CN109207796A - A kind of medical titanium alloy Ti-13Nb-13Zr ingot casting and preparation method thereof - Google Patents
A kind of medical titanium alloy Ti-13Nb-13Zr ingot casting and preparation method thereof Download PDFInfo
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- CN109207796A CN109207796A CN201811415337.3A CN201811415337A CN109207796A CN 109207796 A CN109207796 A CN 109207796A CN 201811415337 A CN201811415337 A CN 201811415337A CN 109207796 A CN109207796 A CN 109207796A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C14/00—Alloys based on titanium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Abstract
The invention belongs to titanium alloy technical fields, disclose a kind of medical titanium alloy Ti-13Nb-13Zr ingot casting preparation method, choose good fine grained titanium sponge and refractory metal Nb powder；The ratio for being 2~4: 1 in the weight percent of titanium sponge and refractory metal Nb powder carries out mechanical stirring after mixing by mixing machine, is incorporated in electrode block, adds sponge zirconium, be pressed into dense electrodes block through hydraulic press；Fine and close electrode block is welded into electrode through plasma welding unit, electrode is smelted into titanium alloy T i-13Nb-13Zr ingot casting through vacuum consumable electrode arc furnace.The present invention substantially reduces the production cost of titanium alloy T i-13Nb-13Zr ingot casting, and the titanium alloy T i-13Nb-13Zr ingot casting of production meets GB/T3620.1-2016 standard requirements through detecting chemical component, and no refractory metal Nb element segregation is mingled with, and metallurgical quality is good.
Description
Technical field
The invention belongs to titanium alloy technical field more particularly to a kind of medical titanium alloy Ti-13Nb-13Zr ingot casting preparation sides
Method.
Background technique
Currently, the prior art commonly used in the trade is such that
1668 DEG C of the fusing point of titanium, 2468 DEG C of the fusing point of niobium, difference is larger, and when titanium alloy smelting containing Nb usually will
Nb is added in Ti-13Nb-13Zr alloy in the form of intermediate alloy Ti-40~50%Nb, due to needing to be added high-content infusibility Nb
The intermediate alloy of metal is easy the generation intermediate alloy niggerhead in ingot casting and forms serious metallurgical imperfection；In addition high infusibility gold
Intermediate alloy preparation process complexity, the price for belonging to content are higher, and broken difficulty.The titanium alloy of the Nb containing refractory metal has low
The features such as elasticity modulus, high intensity, biology and mechanical compatibility are good is the ideal material of human body hard tissue substitution surgical implants
Material.The titanium alloy of the Nb containing refractory metal, the distribution of refractory metal elements Nb homogenization is the key that guarantee ingot quality in ingot casting.It is difficult
Molten Nb metal and titanium valve are added with powder method, and the addition of titanium valve easily causes ingot casting Control for Oxygen Content difficult, and titanium valve is added, and are made
The cost of alloy increases and complex process.
In conclusion problem of the existing technology is:
(1) in the prior art, due to needing to be added the intermediate alloy (Ti-40~50%Nb) of high-content infusibility Nb metal,
It is easy the generation intermediate alloy niggerhead in ingot casting and forms serious metallurgical imperfection.
(2) intermediate alloy (Ti-40~50%Nb) preparation process of high infusibility tenor is complicated in the prior art, price
It is higher, and broken difficulty.Conventional intermediate alloy Ti-40~50%Nb preparation method: by Nb powder through vacuum high-temperature sintering at
Nb item is added in titanium sponge, is smelted into titanium-niobium alloy (Ti-40~50Nb) ingot casting, turning at a slow speed using vacuum consumable electrode arc furnace
Ingot casting, Mechanical Crushing at 2~10mm long crumble
(3) in the prior art since the addition of titanium valve easily causes ingot casting Control for Oxygen Content difficult, and titanium valve is added, makes to close
The cost of gold increases and complex process.
