CN106244947A - A kind of preparation method of the Ni-based boron carbide composite material of doping neodymium yttrium samarium gadolinium - Google Patents
A kind of preparation method of the Ni-based boron carbide composite material of doping neodymium yttrium samarium gadolinium Download PDFInfo
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- CN106244947A CN106244947A CN201610764962.3A CN201610764962A CN106244947A CN 106244947 A CN106244947 A CN 106244947A CN 201610764962 A CN201610764962 A CN 201610764962A CN 106244947 A CN106244947 A CN 106244947A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
- C22C47/02—Pretreatment of the fibres or filaments
- C22C47/06—Pretreatment of the fibres or filaments by forming the fibres or filaments into a preformed structure, e.g. using a temporary binder to form a mat-like element
- C22C47/062—Pretreatment of the fibres or filaments by forming the fibres or filaments into a preformed structure, e.g. using a temporary binder to form a mat-like element from wires or filaments only
- C22C47/066—Weaving wires
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
- C22C47/14—Making alloys containing metallic or non-metallic fibres or filaments by powder metallurgy, i.e. by processing mixtures of metal powder and fibres or filaments
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/02—Alloys containing metallic or non-metallic fibres or filaments characterised by the matrix material
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Abstract
The present invention relates to the preparation method of the Ni-based boron carbide composite material of a kind of doping neodymium yttrium samarium gadolinium, it is weak for aluminum base neutron absorber material mechanical property, the situation that nuclear defence performance is low, with nickel as matrix, rare earth doped material neodymium samarium yttrium gadolinium does activeness and quietness agent, boron carbide does neutron absorber material, through dispensing, grind, powder process, vacuum hotpressing, rolling and forming, make the Ni-based boron carbide composite material with neutron-absorbing function, this preparation method technique is advanced, data are the fullest and the most accurate, composite is plate shape, metallographic structure compactness is good, hardness reaches 892HV, intensity reaches 400MPa, neutron-absorbing nuclear defence performance improves 60%；It it is the advanced method preparing Ni-based boron carbide composite material.
Description
Technical field
The present invention relates to the preparation method of the Ni-based boron carbide composite material of a kind of doping neodymium yttrium samarium gadolinium, belong to nuclear defence material
Preparation and the technical field of application.
Background technology
Having stronger radioprotective in nuclear power station and relevant nuclear facilities, radioprotective has stronger radioactivity, to environment,
People and animals and plants can be caused great pollution and injury, therefore nuclear facilities must be carried out tight protection.
In nuclear defence, most basic method is nuclear facilities to be enclosed in controlled environment, the most often with nuclear defence material
Nuclear defence material be neutron absorber material, such as boron carbide, often using aluminum as matrix, but aluminum fusing point is low, intensity is low, hardness
Low, corrosion-resistant, the neutron absorber plate that aluminum-based boron carbide is made is relatively light, easily makes, but owing to mechanical property is not enough, nuclear defence
Poor performance, fragile, service life is short, does not reaches the high request of nuclear defence.
Summary of the invention
Goal of the invention
It is an object of the invention to the deficiency for background technology, with nickel as matrix, boron carbide is as neutron-absorbing material, and adulterates
Neodymium, yttrium, samarium, gadolinium, make high intensity nuclear defence material, to improve mechanical property and the nuclear defence ability of neutron absorber material.
