CN109694976A - A kind of low cost soluble magnesium alloy and its preparation method and application - Google Patents
A kind of low cost soluble magnesium alloy and its preparation method and application Download PDFInfo
- Publication number
- CN109694976A CN109694976A CN201910189609.0A CN201910189609A CN109694976A CN 109694976 A CN109694976 A CN 109694976A CN 201910189609 A CN201910189609 A CN 201910189609A CN 109694976 A CN109694976 A CN 109694976A
- Authority
- CN
- China
- Prior art keywords
- alloy
- magnesium alloy
- ingot
- soluble magnesium
- preparation
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C23/00—Alloys based on magnesium
- C22C23/02—Alloys based on magnesium with aluminium as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C23/00—Alloys based on magnesium
Abstract
The invention belongs to metal material and processing technique field, it is related to a kind of inexpensive soluble magnesium alloy and its preparation method and application, can be used for preparing the related components of shale oil-gas mining multistage sliding sleeve staged fracturing technology.The alloy is Mg-Al-Ca-Mn-Cu-Ni magnesium alloy, be made of the element of following mass percent: 0.20~0.50wt% of Al, 0.20~1.00wt% of Ca, 0.30~1.10wt% of Mn, 0.10~1.20wt% of Cu, 0.10~0.50wt% of Ni, remaining is Mg and inevitable impurity element.Tensile strength >=280MPa of low cost soluble magnesium alloy prepared by the present invention, yield strength >=240MPa, elongation percentage >=14%；Rate of dissolution in 93 DEG C, 3%KCl solution is 50-60mg cm‑ 2h‑1。
Description
Technical field
The invention belongs to metal material and processing technique field, in particular to a kind of inexpensive soluble magnesium alloy and its system
Preparation Method and application can be used for preparing the related components of the multistage sliding sleeve staged fracturing technology of shale oil-gas mining.
Background technique
The development of science and technology promotes global industry automatization level to be continuously improved, this causes the demand of the energy further to increase
Add.Important directions one of of the shale oil gas as current and future interior energy field development for a period of time, economy with higher
Value, related production technique have been successful in the U.S. and are gradually generalized to the whole world.According to statistics, the shale gas reserves in China occupy
No. 1 in the world, shale oilreserves rank the third of the world position, and developing prospect is wide.However related production technique has been still within
Step valence section, mainstream technology is horizontal wells commonly multistage sliding sleeve staged fracturing technology at present.One key portion of the technology
Part is fracturing tool, including temporary plugging ball, ball seat, bridge plug and sliding sleeve etc..Above-mentioned tool to have in fracturing process can dissolve with
And the features such as preferable intensity and elongation percentage.
Being directed to the soluble material of above-mentioned too development both at home and abroad at present is mostly high molecular material, composite material, aluminium alloy
And magnesium alloy.The mechanical property of high molecular material is lower, and is not easily decomposed in high temperature corrosion medium.Composite material mostly uses
Nanometre metal powder significantly increases material cost, also counteracts its application.
Patent " a kind of cast aluminium alloy gold and preparation method thereof of pressure resistance fast degradation " (application number 201710327729.3)
One is disclosed respectively with patent " a kind of cast magnesium alloy of light overpressure resistant fast decoupled " (application number CN201310284659.X)
Kind rapidly dissolvable cast aluminium alloy gold and cast magnesium alloy.However present inventor have discovered that aluminium alloy is obtained by casting technique
There is obvious cast sturcture's feature: the more coarse and different degrees of component segregation of dentrite structure, crystal grain with magnesium-alloy material；
This will lead to the relatively low uneven stabilization with course of dissolution of mechanical property of product.
Summary of the invention
For problems described above, the present invention provides a kind of inexpensive soluble magnesium alloy and its preparation method and application.
Expensive rare earth element is free of in soluble magnesium alloy of the present invention, on the basis of realizing low cost, has both been had good
Mechanical property, but also with uniform, stable rate of dissolution；The alloy is a kind of good dissolvable magnesium alloy of comprehensive performance.This
20m/min may be up to using extrusion speed in invention soluble magnesium alloy preparation process.
The invention adopts the following technical scheme:
First aspect of the present invention, provides a kind of inexpensive soluble magnesium alloy, and the low cost soluble magnesium alloy is
Mg-Al-Ca-Mn-Cu-Ni magnesium alloy is made of the element of following mass percent: 0.20~0.50wt% of Al, Ca 0.20
0.30~1.10wt% of~1.00wt%, Mn, 0.10~1.20wt% of Cu, 0.10~0.50wt% of Ni, remaining is for Mg and not
Evitable impurity element.
Inevitable impurity≤0.050% in the present invention.