Solve the difficulty and meaning of above-mentioned technical problem:
Titanium alloy T i-13Nb-13Zr is the ideal material of human body surgical implants, is had a wide range of applications in medical domain
Prospect.The titanium alloy of the Nb containing refractory metal, the distribution of refractory metal Nb element homogenization is to guarantee following process and product in ingot casting
The key of quality, usual refractory metal Nb is with intermediate alloy (Ti-40~50%Nb) addition, due to needing to be added high-content infusibility
The intermediate alloy of metal Nb is easy to generate intermediate alloy niggerhead in ingot casting, forms serious metallurgical imperfection, high refractory metal
Intermediate alloy (Ti-40~50%Nb) price of content is higher, and broken difficulty.If refractory metal Nb and titanium valve are with powder
Method is added, and the addition of titanium valve easily causes ingot casting Control for Oxygen Content difficult, and titanium valve is added, and increases the cost of alloy and technique
It is complicated.
Preparation method provided by the invention is simple and easy to operate, can substantially reduce the life of titanium alloy T i-13Nb-13Zr ingot casting
Produce cost.The titanium alloy T i-13Nb-13Zr ingot casting of this method preparation is detected chemical component and meets GB/T3620.1-2016 mark
Alignment request, no refractory metal Nb element segregation are mingled with, and metallurgical quality is good.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of preparations of medical titanium alloy Ti-13Nb-13Zr ingot casting
Method.
The invention is realized in this way a kind of medical titanium alloy Ti-13Nb-13Zr ingot casting, alloy are made of niobium and zirconium, weight
Measure percentage are as follows: niobium 12.5%-14%, zirconium 12.5%-14%, surplus are titanium and inevitable impurity.The alloy of preparation has
Have low elastic modulus (40~80GPa), high-intensitive (60~1200MPa) and good biocompatibility, be manufacture of intraocular joint,
The ideal material of the surgical implants such as pressurization fixed plate, mouth cavity planting body, bracket, heart valve.
Another object provided by the invention is a kind of medical titanium alloy Ti-13Nb-13Zr ingot casting preparation method provided,
Specifically includes the following steps:
Step 1: choosing good fine grained titanium sponge and refractory metal Nb powder, spare；
Step 2: the ratio for being 2~4: 1 in the weight percent of titanium sponge and refractory metal Nb powder passes through mixing machine
It carries out mechanical stirring after mixing, is incorporated in electrode block, add sponge zirconium, be pressed into dense electrodes block through hydraulic press；
Step 3: fine and close electrode block is welded into electrode through plasma welding unit, electrode is through vacuum consumable electrode arc furnace melting
At titanium alloy T i-13Nb-13Zr ingot casting.
Further, in step 1, mean particle size range is chosen in the fine grained titanium sponge and range of 0.83~6mm -100
The refractory metal Nb powder of~-200 mesh granularities.
Further, in step 2, mixing machine mechanical stirring is mixed into 1~3 hour.
In conclusion advantages of the present invention and good effect are as follows:
Preparation method provided by the invention is simple and easy to operate, can substantially reduce the life of titanium alloy T i-13Nb-13Zr ingot casting
Cost is produced, the titanium alloy T i-13Nb-13Zr ingot casting of production meets GB/T3620.1-2016 standard requirements through detecting chemical component,
There is no refractory metal Nb element segregation, be mingled with, metallurgical quality is good.
Titanium alloy T i 13Nb 13Zr ingot casting produced by the invention is detected chemical component and meets GB/T3620.1-2016 mark
Alignment request, no refractory metal Nb element segregation are mingled with, and metallurgical quality is good.
Detailed description of the invention
Fig. 1 is the preparation method flow chart of medical titanium alloy Ti-13Nb-13Zr ingot casting provided in an embodiment of the present invention.
Fig. 2 is the preparation method artwork of medical titanium alloy Ti-13Nb-13Zr ingot casting provided in an embodiment of the present invention.
Fig. 3 is Ti-13Nb-13Zr plate solid solution aging microscopic structure provided in an embodiment of the present invention, is detected as no niobium
Element segregation is mingled with figure.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Present invention seek to address that the deficiencies in the prior art, provide it is a kind of it is easy to operate, production cost can be substantially reduced
The preparation method of titanium alloy T i-13Nb-13Zr ingot casting；It is closed with the homogeneous titanium producing no infusibility Nb metallic element segregation, being mingled with
Golden ingot casting.
