CN109055815A - A kind of method of quick screening low elastic modulus biological titanium alloy - Google Patents
A kind of method of quick screening low elastic modulus biological titanium alloy Download PDFInfo
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- CN109055815A CN109055815A CN201810874848.5A CN201810874848A CN109055815A CN 109055815 A CN109055815 A CN 109055815A CN 201810874848 A CN201810874848 A CN 201810874848A CN 109055815 A CN109055815 A CN 109055815A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- 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
- 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
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
- C22F1/183—High-melting or refractory metals or alloys based thereon of titanium or alloys based thereon
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/40—Investigating hardness or rebound hardness
- G01N3/42—Investigating hardness or rebound hardness by performing impressions under a steady load by indentors, e.g. sphere, pyramid
Abstract
The invention belongs to investigation of materials method fields, and in particular to a method of quickly screening low elastic modulus biological titanium alloy.This method determines two ends border group metamember in BCC phase titanium alloy according to PHASE DIAGRAM CALCULATION result first, then according to the ingredient, using pure metal as raw material, successively two ends border constituent element is obtained by melting, wire cutting, annealing, two ends border constituent element is fixed together annealing again, obtain diffusion couple, component gradient analysis finally is carried out to the BCC phase in diffusion couple and elasticity modulus is tested, the corresponding relationship of titanium alloy component and elasticity modulus is obtained, so that it is determined that the composition of low elastic modulus biological titanium alloy.The screening technique is easily achieved, efficient quick, can greatly save research and development, manpower and time cost compared with tradition research method.Phase composition-alloying component-the elasticity modulus for obtaining a large amount of approximate continuous in a short time corresponds to experimental data information, helps to carry out BCC phase titanium alloy system comprehensive, system understanding.
Description
Technical field
The invention belongs to investigation of materials method fields, and in particular to a kind of quickly to screen low elastic modulus biological titanium alloy
Method.
Background technique
Biological titanium alloy is very important industrial materials, due to its lower elasticity modulus and good bio-compatible
Property, it is widely used in clinical treatment as human body hard tissue implantation material.In view of the nontoxicity to human body, biological titanium is closed
Main addition element includes Cr, Fe, Hf, Mn, Mo, Nb, Sn, Ta, W and Zr etc. in gold, and the titanium containing the above addition element closes
Gold forms BCC phase titanium alloy after solution treatment.Currently, Ti-Nb base, Ti-Zr base, Ti-Nb-Zr base, Ti-Nb-Ta-Zr base
It is the major alloy systems of low elastic modulus biological titanium alloy research and development with Ti-Nb-Zr-Sn based alloy, and Ti-Cr base, Ti-Fe base
It is then the associated alloys system of low-cost bio titanium alloy with Ti-Mn based alloy.Compared to traditional pure Ti and Ti-Al-V alloy
For, the biocompatibility of these BCC phase titanium alloys is more preferable, and elasticity modulus is lower, has larger substitution traditional clinical biology gold
Belong to the potentiality of material.
In different BCC phase titanium alloy systems, determine that the corresponding alloying component of minimum elasticity modulus is highly important grinds
Study carefully work.Traditional alloy exploitation mainly carries out material properties test to single component sample one by one, then compares and analyzes,
To select the alloy of best performance in institute's sample.On the one hand this method needs to expend a large amount of manpower and material resources progress large quantities of
The experiment of amount, and be difficult to ensure the preciseness of experiment conclusion, on the other hand, due to the finiteness of experimental point, make researcher for
BCC phase titanium alloy system lacks comprehensive, system understanding, and then relevant rudimentary theoretical research and research and development of products is caused to fall into bottle
Neck.Therefore, the experimental datas such as alloying component and the elasticity modulus of BCC phase titanium alloy are efficiently and rapidly obtained, to quickly screen
The biological titanium alloy of low elastic modulus researches and develops novel high-performance biological titanium alloy out and the understanding of Related Mechanism all has weight
It wants and profound significance.
Summary of the invention
It is in order to overcome the shortcomings of the prior art and insufficient, the primary purpose of the present invention is that providing a kind of quickly screening low elasticity
The method of modulus biological titanium alloy.This method be a kind of phase composition that can efficiently study multielement titanium alloy system, alloying component and
The method of elasticity modulus can obtain the change of gradient bond area of heterogeneity alloy interface, to obtain on simple sample
The elasticity modulus data of multiple multielement titanium alloy systems, and finally obtain the minimum titanium alloy component of elasticity modulus.