The second aspect of the present invention provides the preparation method of inexpensive soluble magnesium alloy described above, including following step
It is rapid: to weigh pure magnesium ingot, fine aluminium ingot, Mg-Ca intermediate alloy, Mg-Mn intermediate alloy, Mg-Cu intermediate alloy, Mg-Ni intermediate alloy；
It is passed through protective gas and carries out melting, pour into ingot casting；Ingot casting is subjected to Homogenization Treatments, be cut into the blank of corresponding size and is gone
Skin；It is hot extruded into bar；The hot extrusion condition are as follows: squeeze 350~400 DEG C of temperature, extrusion ratio is 4~10, extrusion speed 10
~20m/min；It is preferred that squeezing 350 DEG C of temperature.
Third aspect of the present invention provides above-described inexpensive soluble magnesium alloy and is preparing shale oil-gas mining
It is applied in dissolvable components in journey.
The present invention obtains beneficial achievement:
(1) Mg-Al-Ca-Mn-Cu-Ni alloy of the present invention refines ingot casting crystallite dimension by Mn and Ca, and then reduces ingot casting
Segregation, so that the Cu and Ni in material are uniformly distributed, forms the Mg of small and dispersed2Cu and Mg2Ni achievees the purpose that uniform dissolution.
Tensile strength >=280MPa of low cost soluble magnesium alloy prepared by the present invention, yield strength >=240MPa, elongation percentage >=
14%；Rate of dissolution in 93 DEG C, 3%KCl solution is 50~60mg cm-2h-1。
(2) alloy of the invention passes through the addition of Ca element, weakens the basal plane texture of magnesium alloy, and then improve material
Elongation percentage.In addition, Ca itself has fire-retardant and antioxidant effect, the burning point of alloy is improved.Thus, it is reduced in fusion process
The dosage of protective gas；Undesirable gas is protected during Homogenization Treatments, and extrusion process can using extruding rate
Up to 20m/min.
(3) a small amount of Al element is added in the present invention in the alloy, and the intensity of material is on the one hand improved by solution strengthening mode,
On the other hand a small amount of dystectic (Mg, Al) can be formed2Ca and Al8Mn5The second phase, improved by way of dispersion-strengtherning
The intensity of material.
(4) soluble magnesium alloy of the present invention can under the conditions of 350-400 DEG C of high temperature, extrusion ratio less than 10 crushing failure at high speed
Obtain the soluble magnesium alloy of excellent mechanical performances." being passed through protective gas deformation " and " small extrusion ratio ", on the one hand can reduce
Resistance of deformation in process improves shaping rate, reduces equipment loss；It on the other hand can be big using the processing of small tonnage plants
Sized products reduce the fixed assets investments such as equipment.
(5) a small amount of more expensive Ni element is only added in soluble magnesium alloy of the present invention, it is less to alloy increased costs；Together
When, material processing speed is high, at low cost, therefore application prospect is preferable.
Detailed description of the invention
The Figure of description for constituting a part of the invention is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.
Fig. 1 is the microscopic structure for the magnesium alloy that test example group 1 is prepared.
Fig. 2 is the microscopic structure for the magnesium alloy that test example group 6 is prepared.
Specific embodiment
It is noted that described further below be all exemplary, it is intended to provide further instruction to the present invention.Unless another
It indicates, all technical and scientific terms used herein has usual with general technical staff of the technical field of the invention
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to exemplary embodiments of the present invention.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation and/or their combination.
For problem described in background technique, first aspect of the present invention provides a kind of inexpensive soluble magnesium alloy, institute
Stating inexpensive soluble magnesium alloy is Mg-Al-Ca-Mn-Cu-Ni magnesium alloy, is made of the element of following mass percent: Al
0.20~0.50wt%, 0.20~1.00wt% of Ca, 0.30~1.10wt% of Mn, 0.10~1.20wt% of Cu, Ni 0.10
~0.50wt%, remaining is Mg and inevitable impurity element.
Further, the inexpensive soluble magnesium alloy is made of the element of following mass percent: Al 0.30~
0.80~1.00wt% of 0.50wt%, Ca, 0.30~0.70wt% of Mn, 0.30~0.90wt% of Cu, Ni 0.20~
0.40wt%, remaining is Mg and inevitable impurity element.
Further, the inexpensive soluble magnesium alloy is made of the element of following mass percent: Al
0.50wt%, Ca 0.90wt%, Mn 0.55wt%, Cu 0.40wt%, Ni 0.30wt%, remaining is for Mg and inevitably
Impurity element.
Magnesium alloy is since chemical property is active, and in the case where no protection, melting and casting process are easily aoxidized
The ignition temperature of alloy can be improved in burning, appropriate alloying, reduces melting, cost and accident risk in casting process；
In addition magnesium alloy belongs to hexagonal closed-packed structure, and room temperature slip system is less, and hot forming is needed to process, and high-alloying will increase
Material cost, while reducing the defects of being easy to appear oxidation, crackle in its forming property-extrusion process.Therefore, alloying member
The selection of element and the control of content all have significantly the processing cost and product quality, mechanical property, rate of dissolution of material
It influences.Magnesium alloy of the present invention has reached low cost, easily forming, moderate strength and extension by optimized alloy element and its content
Rate, soluble purpose.
