CN104458495A - Method for measuring particle volume fraction of reinforced body in particle-reinforced metal-based composite material - Google Patents
Method for measuring particle volume fraction of reinforced body in particle-reinforced metal-based composite material Download PDFInfo
- Publication number
- CN104458495A CN104458495A CN201410712678.2A CN201410712678A CN104458495A CN 104458495 A CN104458495 A CN 104458495A CN 201410712678 A CN201410712678 A CN 201410712678A CN 104458495 A CN104458495 A CN 104458495A
- Authority
- CN
- China
- Prior art keywords
- sample
- quality
- particle
- composite material
- filter paper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The invention belongs to the technical field of particle-reinforced metal-based composite material component analysis, and particularly relates to a method for measuring the volume fraction of a ceramic particle-reinforced body in a ceramic particle-reinforced metal-based composite material, aiming at solving the problem that the true volume of the composite material is not obtained in the prior art, so that the macroscopic content of reinforced body particles is not accurate enough, and the like. A method of combining density measurement and a dissolution method can be used for measuring the true density of the composite material by considering the influence of porosity in the composite material, so that the true volume of the composite material can be obtained; the dissolution method can be used for obtaining the macroscopic true volume of the reinforced body particles, and the actual volume percentage of the reinforced body particles can be finally obtained. When used for measuring the volume percentage of the reinforced body particles in the composite material, the method has the characteristics of being reliable and accurate in results and simple, convenient and practical in operation, and has practical significance in accurately controlling the content of the reinforced body particles in the metal-based composite material and obtaining the material with stable and reliable components.
Description
Technical field
The invention belongs to particles reiforced metal-base composition constituent analysis technical field, be specifically related to the measuring method of a kind of ceramic particle reinforcement volume fraction in ceramic particle reinforced metal base composites.
Background technology
From the particles reiforced metal-base composition appearance sixties in last century so far, due to plurality of advantages such as its high specific strength had, specific stiffness, antifatigue, creep resistant, heat-resisting, wear-resisting, high thermal conductance, low-thermal-expansions, obtain increasingly extensive application in military and civilian fields such as Aero-Space, electronic information, automobile, high speed machines, its preparation method mainly comprises vacuum melting method, powder metallurgic method, method of impregnation and spray deposition etc.From the viewpoint of business manufacturing cost and complex process degree, many employing vacuum melting methods and powder metallurgic method at present.
Canadian Alcan company establishes the factory manufacturing particle enhanced aluminum-based composite material with stir casting.The major product of the DWA company of the U.S. set up in 1974 is with 6092,2009 and 6063 for matrix, SiC, B
4c particle is the compound substance of reinforcement.Wherein, DWA compound substance company and Lockheed Martin Corporation and air force cooperate, SiC particle enhanced aluminum-based composite material powder metallurgic method prepared is used for the abdomeinal fin of F-16 fighter plane, instead of original 2214 aluminum alloy outer covers, not only make rigidity improve 50%, the life-span also brought up to about 8000h by hundreds of hours.Current USAF using this aluminum matrix composite abdomeinal fin as the acknowledgment copy of active service F-16 fighter plane, just progressively change
[1].In late 1990s, SiC particle enhanced aluminum-based composite material obtains formal application on airliner.Pu Hui company is from PW4084 engine, by As-extruded SiC particles reinforced wrought aluminium alloy based composites (6092/SiC/17.5p-T6) produced with DWA company, as fan outlet guide vane, for the Boeing 777 of all employing PW4000 systems engine, this material has impact, the erosion of resistance to foreign body, and cost declines about 1/3rd
[2].The 2024/SiC/30-35p aluminum matrix composite that Advanced Composite Materials Corp. ACMC belonging to ARCO chemical company of the U.S. produces, function admirable, can be used to the aircraft structure replacing the alloy such as Al, Ti to manufacture, as the undercarriage of: helicopter, nose of wing reinforcement and large general sinusoidal ellbeam.In addition, A357/SiC particle enhanced aluminum-based composite material also can manufacture airplane hydraulic pressure pipe, the undercarriage of helicopter and valve body.Lockheed Martin Corporation's 2009 aluminum matrix composites prepared by silicon-carbide particle successfully produce the advanced ground vertical fin stabilator from jet fighter, are the main structural members of metal-base composites maximum at present