To achieve the above object, The technical solution adopted by the invention is as follows:
A kind of method of quick screening low elastic modulus biological titanium alloy, comprising the following steps:
(1) two ends border group metamember of diffusion couple to be studied is determined using the method for PHASE DIAGRAM CALCULATION；
(2) according to the two ends border group metamember determined in step (1), melting is carried out by raw material of pure metal, obtains two
A end border constituent element ingot, then ingot obtained by wire cutting, obtains the uniform blocks of ingot core, clears up block surface,
It is encapsulated into vacuum again and has in the container of titanium sponge or sponge yttrium, is made annealing treatment, block is taken out after annealing and is quenched, it is right
Block carries out grinding and polishing, obtains two ends border constituent element of diffusion couple；
(3) two ends border constituent element obtained in step (2) is fixed together, is encapsulated into vacuum and has titanium sponge or sea
It in the container of continuous yttrium, is made annealing treatment, block taking-up quenching together will be already fixed to after annealing, obtain diffusion couple；
(4) heterogeneous microstructure analysis is carried out to diffusion couple obtained in step (3), so that it is determined that BCC phase region,
Component gradient analysis and elasticity modulus test are carried out to the region, obtain titanium alloy BCC phase alloy ingredient-elasticity modulus batch
Experimental data, it is last to determine corresponding titanium alloy component according to elasticity modulus minimum.
PHASE DIAGRAM CALCULATION described in step (1) preferably uses business software for calculation THERMO-CALC or Pandat.
The method of two of determination diffusion couple to be studied described in step (1) end border group metamembers are as follows: to binary system,
It is preferred that calculating ingredient-phase diagrams；To ternary system, the isothermal section figure of different temperatures is preferably calculated；It is excellent to multicomponent system
Choosing calculates the facies relationship diagram of heterogeneity alloy；Then in ingredient-phase diagrams or isothermal section figure or heterogeneity alloy
In facies relationship diagram, determines the BCC phase region that titanium mass percent is higher than in 50% range, take in the region component difference most
Two endpoint values when the corresponding fractional value, i.e. titanium alloy component gradient maximum of two big titanium alloys, expansion as to be studied
Dissipate even two ends border group metamember.
End border group metamember described in step (1) can be pure metallic composition or alloying component.
Melting described in step (2) preferably uses arc melting method, and in fusion process, volatile metal is placed on down
Refractory metal is crushed and is placed on above by face, and repeatedly overturns to guarantee that the ingredient of ingot is uniform, and smelting temperature is higher than phase
The corresponding liquidus temperature of the gained ingredient after figure calculates.
Described volatile metal such as Mn or Cr etc.；Refractory metal such as Ta or W etc..
Obtain the uniform blocks of ingot core described in step (2), and to block carry out annealing be in order to
Obtain that ingredient is uniform and the biggish block sample of crystallite dimension；The uniform blocks of ingot core are obtained by the way of wire cutting
The flatness for being conducive to improve block surface, makes both ends sample in diffusion couple preparation process combine closely；It is placed in quartz ampoule
Titanium sponge or sponge yttrium are that block is oxidized in annealing process in order to prevent.
Uniform blocks described in step (2) are preferably dimensioned to be with a thickness of 0.5~10mm, long 1~50mm, wide by 1~
50mm。
Vacuum degree in container described in step (2) is preferably smaller than 10Pa, and the temperature of the annealing is preferably 900~
1200℃；Time is preferably 2~10 days.
Block is preferably successively carried out sand paper polishing, mechanical polishing, deionization by the mode of grinding and polishing described in step (2)
Water or EtOH Sonicate cleaning and low temperature drying finally make specimen surface cleaning light not have obvious scratch and No oxided film.
High-Purity Molybdenum fixture is preferably used to fix the method that two end border constituent elements are fixed together described in step (3),
Guarantee that two ends border constituent element can fit closely together and generate obvious deformation.
Vacuum degree in container described in step (3) is preferably smaller than 10Pa, and the temperature of the annealing is preferably 900~
1200℃；Time is preferably 6~48 hours.