Technical scheme
The chemical substance material that the present invention uses is: nickel, boron carbide, neodymium, yttrium, samarium, gadolinium, dehydrated alcohol, carbon cloth, its
Prepare consumption as follows: with gram, milliliter, millimeter as measurement unit
Preparation method is as follows:
(1) selected raw chemical material
The chemical substance material using preparation to carry out selected, and carries out quality purity control:
(2) dried nikel powder
Nikel powder is placed in quartz container, is subsequently placed in vacuum drying oven, baking temperature 120 DEG C, vacuum 5Pa, dry
Dry time 60min；
(3) pre-oxidation treatment boron carbide powder
Boron carbide powder is placed in quartz container, is subsequently placed in heating furnace and carries out pre-oxidation treatment, Pre oxidation 450
DEG C, preoxidation time 30min；
(4) pre-oxidation treatment neodymium, yttrium, samarium, gadolinium powder
Neodymium, yttrium, samarium, gadolinium powder are respectively placed in quartz container, are subsequently placed in drying baker, are dried, baking temperature
120 DEG C, drying time 60min；
(5) dispensing
Weigh nikel powder 22.01g ± 0.001g, boron carbide powder 2.67g ± 0.001g, neodymium powder 0.4 ± 0.001g, yttrium powder 1.5g
± 0.001g, samarium powder 3.5g ± 0.001g, gadolinium powder 2g ± 0.001g, be placed in quartz container, stirring mixing, becomes mixing fine powders；
(6) ball milling, sieve
Being placed in ball mill by the mixing fine powders of preparation, carry out ball milling, rotational speed of ball-mill 400r/min, Ball-milling Time is
20min；
Sieve with 400 eye mesh screens after ball milling；
Ball milling, sieving repeats 3 times；
(7) Ni-based boron carbide composite material is prepared in vacuum hotpressing
1. open-close type hot pressing die is prepared
Open-close type hot pressing die CrWMn steel makes, and mold cavity is rectangle, mold cavity surface roughness Ra 0.08-0.16
μm, and assemble；
2. carbon cloth is sheared
Being placed in by carbon cloth on steel flat board, cut into rectangle by mold cavity bottom area, rectangular dimension is 100mm
× 0.5mm × 50mm, 2 pieces；
The most die-filling
Retractable die is placed on steel flat board, prefabricated steel lower cushion block is placed in bottom mold cavity, will shear
Lower carbon cloth be placed in steel lower cushion block top；
Mixing fine powders after grinding being sieved is placed in carbon cloth top, is placed on mixing fine powders by another block carbon cloth
Portion, then pushes down with steel upper holder block；
4. vacuum hotpressing
The hot pressing of Ni-based boron carbide composite material is carried out on vacuum hotpressing machine, is at vacuum state, Medium frequency induction
Heating, pressure process complete；
Open vacuum hotpressing machine, by the workbench in the retractable die parallel immigration vacuum hotpressing machine after die-filling；
By the top hold-down vertical depression in hot press to open-close module top；And it is airtight；
Opening vacuum pump, air in extracting vacuum hot press, in making vacuum hotpressing machine, pressure reaches 3Pa, and constant；
Open medium frequency induction heater, the mixing fine powders in heating retractable die, heating-up temperature 700 DEG C ± 2 DEG C；
In heating process, pressure motor presses, and press pressure 40MPa；
Heating, pressure time 120min；
Mixing fine powders is shaped to Ni-based boron carbide block in heating, course of exerting pressure；
Stopping heating, stop pressure, Ni-based boron carbide block is cooled to 25 DEG C in vacuum hotpressing machine；
Close vacuum pump, open vacuum hotpressing machine, take out retractable die；
5. die sinking, takes out Ni-based boron carbide block；
(8) average tempering
Ni-based boron carbide block is placed in heat-treatment furnace, carries out average tempering, temperature 600 DEG C, tempering time
20min；
(9) rolling and forming
The rolling and forming of Ni-based boron carbide block is carried out on roller mill, completes in heating, roll milling process；
Ni-based boron carbide block is placed between the topping roll of roller mill and bottom roll；
Open topping roll heating rotating box, bottom roll heating rotating box, heating-up temperature 300 DEG C；
Topping roll rotation direction for rotating counterclockwise, velocity of rotation 10r/min；
Bottom roll rotation direction for rotating clockwise, velocity of rotation 10r/min；
Ni-based boron carbide block rolls from left to right, and rolling number of times is 7 passages；
It it is the Ni-based boron carbide composite plate of doping neodymium yttrium samarium gadolinium after rolling；
(10) average tempering
The Ni-based boron carbide composite plate of the doping neodymium yttrium samarium gadolinium after rolling is placed in vacuum heat treatment furnace, carries out middle temperature and return
Fire, vacuum 6Pa, temperature 200 DEG C, tempering time 60min；
Be end-product after tempering, i.e. the Ni-based boron carbide composite material of doping neodymium yttrium samarium gadolinium；
(11) arrange, clean
The Ni-based boron carbide board of doping neodymium yttrium samarium gadolinium is placed on steel flat board, with sand papering periphery and positive and negative surface,
Then with washes of absolute alcohol, dry after cleaning；
(12) detect, analyze, characterize
To the thing phase of Ni-based boron carbide composite material of doping neodymium yttrium samarium gadolinium prepared, metallographic structure, mechanical property, neutron
Absorb nuclear defence performance to carry out detecting, analyze, characterize；
Material phase analysis is carried out with X-ray diffractometer；
Metallographic structure analysis is carried out with metallography microscope instrument；
It is curved performance evaluation with universal tensile tester；
Conclusion: the Ni-based boron carbide composite material of doping neodymium yttrium samarium gadolinium is rectangular plate, and metallographic structure compactness is good, hardness
Reaching 892HV, intensity reaches 400MPa, and neutron-absorbing nuclear defence performance improves 60%；
(13) product storage
Ni-based boron carbide composite material soft material packaging to the doping neodymium yttrium samarium gadolinium of preparation, is stored in cleaning, does
Dry environment, acid-alkali salt moistureproof, sun-proof, anti-corrodes, storage temperature 20 DEG C, relative humidity≤10%.