[3].Within 1985, the U.S. adopts Al/SiCp compound substance to make Missile inertia device instrument housing, in order to alternative beryllium alloy and aluminium alloy, and develops into the third generation space flight inertia device after aluminium alloy, beryllium alloy.Within 1987 ~ 1988 years, ACMC company of the U.S. cooperates with University of Arizona optical research center, adopts SiC particle enhanced aluminum-based composite material to be developed into ultra lightweighting (ULW) space telescope (comprising structure truss parts and catoptron).The ACMC company SiC particle enhanced aluminum-based composite material that powder metallurgic method manufactures also puts mirror etc. for scanning high speed in laser mirror, satellite sun energy catoptron, Space Remote Sensors
[3].In recent years, about the research of high energy particle and ray aluminum-base compound shielding material receives closer concern, wherein B
4cp/Al alloy composite materials is by B
4c ceramic particle dispersion is distributed in Al alloy substrate, except the principal advantages having particle enhanced aluminum-based composite material, also possesses excellent neutron absorption performance, is extraordinary structure-function integration material, is suitable for use as radiation shielding material.Existing BorTec
tM, METAMIC
tMwith multiple B such as Talborm
4cp/Al material obtains nuclear energy management committee of the U.S. (NRC) and checks and approves, and may be used for manufacturing the neutron-absorbing inner bag of Radioactive Wastes Burial bucket, the dividing plate etc. in spent fuel rod storage pond
[4].The correlated performance of this kind of material is mainly by SiC, B
4how the impact of the reinforcement granule contents such as C, can play vital effect for the final performance controlling material by the content of reinforcement particle in Measurement accuracy compound substance as seen.
Domestic many R&D institutions have also carried out a lot of research work in particles reiforced metal-base composition field.As Beijing Research Inst. of Aeronautic Material development particle enhanced aluminum-based composite material Satellite Camera part compared with former designing material titanium alloy, quality reduces 35%, and the heat transfer property of part improves 10 times, has been applied on " No. two, resource " satellite of China
[5].Through the effort that the more than ten years are hard, Beijing Non-Ferrous Metal Research General Academy has successfully developed has high tough, high rigidity, fatigue proof powder metallurgy 15-25SiCp/2009A compound substance, and this material can adopt the conventional machining techniques such as extruding, rolling, forging, machine work to produce Aero-Space large scale, complex-shaped parts
[6].
List of references:
[1] aerospace applications of enhancing aluminum-base composite material by silicon carbide particles, Cui Yan, material engineering [J], 2002,3-6.
[2]Miracle D B.ASM Handbook(21):Composites[M].Materials Park Ohio:ASMInternational,2001:1043。
[3] particle enhanced aluminum-based composite material is in the application of aerospace field, Jinpeng, Liu Yue, Li Shu, Xiao Bailv, material Leader [J], vol23 (6), 2009,24-27.
[4] present condition and developing tendency of metal-base composites, Zhang Di, Zhang Guoding, Li Zhiqiang, Chinese material progress [J], vol29 (4), 2010,2-6.
[5] development and application of particle enhanced aluminum-based composite material, Gui Manchang, Jiangsu scientific and technical information [J], 2002, (3): 22.
[6] powder metallurgic method prepares the Study and appliance of metal-base composites, Liu Yanqiang, Fan Jianzhong, Sang Jimei, Shi Likai, material Leader, vol24 (12), 2010,18-23.
In existing particles reiforced metal-base composition, the detection method of granule content is according to the characteristic of material and reinforcement particle thereof, mainly contains following two kinds: metallographic method and dissolution method.Wherein,
First metallographic method prepares metallographic specimen, after obtaining the metallograph of the some of material under the continuous visual field of identical enlargement factor, adopt image analysis software to measure the area ratio of particle in two dimensional image, get the volume content that its mean value represents reinforcement particle in three-dimensional composite material.As: the mensuration for silicon-carbide particle content is described in GJB5975-2007 " SiC particles reinforced cast aluminum base composite material specification ", adopts and get area 16mm from single casting sample or ingot casting
2~ 100mm
2sample, make metallographic specimen, measure the area of silicon-carbide particle in field of view by image analytical method or other analytic system, each test value should be the mean value of five random field.The limitation of this kind of method is that the visual field measured is microcosmic visual field, well can not represent macroscopical content of reinforcement particle, and the volume ratio that the area ratio of two dimension represents three-dimensional needs logarithm value to carry out certain correction.