The method of quenching described in step (2) and step (3) is preferably placed in mixture of ice and water.
The analysis of heterogeneous microstructure described in step (4) is preferably visited using electron probe, scanning electron microscope or Three-dimensional atom
Needle carries out.
Component gradient described in step (4) analysis method preferably use spectrometer carry out fixed point analysis or energy disperse spectroscopy into
Row Surface scan.
The method of the test of elasticity modulus described in step (4) is preferably nano impress.
The analysis of heterogeneous microstructure described in step (4), component gradient analysis and elasticity modulus test can be in one piece of lists
It is completed on phase diffusion couple, before analyzing or testing every time, it is necessary first to sanding and polishing be carried out to diffusion couple and deionized water ultrasound is clear
It the surface treatment such as washes, then is analyzed or tested.
Compared with prior art, the present invention having the following advantages and benefits:
1, the present invention in low elastic modulus biological titanium alloy screening technique be easily achieved, efficient quick, compared with tradition research
Method can greatly save research and development, manpower and time cost.
2, the screening technique of low elastic modulus biological titanium alloy can obtain a large amount of approximate continuous in a short time in the present invention
Phase composition-alloying component-elasticity modulus correspond to experimental data information, facilitate for BCC phase titanium alloy system carry out comprehensively,
The understanding of system.
Detailed description of the invention
Fig. 1 is isothermal section figure of the gained Ti-Nb-Zr system at 900 DEG C in embodiment 1.
Fig. 2 is the pictorial diagram of the folder of High-Purity Molybdenum used in the embodiment of the present invention 1~3.
Fig. 3 is the flow diagram that diffusion couple is prepared in step of the present invention (3).
Fig. 4 is the elasticity modulus of gained Ti-Nb-Zr diffusion couple in embodiment 1 with the distribution map of composition transfer.
Fig. 5 is isothermal section figure of the gained Ti-Nb-Cr system at 1000 DEG C in embodiment 2.
Fig. 6 is the secondary electron image of the heterogeneous microstructure of gained Ti-Nb-Cr diffusion couple in embodiment 2.
Fig. 7 is the elasticity modulus of gained Ti-Nb-Cr diffusion couple in embodiment 2 with the distribution map of composition transfer.
Fig. 8 is the elasticity modulus of gained Ti-Nb-Zr-Cr diffusion couple in embodiment 3 with the distribution map of composition transfer.
Specific embodiment
Below with reference to embodiment and attached drawing, the present invention is described in further detail, but embodiments of the present invention are unlimited
In this.For not specifically specified technological parameter, routine techniques progress can refer to.
Embodiment 1
The present embodiment provides a kind of methods of the Ti-Nb-Zr alloy of quickly screening low elastic modulus.
(1) PHASE DIAGRAM CALCULATION is carried out to Ti-Nb-Zr system alloy, the isothermal section figure at 900 DEG C of gained is as shown in Figure 1, really
Fixed two ends border group metamember is respectively pure Ti and Ti-17.70at.%Nb-29.50at.%Zr alloy.
(2) using high-purity Ti, high-purity N b and high-purity Zr as raw material, the pure Ti ingot of melting and Ti- in arc-melting furnace
17.70at.%Nb-29.50at.%Zr alloying metal ingot.When melting, arc temperature is more than 3400 DEG C, carries out five to ingot
Secondary overturning is overturn interval time 1 minute every time.After melting, obtained ingot is subjected to wire cutting, coring portion is having a size of 8 × 8
×1mm3Block.By block surface successively by corase grinding, fine grinding, deionized water ultrasonic cleaning and low temperature drying, it is then placed in
The vacuum sealing for being equipped with titanium sponge enters in quartz ampoule (vacuum degree is lower than 10Pa), carries out homogenizing annealing in 900 DEG C of annealing furnaces,
It is immediately placed in ice water after 10 days from taking-up in furnace, cracking quartz ampoule makes block cool down rapidly.Again by the pure Ti block after annealing
Corase grinding, fine grinding, polishing, deionized water ultrasonic cleaning and low temperature drying are successively passed through in the surface of body and Ti-Nb-Zr alloy block,
Obtain two ends border constituent element of diffusion couple.