Al is the element of most economical raising wrought magnesium alloy intensity.Ca element can significantly improve the burning point temperature of magnesium alloy
Degree, and refine ingot structure.Mn element can also be with Refining Mg Alloy ingot casting grain structure.In addition, Al and Ca can be with Mg shape
At higher melting-point (Mg, Al)2Ca phase；Al and Mn element can also form dystectic Al8Mn5Phase.Pass through the micro- of Al, Ca, Mn
Alloying not only improves magnesium alloy strength, but also maintains preferable elongation percentage.
Conventionally Cu and Ni belong to impurity element, can improve Corrosion Behaviors of Magnesium Alloys speed.The present invention by control Cu and
The content of Ni element obtains tiny Mg2Cu and Mg2Ni phase in Magnesium Alloy, so as to prepare dissolvable magnesium alloy.
The second aspect of the present invention provides the preparation method of inexpensive soluble magnesium alloy described above, including following step
It is rapid: to weigh pure magnesium ingot, fine aluminium ingot, Mg-Ca intermediate alloy, Mg-Mn intermediate alloy, Mg-Cu intermediate alloy, Mg-Ni intermediate alloy；
It is passed through protective gas and carries out melting, pour into ingot casting；Ingot casting is subjected to Homogenization Treatments, be cut into the blank of corresponding size and is gone
Skin；It is hot extruded into bar；The hot extrusion condition are as follows: squeeze 350~400 DEG C of temperature, extrusion ratio is 4~10, extrusion speed 10
~20m/min；It is preferred that squeezing 350 DEG C of temperature.The method of the present invention extrusion ratio is small, and extrusion speed is big, reduces equipment loss.
Further, the hot extrusion condition are as follows: squeeze 350 DEG C of temperature, extrusion ratio 8, extrusion speed 20m/min.?
The performances such as the soluble magnesium alloy dissolubility, tensile strength, the elongation percentage that are prepared under the conditions of the hot extrusion are best.The present invention adopts
The bar of larger size can be prepared with above-mentioned lower extrusion ratio, while can reduce the tonnage of required extruder appts.
Further, the melting, the step of pouring into ingot casting include: by pure magnesium ingot, fine aluminium ingot, Mg-Ca intermediate alloy,
Mg-Mn intermediate alloy, Mg-Cu intermediate alloy, Mg-Ni intermediate alloy are weighed according to the proportion, protective gas are passed through, 720~740
DEG C melting keeps the temperature 40~60min, 5~10min of stirring, and refine 20~30min, 740~760 DEG C of standings are warming up to after refining
30~40min pours into ingot casting at 720~740 DEG C；Preferably, in 730 DEG C of meltings, 60min is kept the temperature, stirs 10min, and essence
20min is refined, 760 DEG C of standing 40min are warming up to after refining, pour into ingot casting at 720 DEG C.
Further, protective gas used is CO2And SF6Mixed gas, CO2And SF6Volume ratio is 200~400:1；
Preferably, CO2And SF6Volume ratio is 300:1.The mixed gas prevents generation oxidation effect in alloy preparation process most aobvious
It writes.
Further, the condition of the Homogenization Treatments is the progress Homogenization Treatments soaking time 1 at 480~520 DEG C
~4h, the type of cooling be it is air-cooled, be then cut into corresponding blank and remove the peel；Preferably, Homogenization Treatments guarantor is carried out at 500 DEG C
Warm time 2h.The present invention uses higher homogenization temperature, on the one hand microalloy can be promoted to be dissolved into magnesium alloy base as early as possible
In body, heat treatment cost is reduced；On the other hand it can shorten homogenization soaking time, as-cast structure is prevented to be roughened.
Third aspect of the present invention provides above-described inexpensive soluble magnesium alloy and is preparing shale oil-gas mining
It is applied in dissolvable components in journey.
Further, above-described inexpensive soluble magnesium alloy is preparing the multistage sliding sleeve segmentation of shale oil-gas mining
Application in the related components of fracturing technique.It is excellent that soluble magnesium alloy of the present invention has that rate of dissolution is fast, tensile strength is big etc.
Gesture is had a extensive future preparing shale oil-gas mining in the related components of multistage sliding sleeve staged fracturing technology.
In order to enable those skilled in the art can clearly understand technical solution of the present invention, below with reference to tool
The embodiment and the comparative example technical solution that the present invention will be described in detail of body.
