CN1727089A - Continuous preparation facilities for casting semisolid blank made from alloy in lightweight - Google Patents
Continuous preparation facilities for casting semisolid blank made from alloy in lightweight Download PDFInfo
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- CN1727089A CN1727089A CN 200510010232 CN200510010232A CN1727089A CN 1727089 A CN1727089 A CN 1727089A CN 200510010232 CN200510010232 CN 200510010232 CN 200510010232 A CN200510010232 A CN 200510010232A CN 1727089 A CN1727089 A CN 1727089A
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Abstract
An apparatus and method for continuously casting the semi-solid blank of light alloy is disclosed. Its advantages are simple structure, high microstructure uniformity, and fine crystal grain (less than 50 microns).
Description
Technical field:
What the present invention relates to is the continuous preparing technical field of casting alloy in lightweight semi-solid blank.
Background technology:
Semi-solid processing a kind of alloy precision near-net-shape technology that application prospect and industrial application value are arranged very much that to be early 1970s provided by the scholars such as Flemings of U.S. MIT.Through 30 years of development, semi-solid processing has been divided into thixotropic forming technology and rheological molding technology.At present, the thixotropic forming technology is most widely used; The semi-solid die casting technology is obtaining good application aspect automobile, Aeronautics and Astronautics and the electronic apparatus.The semi-solid die casting technology generally is divided into preparation, post bake (remelting) and three operations of thixotropic forming of semi-solid blank.In the semi-solid die casting technical research, the preparation of semi-solid blank is a research field the most popular all the time.The main bottleneck problem that existing restriction semi-solid processing metal is further used is exactly the preparation problem of semi-solid blank, for the casting alloy in lightweight, all there are problems such as the blank microstructure is inhomogeneous, cost height in present mechanical mixing method, electromagnetic stirring method, and there is the problem that blank crystal grain is thick, the nodularization degree is low in the isothermal processes method.
Summary of the invention:
The objective of the invention is all to have the problem that the blank microstructure is inhomogeneous, cost is high in order to solve present mechanical mixing method, electromagnetic stirring method, reach the isothermal processes method and have the problem that blank crystal grain is thick, the nodularization degree is low, and then a kind of continuous preparation device and preparation method who casts the alloy in lightweight semi-solid blank is provided.
This device is imported running roller 4, second level and is imported running roller 5, angle, isometrical road extrusion die 6, first level and derive that running roller 7, second level are derived running roller 8, base 10 is formed by the oil cylinder 1 of exerting pressure, the first vertical vertical running roller 3, first level of importing of running roller 2, second that import; The left end face of oil cylinder 1 of exerting pressure is connected on its right end face of support 10-5 in left side, base 10 upper surfaces, the first vertical rotating shaft 2-1 that imports running roller 2 realizes being rotationally connected of vertical direction by the axle 10-1-1 on the support 10-1 of connecting rod 2-2 and base 10 upper surface left side central portion, the second vertical rotating shaft 3-1 that imports running roller 3 realizes being rotationally connected of vertical direction by the axle 10-1-2 in the middle part of connecting rod 3-2 and the support 10-1, the rotating shaft 4-1 of first level importing running roller 4 realizes being rotationally connected of fore-and-aft direction by the axle 10-2-1 of support 10-2 upper end one side of connecting rod 4-2 and base 10 upper surface right side central, the rotating shaft 5-1 of second level importing running roller 5 realizes that by the axle 10-2-2 of connecting rod 5-2 and support 10-2 upper end opposite side a fore-and-aft direction is rotationally connected, the rotating shaft 7-1 of first level derivation running roller 7 realizes being rotationally connected of left and right directions by the axle 10-3-1 of support 10-3 upper end one side of connecting rod 7-2 and lower right side, base 10 upper surface, the rotating shaft 8-1 of second level derivation running roller 8 realizes being rotationally connected of left and right directions by the axle 10-3-2 of connecting rod 8-2 and support 10-3 upper end opposite side, the bottom face of angle, isometrical road extrusion die 6 is connected on the upper surface of support 10-4 of upper right side, base 10 upper surface, the axial line of angle, isometrical road extrusion die 6 charging port 6-1, the axial line of oil cylinder 1 force-transmitting piston bar 1-1 of exerting pressure overlaps, the axial line of force-transmitting piston bar 1-1 passes between the periphery of the vertical importing with second of the periphery running roller 3 of the first vertical importing running roller 2, the axial line of force-transmitting piston bar 1-1 imports running roller 4 in first level periphery and second level import between the periphery of running roller 5 and pass, and the axial line of the discharging port 6-2 of angle, isometrical road extrusion die 6 is derived in first level between the periphery of the periphery of running roller 7 and second level derivation running roller 8 and passed.
