CN103106342A - Method for quantitatively analyzing solid phase dispersion distribution in semi-solid slurry tissue - Google Patents
Method for quantitatively analyzing solid phase dispersion distribution in semi-solid slurry tissue Download PDFInfo
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- CN103106342A CN103106342A CN2013100255788A CN201310025578A CN103106342A CN 103106342 A CN103106342 A CN 103106342A CN 2013100255788 A CN2013100255788 A CN 2013100255788A CN 201310025578 A CN201310025578 A CN 201310025578A CN 103106342 A CN103106342 A CN 103106342A
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- solid phase
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- tissue
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- 239000007790 solid phase Substances 0.000 title claims abstract description 88
- 239000007787 solid Substances 0.000 title claims abstract description 50
- 239000002002 slurry Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000006185 dispersion Substances 0.000 title abstract 8
- 239000002245 particle Substances 0.000 claims description 12
- 239000012071 phase Substances 0.000 claims description 6
- 238000012113 quantitative test Methods 0.000 claims description 6
- 238000004043 dyeing Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 238000004364 calculation method Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 abstract description 6
- 229910052751 metal Inorganic materials 0.000 abstract description 6
- 238000004458 analytical method Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 3
- 229910000906 Bronze Inorganic materials 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000011158 quantitative evaluation Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Analysing Materials By The Use Of Radiation (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
Abstract
The invention relates to a method for quantitatively analyzing solid phase dispersion distribution in semi-solid slurry tissue and belongs to the field of metal semi-solid slurry tissue performance analysis. The method includes separating solid phase in the semi-solid slurry tissue out, calculating the total size of the solid phase, calculating and drawing an ideal dispersion degree distribution pattern of the solid phase, and calculating and obtaining dispersion distribution degree coefficient through comparing an ideal distribution state with a real distribution state of the solid phase. With the method for quantitatively analyzing solid phase dispersion distribution in semi-solid slurry tissue, dispersion distribution degree of the solid phase in the semi-solid tissue can be given quantitatively and the range of the dispersion distribution degree is greater than 0 and smaller than 1. A greater number indicates more even distribution degree of the solid phase in the semi-solid tissue and better performance of the semi-solid tissue. The method for quantitatively analyzing solid phase dispersion distribution in semi-solid slurry tissue is simple to operate and convenient to use.
Description
Technical field
The present invention relates to a kind of method that in quantitative test semi solid slurry tissue, the solid phase disperse distributes, belong to metal semi-solid slurry structure property analysis field.
Background technology
The semi-solid-state metal technology is a kind of technology between liquid state, solid molding that 20 century 70s propose.It fills the characteristics such as type is steady, product compactness is high, little to the thermal shock of mould, mechanical property is high, plastic force is low owing to having, and has broad application prospects in fields such as automobile, Aeronautics and Astronautics.Wherein, prepare the semi-solid metal slurry with even, tiny non-dendritic structure, be also that spherical solid phase evenly distributes, liquid phase is evenly distributed on the microstructure of semisolid around solid phase, being a most important link in Semi-solid Metals Forming Techniques, is also the crucial and basic of Semi-solid Metals Forming Techniques.The quality of semi solid slurry has determined the quality of following process means and final Forming Workpiece.
At present, the technology of preparing of semi solid slurry has reached kind more than 20, mainly is divided into: liquid phase process, control three kinds of freezing method and solid state process.Different preparation method's final purposes is all in order to obtain the equally distributed microstructure of semisolid of liquid-solid two-phase.How estimating the microstructure of semisolid performance quality for preparing, is a very important technology.The index of existing evaluation microstructure of semisolid performance mainly comprises: the spherical factor of the size of liquid-solid two-phase tissue and average-size, nodularization solid phase, solid rate etc.And for the evaluation of solid phase distributed degrees in microstructure of semisolid, can only provide qualitatively the degree that is evenly distributed of solid microstructure, evaluation solid phase distributed degrees that can't be quantitative.
Summary of the invention
For overcome above-mentioned can't quantitative evaluation semi solid slurry tissue in the shortcoming of solid phase distributed degrees, but the object of the present invention is to provide the method for solid phase distributed degrees in a kind of quantitative evaluation microstructure of semisolid simple to operate.