Dissolution method adopts corrosive liquid to be dissolved by matrix alloy, collects reinforcement particle and calculates volume, but not considering the true volume of compound substance.
Summary of the invention
The object of the present invention is to provide a kind of measuring method of particles reiforced metal-base composition reinforcement grain volume fraction, to solve in prior art owing to not obtaining the true volume of compound substance, the problem such as cause macroscopical content of reinforcement particle not accurate enough.
Technical scheme of the present invention is:
A measuring method for particles reiforced metal-base composition reinforcement grain volume fraction, comprises the steps:
(1) each one of the sample of 6 ~ 10g regular shape is chosen at the place of two end face distance centers 2/3rds up and down of compound substance, specimen surface 600 order waterproof abrasive papers polish, then be immersed in absolute ethyl alcohol and used Ultrasonic Cleaning 1 ~ 2min, dried up stand-by after taking-up;
(2) use degree of accuracy to be ten thousand/ electronic analytical balance weigh the quality of sample, with tweezers gripping sample, first weigh the quality of sample in atmosphere, the quality of sample is weighed again in water, each sample weighs 3 times, average, five position effective digitals after result reservation radix point, adopt the real density of following formulae discovery compound substance:
ρ
T＝Aρ
0/(A-B) (1)
ρ
tfor the real density of compound substance, unit: g/cm
3;
A claims quality, unit in sample air: g;
B is that sample claims quality, unit in distilled water: g;
ρ
0distilled water density under corresponding temperature during for weighing, unit: g/cm
3;
(3) on the above-mentioned sample obtained, intercepting 2 ~ 3 quality again separately is the sample of 0.5 ~ 1.5g, is immersed in absolute ethyl alcohol and uses Ultrasonic Cleaning 1min, dries up stand-by after taking-up;
(4) then, use degree of accuracy to be ten thousand/ electronic analytical balance weigh the quality of sample, with tweezers gripping sample, each sample weighs 3 times, average, five position effective digitals after result reservation radix point, same weighing quantitative filter paper quality, adopts the true volume of following formulae discovery sample:
V＝m/ρ
T(2)
V is the true volume of composite material small sample, unit: cm
3;
M is the quality of composite material small sample, unit: g;
ρ
tfor the real density of compound substance, unit: g/cm
3;
(5) be the nitric acid of 10 ~ 30vol%, sulfuric acid or both mixed solutions with beaker compound concentration, then sample is put into respectively the beaker filling acid solution and cover the heating of glass surface ware, solution temperature is 80 ~ 100 DEG C, till metallic matrix dissolves completely; Due to the stable chemical nature of reinforcement particle, not with acid, aqueous slkali generation chemical reaction, be retained;
(6) be cooled to lower than when 40 DEG C or add deionized water and make solution temperature lower than 40 DEG C until solution, re-use the quantitative filter paper after weighing and filter, the beaker taking up solution finally at least uses washed with de-ionized water 3 ~ 4 times; Meanwhile, irrigation and drainage glass bar, till not having reinforcement particle residue at the bottom of observation wall of cup and cup; Then divide with deionized water and clean filter paper three times, ensure the solution that filter paper adsorbs to rinse well;
(7) filter paper drying use ten thousand afterwards/ electronic analytical balance weigh the quality of filter paper and ceramic particle, average for 3 times, result retains five position effective digitals after radix point equally, adopts the volume of following formulae discovery ceramic particle:
V
Z＝(m
1-m
2)/ρ
B(3)
V
zfor reinforcement particle volume in sample, unit: cm
3;
M
1for the quality of quantitative filter paper after drying and reinforcement particle, unit: g;
M
2for the quality of quantitative filter paper, unit: g;
ρ
bfor the density of reinforcement, unit: g/cm
3;
(8) adopt following formulae discovery reinforcement particle volumn concentration in the composite, result retains 2 significant digits significant figure, and net result gets the mean value of sample;
F
v＝V
Z/V×100％ (4)
F
vfor ceramic particle volume content in the composite;
V
zfor reinforcement particle volume in sample, unit: cm
3;
V is the true volume of composite material small sample, unit: cm
3.
The measuring method of described particles reiforced metal-base composition reinforcement grain volume fraction, in step (6), in order to accelerate the rate of drying of filter paper, finally using absolute ethyl alcohol to rinse, then being proceeded to by filter paper in clean environment dry.