A kind of inexpensive soluble magnesium alloy of embodiment 1
The low cost soluble magnesium alloy is Mg-Al-Ca-Mn-Cu-Ni magnesium alloy, by the member of following mass percent
Element composition: Al 0.50wt%, Ca 0.90wt%, Mn 0.55wt%, Cu 0.40wt%, Ni 0.30wt%, remaining for Mg and
Inevitable impurity element.
A kind of inexpensive soluble magnesium alloy of embodiment 2
The low cost soluble magnesium alloy is Mg-Al-Ca-Mn-Cu-Ni magnesium alloy, by the member of following mass percent
Element composition: Al 0.40wt%, Ca 0.50wt%, Mn 0.45wt%, Cu 0.90wt%, Ni 0.10wt%, remaining for Mg and
Inevitable impurity element.
A kind of inexpensive soluble magnesium alloy of embodiment 3
The low cost soluble magnesium alloy is Mg-Al-Ca-Mn-Cu-Ni magnesium alloy, by the member of following mass percent
Element composition: Al 0.30wt%, Ca 1.00wt%, Mn 0.90wt%, Cu 1.0wt%, Ni 0.50wt%, remaining for Mg and
Inevitable impurity element.
A kind of inexpensive soluble magnesium alloy of embodiment 4
The low cost soluble magnesium alloy is Mg-Al-Ca-Mn-Cu-Ni magnesium alloy, by the member of following mass percent
Element composition: Al 0.40wt%, Ca 1.00wt%, Mn 1.00wt%, Cu 1.2wt%, Ni 0.50wt%, remaining for Mg and
Inevitable impurity element.
A kind of inexpensive soluble magnesium alloy preparation method of embodiment 5
Raw material are as follows: pure magnesium ingot, fine aluminium ingot, Mg-25%Ca intermediate alloy, Mg-10%Mn intermediate alloy, in Mg-30%Cu
Between alloy, Mg-25%Ni intermediate alloy.
It weighs according to the ratio raw material, above-mentioned raw materials use pure magnesium ingot, fine aluminium ingot, Mg-25%Ca intermediate alloy, Mg-10%Mn
Intermediate alloy；In CO2+SF6Under mixed gas (volume ratio 300:1) protective condition, in 720 DEG C of meltings, 60min, stirring are kept the temperature
10min, and 20min is refined, it is warming up to 740 DEG C of standing 30min after refining, pours into ingot casting at 720 DEG C.
Above-mentioned ingot casting is subjected to Homogenization Treatments soaking time 2h at 520 DEG C, the type of cooling be it is air-cooled, be then cut into phase
The blank answered and peeling.
By blank obtained in the previous step, 350 DEG C of temperature, extrusion ratio 5, extrusion speed 20m/ are being squeezed by extruder
Under the conditions of min, be squeezed into bar to get.
A kind of inexpensive soluble magnesium alloy preparation method of embodiment 6
Raw material are as follows: pure magnesium ingot, fine aluminium ingot, Mg-25%Ca intermediate alloy, Mg-10%Mn intermediate alloy, in Mg-30%Cu
Between alloy, Mg-25%Ni intermediate alloy.
It weighs according to the ratio raw material, above-mentioned raw materials use pure magnesium ingot, fine aluminium ingot, pure tin ingot, Mg-25%Ca intermediate alloy, Mg-
10%Mn intermediate alloy；In CO2+SF6Under mixed gas (volume ratio 400:1) protective condition, in 740 DEG C of meltings, heat preservation
40min stirs 5min, and refines 30min, and 760 DEG C of standing 40min are warming up to after refining, pour into ingot casting at 740 DEG C.
Above-mentioned ingot casting is subjected to Homogenization Treatments soaking time 2h at 500 DEG C, the type of cooling be it is air-cooled, be then cut into phase
The blank answered and peeling.
By blank obtained in the previous step, 400 DEG C of temperature, extrusion ratio 8, extrusion speed 20m/ are being squeezed by extruder
Under the conditions of min, it is squeezed into bar.
A kind of inexpensive soluble magnesium alloy preparation method of embodiment 7
Raw material are as follows: pure magnesium ingot, fine aluminium ingot, Mg-25%Ca intermediate alloy, Mg-10%Mn intermediate alloy, in Mg-30%Cu
Between alloy, Mg-25%Ni intermediate alloy.
It weighs according to the ratio raw material, above-mentioned raw materials use pure magnesium ingot, fine aluminium ingot, pure tin ingot, Mg-25%Ca intermediate alloy, Mg-
10%Mn intermediate alloy；In CO2+SF6Under mixed gas (volume ratio 400:1) protective condition, in 720 DEG C of meltings, heat preservation
40min stirs 5min, and refines 30min, and 750 DEG C of standing 30min are warming up to after refining, pour into ingot casting at 730 DEG C.
Above-mentioned ingot casting is subjected to Homogenization Treatments soaking time 1h at 510 DEG C, the type of cooling be it is air-cooled, be then cut into phase
The blank answered and peeling.