Continuous preparation method's of the present invention step is:
First step: diameter be 80mm～150mm, length be the end apical grafting of casting alloy in lightweight cylinder strand material 9 of 500mm～1000mm on the termination, right side of the force-transmitting piston bar 1-1 of the oil cylinder 1 of exerting pressure, the other end of casting alloy in lightweight cylinder strand material 9 is placed among the charging port 6-1 of angle, isometrical road extrusion die 6; Make casting alloy in lightweight cylinder strand material 9 middle parts be clipped in first and vertically import between the vertical importing of running roller 2 running roller 3, casting alloy in lightweight cylinder strand material 9 middle parts near angle, isometrical road extrusion die 6 one sides first level that is clipped in is imported between running roller 4 and second level importing running roller 5 with second near oil cylinder 1 one sides of exerting pressure;
Second step: start oil cylinder 1 work of exerting pressure, start the first vertical running roller 2 that imports, the second vertical running roller 3 that imports, first level imports running roller 4, second level imports running roller 5, first level derives running roller 7, second level derives running roller 8 and rotates synchronously, the force-transmitting piston bar 1-1 of oil cylinder 1 exerts pressure, the first vertical running roller 2 that imports, the second vertical running roller 3 that imports, first level imports running roller 4, second level imports running roller 5 and will cast jointly among the charging port 6-1 that alloy in lightweight cylinder strand material 9 heads into angle, isometrical road extrusion die 6, casting alloy in lightweight cylinder strand material 9 is extruded from the discharging port 6-2 of angle, isometrical road extrusion die 6, derived between running roller 7 and second level derivation running roller 8 by its casting alloy in lightweight cylinder strand material 9 that squeezes out first level that is sandwiched in;
Third step: in the process in the force-transmitting piston bar 1-1 of the oil cylinder 1 of exerting pressure will cast the charging port 6-1 that alloy in lightweight cylinder strand material 9 heads into angle, isometrical road extrusion die 6, when the vertical importing in the termination of force-transmitting piston bar 1-1 running roller 2 with first, second vertical import between the running roller 3 be 150mm～200mm apart from length the time, the first vertical running roller 2 that imports, the second vertical running roller 3 that imports all leaves casting alloy in lightweight cylinder strand material 9, force-transmitting piston bar 1-1 moves forward, termination and first level importing running roller 4 as force-transmitting piston bar 1-1, second level import between the running roller 5 be 150mm～200mm apart from length the time, first level imports running roller 4, second level imports running roller 5 and all leaves casting alloy in lightweight cylinder strand material 9, force-transmitting piston bar 1-1 moves forward, when being 60mm～100mm apart from length between the charging port 6-1 of the termination of force-transmitting piston bar 1-1 and angle, isometrical road extrusion die 6, force-transmitting piston bar 1-1 is fed back into along former road and opens the beginning position, and put into next root casting alloy in lightweight cylinder strand material 9, first vertically import running roller 2 then, the second vertical running roller 3 that imports, first level imports running roller 4, second level imports running roller 5 and also gets back to the home position; The casting alloy in lightweight cylinder strand material 9 that squeezes out at the discharging port 6-2 of angle, isometrical road extrusion die 6 is derived running roller 7 and 8 derivation of second level derivation running roller by first level simultaneously;
The 4th step: return first step, next root casting alloy in lightweight cylinder strand material 9 is carried out extrusion process.