The measuring method of described particles reiforced metal-base composition reinforcement grain volume fraction, the method is applicable to SiC, B
4the aluminum matrix composite of the graininess wild phases such as C, BN, WC, graphite or adamas.
Advantage of the present invention and beneficial effect are:
1, for problems of the prior art, the method that the present invention adopts density measure and dissolution method to combine: by considering the impact of compound substance mesoporosity rate, measuring the real density of compound substance, obtaining the true volume of compound substance; And dissolution method can obtain the Macro authenticity volume of reinforcement particle, finally obtain actual reinforcement particle volumn concentration in the composite.
2, the inventive method is applicable to SiC, B
4the metal-base composites of the graininess wild phases such as C, BN, WC, graphite, adamas.
3, the inventive method measurement reinforcement particle volumn concentration is in the composite used to have the feature of accurate, the easy and simple to handle practicality of real result, for accurately controlling the content of reinforcement particle in metal-base composites, obtaining the reliable material of stable components and there is practical significance.
Accompanying drawing explanation
Fig. 1 is the metallograph schematic diagram of embodiment 1.
Fig. 2 is the metallograph schematic diagram of embodiment 2.
Embodiment
Embodiment 1
For B
4c ceramic particle reinforcement is at B
4c ceramic particle strengthens the measuring method of volume fraction in 2009 aluminum matrix composites, comprises the steps:
1. first, each one of the sample of 6 ~ 10g regular shape is chosen at the place of two end face distance centers 2/3rds up and down of compound substance, specimen surface 600 order waterproof abrasive papers polish, and are then immersed in absolute ethyl alcohol and use Ultrasonic Cleaning 1min, dry up stand-by after taking-up.
2. then, use degree of accuracy to be ten thousand/ electronic analytical balance weigh the quality of sample, require with tweezers gripping sample, first weigh the quality of sample in atmosphere, then in water, weigh the quality of sample, each sample weighs 3 times, average, five position effective digitals after result reservation radix point.Adopt the real density of following formulae discovery compound substance:
ρ
T＝Aρ
0/(A-B) (1)
ρ
tfor the real density of compound substance, be respectively for three times: 2.71683g/cm
3, 2.71605g/cm
3, 2.72263g/cm
3, mean value 2.71851g/cm
3;
Wherein, A claims quality in sample air, is respectively for three times: 9.13443g, 9.13382g, 9.13370g;
B is that sample claims quality in distilled water, is respectively for three times: 5.78095g, 5.77959g, 5.78763g;
ρ
0distilled water density: 0.99742g/cm under corresponding temperature during for weighing
3.
Consider compound substance mesoporosity rate and distillation buoyancy of water, so weigh up sample quality in distilled water, obtain the real density of compound substance.
3. on the above-mentioned sample obtained, intercepting 2 ~ 3 quality again separately is the sample of 0.5 ~ 1.5g, is immersed in absolute ethyl alcohol and uses Ultrasonic Cleaning 1min, dries up stand-by after taking-up.
4. then, use degree of accuracy to be ten thousand/ electronic analytical balance weigh the quality of sample, require that each sample weighs 3 times, averages with tweezers gripping sample, result retains five position effective digitals after radix point, weighs quantitative filter paper quality equally.Adopt the true volume of following formulae discovery sample:
V＝m/ρ
T(2)
V is the true volume of composite material small sample, is respectively for three times: 0.30652cm
3, 0.30714cm
3, 0.30691cm
3, mean value 0.30686cm
3;
Wherein, m is the quality of composite material small sample, is respectively for three times: 0.83328g, 0.83496g, 0.83434g;
ρ
treal density for compound substance: 2.71851g/cm
3.
5. preparing 100 ~ 150ml concentration with the beaker of 200ml is the nitric acid of 10 ~ 30vol%, then sample is put into respectively the beaker filling acid solution and cover the heating of glass surface ware, solution temperature is 80 ~ 100 DEG C, till aluminum matrix alloy dissolves completely, now due to the stable chemical nature of reinforcement particle, not with acid, aqueous slkali generation chemical reaction, be therefore retained.
6. when solution is cooled to lower than 40 DEG C, re-use the quantitative filter paper after weighing and filter, the beaker taking up solution finally at least uses washed with de-ionized water 3 ~ 4 times; Meanwhile, irrigation and drainage glass bar, till not having reinforcement particle residue at the bottom of observation wall of cup and cup; Then with about 150ml deionization moisture three cleaning filter paper, ensure the solution that filter paper adsorbs to rinse well.In order to accelerate the rate of drying of filter paper, finally using 50ml absolute ethyl alcohol to rinse, then filter paper being proceeded in clean environment dry.