By blank obtained in the previous step, 390 DEG C of temperature, extrusion ratio 10, extrusion speed 10m/ are being squeezed by extruder
Under the conditions of min, it is squeezed into bar.
A kind of inexpensive soluble magnesium alloy preparation method of embodiment 8
Raw material are as follows: pure magnesium ingot, fine aluminium ingot, Mg-25%Ca intermediate alloy, Mg-10%Mn intermediate alloy, in Mg-30%Cu
Between alloy, Mg-25%Ni intermediate alloy.
It weighs according to the ratio raw material, above-mentioned raw materials use pure magnesium ingot, fine aluminium ingot, pure tin ingot, Mg-25%Ca intermediate alloy, Mg-
10%Mn intermediate alloy；In CO2+SF6Under mixed gas (volume ratio 300:1) protective condition, in 720 DEG C of meltings, heat preservation
40min stirs 10min, and refines 30min, and 740 DEG C of standing 30min are warming up to after refining, pour into ingot casting at 720 DEG C.
Above-mentioned ingot casting is subjected to Homogenization Treatments soaking time 2h at 500 DEG C, the type of cooling be it is air-cooled, be then cut into phase
The blank answered and peeling.
By blank obtained in the previous step, 380 DEG C of temperature, extrusion ratio 10, extrusion speed 5m/ are being squeezed by extruder
Under the conditions of min, it is squeezed into bar.
Comparative example 1
Comparative alloy is as cast condition AZ91D magnesium alloy, the chemical component of the alloy are as follows: Mg-9.0wt%Al-0.80wt%Zn-
0.3wt%Mn-0.025wt%Cu, alloying ingredient (raw material are as follows: pure magnesium ingot, fine aluminium ingot, pure zinc ingot, Mg-10%Mn intermediate alloy,
Mg-30%Cu intermediate alloy).
Comparative example 2:
The difference from embodiment 1 is that the mass percent of Mg-Al-Ca-Mn-Cu-Ni alloying element are as follows: Al
0.70wt%, Ca 1.20wt%, Mn 1.00wt%, Cu 1.5wt%, Ni 1.50wt% remaining for Mg and inevitably it is miscellaneous
Prime element.
Comparative example 3:
The difference from embodiment 1 is that the mass percent of Mg-Al-Ca-Mn-Cu-Ni alloying element are as follows: Al
0.30wt%, Ca 0.20wt%, Mn 0.10wt%, Cu 0.05wt%, Ni 0.05wt% remaining for Mg and inevitably
Impurity element.
Comparative example 4
Difference with embodiment 7 is, squeezes 450 DEG C of temperature, extrusion ratio 10, under the conditions of extrusion speed 10m/min, squeezes
It is pressed into bar.
Comparative example 5
Difference with embodiment 5 is, extrusion ratio 40, under the conditions of extrusion speed 10m/min, is squeezed into bar.
Comparative example 6
Difference with embodiment 5 is, extrusion ratio 80, under the conditions of extrusion speed 10m/min, is squeezed into bar.
Test example
Group 1: 1 alloy of embodiment is prepared by 5 method of embodiment；
Group 2: 2 alloy of embodiment is prepared by 6 method of embodiment；
Group 3: 3 alloy of embodiment is prepared by 7 method of embodiment；
Group 4: 4 alloy of embodiment is prepared by 8 method of embodiment；
Group 5: 1 alloy of comparative example is prepared by 5 method of embodiment；
Group 6: 2 alloy of comparative example is prepared by 5 method of embodiment；
Group 7: 3 alloy of comparative example is prepared by 5 method of embodiment；
Group 8: 1 alloy of embodiment is prepared by 4 method of comparative example；
Group 9: 1 alloy of embodiment is prepared by 5 method of comparative example；
Group 10: 1 alloy of embodiment is prepared by 6 method of comparative example；
The mechanical property and dissolubility of each group alloy are measured；
Mechanic property test method is executed according to GB T 228.1-2010.
Solubility property test condition are as follows: willSample be placed in 93 DEG C mass fraction be 3%KCl aqueous solution
In, test the weight dissolved per hour.Rate of dissolution are as follows: the weight of dissolution/(specimen surface product × time).
1 magnesium alloy room-temperature mechanical property of table and high-temperature digestion rate
The magnesium alloy room-temperature mechanical property of comparing embodiment and comparative example and high-temperature digestion rate, it will thus be seen that the present invention
The low cost of preparation can dissolve the room-temperature mechanical property of magnesium alloy and be substantially better than comparative example alloy, and alloy of the invention exists
93 DEG C, the rate of dissolution in 3%KCl solution be substantially better than comparative example alloy.
From the displaing micro tissue topography of 6 alloy of test example group 1 and test example group it can be seen that the present invention prepares the crystal grain of material
It is of uniform size tiny；And the second phase more disperse (as shown in Figure 1 and Figure 2).Thus, room-temperature mechanical property is substantially better than pair
Ratio alloy.