Device among the present invention can carry out the angle extruding deforming processing of the isometrical road of continuous and local to casting alloy in lightweight cylinder strand material continuously, and has simple in structure, advantage of low manufacturing cost; Its continuous preparation method can make even, the nodularization degree height of the microstructure of the blank after the processing, make its crystallite dimension below 50 μ m, this blank can continue to remain on below the 50 μ m in crystallite dimension after the isothermal processes, and it also has the advantage of procedure of processing simple and fast.
Description of drawings:
Fig. 1 is the structural representation of continuous preparation device of the present invention, Fig. 2 is the A-A cutaway view of Fig. 1, Fig. 3 is the B-B cutaway view of Fig. 1, Fig. 4 is the structural representation of angle, isometrical road extrusion die 6, Fig. 5 is the upward view of the patrix 6-3 of angle, isometrical road extrusion die 6 among Fig. 4, and Fig. 6 is the vertical view of the counterdie 6-4 of angle, isometrical road extrusion die 6 among Fig. 4.
The specific embodiment:
The specific embodiment one: in conjunction with Fig. 1, Fig. 2, Fig. 3 present embodiment is described, the continuous preparation device of the casting alloy in lightweight semi-solid blank of present embodiment is imported running roller 4, second level and is imported running roller 5, angle, isometrical road extrusion die 6, first level and derive that running roller 7, second level are derived running roller 8, base 10 is formed by the oil cylinder 1 of exerting pressure, the first vertical vertical running roller 3, first level of importing of running roller 2, second that import; The left end face of oil cylinder 1 of exerting pressure is connected on its right end face of support 10-5 in left side, base 10 upper surfaces, the rotating shaft 2-1 of the first vertical importing running roller 2 and the axis hole of connecting rod 2-2 one end are rotationally connected, the axle 10-1-1 of the support 10-1 upper end of the axis hole of the connecting rod 2-2 other end and base 10 upper surface left side central portion is rotationally connected, realize being rotationally connected of vertical direction, the rotating shaft 3-1 of the second vertical importing running roller 3 and the axis hole of connecting rod 3-2 one end are rotationally connected, the axle 10-1-2 at the axis hole of the connecting rod 3-2 other end and support 10-1 middle part is rotationally connected, realize being rotationally connected of vertical direction, first level imports the rotating shaft 4-1 of running roller 4 and the axis hole of connecting rod 4-2 one end is rotationally connected, the axle 10-2-1 of support 10-2 upper end one side of the axis hole of the connecting rod 4-2 other end and base 10 upper surface right side central is rotationally connected, realize being rotationally connected of fore-and-aft direction, second level imports the rotating shaft 5-1 of running roller 5 and the axis hole of connecting rod 5-2 one end is rotationally connected, the axle 10-2-2 of the axis hole of the connecting rod 5-2 other end and support 10-2 upper end opposite side is rotationally connected, realize being rotationally connected of fore-and-aft direction, first level derives the rotating shaft 7-1 of running roller 7 and the axis hole of connecting rod 7-2 one end is rotationally connected, the axle 10-3-1 of support 10-3 upper end one side of the axis hole of the connecting rod 7-2 other end and lower right side, base 10 upper surface is rotationally connected, realize being rotationally connected of left and right directions, second level derives the rotating shaft 8-1 of running roller 8 and the axis hole of connecting rod 8-2 one end is rotationally connected, the axle 10-3-2 of the axis hole of the connecting rod 8-2 other end and support 10-3 upper end opposite side is rotationally connected, realize being rotationally connected of left and right directions, the bottom face of angle, isometrical road extrusion die 6 is connected on the upper surface of support 10-4 of upper right side, base 10 upper surface, the axial line of angle, isometrical road extrusion die 6 charging port 6-1, the axial line of oil cylinder 1 force-transmitting piston bar 1-1 of exerting pressure overlaps, the axial line of force-transmitting piston bar 1-1 passes between the periphery of the vertical importing with second of the periphery running roller 3 of the first vertical importing running roller 2, the axial line of force-transmitting piston bar 1-1 imports running roller 4 in first level periphery and second level import between the periphery of running roller 5 and pass, and the axial line of the discharging port 6-2 of angle, isometrical road extrusion die 6 is derived in first level between the periphery of the periphery of running roller 7 and second level derivation running roller 8 and passed.One end apical grafting of casting alloy in lightweight cylinder strand material 9 on the termination, right side of the force-transmitting piston bar 1-1 of the oil cylinder 1 of exerting pressure, is placed on the other end of casting alloy in lightweight cylinder strand material 9 among the charging port 6-1 of angle, isometrical road extrusion die 6.The stroke of the force-transmitting piston bar 1-1 in the oil cylinder 1 of exerting pressure is 1200mm.