Beneficial effect
The present invention has obvious advance compared with background technology, is for aluminum base neutron absorber material mechanical property
Situation weak, that nuclear defence performance is low, does matrix with nickel, and rare earth doped material neodymium yttrium samarium gadolinium does activeness and quietness agent, during boron carbide does
Sub-absorbing material, through dispensing, grinding, powder process, vacuum hotpressing, rolling and forming, makes the Ni-based carbonization with neutron-absorbing function
Boron composite, this preparation method technique is advanced, and data are the fullest and the most accurate, and composite is plate shape, and metallographic structure compactness is good, firmly
Degree reaches 892HV, and intensity reaches 400MPa, and neutron-absorbing nuclear defence performance improves 60%, and the Ni-based boron carbide of preparing being advanced is combined
The method of material.
Accompanying drawing explanation
Ni-based boron carbide composite material state diagram is prepared in Fig. 1, vacuum hotpressing
Fig. 2, rolling and forming Ni-based boron carbide composite material board status figure
Fig. 3, the Ni-based boron carbide composite material plate cross section shape appearance figure of doping neodymium yttrium samarium gadolinium
Fig. 4, the Ni-based boron carbide composite material X-ray diffraction intensity collection of illustrative plates of doping neodymium yttrium samarium gadolinium
Fig. 5, the Ni-based boron carbide composite material stress-strain curve diagram of doping neodymium yttrium samarium gadolinium
Shown in figure, list of numerals as follows:
1, vacuum hotpressing machine, 2, base, the 3, first footstock, 4, workbench, 5, pressure motor, 6, press rods, 7, intermediate frequency sense
Answer heater, 8, outer water circulating cooling pipe, 9, water intaking valve, 10, outlet valve, 11, seaming chuck, 12, retractable die, 13, underlay
Block, 14, lower carbon cloth, 15, Ni-based boron carbide composite material mixing fine powders, 16, upper carbon cloth, 17, upper holder block, 18, open
Close frame, 19, vacuum pump, 20, vacuum valve, 21, vacuum tube, 22, electric cabinet, the 23, first display screen, the 24, first display lamp, 25,
Controller for vacuum pump, 26, Frequency Induction Heating controller, 27, pressure electric machine controller, the 28, first on and off switch, 29, machine cavity,
30, roller mill, 31, left column, 32, right column, the 33, second footstock, 34, topping roll heating rotating box, 35, topping roll, 36, under
Roll heating rotating box, 37, bottom roll, 38, second display screen, the 39, second display lamp, 40, second source switch, 41, on roll
Roller heating pivoting controller, 42, bottom roll heating pivoting controller, 43, wire, 44, Ni-based boron carbide composite material plate.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described:
Shown in Fig. 1, for Ni-based boron carbide composite material vacuum hotpressing state diagram, position, each portion, annexation are wanted correct, are pressed
Amount proportioning, sequentially operates.
The value of the chemical substance that preparation uses is to determine by the scope pre-set, with gram, milliliter, millimeter for metering
Unit.