7. filter paper drying use ten thousand afterwards/ electronic analytical balance weigh filter paper and B
4the quality of C particle, averages for 3 times, and result retains five position effective digitals after radix point equally.Adopt following formulae discovery B
4the volume of C particle:
V
Z＝(m
1-m
2)/ρ
B(3)
V
zfor reinforcement particle volume in sample, be respectively for three times: 0.066652cm
3, 0.066644cm
3, 0.066652cm
3, mean value 0.066650cm
3;
Wherein, m
1for the quality of quantitative filter paper after drying and reinforcement particle, be respectively for three times: 0.40455g, 0.40445g, 0.40452g;
M
2for the quality of quantitative filter paper, be respectively for three times: 0.23712g, 0.23704g, 0.23709g;
ρ
bdensity for reinforcement: 2.512g/cm
3.
8. adopt following formulae discovery reinforcement particle volumn concentration in the composite, result retains 2 significant digits significant figure, and net result gets the mean value of sample.
F
v＝V
Z/V×100％ (4)
F
vfor B
4c particle volume content in the composite: 21.72%;
Wherein, V
zfor reinforcement particle volume: 0.066650cm in sample
3;
V is the true volume of composite material small sample: 0.30686cm
3.
In the present embodiment, metallograph as shown in Figure 1, calculates B through said method
4c particle volume content is in the composite 21.72%.
Embodiment 2
For B
4c ceramic particle reinforcement is at B
4c ceramic particle strengthens the measuring method of volume fraction in 2009 aluminum matrix composites, comprises the steps:
1. first, each one of the sample of 6 ~ 10g regular shape is chosen at the place of two end face distance centers 2/3rds up and down of compound substance, specimen surface 600 order waterproof abrasive papers polish, and are then immersed in absolute ethyl alcohol and use Ultrasonic Cleaning 1min, dry up stand-by after taking-up.
2. then, use degree of accuracy to be ten thousand/ electronic analytical balance weigh the quality of sample, require with tweezers gripping sample, first weigh the quality of sample in atmosphere, then in water, weigh the quality of sample, each sample weighs 3 times, average, five position effective digitals after result reservation radix point.Adopt the real density of following formulae discovery compound substance:
ρ
T＝Aρ
0/(A-B) (1)
ρ
tfor the real density of compound substance, be respectively for three times: 2.73918g/cm
3, 2.71931g/cm
3, 2.71839g/cm
3, mean value 2.72563g/cm
3;
Wherein, A claims quality in sample air, is respectively for three times: 7.98437g, 7.98493g, 7.98482g;
B is that sample claims quality in distilled water, is respectively for three times: 5.07702g, 5.05612g, 5.05506g;
ρ
0distilled water density: 0.99742g/cm under corresponding temperature during for weighing
3.
Consider compound substance mesoporosity rate and distillation buoyancy of water, so weigh up sample quality in distilled water, obtain the real density of compound substance.
3. on the above-mentioned sample obtained, intercepting 2 ~ 3 quality again separately is the sample of 0.5 ~ 1.5g, is immersed in absolute ethyl alcohol and uses Ultrasonic Cleaning 1min, dries up stand-by after taking-up.
4. then, use degree of accuracy to be ten thousand/ electronic analytical balance weigh the quality of sample, require that each sample weighs 3 times, averages with tweezers gripping sample, result retains five position effective digitals after radix point, weighs quantitative filter paper quality equally.Adopt the true volume of following formulae discovery sample:
V＝m/ρ
T(2)
V is the true volume of composite material small sample, is respectively for three times: 0.23449cm
3, 0.23448cm
3, 0.23447cm
3, mean value 0.23448cm
3;
Wherein, m is the quality of composite material small sample, is respectively for three times: 0.63913g, 0.63910g, 0.63908g;
ρ
treal density for compound substance: 2.72563g/cm
3.
5. prepare with the beaker of 200ml nitric acid, sulfuric acid or both mixed solutions that 100 ~ 150ml concentration is 10 ~ 30vol%, then sample is put into respectively the beaker filling acid solution and cover the heating of glass surface ware, solution temperature is 80 ~ 100 DEG C, till aluminum matrix alloy dissolves completely, now due to the stable chemical nature of reinforcement particle, not with acid, aqueous slkali generation chemical reaction, be therefore retained.