The specific embodiment two: in conjunction with Fig. 1, Fig. 2, Fig. 3 present embodiment is described, the axial line of axial line, second level importing running roller 5 that imports running roller 4 in the vertical axial line that imports running roller 2 of first described in the specific embodiment one, the second vertical axial line that imports running roller 3 and first level is vertical mutually; First level derives the axial line of running roller 7, axial line and the axial line of first level importing running roller 4, the axial line that second level imports running roller 5 that second level derives running roller 8 is parallel to each other.
The specific embodiment three: in conjunction with Fig. 4, Fig. 5, Fig. 6 present embodiment is described, forms by patrix 6-3, counterdie 6-4 at angle, the isometrical road extrusion die 6 described in the specific embodiment one; Have right angle groove 6-3-1 on the lower surface of patrix 6-3, the cross section of right angle groove 6-3-1 is semi-circular, has right angle groove 6-4-1 on the upper surface of counterdie 6-4, and the cross section of right angle groove 6-4-1 is semi-circular; The lower surface of patrix 6-3 connects the upper surface of counterdie 6-4, and right angle groove 6-3-1 and the right angle groove 6-4-1 on the counterdie 6-4 upper surface on the patrix 6-3 lower surface are coincide mutually, and then is combined to form a complete isometrical right angle pylone.
The specific embodiment four: the continuous preparation method's of present embodiment step is:
First step: diameter be 80mm～150mm, length be the end apical grafting of casting alloy in lightweight cylinder strand material 9 of 500mm～1000mm on the termination, right side of the force-transmitting piston bar 1-1 of the oil cylinder 1 of exerting pressure, the other end of casting alloy in lightweight cylinder strand material 9 is placed among the charging port 6-1 of angle, isometrical road extrusion die 6; Make casting alloy in lightweight cylinder strand material 9 middle parts be clipped in first and vertically import between the vertical importing of running roller 2 running roller 3, casting alloy in lightweight cylinder strand material 9 middle parts near angle, isometrical road extrusion die 6 one sides first level that is clipped in is imported between running roller 4 and second level importing running roller 5 with second near oil cylinder 1 one sides of exerting pressure;
Second step: start oil cylinder 1 work of exerting pressure, start the first vertical running roller 2 that imports, the second vertical running roller 3 that imports, first level imports running roller 4, second level imports running roller 5, first level derives running roller 7, second level derives running roller 8 and rotates synchronously, the force-transmitting piston bar 1-1 of oil cylinder 1 exerts pressure, the first vertical running roller 2 that imports, the second vertical running roller 3 that imports, first level imports running roller 4, second level imports running roller 5 and will cast jointly among the charging port 6-1 that alloy in lightweight cylinder strand material 9 heads into angle, isometrical road extrusion die 6, casting alloy in lightweight cylinder strand material 9 is extruded from the discharging port 6-2 of angle, isometrical road extrusion die 6, derived between running roller 7 and second level derivation running roller 8 by its casting alloy in lightweight cylinder strand material 9 that squeezes out first level that is sandwiched in;
Third step: in the process in the force-transmitting piston bar 1-1 of the oil cylinder 1 of exerting pressure will cast the charging port 6-1 that alloy in lightweight cylinder strand material 9 heads into angle, isometrical road extrusion die 6, when the vertical importing in the termination of force-transmitting piston bar 1-1 running roller 2 with first, second vertical import between the running roller 3 be 150mm～200mm apart from length the time, the first vertical running roller 2 that imports, the second vertical running roller 3 that imports all leaves casting alloy in lightweight cylinder strand material 9, force-transmitting piston bar 1-1 moves forward, termination and first level importing running roller 4 as force-transmitting piston bar 1-1, second level