Comparative experimental example group 1,9 and 10, it will thus be seen that the mechanical property of material further increases as extrusion ratio increases
By force.The present invention can reach preferable performance using lesser extrusion ratio, be conducive to the popularization and application of the alloy and preparation method.
In conclusion low cost of the invention, which can dissolve magnesium alloy, is able to satisfy in shale oil gas recovery process multistage sliding sleeve point
The relevant different components performance requirements of section fracturing technique.
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 low cost soluble magnesium alloy, which is characterized in that the alloy is Mg-Al-Ca-Mn-Cu-Ni magnesium alloy, by
The element of following mass percent forms: 0.20~0.50wt% of Al, 0.20~1.00wt% of Ca, Mn 0.30~
0.10~1.20wt% of 1.10wt%, Cu, 0.10~0.50wt% of Ni, remaining is Mg and inevitable impurity element.
2. low cost soluble magnesium alloy according to claim 1, which is characterized in that by the element of following mass percent
Composition: 0.30~0.50wt% of Al, 0.80~1.00wt% of Ca, 0.30~0.70wt% of Mn, 0.30~0.90wt% of Cu,
0.20~0.40wt% of Ni, remaining is Mg and inevitable impurity element.
3. low cost soluble magnesium alloy according to claim 1, which is characterized in that by the element of following mass percent
Composition: Al 0.50wt%, Ca 0.90wt%, Mn 0.55wt%, Cu 0.40wt%, Ni 0.30wt%, remaining is for Mg and not
Evitable impurity element.
4. the preparation method of any one of claims 1 to 3 inexpensive soluble magnesium alloy, which is characterized in that including following
Step: pure magnesium ingot, fine aluminium ingot, Mg-Ca intermediate alloy, Mg-Mn intermediate alloy, Mg-Cu intermediate alloy, the conjunction of the centre Mg-Ni are weighed
Gold；It is passed through protective gas and carries out melting, pour into ingot casting；Ingot casting is subjected to Homogenization Treatments, is cut into the blank of corresponding size
And it removes the peel；It is hot extruded into bar；The hot extrusion condition are as follows: squeeze 350~400 DEG C of temperature, extrusion ratio is 4~10, squeezes speed
Spend 10~20m/min；It is preferred that squeezing 350 DEG C of temperature.
5. the preparation method according to claim 4, which is characterized in that the hot extrusion condition are as follows: 350 DEG C of temperature of extruding,
Extrusion ratio is 8, extrusion speed 20m/min.
6. the preparation method according to claim 4, which is characterized in that the melting, the step of pouring into ingot casting include: by
Pure magnesium ingot, fine aluminium ingot, Mg-Ca intermediate alloy, Mg-Mn intermediate alloy, Mg-Cu intermediate alloy, Mg-Ni intermediate alloy are according to the proportion
Weighing, is passed through protective gas, in 720~740 DEG C of meltings, keeps the temperature 40~60min, stirs 5~10min, and refine 20~
30min is warming up to 740~760 DEG C of 30~40min of standing, pours into ingot casting at 720~740 DEG C after refining；Preferably, 730
DEG C melting keeps the temperature 60min, stirs 10min, and refine 20min, 760 DEG C of standings 40min are warming up to after refining, in 720 DEG C of casting
At ingot casting.
7. the preparation method according to claim 4, which is characterized in that protective gas used is CO2And SF6Mixed gas,
CO2And SF6Volume ratio is 200~400:1；Preferably, CO2And SF6Volume ratio is 300:1.
8. the preparation method according to claim 4, which is characterized in that the condition of the Homogenization Treatments is 480~520
At DEG C carry out 1~4h of Homogenization Treatments soaking time, the type of cooling be it is air-cooled, be then cut into corresponding blank and remove the peel；It is preferred that
, Homogenization Treatments soaking time 2h is carried out at 500 DEG C.
9. any inexpensive soluble magnesium alloy of claims 1 to 3 prepare it is solvable in shale oil gas recovery process
It is applied in solution components.
