CN1323181C - High-intensity low modulus biological and medical use titanium alloy - Google Patents

High-intensity low modulus biological and medical use titanium alloy Download PDF

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Publication number
CN1323181C
CN1323181C CNB2004100205012A CN200410020501A CN1323181C CN 1323181 C CN1323181 C CN 1323181C CN B2004100205012 A CNB2004100205012 A CN B2004100205012A CN 200410020501 A CN200410020501 A CN 200410020501A CN 1323181 C CN1323181 C CN 1323181C
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Prior art keywords
alloy
titanium
kilograms
zirconium
biological
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CNB2004100205012A
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Chinese (zh)
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CN1570168A (en
Inventor
蒋志
兰羽
李海涛
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Dalian Sunny Titanium Industry Co ltd
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Dalian Sunny Titanium Industry Co ltd
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Abstract

The present invention discloses an alloy, particularly a high-strength low-modulus biological and medical titanium alloy. The present invention is characterized in that the alloy is prepared from 31% to 34% of niobium (Nb), 6% to 9% of zirconium (Zr) and titanium (Ti) as the rest. Compared with the prior art, the alloy of the present invention has the following advantages that the alloy has no toxic element and good biocompatibility; the strength of the alloy is high (1050MPa) and can be regulated within a large range in order to meet the requirements of different types of products; the elastic modulus ratio of the ally is lower than that of a Ti6Al4V alloy by 25% to 30%; the fatigue strength and the fracture toughness are superior to those of the Ti6Al4V alloy; the alloy has good process compactibility, compared with the Ti6Al4V alloy, the elongation rate is increased by 20%, the compression rate is increased by 30%, and the hot-processing temperature is low (100 DEG C to 150 DEG C).