(3) the two end border constituent elements obtained step (2) with special High-Purity Molybdenum fixture shown in Fig. 2 according to Fig. 3 mode into
Row is fixed, and is put into and is equipped with the vacuum sealing of titanium sponge and enters in quartz ampoule, carries out high annealing in 900 DEG C of annealing furnaces, and 48 hours
It is placed in ice water from taking-up quartz ampoule in annealing furnace afterwards, cracking quartz ampoule rapidly makes gained diffusion couple cool down in 1 minute.It dismantles
Molybdenum fixture obtains the diffusion couple of the component gradient of pure Ti/Ti-17.70at.%Nb-29.50at.%Zr alloy.
(4) diffusion couple obtained in step (3) is roughly ground, at fine grinding, polishing, deionized water ultrasonic cleaning and drying
Reason, carries out heterogeneous microstructure analysis with electron probe, determines BCC phase region, and it is fixed to carry out component gradient distribution with wave spectrum
Amount analysis, carries out elasticity modulus measure of spread with nano-hardness tester, and then establish ingredient and the corresponding experiment number of elasticity modulus
According to library, elasticity modulus is as shown in Figure 4 with the curve of diffusion couple composition transfer.Become by elasticity modulus size at comparison heterogeneity
Change situation, quickly filters out the minimum BCC phase Ti-10.98at.%Nb-11.00at.%Zr alloy (elasticity modulus of elasticity modulus
For 43.60GPa).
Embodiment 2
The present embodiment provides a kind of methods of the Ti-Nb-Cr alloy of quickly screening low elastic modulus.
(1) PHASE DIAGRAM CALCULATION is carried out to Ti-Nb-Cr system alloy, the isothermal section figure at 1000 DEG C of gained as shown in figure 5,
Determine that two ends border group metamember is respectively Ti-17.35at.%Nb alloy and Ti-9.20at.%Cr alloy.
(2) using high-purity Ti, high-purity N b and high-purity Cr as raw material, melting Ti-17.35at.%Nb is closed in arc-melting furnace
Golden ingot and Ti-9.20at.%Cr alloying metal ingot.When melting, arc temperature is more than 3400 DEG C, is carried out five times to ingot
Overturning, overturning interval time every time is 1 minute.After melting, obtained ingot is subjected to wire cutting, coring portion is having a size of 8 × 8
×2mm3Block.By block surface successively by corase grinding, fine grinding, deionized water ultrasonic cleaning and low temperature drying, it is then placed in
The vacuum sealing for being equipped with titanium sponge enters in quartz ampoule (vacuum degree is lower than 10Pa), carries out homogenization in 1000 DEG C of annealing furnaces and moves back
Fire is immediately placed in ice water after 7 days from taking-up in furnace, and cracking quartz ampoule makes block cool down rapidly.Again by the Ti-Nb after annealing
Surface with Ti-Cr alloy block is expanded successively by corase grinding, fine grinding, polishing, deionized water ultrasonic cleaning and low temperature drying
Dissipate even two ends border constituent element.
(3) the two end border constituent elements obtained step (2) with special High-Purity Molybdenum fixture shown in Fig. 2 according to Fig. 3 mode into
Row is fixed, and is put into and is equipped with the vacuum sealing of titanium sponge and enters in quartz ampoule, carries out high annealing in 1000 DEG C of annealing furnaces, and 25 hours
It is placed in ice water from taking-up quartz ampoule in annealing furnace afterwards, cracking quartz ampoule rapidly makes gained diffusion couple cool down in 1 minute.It dismantles
Molybdenum fixture obtains the diffusion couple of the component gradient of Ti-17.35at.%Nb/Ti-9.20at.%Cr.
(4) diffusion couple obtained in step (3) is roughly ground, at fine grinding, polishing, deionized water ultrasonic cleaning and drying
Reason, carries out heterogeneous microstructure analysis with electron probe, determines BCC phase region, the secondary electricity of gained heterogeneous microstructure
Subgraph is as shown in Figure 6.Component gradient distribution quantitative analysis is carried out with wave spectrum, elasticity modulus distribution is carried out with nano-hardness tester and surveys
It is fixed, and then establish ingredient and the corresponding experimental data base of elasticity modulus, elasticity modulus with diffusion couple composition transfer curve such as
Shown in Fig. 7.By elasticity modulus size variation situation at comparison heterogeneity, the minimum BCC phase of elasticity modulus is quickly filtered out
Ti-4.7at.%Nb-6.5at.%Cr alloy (elasticity modulus 41.02GPa).