10. application according to claim 9, which is characterized in that preparing the multistage sliding sleeve segmentation pressure of shale oil-gas mining
Split the application in the related components of technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910189609.0A CN109694976B (en) | 2019-03-13 | 2019-03-13 | Low-cost soluble magnesium alloy and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910189609.0A CN109694976B (en) | 2019-03-13 | 2019-03-13 | Low-cost soluble magnesium alloy and preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109694976A true CN109694976A (en) | 2019-04-30 |
| CN109694976B CN109694976B (en) | 2020-03-17 |
Family
ID=66233860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910189609.0A Active CN109694976B (en) | 2019-03-13 | 2019-03-13 | Low-cost soluble magnesium alloy and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109694976B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110284033A (en) * | 2019-08-05 | 2019-09-27 | 深圳市爱斯特新材料科技有限公司 | A kind of Mg-Zn-Al base microalloying magnesium alloy of high intensity and preparation method thereof |
| CN110923531A (en) * | 2019-11-14 | 2020-03-27 | 大同高镁科技有限公司 | Low-cost high-plasticity soluble magnesium alloy material and preparation method thereof |
| CN111041309A (en) * | 2019-12-08 | 2020-04-21 | 江苏奇纳新材料科技有限公司 | Soluble magnesium-based alloy and preparation method thereof |
| CN113667871A (en) * | 2021-08-10 | 2021-11-19 | 郑州轻研合金科技有限公司 | High-ductility soluble magnesium-lithium alloy and preparation method and application thereof |
| CN115466890A (en) * | 2022-09-19 | 2022-12-13 | 重庆科技学院 | High-toughness Cu-containing magnesium alloy material capable of being rapidly degraded and preparation method thereof |
| CN116179914A (en) * | 2023-02-13 | 2023-05-30 | 哈尔滨工业大学 | Room-temperature high-plasticity soluble magnesium alloy and preparation method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343271A (en) * | 2013-07-08 | 2013-10-09 | 中南大学 | Light and pressure-proof fast-decomposed cast magnesium alloy |
| CN104004950A (en) * | 2014-06-05 | 2014-08-27 | 宁波高新区融创新材料科技有限公司 | Easily-soluble magnesium alloy material as well as production method and application thereof |
| EP2840156A1 (en) * | 2012-04-19 | 2015-02-25 | National University Corporation Kumamoto University | Magnesium alloy and method for producing same |
| CN107267827A (en) * | 2017-05-26 | 2017-10-20 | 广西庆达汽车零部件有限公司 | A kind of high-strength magnesium aluminium alloy |
| CN107385245A (en) * | 2017-06-09 | 2017-11-24 | 西安理工大学 | Manufacture method based on oil-gas mining with soluble alloy pressure break ball |
| CN108085548A (en) * | 2017-11-28 | 2018-05-29 | 袁颖宏 | A kind of quick dissolving has functional mechanical characteristic magnesium alloy and its manufacturing method |
| CN109161769A (en) * | 2018-10-30 | 2019-01-08 | 北京科技大学 | A kind of functional quickly solvable rare earth magnesium alloy material and preparation method thereof |
| CN109266927A (en) * | 2018-09-11 | 2019-01-25 | 山东省科学院新材料研究所 | It is a kind of can high-speed extrusion high-performance wrought magnesium alloy and preparation method thereof |
-
2019
- 2019-03-13 CN CN201910189609.0A patent/CN109694976B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2840156A1 (en) * | 2012-04-19 | 2015-02-25 | National University Corporation Kumamoto University | Magnesium alloy and method for producing same |
| CN103343271A (en) * | 2013-07-08 | 2013-10-09 | 中南大学 | Light and pressure-proof fast-decomposed cast magnesium alloy |
| CN104004950A (en) * | 2014-06-05 | 2014-08-27 | 宁波高新区融创新材料科技有限公司 | Easily-soluble magnesium alloy material as well as production method and application thereof |
| CN107267827A (en) * | 2017-05-26 | 2017-10-20 | 广西庆达汽车零部件有限公司 | A kind of high-strength magnesium aluminium alloy |
| CN107385245A (en) * | 2017-06-09 | 2017-11-24 | 西安理工大学 | Manufacture method based on oil-gas mining with soluble alloy pressure break ball |
| CN108085548A (en) * | 2017-11-28 | 2018-05-29 | 袁颖宏 | A kind of quick dissolving has functional mechanical characteristic magnesium alloy and its manufacturing method |
| CN109266927A (en) * | 2018-09-11 | 2019-01-25 | 山东省科学院新材料研究所 | It is a kind of can high-speed extrusion high-performance wrought magnesium alloy and preparation method thereof |
| CN109161769A (en) * | 2018-10-30 | 2019-01-08 | 北京科技大学 | A kind of functional quickly solvable rare earth magnesium alloy material and preparation method thereof |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110284033A (en) * | 2019-08-05 | 2019-09-27 | 深圳市爱斯特新材料科技有限公司 | A kind of Mg-Zn-Al base microalloying magnesium alloy of high intensity and preparation method thereof |