Description

A kind of high-strength low-modulus bio-medical titanium
Technical field:
The present invention relates to a kind of alloy material, particularly a kind of high-strength low-modulus bio-medical titanium.
Background technology:
Most widely used clinically at present general surgery is metal material embedded to mainly contain three kinds of stainless steels, cobalt base alloy, titanium alloy.Titanium alloy is as emerging metallic substance, advantages such as, solidity to corrosion strong, good biocompatibility with its height ratio, and it is powerful to substitute the demand growth of implanting product as the human body hard tissue reparation.But the titanium alloy kind that can provide for medical circle seldom at present, what the use of prison bed was maximum is to transplant the Ti6Al4V alloy of coming from aircraft industry, this alloy is owing to contain vanadium metal, its toxicity is generally acknowledged by medical circle, the technological forming of this alloy is bad in addition, brings difficulty for the moulding, mechanical workout etc. of the press working of material and product.
Summary of the invention:
The purpose of this invention is to provide a kind of nontoxic, high and low modulus of intensity, anti-corrosion, good biocompatibility, easy a kind of high-strength low-modulus bio-medical titanium of machine-shaping, overcome the deficiencies in the prior art.
Technical solution of the present invention is: a kind of high-strength low-modulus bio-medical titanium is characterized in that: it is made up of titanium (Ti), niobium (Nb), zirconium (Zr), and each set of dispense is such as following:
The title weight percent
Niobium (Nb) (31~34) %
Zirconium (Zr) (6~9) %
Titanium (Ti) surplus.
Described each set of dispense ratio can be:
The title weight percent
Niobium (Nb) (32~33) %
Zirconium (Zr) (7~8) %
Titanium (Ti) surplus.
The present invention compared with prior art has following advantage: 1, do not contain the toxicity constituent element, biocompatibility is good; 2, the alloy strength height (~1050Mpa) and can in a big way, adjust to satisfy the needs of dissimilar products; 3, modular ratio Ti6Al4V alloy low (25~30) %; 4, fatigue strength and fracture toughness property all are better than the Ti6Al4V alloy; 5, technological forming is good, and unit elongation exceeds 20% than Ti6Al4V alloy,
Rate of compression exceeds 30% than Ti6Al4V alloy, hot processing temperature low (100 ℃~150 ℃).
Alloy bar material mechanical property of the present invention and with the comparison of existing alloy
Figure C20041002050100041
Embodiment:
Embodiment 1: with titanium sponge, zirconium sponge, niobium titanium master alloy is the preparation of raw material alloy material, and the designing quality of each component is respectively: 60 kilograms of titaniums (Ti), 33 kilograms of niobiums (Nb), 7 kilograms of zirconiums (Zr).Become ingot casting through the secondary vacuum arc melting behind the compacting electrode, cogging under the temperature of (900~1050) ℃, be processed into bar or sheet material under the temperature of (800~900) ℃, total deformation is controlled between (65~95) %, and thermal treatment temp is (500~800) ℃.Above-mentioned complete processing gets final product by the method for prior art.
Embodiment 2:
With titanium sponge, zirconium sponge, niobium titanium master alloy is the preparation of raw material alloy material, and the designing quality of each component is respectively: 57 kilograms of titaniums (Ti), 34 kilograms of niobiums (Nb), 9 kilograms of zirconiums (Zr).Become ingot casting through the secondary vacuum arc melting, cogging under the temperature of (900~1050) ℃ is processed into bar or sheet material under the temperature of (800~900) ℃, and total deformation is controlled between (65~95) %, and thermal treatment temp is (500~800) ℃.Above-mentioned complete processing gets final product by the method for prior art.
Embodiment 3:
With titanium sponge, zirconium sponge, niobium titanium master alloy is the preparation of raw material alloy material, and the designing quality of each component is respectively: 61 kilograms of titaniums (Ti), and 31 kilograms of niobiums (Nb), zirconium (Zr) 8 is in gram.Become ingot casting through the secondary vacuum arc melting, cogging under the temperature of (900~1050) ℃ is processed into bar or sheet material under the temperature of (800~900) ℃, and total deformation is controlled between (65~95) %, and thermal treatment temp is (500~800) ℃.Above-mentioned complete processing gets final product by the method for prior art.
Embodiment 4:
With titanium sponge, zirconium sponge, niobium titanium master alloy is the preparation of raw material alloy material, and the designing quality of each component is respectively: 62 kilograms of titaniums (Ti), and 32 kilograms of niobiums (Nb), zirconium (Zr) 6 is in gram.Become ingot casting through the secondary vacuum arc melting, cogging under the temperature of (900~1050) ℃ is processed into bar or sheet material under the temperature of (800~900) ℃, and total deformation is controlled between (65~95) %, and thermal treatment temp is (500~800) ℃.Above-mentioned complete processing gets final product by the method for prior art.
Embodiment 5:
With titanium sponge, zirconium sponge, niobium titanium master alloy is the preparation of raw material alloy material, and the designing quality of each component is respectively: 63 kilograms of titaniums (Ti), 31 kilograms of niobiums (Nb), 6 kilograms of zirconiums (Zr).Become ingot casting through the secondary vacuum arc melting, cogging under the temperature of (900~1050) ℃ is processed into bar or sheet material under the temperature of (800~900) ℃, and total deformation is controlled between (65~95) %, and thermal treatment temp is (500~800) ℃.Above-mentioned complete processing gets final product by the method for prior art.
Embodiment 6:
With titanium sponge, zirconium sponge, niobium titanium master alloy is the preparation of raw material alloy material, and the designing quality of each component is respectively: 59 kilograms of titaniums (Ti), 34 kilograms of niobiums (Nb), 7 kilograms of zirconiums (Zr).Become ingot casting through the secondary vacuum arc melting, cogging under the temperature of (900~1050) ℃ is processed into bar or sheet material under the temperature of (800~900) ℃, and total deformation is controlled between (65~95) %, and thermal treatment temp is (500~800) ℃.Above-mentioned complete processing gets final product by the method for prior art.
Embodiment 7:
With titanium sponge, zirconium sponge, niobium titanium master alloy is the preparation of raw material alloy material, and the designing quality of each component is respectively: 58 kilograms of titaniums (Ti), 33 kilograms of niobiums (Nb), 9 kilograms of zirconiums (Zr).Become ingot casting through the secondary vacuum arc melting, cogging under the temperature of (900~1050) ℃ is processed into bar or sheet material under the temperature of (800~900) ℃, and total deformation is controlled between (65~95) %, and thermal treatment temp is (500~800) ℃.Above-mentioned complete processing gets final product by the method for prior art.
Because of containing small amount of impurities in the raw material, the amount of titanium can not be definite fully, thus in claims titanium be chosen as surplus.
Material of the present invention can be made artificial bone, articular prosthesis, orthopedic fixation device tool, mouth cavity planting body etc., also can be used for making spectacle frame, spring, can also be as chemical industry ocean exploitation structured material.