Embodiment 3
The present embodiment provides a kind of methods of the Ti-Nb-Zr-Cr alloy of quickly screening low elastic modulus.
(1) PHASE DIAGRAM CALCULATION is carried out to Ti-Nb-Zr-Cr system alloy, determine two ends border group metamember be respectively pure Ti with
Ti-26.70at.%Nb-10.50at.%Zr-2.7at.%Cr alloy.
(2) using high-purity Ti, high-purity N b, high-purity Zr and high-purity Cr as raw material, the pure Ti ingot of melting in arc-melting furnace
With Ti-26.70at.%Nb-10.50at.%Zr-2.7at.%Cr alloying metal ingot.When melting, arc temperature is more than 3400
DEG C, five overturnings, each smelting time 1 minute are carried out to ingot.After melting, obtained ingot is subjected to wire cutting, is taken
Core dimensions are 8 × 8 × 2mm3Block.By block surface successively by corase grinding, fine grinding, deionized water ultrasonic cleaning and low temperature
Drying is then placed in and is equipped with the vacuum sealing of titanium sponge and enters in quartz ampoule (vacuum degree be lower than 10Pa), in 1200 DEG C of annealing furnace
Homogenizing annealing is carried out, is immediately placed in ice water after 2 days from taking-up in furnace, cracking quartz ampoule makes block cool down rapidly.Again will
The surface of pure Ti block and Ti-Nb-Zr-Cr alloy block after annealing is successively super by corase grinding, fine grinding, polishing, deionized water
Sound cleaning and low temperature drying, obtain two ends border constituent element of diffusion couple.
(3) the two end border constituent elements obtained step (2) with special High-Purity Molybdenum fixture shown in Fig. 2 according to Fig. 3 mode into
Row is fixed, and is put into and is equipped with the vacuum sealing of titanium sponge and enters in quartz ampoule, carries out high annealing in 1200 DEG C of annealing furnaces, and 6 hours
It is placed in ice water from taking-up quartz ampoule in annealing furnace afterwards, cracking quartz ampoule rapidly makes gained diffusion couple cool down in 1 minute.It dismantles
Molybdenum fixture obtains the diffusion of the component gradient of pure Ti/Ti-26.70at.%Nb-10.50at.%Zr-2.7at.%Cr alloy
It is even.
(4) diffusion couple obtained in step (3) is roughly ground, at fine grinding, polishing, deionized water ultrasonic cleaning and drying
Reason, carries out heterogeneous microstructure analysis with electron probe, determines BCC phase region, and it is fixed to carry out component gradient distribution with wave spectrum
Amount analysis, carries out elasticity modulus measure of spread with nano-hardness tester, and then establish ingredient and the corresponding experiment number of elasticity modulus
According to library, elasticity modulus is as shown in Figure 8 with the curve of diffusion couple composition transfer.Become by elasticity modulus size at comparison heterogeneity
Change situation, quickly filters out the minimum BCC phase Ti-8.22at.%Nb-2.68at.%Zr-0.83at.%Cr of elasticity modulus and close
Golden (elasticity modulus 46.35GPa).
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (10)
1. a kind of method of quickly screening low elastic modulus biological titanium alloy, which comprises the following steps:
(1) two ends border group metamember of diffusion couple to be studied is determined using the method for PHASE DIAGRAM CALCULATION；
(2) according to the two ends border group metamember determined in step (1), melting is carried out by raw material of pure metal, obtains two ends
Border constituent element ingot, then ingot obtained by wire cutting, obtains the uniform blocks of ingot core, clears up block surface, then close
It encloses vacuum and has in the container of titanium sponge or sponge yttrium, made annealing treatment, block is taken out after annealing and is quenched, to block
Grinding and polishing is carried out, two ends border constituent element of diffusion couple is obtained；
(3) two ends border constituent element obtained in step (2) is fixed together, is encapsulated into vacuum and has titanium sponge or sponge yttrium
Container in, made annealing treatment, block together will be already fixed to after annealing and takes out quenching, obtains diffusion couple；
(4) heterogeneous microstructure analysis is carried out to diffusion couple obtained in step (3), so that it is determined that BCC phase region, to this
Region carries out component gradient analysis and elasticity modulus test, obtains titanium alloy BCC phase alloy ingredient-elasticity modulus batch experiment
Data, it is last to determine corresponding titanium alloy component according to elasticity modulus minimum.