import between the running roller 5 be 150mm～200mm apart from length the time, first level imports running roller 4, second level imports running roller 5 and all leaves casting alloy in lightweight cylinder strand material 9, force-transmitting piston bar 1-1 moves forward, when being 60mm～100mm apart from length between the charging port 6-1 of the termination of force-transmitting piston bar 1-1 and angle, isometrical road extrusion die 6, force-transmitting piston bar 1-1 is fed back into along former road and opens the beginning position, and put into next root casting alloy in lightweight cylinder strand material 9, first vertically import running roller 2 then, the second vertical running roller 3 that imports, first level imports running roller 4, second level imports running roller 5 and also gets back to the home position; The casting alloy in lightweight cylinder strand material 9 that squeezes out at the discharging port 6-2 of angle, isometrical road extrusion die 6 is derived running roller 7 and 8 derivation of second level derivation running roller by first level simultaneously;
The 4th step: return first step, next root casting alloy in lightweight cylinder strand material 9 is carried out extrusion process.
Claims (4)
1, cast the continuous preparation device of alloy in lightweight semi-solid blank, vertically importing running roller (2), the second vertical importing running roller (3), first level importing running roller (4), second level importing running roller (5), angle, isometrical road extrusion die (6), first level derivation running roller (7), second level derive running roller (8), base (10) is formed by the oil cylinder of exerting pressure (1), first to it is characterized in that it; The left end face of oil cylinder (1) of exerting pressure is connected on its right end face of support (10-5) in left side, base (10) upper surface, the first vertical rotating shaft (2-1) that imports running roller (2) realizes being rotationally connected of vertical direction by the connecting rod (2-2) and the axle (10-1-1) of support (10-1) upper end of base (10) upper surface left side central portion, the second vertical rotating shaft (3-1) that imports running roller (3) realizes being rotationally connected of vertical direction by the connecting rod (3-2) and the axle (10-1-2) at support (10-1) middle part, the rotating shaft (4-1) that first level imports running roller (4) realizes being rotationally connected of fore-and-aft direction by the connecting rod (4-2) and the axle (10-2-1) of support (10-2) upper end one side of base (10) upper surface right side central, the rotating shaft (5-1) that second level imports running roller (5) realizes that by the connecting rod (5-2) and the axle (10-2-2) of support (10-2) upper end opposite side fore-and-aft direction is rotationally connected, the rotating shaft (7-1) that first level derives running roller (7) realizes being rotationally connected of left and right directions by the connecting rod (7-2) and the axle (10-3-1) of support (10-3) upper end one side of base (10) lower right side, upper surface, the rotating shaft (8-1) that second level derives running roller (8) realizes being rotationally connected of left and right directions by the connecting rod (8-2) and the axle (10-3-2) of support (10-3) upper end opposite side, the bottom face of angle, isometrical road extrusion die (6) is connected on the upper surface of support (10-4) of base (10) upper right side, upper surface, the axial line of angle, isometrical road extrusion die (6) charging port (6-1), the axial line of oil cylinder (1) force-transmitting piston bar (1-1) of exerting pressure overlaps, the axial line of force-transmitting piston bar (1-1) passes between the periphery of the periphery running roller of vertical importing with second (3) of the first vertical importing running roller (2), the axial line of force-transmitting piston bar (1-1) imports running roller (4) in first level periphery and second level import between the periphery of running roller (5) and pass, and the axial line of the discharging port (6-2) of angle, isometrical road extrusion die (6) is derived in first level between the periphery of the periphery of running roller (7) and second level derivation running roller (8) and passed.