6. adding appropriate deionized water makes solution be cooled to lower than 40 DEG C, re-uses the quantitative filter paper after weighing and filters, and the beaker taking up solution finally at least uses washed with de-ionized water 3 ~ 4 times; Meanwhile, irrigation and drainage glass bar, till not having reinforcement particle residue at the bottom of observation wall of cup and cup; Then with about 150ml deionization moisture three cleaning filter paper, ensure the solution that filter paper adsorbs to rinse well.In order to accelerate the rate of drying of filter paper, finally using 50ml absolute ethyl alcohol to rinse, then filter paper being proceeded in clean environment dry.
7. filter paper drying use ten thousand afterwards/ electronic analytical balance weigh filter paper and B
4the quality of C particle, averages for 3 times, and result retains five position effective digitals after radix point equally.Adopt following formulae discovery B
4the volume of C particle:
V
Z＝(m
1-m
2)/ρ
B(3)
V
zfor reinforcement particle volume in sample, be respectively for three times: 0.043536cm
3, 0.043547cm
3, 0.043546cm
3, mean value 0.043543cm
3;
Wherein, m
1for the quality of quantitative filter paper after drying and reinforcement particle, be respectively for three times: 0.31545g, 0.31543g, 0.31551g;
M
2for the quality of quantitative filter paper, be respectively for three times: 0.20609g, 0.20604g, 0.20612g;
ρ
bdensity for reinforcement: 2.512g/cm
3.
8. adopt following formulae discovery reinforcement particle volumn concentration in the composite, result retains 2 significant digits significant figure, and net result gets the mean value of sample.
F
v＝V
Z/V×100％ (4)
F
vfor B
4c particle volume content in the composite: 18.57%;
Wherein, V
zfor reinforcement particle volume: 0.043543cm in sample
3;
V is the true volume of composite material small sample: 0.23448cm
3.
In the present embodiment, metallograph as shown in Figure 2, calculates B through said method
4c particle volume content is in the composite 18.57%.
Embodiment result shows, density measure and dissolution method organically combine by the present invention, has both considered the impact of compound substance mesoporosity rate, measures the real density of compound substance, obtains the true volume of compound substance; Obtained again the Macro authenticity volume of reinforcement particle by dissolution method, finally obtain actual reinforcement particle volumn concentration in the composite.Thus, use the inventive method measurement reinforcement particle volumn concentration in the composite to have the feature of accurate, the easy and simple to handle practicality of real result.
Claims (3)
1. a measuring method for particles reiforced metal-base composition reinforcement grain volume fraction, is characterized in that, comprises the steps:
(1) each one of the sample of 6 ~ 10g regular shape is chosen at the place of two end face distance centers 2/3rds up and down of compound substance, specimen surface 600 order waterproof abrasive papers polish, then be immersed in absolute ethyl alcohol and used Ultrasonic Cleaning 1 ~ 2min, dried up stand-by after taking-up;
(2) use degree of accuracy to be ten thousand/ electronic analytical balance weigh the quality of sample, with tweezers gripping sample, first weigh the quality of sample in atmosphere, the quality of sample is weighed again in water, each sample weighs 3 times, average, five position effective digitals after result reservation radix point, adopt the real density of following formulae discovery compound substance:
ρ
T＝Aρ
0/(A-B) (1)
ρ
tfor the real density of compound substance, unit: g/cm
3;
A claims quality, unit in sample air: g;
B is that sample claims quality, unit in distilled water: g;
ρ
0distilled water density under corresponding temperature during for weighing, unit: g/cm
3;
(3) on the above-mentioned sample obtained, intercepting 2 ~ 3 quality again separately is the sample of 0.5 ~ 1.5g, is immersed in absolute ethyl alcohol and uses Ultrasonic Cleaning 1min, dries up stand-by after taking-up;
(4) then, use degree of accuracy to be ten thousand/ electronic analytical balance weigh the quality of sample, with tweezers gripping sample, each sample weighs 3 times, average, five position effective digitals after result reservation radix point, same weighing quantitative filter paper quality, adopts the true volume of following formulae discovery sample:
V＝m/ρ
T(2)
V is the true volume of composite material small sample, unit: cm
3;
M is the quality of composite material small sample, unit: g;