The hot pressing of Ni-based boron carbide composite material is carried out in vacuum hotpressing machine, is at vacuum state, Medium frequency induction
Complete under heating；
Vacuum hotpressing machine 1 is vertical, vacuum hotpressing machine 1 bottom be base 2, top be the first footstock 3, internal for machine cavity
29；In machine cavity 29, it is provided with workbench 4, puts retractable die 12 in workbench 4 upper vertical, in retractable die 12
Lower cushion block 13 is put in bottom, and carbon cloth 14 under lower cushion block 13 top is put, is Ni-based carbonization on lower carbon cloth 14 top
Boron composite mixing fine powders 15, carbon cloth 16 on Ni-based boron carbide composite material mixing fine powders 15 top is, upper carbon is fine
Dimension cloth 16 top is upper holder block 17, and retractable die 12 4 corner is fixed by movable rack 18；Upper holder block 17 top connects seaming chuck
11, seaming chuck 11 top connects press rods 6, and press rods 6 top connects the first footstock 3, pressure motor 5；At vacuum hotpressing machine 1
Inwall is provided with medium frequency induction heater 7；It is provided with outer water circulating cooling pipe 8 in the outside of vacuum hotpressing machine 1, and passes through water intaking valve
9, outlet valve 10 is connected with external water source；Right lower quadrant at vacuum hotpressing machine 1 is provided with vacuum pump 19, is provided with on vacuum pump 19 top
Vacuum valve 20, vacuum tube 21, and connect with machine cavity 29；Left part at vacuum hotpressing machine 1 is provided with electric cabinet 22, on electric cabinet 22
It is provided with first display screen the 23, first display lamp 24, controller for vacuum pump 25, Frequency Induction Heating controller 26, pressure motor control
Device the 27, first on and off switch 28 processed；Electric cabinet 22 is by wire 43 and pressure motor 5, vacuum pump 19, medium frequency induction heater 7
Connect.
Shown in Fig. 2, for rolling and forming Ni-based boron carbide composite material board status figure, position, each portion, annexation are wanted correctly,
Sequentially operate.
Roller mill 30 is vertical, is provided with left column 31, right column 32 on roller mill 30 top, and connects second top on top
Seat 33, the overall type of composition；Topping roll heating rotating box 34, topping roll heating rotating box 34 times it is provided with in the second footstock 33 bottom
Portion connects topping roll 35；It is provided with bottom roll heating rotating box 36 on roller mill 30 top, heats rotating box 36 top at bottom roll
It is provided with bottom roll 37；It it is Ni-based boron carbide composite material plate 44 between topping roll 35 and bottom roll 37；Ni-based boron carbide is combined
Plate of material 44 is between topping roll 35, bottom roll 37, topping roll 35 rotation direction for rotating counterclockwise, bottom roll 37 side of rotation
To for rotating clockwise, Ni-based boron carbide composite material plate 44 rolls from left to right.
Shown in Fig. 3, for the Ni-based boron carbide composite material plate cross section shape appearance figure of doping neodymium yttrium samarium gadolinium, shown in figure, B4C
It is distributed in the middle of matrix, reunion, crackle and gas hole defect do not occur.
Shown in Fig. 4, for the Ni-based boron carbide composite material X-ray diffraction intensity collection of illustrative plates of doping neodymium yttrium samarium gadolinium, shown in figure,
Vertical coordinate be diffracted intensity, abscissa be the angle of diffraction, x-ray diffraction angle is 20 ° to 80 °, summit at 45 ° of positions, doping
Diffusion reaction is there occurs between rare earth element, matrix, granule three.
Shown in Fig. 5, for the Ni-based boron carbide composite material stress-strain curve diagram of doping neodymium yttrium samarium gadolinium, shown in figure, material
The tensile strength of material is 400MPa.
Claims (3)
1. the preparation method of the Ni-based boron carbide composite material of a doping neodymium samarium yttrium gadolinium, it is characterised in that the chemicals of use
Material is: nickel, boron carbide, neodymium, yttrium, samarium, gadolinium, dehydrated alcohol, carbon cloth, its prepare consumption as follows: with gram, milliliter, in the least
Rice is measurement unit
Preparation method is as follows:
(1) selected raw chemical material
The chemical substance material using preparation to carry out selected, and carries out quality purity control:
(2) dried nikel powder
Being placed in quartz container by nikel powder, be subsequently placed in vacuum drying oven, baking temperature 120 DEG C, vacuum 5Pa, when being dried
Between 60min；
(3) pre-oxidation treatment boron carbide powder
Boron carbide powder is placed in quartz container, is subsequently placed in heating furnace and carries out pre-oxidation treatment, Pre oxidation 450 DEG C,
Preoxidation time 30min；
(4) pre-oxidation treatment neodymium, yttrium, samarium, gadolinium powder
Neodymium, yttrium, samarium, gadolinium powder are respectively placed in quartz container, are subsequently placed in drying baker, are dried, baking temperature 120
DEG C, drying time 60min；