2, the continuous preparation device of casting alloy in lightweight semi-solid blank according to claim 1, it is vertical mutually to it is characterized in that the first vertical axial line that imports running roller (2), the second vertical axial line that imports running roller (3) and first level import the axial line of the axial line of running roller (4), second level importing running roller (5); First level derives the axial line of running roller (7), axial line and the axial line of first level importing running roller (4), the axial line that second level imports running roller (5) that second level derives running roller (8) is parallel to each other.
3, the continuous preparation device of casting alloy in lightweight semi-solid blank according to claim 1 is characterized in that angle, isometrical road extrusion die (6) is made up of patrix (6-3), counterdie (6-4); Have right angle groove (6-3-1) on the lower surface of patrix (6-3), the cross section of right angle groove (6-3-1) is semicircle, has right angle groove (6-4-1) on the upper surface of counterdie (6-4), and the cross section of right angle groove (6-4-1) is semicircle; The lower surface of patrix (6-3) connects the upper surface of counterdie (6-4), and make the right angle groove (6-3-1) on patrix (6-3) lower surface identical mutually, and then be combined to form a complete isometrical right angle pylone with the right angle groove (6-4-1) on counterdie (6-4) upper surface.
4, the continuous preparation method of casting alloy in lightweight semi-solid blank is characterized in that its continuous preparation method's step is:
First step: diameter be 80mm～150mm, length be the end apical grafting of casting alloy in lightweight cylinder strand material (9) of 500mm～1000mm on the termination, right side of the force-transmitting piston bar (1-1) of the oil cylinder of exerting pressure (1), the other end of casting alloy in lightweight cylinder strand material (9) is placed in the charging port (6-1) of angle, isometrical road extrusion die (6); Make the middle part that casts close oil cylinder (1) one side of exerting pressure of alloy in lightweight cylinder strand material (9) be clipped in first and vertically import between running roller (2) running roller of vertical importing with second (3), the middle part of the close angle, isometrical road of casting alloy in lightweight cylinder strand material (9) extrusion die (6) one sides is clipped between first level importing running roller (4) and second level importing running roller (5);
Second step: start oil cylinder (1) work of exerting pressure, start the first vertical running roller (2) that imports, the second vertical running roller (3) that imports, first level imports running roller (4), second level imports running roller (5), first level derives running roller (7), second level derives running roller (8) and rotates synchronously, the exert pressure force-transmitting piston bar (1-1) of oil cylinder (1), the first vertical running roller (2) that imports, the second vertical running roller (3) that imports, first level imports running roller (4), second level imports running roller (5) and will cast jointly in the charging port (6-1) that alloy in lightweight cylinder strand material (9) heads into angle, isometrical road extrusion die (6), casting alloy in lightweight cylinder strand material (9) is extruded from the discharging port (6-2) of angle, isometrical road extrusion die (6), derived between running roller (7) and second level derivation running roller (8) by its casting alloy in lightweight cylinder strand material (9) that squeezes out first level that is sandwiched in;