Technical scheme of the present invention is: at first the solid phase in the semi solid slurry tissue is separated, then calculate the solid phase overall dimensions, and calculate, draw the most desirable disperse distributed degrees pattern of solid phase, at last by contrasting the most desirable and actual distribution state of solid phase, calculate disperse distributed degrees coefficient, comprise following concrete preparation process:
(1) the solid-liquid two-phase of the original structure photo of semi solid slurry is differentiated, by solid phase is isolated in picture dyeing or two-value picture processing;
(2) statistics solid phase quantity and calculate the solid phase total area, calculate the average area of each solid phase, then draw out circle identical with statistical magnitude, that area is identical with each solid phase average area on semi solid slurry original structure photo, it (is that each circle represents each solid phase that each circle is the desirable disperse state distribution of semisolid particle, area is identical, is evenly distributed on photo);
The total area of the semi solid slurry original structure photo solid phase particles that (3) in calculation procedure (2), drawn circle circle is lived, then with the total area of the circle total area firmly divided by semi solid slurry original structure photo solid phase particles, draw disperse distributed degrees coefficient.
In described step (1), take picture dyeing or two-value picture Processing Technique that the solid phase in the semi solid slurry tissue is separated;
In described step (2), according to the theoretical unit size that calculates, draw the most desirable disperse distributed degrees pattern;
In described step (3), the disperse distributed degrees coefficient that calculates is greater than 0 and less than 1, and is more more even near 1 distributed degrees that shows solid phase in this semi solid slurry tissue.
Characteristics of the present invention adopt the computer technologies such as picture dyeing or two-value processing exactly, and by some calculating, obtain the most desirable disperse distribution pattern of microstructure of semisolid, and with the comparative analysis of actual distribution state, obtain disperse distributed degrees coefficient.
Advantage of the present invention and beneficial effect are:
(1) adopt all disperse distributed degrees of solid phase in the quantitative microstructure of semisolid of the present invention, scope is 0 ~ 1, and numerical value shows that more greatly in microstructure of semisolid, the distributed degrees of solid phase is more even, and the microstructure of semisolid performance is better;
(2) the present invention is simple to operate, and is easy to use;
(3) the disperse distributed degrees that prior art can only qualitative analysis semisolid solid phase, the present invention can specifically analyze the disperse distributed degrees of semisolid solid phase qualitatively.
Description of drawings
Fig. 1 is the tin bronze microstructure of semisolid that the present invention will analyze;
Fig. 2 is that the present invention separates the solid phase that obtains;
Fig. 3 is the perfect condition solid phase disperse distribution pattern that the present invention obtains;
Fig. 4 is the solid phase in perfect condition solid phase disperse distribution pattern of the present invention;
Fig. 5 is the Alpax microstructure of semisolid that the present invention will analyze;
Fig. 6 is that the present invention separates the Alpax microstructure of semisolid solid phase that obtains;
Fig. 7 is the Alpax microstructure of semisolid perfect condition solid phase disperse distribution pattern that the present invention obtains;
Fig. 8 is the solid phase in Alpax microstructure of semisolid perfect condition solid phase disperse distribution pattern of the present invention.
Embodiment
The present invention is further elaborated below in conjunction with embodiment and accompanying drawing, but protection content of the present invention is not limited to described scope.
Embodiment 1: the concrete steps of the method that in the quantitative test semi solid slurry tissue of the present embodiment, the solid phase disperse distributes are:
(1) according to the photo of organizing of semi solid slurry, the solid-liquid two-phase in tissue is differentiated, isolated solid phase by picture being carried out the two-value processing; In the present embodiment, the microstructure of semisolid that analyze is tin bronze alloys, as shown in Figure 1, utilizes photoshop and Image J software to carry out separating treatment to the solid phase of microstructure of semisolid shown in Figure 1, result as shown in Figure 2, black region is solid phase;
(2) statistics solid phase quantity and calculate the solid phase total area, calculate the average area of each solid phase, then draw out circle identical with statistical magnitude, that area is identical with each solid phase average area on semi solid slurry original structure photo, each circle is in the desirable disperse state distribution of semisolid particle the present embodiment, utilizing the solid phase quantity in Image J software statistics microstructure of semisolid shown in Figure 2 is 118, and calculating the solid phase total area is 495546.528
μm
2, average area is 4199.547
μm
2, solid rate is 54.4%, then draws out perfect condition solid phase disperse distribution pattern, as shown in Figure 3, wherein each circle represents perfect condition disperse distribution unit.
The total area of the semi solid slurry original structure photo solid phase particles of (3) circle circle drawn in step (2) being lived calculates with computing machine software I mage J, then with the total area of the circle total area firmly divided by semi solid slurry original structure photo solid phase particles, draw disperse distributed degrees coefficient.In the present embodiment, utilize Image J software to carry out statistical study to the solid phase in perfect condition solid phase disperse distribution pattern, as shown in Figure 4, the solid phase total area that wherein comprises in the pattern scope is 83206.250
μm
2, with this area divided by the original solid phase total area 495546.528
μm
2, obtain disperse distributed degrees coefficient
W=0.18.