(5) dispensing
Weigh nikel powder 22.01g ± 0.001g, boron carbide powder 2.67g ± 0.001g, neodymium powder 0.4 ± 0.001g, yttrium powder 1.5g ±
0.001g, samarium powder 3.5g ± 0.001g, gadolinium powder 2g ± 0.001g, be placed in quartz container, stirring mixing, becomes mixing fine powders；
(6) ball milling, sieve
Being placed in ball mill by the mixing fine powders of preparation, carry out ball milling, rotational speed of ball-mill 400r/min, Ball-milling Time is 20min；
Sieve with 400 eye mesh screens after ball milling；
Ball milling, sieving repeats 3 times；
(7) Ni-based boron carbide composite material is prepared in vacuum hotpressing
1. open-close type hot pressing die is prepared
Open-close type hot pressing die CrWMn steel makes, and mold cavity is rectangle, mold cavity surface roughness Ra 0.08-0.16 μm,
And assemble；
2. carbon cloth is sheared
Carbon cloth is placed on steel flat board, cuts into rectangle by mold cavity bottom area, rectangular dimension be 100mm ×
0.5mm × 50mm, 2 pieces；
The most die-filling
Retractable die is placed on steel flat board, prefabricated steel lower cushion block is placed in bottom mold cavity, under shearing
Carbon cloth is placed in steel lower cushion block top；
Mixing fine powders after grinding being sieved is placed in carbon cloth top, and another block carbon cloth is placed in mixing fine powders top,
Then push down with steel upper holder block；
4. vacuum hotpressing
The hot pressing of Ni-based boron carbide composite material is carried out on vacuum hotpressing machine, be vacuum state, Frequency Induction Heating,
Pressure process completes；
Open vacuum hotpressing machine, by the workbench in the retractable die parallel immigration vacuum hotpressing machine after die-filling；
By the top hold-down vertical depression in hot press to open-close module top；And it is airtight；
Opening vacuum pump, air in extracting vacuum hot press, in making vacuum hotpressing machine, pressure reaches 3Pa, and constant；
Open medium frequency induction heater, the mixing fine powders in heating retractable die, heating-up temperature 700 DEG C ± 2 DEG C；
In heating process, pressure motor presses, and press pressure 40MPa；
Heating, pressure time 120min；
Mixing fine powders is shaped to Ni-based boron carbide block in heating, course of exerting pressure；
Stopping heating, stop pressure, Ni-based boron carbide block is cooled to 25 DEG C in vacuum hotpressing machine；
Close vacuum pump, open vacuum hotpressing machine, take out retractable die；
5. die sinking, takes out Ni-based boron carbide block；
(8) average tempering
Ni-based boron carbide block is placed in heat-treatment furnace, carries out average tempering, temperature 600 DEG C, tempering time 20min；
(9) rolling and forming
The rolling and forming of Ni-based boron carbide block is carried out on roller mill, completes in heating, roll milling process；
Ni-based boron carbide block is placed between the topping roll of roller mill and bottom roll；
Open topping roll heating rotating box, bottom roll heating rotating box, heating-up temperature 300 DEG C；
Topping roll rotation direction for rotating counterclockwise, velocity of rotation 10r/min；
Bottom roll rotation direction for rotating clockwise, velocity of rotation 10r/min；
Ni-based boron carbide block rolls from left to right, and rolling number of times is 7 passages；
It it is the Ni-based boron carbide composite plate of doping neodymium yttrium samarium gadolinium after rolling；
(10) average tempering
The Ni-based boron carbide composite plate of the doping neodymium yttrium samarium gadolinium after rolling is placed in vacuum heat treatment furnace, carries out average tempering,
Vacuum 6Pa, temperature 200 DEG C, tempering time 60min；
Be end-product after tempering, i.e. the Ni-based boron carbide composite material of doping neodymium yttrium samarium gadolinium；
(11) arrange, clean
The Ni-based boron carbide board of doping neodymium yttrium samarium gadolinium is placed on steel flat board, with sand papering periphery and positive and negative surface, then
With washes of absolute alcohol, dry after cleaning；
(12) detect, analyze, characterize
To the thing phase of Ni-based boron carbide composite material of doping neodymium yttrium samarium gadolinium prepared, metallographic structure, mechanical property, neutron-absorbing
Nuclear defence performance carries out detecting, analyzes, characterizes；
Material phase analysis is carried out with X-ray diffractometer；
Metallographic structure analysis is carried out with metallography microscope instrument；
It is curved performance evaluation with universal tensile tester；
Conclusion: the Ni-based boron carbide composite material of doping neodymium yttrium samarium gadolinium is rectangular plate, and metallographic structure compactness is good, and hardness reaches
892HV, intensity reaches 400MPa, and neutron-absorbing nuclear defence performance improves 60%；
(13) product storage
Ni-based boron carbide composite material soft material packaging to the doping neodymium yttrium samarium gadolinium of preparation, is stored in cleaning, is dried ring
Border, acid-alkali salt moistureproof, sun-proof, anti-corrodes, storage temperature 20 DEG C, relative humidity≤10%.
