then cut according to size, carried out after the completion of cutting at annealing
Reason；
Step 7, finishing：The bar of annealing is finished by lathe, the diameter of section after it is processed is 10 ~ 15mm；
Step 8, using alkali is quick-fried, is surface-treated after sandblasting by the way of pickling, you can.
In described step one, the various chemical constituents of described body implant titanium alloy rod bar are：Iron：2.8%th, chromium：
0.5%th, gallium：0.6%th, tin：0.4%th, aluminium：1.8%th, cobalt：0.25%th, boron：0.28%th, cerium：0.15%th, lithium 0.17%, surplus are titanium.
The temperature of melting is 155 DEG C in high vacuum arc heating furnace in the step 2.
Bar material straightening carries out multipoint positioning formula aligning using straightener in the step 6.
Embodiment 2
A kind of preparation method of body implant titanium alloy rod bar, comprises the following steps：
Step 1, batch mixing：It is added by way of agitating and heating when raw material is put into heater and heated, and is heated
Heat, then stand 5 minutes；
Step 2, forging：By pre-warmed raw material, the melting in high vacuum arc heating furnace, after melting, ingot blank is cast into；So
Cogging forging, 300 DEG C of the initial forging temperature of cogging forging are carried out using quick forging machine afterwards；The cross sectional shape of forging stock is square；
Step 3, upsetting pull forging：Upsetting pull forging is carried out to primary forging stock using open die forging equipment, middle forging stock is obtained after water cooling；
The upsetting pull forging is divided into three sections of temperature forgings, and the temperature of first paragraph upsetting pull forging is 130 DEG C, the temperature of second segment upsetting pull forging
It it is 50 DEG C, the temperature of the 3rd section of upsetting pull forging is -25 DEG C；
Step 4, finish forge are made：Precision forging is carried out to the forging stock in step 3 using precise forging machine, finish forge bar stock is obtained after air cooling；
Step 5, shaping：Finish forge bar stock in step 4 is rolled, it is rolled into cylindrical bar, and its diameter of section is
20~25mm；
Step 6, the bar in step 5 is aligned, then cut according to size, carried out after the completion of cutting at annealing
Reason；
Step 7, finishing：The bar of annealing is finished by lathe, the diameter of section after it is processed is 10 ~ 15mm；
Step 8, using alkali is quick-fried, is surface-treated after sandblasting by the way of pickling, you can.
In described step one, the various chemical constituents of described body implant titanium alloy rod bar are：Iron：2%th, chromium：
0.6%th, gallium：0.5%th, tin：0.6%th, aluminium：1%th, cobalt：0.3%th, boron：0.1%th, cerium：0.18%th, lithium 0.15%, surplus are titanium.
The temperature of melting is 180 DEG C in high vacuum arc heating furnace in the step 2.
Bar material straightening carries out multipoint positioning formula aligning using straightener in the step 6.
Embodiment 3
A kind of preparation method of body implant titanium alloy rod bar, comprises the following steps：
Step 1, batch mixing：It is added by way of agitating and heating when raw material is put into heater and heated, and is heated
Heat, then stand 10 minutes；
Step 2, forging：By pre-warmed raw material, the melting in high vacuum arc heating furnace, after melting, ingot blank is cast into；So
Cogging forging, 200 DEG C of the initial forging temperature of cogging forging are carried out using quick forging machine afterwards；The cross sectional shape of forging stock is square；
Step 3, upsetting pull forging：Upsetting pull forging is carried out to primary forging stock using open die forging equipment, middle forging stock is obtained after water cooling；
The upsetting pull forging is divided into three sections of temperature forgings, and the temperature of first paragraph upsetting pull forging is 150 DEG C, the temperature of second segment upsetting pull forging
It it is 30 DEG C, the temperature of the 3rd section of upsetting pull forging is -15 DEG C；
Step 4, finish forge are made：Precision forging is carried out to the forging stock in step 3 using precise forging machine, finish forge bar stock is obtained after air cooling；
Step 5, shaping：Finish forge bar stock in step 4 is rolled, it is rolled into cylindrical bar, and its diameter of section is
20~25mm；
Step 6, the bar in step 5 is aligned, then cut according to size, carried out after the completion of cutting at annealing
Reason；
Step 7, finishing：The bar of annealing is finished by lathe, the diameter of section after it is processed is 10 ~ 15mm；
Step 8, using alkali is quick-fried, is surface-treated after sandblasting by the way of pickling, you can.