Medical titanium alloy Ti-13Nb-13Zr ingot casting preparation method provided in an embodiment of the present invention, alloy are made of niobium, zirconium,
Surplus is titanium and inevitable impurity.
Application principle of the invention is described in detail with reference to the accompanying drawing.
As shown in Figure 1, the preparation method of medical titanium alloy Ti-13Nb-13Zr ingot casting provided in an embodiment of the present invention, specifically
The following steps are included:
S101: choosing good fine grained titanium sponge and refractory metal Nb powder, spare；
S102: in the weight percent of titanium sponge and refractory metal Nb powder be 2~4: 1 ratio, by mixing machine into
Row mechanical stirring after mixing, is incorporated in electrode block, is added sponge zirconium, is pressed into dense electrodes block through hydraulic press；
S103: fine and close electrode block is welded into electrode through plasma welding unit, electrode is smelted into through vacuum consumable electrode arc furnace
Titanium alloy T i-13Nb-13Zr ingot casting.
In step S101, mean particle size range provided in an embodiment of the present invention of choosing is in the fine grained sponge of 0.83~6mm
The refractory metal Nb powder of titanium and range in -100~-200 mesh granularities.
In step S102, mixing machine mechanical stirring provided in an embodiment of the present invention is mixed into 1~3 hour.
Fig. 2 is the preparation method artwork of medical titanium alloy Ti-13Nb-13Zr ingot casting provided in an embodiment of the present invention.
Fig. 3 is Ti-13Nb-13Zr plate solid solution aging microscopic structure provided in an embodiment of the present invention, is detected as no niobium
Element segregation is mingled with, and metallurgical quality is good.
Application principle of the invention is further elaborated combined with specific embodiments below；
Embodiment 1
Ti-32Mo titanium alloy low cost preparation method:
By range 0.83~6mm fine grained titanium sponge and range -100~-200 mesh granularities molybdenum powder, by sponge
The ratio that the weight percent of titanium and molybdenum powder is 2~4: 1 after mechanical stirring mixes 1~3 hour on mixing machine, is incorporated electrode
In block, fine and close electrode block is pressed into through hydraulic press, by fine and close electrode block through plasma argon arc welder at electrode, electrode
It is smelted into titan alloy casting ingot through vacuum consumable electrode arc furnace, is detected as the homogeneous ingot casting that no molybdenum element is segregated, is mingled with.
Embodiment 2
Ti-Mo-V-Fe-Al titanium alloy low cost preparation method:
By mean particle size range 0.83~6mm fine grained titanium sponge and range -100~-200 mesh granularities molybdenum
Powder, the ratio for being 2~4: 1 in the weight percent of titanium sponge and molybdenum powder, after mechanical stirring mixes 1~3 hour on mixing machine
It is incorporated in electrode block, and adds other alloying element V, Fe, Al, fine and close electrode block is pressed into through hydraulic press, by fine and close electricity
Pole block is welded into electrode through argon arc welding machine, and electrode is smelted into titan alloy casting ingot through vacuum consumable electrode arc furnace, is detected as no molybdenum
Element segregation, the homogeneous ingot casting being mingled with.
Embodiment 3
Ti-Al-Nb series titanium alloy low cost preparation method:
By mean particle size range 0.83~6mm titanium sponge and range -100~-200 mesh granularities niobium powder, by sea
The ratio that the weight percent of continuous titanium and niobium powder is 2~4: 1, after being mixed 1~3 hour on mechanical mixer.It is incorporated electrode
In block, Al element is added, fine and close electrode block is pressed into through hydraulic press, by fine and close electrode block through plasma argon arc welder
At electrode, electrode is detected chemical component and meets GB/T3620.1- through being smelted into titan alloy casting ingot through vacuum consumable electrode arc furnace
2016 standard requirements, for no niobium element segregation, the homogeneous ingot casting being mingled with.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (4)
1. a kind of medical titanium alloy Ti-13Nb-13Zr ingot casting, which is characterized in that described kind of medical titanium alloy Ti-13Nb-13Zr
Ingot casting is made of niobium, zirconium and titanium, and according to weight percent niobium 12.5%-14%, zirconium 12.5%-14%, surplus is titanium and can not
The impurity avoided.