Embodiment 2: the concrete steps of the method that in the quantitative test semi solid slurry tissue of the present embodiment, the solid phase disperse distributes are:
(1) according to the photo of organizing of semi solid slurry, the solid-liquid two-phase in tissue is differentiated, by solid phase is isolated in picture dyeing processing; In the present embodiment, the microstructure of semisolid that analyze is Alpax, as shown in Figure 5, result as shown in Figure 6, black region is solid phase;
(2) statistics solid phase quantity and calculate the solid phase total area, calculate the average area of each solid phase, then draw out circle identical with statistical magnitude, that area is identical with each solid phase average area on semi solid slurry original structure photo, each circle is in the desirable disperse state distribution of semisolid particle the present embodiment, utilizing the solid phase quantity in Image J software statistics microstructure of semisolid shown in Figure 6 is 152, and calculating the solid phase total area is 565891.665
μm
2, average area is 3722.971
μm
2, solid rate is 62.2%, then draws out perfect condition solid phase disperse distribution pattern, as shown in Figure 7, wherein each circle represents perfect condition disperse distribution unit.
The total area of the semi solid slurry original structure photo solid phase particles of (3) circle circle drawn in step (2) being lived calculates with computing machine software I mage J, then with the total area of the circle total area firmly divided by semi solid slurry original structure photo solid phase particles, draw disperse distributed degrees coefficient.In the present embodiment, utilize Image J software to carry out statistical study to the solid phase in perfect condition solid phase disperse distribution pattern, as shown in Figure 8, the solid phase total area that wherein comprises in the pattern scope is 130351.390
μm
2, with this area divided by the original solid phase total area 565891.665
μm
2, obtain disperse distributed degrees coefficient
W=0.23.
Result shows that the present invention has the advantages such as simple to operate, easy to use, can be applied to the quantitative calculating of solid phase distributed degrees in various alloy semi-solid slurry tissues.
Claims (2)
1. the method that in a quantitative test semi solid slurry tissue, the solid phase disperse distributes is characterized in that concrete steps comprise as follows:
(1) the solid-liquid two-phase of the original structure photo of semi solid slurry is differentiated, by solid phase is isolated in picture dyeing or two-value picture processing;
(2) statistics solid phase quantity and calculate the solid phase total area, calculate the average area of each solid phase, then draw out circle identical with statistical magnitude, that area is identical with each solid phase average area on semi solid slurry original structure photo, each circle is the desirable disperse state of semisolid particle and distributes;
The total area of the semi solid slurry original structure photo solid phase particles that (3) in calculation procedure (2), drawn circle circle is lived, then with the total area of the circle total area firmly divided by semi solid slurry original structure photo solid phase particles, draw disperse distributed degrees coefficient.
2. the method that in quantitative test semi solid slurry tissue according to claim 1, the solid phase disperse distributes, it is characterized in that: in described step (3), the disperse distributed degrees coefficient that calculates is greater than 0 and less than 1.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310025578.8A CN103106342B (en) | 2013-01-22 | 2013-01-22 | A kind of method of solid phase Dispersed precipitate in quantitative test semi solid slurry tissue |
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| CN201310025578.8A CN103106342B (en) | 2013-01-22 | 2013-01-22 | A kind of method of solid phase Dispersed precipitate in quantitative test semi solid slurry tissue |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110702705A (en) * | 2019-11-20 | 2020-01-17 | 大连交通大学 | Method for measuring and calculating dispersion degree of loaded metal catalyst based on atomic resolution electron microscope |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709413A (en) * | 2009-11-26 | 2010-05-19 | 上海大学 | Semisolid forming Al-Si-Cu alloy |
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2013
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709413A (en) * | 2009-11-26 | 2010-05-19 | 上海大学 | Semisolid forming Al-Si-Cu alloy |
Non-Patent Citations (2)
| Title |
|---|
| 张友法等: "半固态镁合金微观组织定量分析的应用", 《特种铸造及有色合金》 * |
| 王胜良: "半固态镁合金固相体积分数检测技术研究", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110702705A (en) * | 2019-11-20 | 2020-01-17 | 大连交通大学 | Method for measuring and calculating dispersion degree of loaded metal catalyst based on atomic resolution electron microscope |
| CN110702705B (en) * | 2019-11-20 | 2022-04-29 | 大连交通大学 | Method for measuring and calculating dispersion degree of loaded metal catalyst based on atomic resolution electron microscope |
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Granted publication date: 20150909 Termination date: 20210122 |