In described step one, the various chemical constituents of described body implant titanium alloy rod bar are：Iron：4%th, chromium：
0.3%th, gallium：0.9%th, tin：0.2%th, aluminium：2%th, cobalt：0.1%th, boron：0.4%th, cerium：0.12%th, lithium 0.22%, surplus are titanium.
The temperature of melting is 140 DEG C in high vacuum arc heating furnace in the step 2.
Bar material straightening carries out multipoint positioning formula aligning using straightener in the step 6.
Comparative example 1
Temperature modification by the 3rd section of upsetting pull forging in embodiment 1 is 25 DEG C, and remaining preparation method is constant.
The physical property of above sample is tested below, obtains following data：
The detection data more than are it is recognised that the properties of the titanium alloy bar of the present invention are very good, and use low temperature upsetting pull
Forge the properties to improving titanium alloy bar, significant effect.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (4)
1. a kind of preparation method of body implant titanium alloy rod bar, it is characterised in that comprise the following steps：
Step 1, batch mixing：It is added by way of agitating and heating when raw material is put into heater and heated, and is heated
Heat, then stand 5 ~ 10 minutes；
Step 2, forging：By pre-warmed raw material, the melting in high vacuum arc heating furnace, after melting, ingot blank is cast into；So
Cogging forging, 200 ~ 300 DEG C of the initial forging temperature of cogging forging are carried out using quick forging machine afterwards；The cross sectional shape of forging stock is square；
Step 3, upsetting pull forging：Upsetting pull forging is carried out to primary forging stock using open die forging equipment, middle forging stock is obtained after water cooling；
The upsetting pull forging is divided into three sections of temperature forgings, and the temperature of first paragraph upsetting pull forging is 130 ~ 150 DEG C, second segment upsetting pull forging
Temperature is 30 ~ 50 DEG C, and the temperature of the 3rd section of upsetting pull forging is -25 ~ -15 DEG C；
Step 4, finish forge are made：Precision forging is carried out to the forging stock in step 3 using precise forging machine, finish forge bar stock is obtained after air cooling；
Step 5, shaping：Finish forge bar stock in step 4 is rolled, it is rolled into cylindrical bar, and its diameter of section is
20~25mm；
Step 6, the bar in step 5 is aligned, then cut according to size, carried out after the completion of cutting at annealing
Reason；
Step 7, finishing：The bar of annealing is finished by lathe, the diameter of section after it is processed is 10 ~ 15mm；
Step 8, using alkali is quick-fried, is surface-treated after sandblasting by the way of pickling, you can.
2. the preparation method of body implant titanium alloy rod bar as claimed in claim 1, it is characterised in that described step one
In, the various chemical constituents of described body implant titanium alloy rod bar are：Iron：2 ~ 4%, chromium：0.3 ~ 0.6%, gallium：0.5~
0.9%th, tin：0.2 ~ 0.6%, aluminium：1 ~ 2%, cobalt：0.1 ~ 0.3%, boron：0.1 ~ 0.4%, cerium：0.12 ~ 0.18%, lithium 0.15 ~ 0.22%,
Surplus is titanium.
3. the preparation method of body implant titanium alloy rod bar as claimed in claim 1, it is characterised in that in the step 2
The temperature of melting is 140 ~ 180 DEG C in high vacuum arc heating furnace.
4. the preparation method of body implant titanium alloy rod bar as claimed in claim 1, it is characterised in that in the step 6
Bar material straightening carries out multipoint positioning formula aligning using straightener.
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| CN201711079162.9A CN107717354A (en) | 2017-11-06 | 2017-11-06 | A kind of preparation method of body implant titanium alloy rod bar |
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| CN201711079162.9A CN107717354A (en) | 2017-11-06 | 2017-11-06 | A kind of preparation method of body implant titanium alloy rod bar |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110157948A (en) * | 2019-05-29 | 2019-08-23 | 中国科学院金属研究所 | A kind of dedicated medical titanium alloy of planting body and preparation method thereof for realizing immediate implant |
| CN113618234A (en) * | 2021-07-21 | 2021-11-09 | 丹源医学科技(杭州)有限公司 | Surface roughening method of thin-wall metal shell implanted into human body |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110157948A (en) * | 2019-05-29 | 2019-08-23 | 中国科学院金属研究所 | A kind of dedicated medical titanium alloy of planting body and preparation method thereof for realizing immediate implant |
| CN113618234A (en) * | 2021-07-21 | 2021-11-09 | 丹源医学科技(杭州)有限公司 | Surface roughening method of thin-wall metal shell implanted into human body |
| CN113618234B (en) * | 2021-07-21 | 2023-03-07 | 丹源医学科技(杭州)有限公司 | Surface roughening method of thin-wall metal shell implanted into human body |
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