Claims (2)

1, a kind of high-strength low-modulus bio-medical titanium is characterized in that: it is made up of titanium (Ti), niobium (Nb), zirconium (Zr), and each set of dispense is such as following:
The title weight percent
Niobium (Nb) (31~34) %
Zirconium (Zr) (6~9) %
Titanium (Ti) surplus.
2, a kind of high-strength low-modulus bio-medical titanium according to claim 1 is characterized in that: described each set of dispense ratio is:
The title weight percent
Niobium (Nb) (32~33) %
Zirconium (Zr) (7~8) %
Titanium (Ti) surplus.
CNB2004100205012A 2004-04-29 2004-04-29 High-intensity low modulus biological and medical use titanium alloy Expired - Fee Related CN1323181C (en)

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CN1298874C (en) * 2003-12-25 2007-02-07 中国科学院金属研究所 Super elasticity low modulus titanium alloy and preparing and processing method
US7722805B2 (en) 2003-12-25 2010-05-25 Institute Of Metal Research Chinese Academy Of Sciences Titanium alloy with extra-low modulus and superelasticity and its producing method and processing thereof
CN102443718A (en) * 2011-12-13 2012-05-09 广西大学 Metastable beta-type Ti-Mo-Si system biomedical alloy and preparation method thereof
CN106312060B (en) * 2015-06-29 2019-02-26 中国科学院金属研究所 A kind of preparation method of the low modulus medical titanium alloy 3-dimensional metal part of high-performance
CN105463249B (en) * 2015-12-03 2018-02-23 华南理工大学 A kind of high-strength low mould medical beta Ti alloy materials and preparation method thereof
CN108220682A (en) * 2018-01-29 2018-06-29 东北大学 A kind of low anti-infective titanium alloy of modulus cupric
CN109259879A (en) * 2018-09-28 2019-01-25 江阴金泰克生物技术有限公司 Titanium alloy one-part form Immediate prosthesis dental implant and preparation method thereof
CN110284020B (en) * 2019-07-08 2021-04-27 东南大学 Corrosion-resistant high-plasticity titanium-based composite material and preparation method thereof

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US5573401A (en) * 1989-12-21 1996-11-12 Smith & Nephew Richards, Inc. Biocompatible, low modulus dental devices
US5782910A (en) * 1989-12-21 1998-07-21 Smith & Nephew, Inc. Cardiovascular implants of enhanced biocompatibility
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US5573401A (en) * 1989-12-21 1996-11-12 Smith & Nephew Richards, Inc. Biocompatible, low modulus dental devices
US5782910A (en) * 1989-12-21 1998-07-21 Smith & Nephew, Inc. Cardiovascular implants of enhanced biocompatibility
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US5820707A (en) * 1995-03-17 1998-10-13 Teledyne Industries, Inc. Composite article, alloy and method
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CN1461816A (en) * 2002-05-30 2003-12-17 王新敏 Ti-base trielement alloy product and application
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