2. the method for quick screening low elastic modulus biological titanium alloy according to claim 1, which is characterized in that step
(1) method of two end border group metamembers of the determination diffusion couple to be studied described in are as follows: to binary system, calculate ingredient-
Phase diagrams；To ternary system, the isothermal section figure of different temperatures is calculated；To multicomponent system, the phase of heterogeneity alloy is calculated
Relational graph；Then in the facies relationship diagram of ingredient-phase diagrams or isothermal section figure or heterogeneity alloy, titanium quality hundred is determined
Score is higher than the BCC phase region in 50% range, take in the region maximum two titanium alloys of component difference corresponding at
Two endpoint values when fractional value, i.e. titanium alloy component gradient maximum, two ends border group metamember of diffusion couple as to be studied.
3. the method for quick screening low elastic modulus biological titanium alloy according to claim 1, it is characterised in that: step
(1) the end border group metamember described in is pure metallic composition or alloying component.
4. the method for quick screening low elastic modulus biological titanium alloy according to claim 1, it is characterised in that: step
(2) vacuum degree in container described in is less than 10Pa, and the temperature of the annealing is 900~1200 DEG C, and the time is 2~10
It.
5. the method for quick screening low elastic modulus biological titanium alloy according to claim 1, it is characterised in that: step
(2) melting described in uses arc melting method, in fusion process, volatile metal is placed in the following, refractory metal is broken
It is broken and be placed on above, and repeatedly overturn to guarantee that the ingredient of ingot is uniform, smelting temperature be higher than after PHASE DIAGRAM CALCULATION gained this at
Divide corresponding liquidus temperature.
6. the method for quick screening low elastic modulus biological titanium alloy according to claim 1, it is characterised in that: step
(2) mode of the grinding and polishing described in is that block is successively carried out to sand paper polishing, mechanical polishing, deionized water or EtOH Sonicate cleaning
And low temperature drying, so that specimen surface cleaning light is not had obvious scratch and No oxided film.
7. the method for quick screening low elastic modulus biological titanium alloy according to claim 1, it is characterised in that: step
(3) method that two end border constituent elements are fixed together described in is to be fixed using High-Purity Molybdenum fixture, guarantees two ends border group
Member can fit closely together and generate obvious deformation.
8. the method for quick screening low elastic modulus biological titanium alloy according to claim 1, it is characterised in that: step
(3) vacuum degree in container described in is less than 10Pa, and the temperature of the annealing is 900~1200 DEG C, and the time is 6~48 small
When.
9. the method for quick screening low elastic modulus biological titanium alloy according to claim 1, it is characterised in that: step
(2) and the method for quenching described in step (3) is to be placed in mixture of ice and water.
10. the method for quick screening low elastic modulus biological titanium alloy according to claim 1, it is characterised in that:
The analysis of heterogeneous microstructure described in step (4) is carried out using electron probe, scanning electron microscope or three-dimensional atom probe；
The component gradient analysis method carries out fixed point analysis using spectrometer or energy disperse spectroscopy carries out Surface scan；
The method of the elasticity modulus test is nano impress.
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| CN111044544B (en) * | 2019-12-18 | 2022-11-18 | 山东省科学院新材料研究所 | In-situ quantitative detection method for diffusion growth of multi-element intermetallic compound and application |
| CN111136268A (en) * | 2020-01-13 | 2020-05-12 | 桂林电子科技大学 | High-throughput alloy preparation and Ho-Fe-B phase diagram test method |
| CN111136268B (en) * | 2020-01-13 | 2022-04-19 | 桂林电子科技大学 | High-throughput alloy preparation and Ho-Fe-B phase diagram test method |
| CN113528990A (en) * | 2021-06-17 | 2021-10-22 | 暨南大学 | Low-modulus high-strength high-wear-resistance biological titanium alloy and preparation method and application thereof |
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