Third step: in the process in the force-transmitting piston bar (1-1) of the oil cylinder of exerting pressure (1) will be cast the charging port (6-1) that alloy in lightweight cylinder strand material (9) heads into angle, isometrical road extrusion die (6), when the vertical importing in the termination of force-transmitting piston bar (1-1) running roller (2) with first, second vertical import between the running roller (3) be 150mm～200mm apart from length the time, the first vertical running roller (2) that imports, the second vertical running roller (3) that imports all leaves casting alloy in lightweight cylinder strand material (9), force-transmitting piston bar (1-1) moves forward, termination and first level importing running roller (4) when force-transmitting piston bar (1-1), second level import between the running roller (5) be 150mm～200mm apart from length the time, first level imports running roller (4), second level imports running roller (5) and all leaves casting alloy in lightweight cylinder strand material (9), force-transmitting piston bar (1-1) moves forward, when being 60mm～100mm apart from length between the charging port (6-1) of the termination of force-transmitting piston bar (1-1) and angle, isometrical road extrusion die (6), force-transmitting piston bar (1-1) Yan Yuanlu is fed back into and opens the beginning position, and put into next root casting alloy in lightweight cylinder strand material (9), first vertically import running roller (2) then, the second vertical running roller (3) that imports, first level imports running roller (4), second level imports running roller (5) and also gets back to the home position; Simultaneously the casting alloy in lightweight cylinder strand material (9) that squeezes out at the discharging port (6-2) of angle, isometrical road extrusion die (6) is derived running roller (7) by first level derives running roller (8) with second level and derives;
The 4th step: return first step, next root casting alloy in lightweight cylinder strand material (9) is carried out extrusion process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100102326A CN100336619C (en) | 2005-07-29 | 2005-07-29 | Continuous preparation facilities for casting semisolid blank made from alloy in lightweight |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100102326A CN100336619C (en) | 2005-07-29 | 2005-07-29 | Continuous preparation facilities for casting semisolid blank made from alloy in lightweight |
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| CN1727089A true CN1727089A (en) | 2006-02-01 |
| CN100336619C CN100336619C (en) | 2007-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100102326A Expired - Fee Related CN100336619C (en) | 2005-07-29 | 2005-07-29 | Continuous preparation facilities for casting semisolid blank made from alloy in lightweight |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371285A (en) * | 2011-06-03 | 2012-03-14 | 北京理工大学 | Technology for preparing gradient material by swinging extrusion |
| CN110954563A (en) * | 2019-12-10 | 2020-04-03 | 北京航空航天大学 | Device and method for in-situ observation of rheological behavior of semi-solid metal alloy |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CH621948A5 (en) * | 1977-07-12 | 1981-03-13 | Alusuisse | |
| AU2198600A (en) * | 1999-01-26 | 2000-08-07 | Spx Corporation | Alloy for semi-solid casting process |
| JP2000263213A (en) * | 1999-03-12 | 2000-09-26 | Furukawa Electric Co Ltd:The | Roll type semi-solid working method and working apparatus therefor |
| US20050056394A1 (en) * | 2002-01-31 | 2005-03-17 | Tht Presses Inc. | Semi-solid molding method and apparatus |
| US20030141033A1 (en) * | 2002-01-31 | 2003-07-31 | Tht Presses Inc. | Semi-solid molding method |
| CN1470344A (en) * | 2003-07-07 | 2004-01-28 | 北京科技大学 | High-smelting-point semi-solid metal sizing-material continuous preparation process and apparatus |
| CN1194831C (en) * | 2003-08-08 | 2005-03-30 | 北京交通大学 | Method and equipment for preparing semisolid fused mass of ferrous material |
| CN1587422A (en) * | 2004-07-14 | 2005-03-02 | 钢铁研究总院 | High strength austenite steel crystal fining method and miter angle extruding deforming mould |
| CN1276812C (en) * | 2004-09-29 | 2006-09-27 | 哈尔滨工业大学 | Metal semi-solid double controlled shaping method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371285A (en) * | 2011-06-03 | 2012-03-14 | 北京理工大学 | Technology for preparing gradient material by swinging extrusion |
| CN110954563A (en) * | 2019-12-10 | 2020-04-03 | 北京航空航天大学 | Device and method for in-situ observation of rheological behavior of semi-solid metal alloy |
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| CN100336619C (en) | 2007-09-12 |
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