ρ
tfor the real density of compound substance, unit: g/cm
3;
(5) be the nitric acid of 10 ~ 30vol%, sulfuric acid or both mixed solutions with beaker compound concentration, then sample is put into respectively the beaker filling acid solution and cover the heating of glass surface ware, solution temperature is 80 ~ 100 DEG C, till metallic matrix dissolves completely; Due to the stable chemical nature of reinforcement particle, not with acid, aqueous slkali generation chemical reaction, be retained;
(6) be cooled to lower than when 40 DEG C or add deionized water and make solution temperature lower than 40 DEG C until solution, re-use the quantitative filter paper after weighing and filter, the beaker taking up solution finally at least uses washed with de-ionized water 3 ~ 4 times; Meanwhile, irrigation and drainage glass bar, till not having reinforcement particle residue at the bottom of observation wall of cup and cup; Then divide with deionized water and clean filter paper three times, ensure the solution that filter paper adsorbs to rinse well;
(7) filter paper drying use ten thousand afterwards/ electronic analytical balance weigh the quality of filter paper and ceramic particle, average for 3 times, result retains five position effective digitals after radix point equally, adopts the volume of following formulae discovery ceramic particle:
V
Z＝(m
1-m
2)/ρ
B(3)
V
zfor reinforcement particle volume in sample, unit: cm
3;
M
1for the quality of quantitative filter paper after drying and reinforcement particle, unit: g;
M
2for the quality of quantitative filter paper, unit: g;
ρ
bfor the density of reinforcement, unit: g/cm
3;
(8) adopt following formulae discovery reinforcement particle volumn concentration in the composite, result retains 2 significant digits significant figure, and net result gets the mean value of sample;
F
v＝V
Z/V×100％ (4)
F
vfor ceramic particle volume content in the composite;
V
zfor reinforcement particle volume in sample, unit: cm
3;
V is the true volume of composite material small sample, unit: cm
3.
2. according to the measuring method of particles reiforced metal-base composition reinforcement grain volume fraction according to claim 1, it is characterized in that, in step (6), in order to accelerate the rate of drying of filter paper, finally use absolute ethyl alcohol to rinse, then filter paper is proceeded in clean environment dry.
3., according to the measuring method of particles reiforced metal-base composition reinforcement grain volume fraction according to claim 1, it is characterized in that, the method is applicable to SiC, B
4the aluminum matrix composite of the graininess wild phases such as C, BN, WC, graphite or adamas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410712678.2A CN104458495B (en) | 2014-11-28 | 2014-11-28 | Method for measuring particle volume fraction of reinforced body in particle-reinforced metal-based composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410712678.2A CN104458495B (en) | 2014-11-28 | 2014-11-28 | Method for measuring particle volume fraction of reinforced body in particle-reinforced metal-based composite material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104458495A true CN104458495A (en) | 2015-03-25 |
| CN104458495B CN104458495B (en) | 2017-01-18 |
Family
ID=52904907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410712678.2A Expired - Fee Related CN104458495B (en) | 2014-11-28 | 2014-11-28 | Method for measuring particle volume fraction of reinforced body in particle-reinforced metal-based composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104458495B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111665166A (en) * | 2020-06-30 | 2020-09-15 | 南京航空航天大学 | Method for determining density of ceramic matrix composite substrate |
| CN113466085A (en) * | 2021-06-21 | 2021-10-01 | 中国原子能科学研究院 | Density measuring method and density measuring method for calcined product of radioactive waste liquid |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060144149A1 (en) * | 2004-12-31 | 2006-07-06 | Reed Francis A | Nondestructive inspection method and system therefor |
| JP2006249452A (en) * | 2005-03-08 | 2006-09-21 | Taiheiyo Cement Corp | Method for producing metal matrix composite for casting |
| CN101016594A (en) * | 2007-03-01 | 2007-08-15 | 江苏大学 | Method of preparing original position particle reinforced zinc-based composite material |
| CN102854089A (en) * | 2012-09-12 | 2013-01-02 | 广州市华南橡胶轮胎有限公司 | Detection method of molding porosity |
-
2014