| CN110284033B (en) * | 2019-08-05 | 2020-11-24 | 深圳市爱斯特新材料科技有限公司 | High-strength Mg-Zn-Al-based microalloyed magnesium alloy and preparation method thereof |
| CN110923531A (en) * | 2019-11-14 | 2020-03-27 | 大同高镁科技有限公司 | Low-cost high-plasticity soluble magnesium alloy material and preparation method thereof |
| CN110923531B (en) * | 2019-11-14 | 2022-02-01 | 大同高镁科技有限公司 | Low-cost high-plasticity soluble magnesium alloy material and preparation method thereof |
| CN111041309A (en) * | 2019-12-08 | 2020-04-21 | 江苏奇纳新材料科技有限公司 | Soluble magnesium-based alloy and preparation method thereof |
| CN111041309B (en) * | 2019-12-08 | 2020-10-16 | 江苏奇纳新材料科技有限公司 | Soluble magnesium-based alloy and preparation method thereof |
| CN113667871A (en) * | 2021-08-10 | 2021-11-19 | 郑州轻研合金科技有限公司 | High-ductility soluble magnesium-lithium alloy and preparation method and application thereof |
| CN115466890A (en) * | 2022-09-19 | 2022-12-13 | 重庆科技学院 | High-toughness Cu-containing magnesium alloy material capable of being rapidly degraded and preparation method thereof |
| CN115466890B (en) * | 2022-09-19 | 2023-12-01 | 重庆科技学院 | High-strength and high-toughness Cu-containing magnesium alloy material capable of being rapidly degraded and preparation method thereof |
| CN116179914A (en) * | 2023-02-13 | 2023-05-30 | 哈尔滨工业大学 | Room-temperature high-plasticity soluble magnesium alloy and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109694976B (en) | 2020-03-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109694976A (en) | A kind of low cost soluble magnesium alloy and its preparation method and application | |
| CN105154734B (en) | It is a kind of can high-speed extrusion wrought magnesium alloy and preparation method thereof | |
| CN100572578C (en) | A kind of scandium-containing casting heat-resistant aluminum alloy and preparation method thereof | |
| EP0090583B1 (en) | Heat treatment of aluminium alloys | |
| US11795533B2 (en) | Heat-resistant and soluble magnesium alloy, preparation method and use thereof | |
| CN104032195B (en) | Efficiently-extrudable low-cost high-performance heat-conducting magnesium alloy and preparation method thereof | |
| CN109182860A (en) | A kind of magnesium alloy with high strength and ductility and preparation method | |
| CN101121979B (en) | Method for preparing Mg-Zn-Zr deformation magnesium alloy | |
| CN109666830B (en) | Wrought aluminum-lithium-copper-zinc alloy and preparation method thereof | |
| CN105755340A (en) | Low-cost high-strength high-toughness high-thermal conductivity wrought magnesium alloy and preparation method thereof | |
| CN102965557B (en) | Mg-8Gd-2Y-Li-Zr magnesium alloy and manufacturing method thereof | |
| CN101509091A (en) | High-strength high-ductility Al-Zn-Mg-Cu-Sr alloy and production method | |
| CN104046867A (en) | High-plasticity heat-conducting magnesium alloy and preparation method thereof | |
| CN102337437A (en) | High-plasticity casting Mg-Sn-Zn-Al series magnesium alloy | |
| CN101285144A (en) | Magnesium alloy for semi-solid forming and preparation method of semi- solid blank | |
| CN109338187A (en) | A kind of low cost can high-speed extrusion the tough wrought magnesium alloy of height and preparation method thereof | |
| WO2022165952A1 (en) | Fe-containing soluble magnesium alloy and preparation method therefor | |
| CN109930045B (en) | High-strength-toughness heat-resistant Mg-Gd alloy suitable for gravity casting and preparation method thereof | |
| CN109852859A (en) | High-toughness heat-resistant Mg-Y-Er alloy and preparation method thereof suitable for gravitational casting | |
| CN111876636B (en) | Dissoluble aluminum alloy material, preparation method thereof and fracturing ball | |
| CN114934218B (en) | Microalloyed high-strength plastic flame-retardant magnesium alloy and preparation method thereof | |
| CN113897567B (en) | Homogenization thermomechanical treatment method for rapidly refining and homogenizing cast aluminum-lithium alloy | |
| CN109881065B (en) | High-strength high-toughness heat-resistant Mg-Gd-Er alloy suitable for low-pressure casting and preparation method thereof | |
| CN111172440B (en) | Low-cost rapid-corrosion magnesium alloy and preparation method thereof | |
| CN109797332B (en) | High-strength-toughness heat-resistant Mg-Gd-Y alloy suitable for low-pressure casting and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220323 Address after: 400800 No. 2 Jinsheng Road, Pingshan Industrial Park, Wansheng Economic Development Zone, Qijiang District, Chongqing Patentee after: Chongqing Yuhua New Materials Technology Co.,Ltd. Address before: 250014 No. 19, ASTRI Road, Lixia District, Shandong, Ji'nan Patentee before: NEW MATERIAL INSTITUTE OF SHANDONG ACADEMY OF SCIENCES |
|
| TR01 | Transfer of patent right |