The preparation method of the Ni-based boron carbide composite material of a kind of doping neodymium yttrium samarium gadolinium the most according to claim 1, it is special
Levy and be: the hot pressing of Ni-based boron carbide composite material is carried out in vacuum hotpressing machine, be to add at vacuum state, Medium frequency induction
Complete under heat；
Vacuum hotpressing machine (1) is vertical, vacuum hotpressing machine (1) bottom be base (2), top be the first footstock (3), internal for machine
Chamber (29)；In machine cavity (29), it is provided with workbench (4), puts retractable die (12) in workbench (4) upper vertical, opening
Box-like mould (12) inner bottom part puts lower cushion block (13), carbon cloth (14) under lower cushion block (13) top is put, fine at lower carbon
Wei Bu (14) top is Ni-based boron carbide composite material mixing fine powders (15), Ni-based boron carbide composite material mixing fine powders (15)
Top is upper carbon cloth (16), and upper carbon cloth (16) top is upper holder block (17), and retractable die (12) four corner is by opening
Close frame (18) to fix；Upper holder block (17) top connects seaming chuck (11), and seaming chuck (11) top connects press rods (6), press rods
(6) top connects the first footstock (3), pressure motor (5)；The inwall of vacuum hotpressing machine (1) is provided with medium frequency induction heater
(7)；Outer water circulating cooling pipe (8) it is provided with in the outside of vacuum hotpressing machine (1), and by water intaking valve (9), outlet valve (10) with outer
Water receiving source connects；Right lower quadrant at vacuum hotpressing machine (1) is provided with vacuum pump (19), is provided with vacuum valve on vacuum pump (19) top
(20), vacuum tube (21), and connect with machine cavity (29)；Left part at vacuum hotpressing machine (1) is provided with electric cabinet (22), at electric cabinet
(22) the first display screen (23), the first display lamp (24), controller for vacuum pump (25), Frequency Induction Heating controller it are provided with
(26), pressure electric machine controller (27), the first on and off switch (28)；Electric cabinet (22) by wire (43) and pressure motor (5),
Vacuum pump (19), medium frequency induction heater (7) connect.
The preparation method of a kind of doping neodymium yttrium Ni-based boron carbide composite material of samarium gadolinium the most according to claim 1, its feature
It is: roller mill (30) is vertical, is provided with left column (31), right column (32) on roller mill (30) top, and connects top
Second footstock (33), the overall type of composition；Be provided with topping roll heating rotating box (34) in the second footstock (33) bottom, topping roll adds
Hot rotating box (34) bottom connects topping roll (35)；Be provided with on roller mill (30) top bottom roll heating rotating box (36), under
Roll heating rotating box (36) top is provided with bottom roll (37)；It is Ni-based boron carbide between topping roll (35) and bottom roll (37)
Composite panel (44)；Ni-based boron carbide composite material plate (44) is between topping roll (35), bottom roll (37), topping roll
(35) rotation direction is for rotating counterclockwise, bottom roll (37) rotation direction for rotating clockwise, Ni-based boron carbide composite material plate
(44) roll from left to right.
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| CN108060313A (en) * | 2017-12-01 | 2018-05-22 | 太原理工大学 | A kind of preparation method of aluminium base gadolinium oxide neutron absorber plate |
| CN112937014A (en) * | 2021-01-29 | 2021-06-11 | 大连理工大学 | Nickel-based boron carbide composite packaging material and preparation method thereof |
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|---|---|---|---|---|
| CN103911610A (en) * | 2014-04-01 | 2014-07-09 | 太原理工大学 | Preparation method of shielding aluminum-based aluminum plate |
| CN104190914A (en) * | 2014-08-21 | 2014-12-10 | 太原理工大学 | Method for preparing boron, lead and aluminum composite board preventing X rays, gamma rays and neutron irradiation |
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| CN108060313A (en) * | 2017-12-01 | 2018-05-22 | 太原理工大学 | A kind of preparation method of aluminium base gadolinium oxide neutron absorber plate |
| CN108060313B (en) * | 2017-12-01 | 2019-03-01 | 太原理工大学 | A kind of preparation method of aluminium base gadolinium oxide neutron absorber plate |
| CN112937014A (en) * | 2021-01-29 | 2021-06-11 | 大连理工大学 | Nickel-based boron carbide composite packaging material and preparation method thereof |
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