2. a kind of preparation method of medical titanium alloy Ti-13Nb-13Zr ingot casting as described in claim 1, which is characterized in that described
Medical titanium alloy Ti 13Nb 13Zr ingot casting preparation method the following steps are included:
Step 1: choosing fine grained titanium sponge and refractory metal Nb powder, spare；
Step 2: the ratio for being 2~4: 1 in the weight percent of titanium sponge and refractory metal Nb powder is carried out by mixing machine
Mechanical stirring after mixing, is incorporated in electrode block, is added sponge zirconium, is pressed into dense electrodes block through hydraulic press；
Step 3: fine and close electrode block is welded into electrode through plasma welding unit, electrode is smelted into titanium through vacuum consumable electrode arc furnace
Alloy Ti-13Nb-13Zr ingot casting.
3. the preparation method of medical titanium alloy Ti-13Nb-13Zr ingot casting as claimed in claim 2, which is characterized in that the step
In rapid one, choose mean particle size range 0.83~6mm fine grained titanium sponge and range -100~-200 mesh granularities difficulty
Molten metal Nb powder.
4. the preparation method of medical titanium alloy Ti-13Nb-13Zr ingot casting as claimed in claim 2, which is characterized in that the step
In rapid two, mixing machine mechanical stirring is mixed into 1~3 hour.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811415337.3A CN109207796A (en) | 2018-11-26 | 2018-11-26 | A kind of medical titanium alloy Ti-13Nb-13Zr ingot casting and preparation method thereof |
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| CN201811415337.3A CN109207796A (en) | 2018-11-26 | 2018-11-26 | A kind of medical titanium alloy Ti-13Nb-13Zr ingot casting and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109732084A (en) * | 2019-03-21 | 2019-05-10 | 西京学院 | A kind of ferrotitanium molybdenum alloy and preparation method thereof |
| CN110433329A (en) * | 2019-08-28 | 2019-11-12 | 珠海乔丹科技股份有限公司 | A kind of high intensity, low elastic modulus, non-toxic titanium niobium zirconium alloy dentistry implant |
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| US5169597A (en) * | 1989-12-21 | 1992-12-08 | Davidson James A | Biocompatible low modulus titanium alloy for medical implants |
| CN101033512A (en) * | 2006-03-07 | 2007-09-12 | 西安赛特金属材料开发有限公司 | Method of producing electrode for titanium alloy vacuum consumable smelting directly added with high melting metal |
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| CN107142388A (en) * | 2017-04-11 | 2017-09-08 | 昆明理工大学 | A kind of preparation method of Ti 13Nb 13Zr alloys |
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| US5169597A (en) * | 1989-12-21 | 1992-12-08 | Davidson James A | Biocompatible low modulus titanium alloy for medical implants |
| CN101033512A (en) * | 2006-03-07 | 2007-09-12 | 西安赛特金属材料开发有限公司 | Method of producing electrode for titanium alloy vacuum consumable smelting directly added with high melting metal |
| CN101181745A (en) * | 2007-12-10 | 2008-05-21 | 西北有色金属研究院 | Method for preparing titanium alloy cast ingot |
| CN101696480A (en) * | 2009-11-04 | 2010-04-21 | 天津科技大学 | Nickel-free biomedical titanium alloy Ti-Nb-Zr material and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109732084A (en) * | 2019-03-21 | 2019-05-10 | 西京学院 | A kind of ferrotitanium molybdenum alloy and preparation method thereof |
| CN109732084B (en) * | 2019-03-21 | 2021-05-11 | 西京学院 | Iron-titanium-molybdenum alloy and preparation method thereof |
| CN110433329A (en) * | 2019-08-28 | 2019-11-12 | 珠海乔丹科技股份有限公司 | A kind of high intensity, low elastic modulus, non-toxic titanium niobium zirconium alloy dentistry implant |
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