- 2014-11-28 CN CN201410712678.2A patent/CN104458495B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060144149A1 (en) * | 2004-12-31 | 2006-07-06 | Reed Francis A | Nondestructive inspection method and system therefor |
| JP2006249452A (en) * | 2005-03-08 | 2006-09-21 | Taiheiyo Cement Corp | Method for producing metal matrix composite for casting |
| CN101016594A (en) * | 2007-03-01 | 2007-08-15 | 江苏大学 | Method of preparing original position particle reinforced zinc-based composite material |
| CN102854089A (en) * | 2012-09-12 | 2013-01-02 | 广州市华南橡胶轮胎有限公司 | Detection method of molding porosity |
Non-Patent Citations (1)
| Title |
|---|
| 朱宇宏，姚强，王燕，朱晓林: "金属基复合材料检验方法研究现状", 《中国标准化》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111665166A (en) * | 2020-06-30 | 2020-09-15 | 南京航空航天大学 | Method for determining density of ceramic matrix composite substrate |
| CN111665166B (en) * | 2020-06-30 | 2021-06-29 | 南京航空航天大学 | Method for determining density of ceramic matrix composite substrate |
| CN113466085A (en) * | 2021-06-21 | 2021-10-01 | 中国原子能科学研究院 | Density measuring method and density measuring method for calcined product of radioactive waste liquid |
| CN113466085B (en) * | 2021-06-21 | 2022-08-09 | 中国原子能科学研究院 | Density measuring method and density measuring method for calcined product of radioactive waste liquid |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104458495B (en) | 2017-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2018036138A1 (en) | Method for processing actually measured three-dimensional morphology point cloud data of thin-wall shell obtained for digital photography | |
| Saravanan et al. | Metal and alloy bonding-an experimental analysis: Charge density in metals and alloys | |
| CN110387485B (en) | Component design method of metastable beta titanium alloy | |
| CN104233432B (en) | A kind of preparation method of the low solar absorptance high infrared radiance pottery thermal control coating in the growth of magnesium lithium alloy surface in situ | |
| Korenko et al. | Electrochemical separation of uranium in the molten system LiF–NaF–KF–UF4 | |
| CN104458495B (en) | Method for measuring particle volume fraction of reinforced body in particle-reinforced metal-based composite material | |
| CN112949153A (en) | Rapid prediction method for heat transfer characteristic of periodic structure composite material at high temperature | |
| Wang et al. | Electrochemical separation of uranium and cerium in molten LiCl–KCl | |
| Hu et al. | Crack development behavior in thermally sprayed anti-oxidation coating under repeated thermal-oxygen coupling environment | |
| Wang et al. | Lightweight design of an AlSi10Mg aviation control stick additively manufactured by laser powder bed fusion | |
| Li et al. | Corrosion behavior of B 4 C/6061Al neutron absorber composite in different H 3 BO 3 concentration solutions | |
| Anikin et al. | Characteristics of thermal control plasma electrolytic coatings on aluminum alloy | |
| Solomon et al. | Enhanced thermal conductivity oxide fuels | |
| Li et al. | Numerical simulation of isothermal chemical vapor infiltration process in fabrication of carbon-carbon composites by finite element method | |
| Zhou et al. | The protective performance of a molten salt frozen wall in the process of fluoride volatility of uranium | |
| Cho et al. | The reactivity with uranium of coating layers by the thermal spraying method | |
| Zhang et al. | New formulation for reduction potentials of (Cu, Ni, Al, Zn)–lanthanide alloys–Implications for electrolysis-based pyroprocessing of spent nuclear fuel | |
| Kulakov et al. | Structure and thermal properties of as-fabricated U-7Mo/Mg and U-10Mo/Mg low-enriched uranium research reactor fuels | |
| Mei et al. | Microstructure Evolution of B 4 C/Al Interface: A First-Principle Study | |
| CN105316504B (en) | Material mixing method for preparing wolfram carbide particle (WCp)/2024Al composite radiation shield material | |
| Kim et al. | Nondestructive Evaluation of Microstructure of SiC f/SiC Composites by X-Ray Computed Microtomography | |
| CN107312984A (en) | A kind of modified carbon fiber enhancing magnesium-based composite material and preparation method thereof | |
| Tang et al. | Effects of porosity on effective thermal conductivities of thermal insulation SiC sandwich panels with Schoen-gyroid structure | |
| Porter | Density of U-10wt% Zr Materials | |
| Badry et al. | An experimentally validated mesoscale model for the effective thermal conductivity of U-Zr fuels |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170118 Termination date: 20171128 |