CN102226257B - Preparation method of niobium or niobium alloy filament enhanced titanium aluminum alloy cast - Google Patents
Preparation method of niobium or niobium alloy filament enhanced titanium aluminum alloy cast Download PDFInfo
- Publication number
- CN102226257B CN102226257B CN201110160905A CN201110160905A CN102226257B CN 102226257 B CN102226257 B CN 102226257B CN 201110160905 A CN201110160905 A CN 201110160905A CN 201110160905 A CN201110160905 A CN 201110160905A CN 102226257 B CN102226257 B CN 102226257B
- Authority
- CN
- China
- Prior art keywords
- niobium
- alloy
- wax
- titanium aluminum
- aluminum alloy
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Mold Materials And Core Materials (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
A preparation method of niobium or niobium alloy filament enhanced titanium aluminum alloy cast relates to a preparation method filament enhanced titanium aluminum alloy composite. The invention solves technical problems in prior art that in a fusion casting, an applied reinforcement filament can not be added effectively; in a solid lamination method, a shaped part can not be prepared directly; and manufacture costs are high. Method one: filaments are fixed in a wax injection mould, then wax is injected, and an obtained wax mould and a cast gate wax rod are formed in to a centrifugal casting mould group; a shell is obtained through paint coating, sand staining, de-waxing and roasting, and then a cast is obtained after centrifugal casting. Method two: the wax mould, the cast gate wax rod and a technology wax block are formed into a centrifugal casting mould group; a shell with preformed holes is obtained after paint coating, sand staining, de-waxing and roasting; the filaments are clamped by fixing clamps on the ends to prepare a prefabricated section; the prefabricated section is put in a cavity; and a cast is obtained after centrifugal casting. The method is suitable for preparation of enhanced titanium aluminum alloy cast.
Description
Technical field
The present invention relates to the preparation method that long filament strengthens the titanium aluminum alloy matrix material.
Background technology
The high-performance of titanium base alloy plays an important role in Aeronautics and Astronautics industry always.Along with the progress and the science and technology development of society, the performance requriements to titanium alloy material on the engineering is increasingly high, and conventional titanium alloy can not satisfy the requirement of future development.The appearance of titanium aluminum alloy hopes that to people this alloy has the potential application on the high-temperature engine parts, but the deadly defect of titanium aluminum alloy is low toughness.In order to overcome this shortcoming, people's sight has all been invested titanium aluminum alloy composite study and exploitation recently.Because the titanium aluminum alloy melting must be carried out in vacuum and special protection atmosphere with casting; Lacking effective means joins the enhancing body that adds in the titanium aluminum alloy matrix; So still can not strengthen a titanium base foundry goods by the approach preparation silk through melting and casting, at present, for long filament as strengthening body; Can only realize preparation titanium aluminum alloy matrix material through the solid layer platen press; The solid layer platen press is to be rolled into the pool material to titanium and alloy cast ingot thereof through operation repeatedly, will add to strengthen body and be clipped between the pool material and become sandwich-like, and then be pressed into matrix material through the condition of high temperature.The solid layer platen press only is fit to the matrix material of preparation simple shape, can not directly prepare profiled member, and manufacturing cost is expensive.
Summary of the invention
The present invention will solve when type strengthening the titanium aluminum matrix composite through founding approach preparation silk, adds to strengthen the body silk and can't effectively add with the solid layer platen press and can not directly prepare profiled member, and the expensive technical problem of manufacturing cost.And provide niobium or niobium alloy long filament to strengthen the preparation method of Ti-Al alloy cast.
The preparation method that niobium of the present invention or niobium alloy long filament strengthen Ti-Al alloy cast carries out according to the following steps: one, clamp the end of niobium or niobium alloy long filament with the technology loose piece pattern, niobium or niobium alloy long filament are fixed on penetrate in wax-pattern tool (3) die cavity; Two, penetrate the injection of fused wax material in the die cavity of wax-pattern tool, after wax material solidified, the technology loose piece pattern was removed in die sinking, obtains wax-pattern, and the end of niobium or niobium alloy long filament is exposed at the wax-pattern outside surface; Three, the wax-pattern and the cast gate rod wax of step 2 preparation are formed the centrifugal casting module; Four, on the centrifugal casting module, be coated with and hang coating and be stained with sand, make to expose to be covered by dope layer and to be stained with in the layer of sand, then through dewaxing, after the roasting, obtaining shell at the niobium on wax-pattern surface or the end of niobium alloy long filament; Five, the shell that step 4 is obtained is assembled on the centrifugal casting machine of vacuum melting furnace, vacuumizes earlier, restarts power supply melting titanium aluminum alloy; After treating that the titanium aluminum alloy melting is accomplished; Pour in the shell through cast gate, under action of centrifugal force, the titanium aluminum alloy liquation injected in the die cavity of shell, treat that the titanium aluminum alloy liquation solidifies cooling after; Remove shell, obtain niobium or niobium alloy long filament and strengthen Ti-Al alloy cast.
The preparation method that niobium of the present invention or niobium alloy long filament strengthen titanium aluminum alloy matrix material or foundry goods can also carry out according to the following steps: one, the fused wax material is injected and penetrate in the die cavity of wax-pattern tool; After wax material solidifies; The wax-pattern consistent with the foundry goods shape prepared in die sinking; Two, be assembled into the centrifugal casting module to wax-pattern, cast gate rod wax and the technology wax stone of step 1 preparation, the technology wax stone places the end of wax-pattern; Three, on the centrifugal casting module, successively be coated with and hang coating and be stained with sand, after dewaxing, roasting, prepare the shell that has pocket then; Four, block the end to niobium or niobium alloy long filament with fixed chuck, obtain prefabricated section; Five, the prefabricated section that step 4 is obtained is placed in the shell through the pocket of shell, blocks pocket and prefabricated section is fixed with the graphite material plug, obtains ceramic shell; Six, the shell that step 5 is obtained is assembled on the centrifugal casting machine of titanium aluminum alloy vacuum melting furnace; Vacuumize, the melting titanium aluminum alloy, treat that the titanium aluminum alloy melting is accomplished after, pour in the shell through cast gate; Under action of centrifugal force, the titanium aluminum alloy liquation is injected in the die cavity of shell; After treating that liquation solidifies cooling, remove shell, obtain niobium or niobium alloy long filament and strengthen Ti-Al alloy cast.
The present invention strengthens body outward with metal niobium or niobium alloy long filament; By designing requirement; Making ceramic shell to the niobium that is fit to or niobium alloy long filament and dewax fusible pattern precision through technology loose piece pattern or fixed chuck combines; Make this long filament uniform distribution, be arranged in the ceramic die cavity, prepare special-purpose investment cast ceramic shell.Be placed on the dedicated ceramic shell on the centrifugal casting machine of vacuum melting furnace again; The titanium aluminum alloy liquation of accomplishing melting then pours in the ceramic shell, utilizes action of centrifugal force to force metal liquid to flow into fast in the ceramic die cavity, and is filled in the gap between silk and the silk; Make titanium aluminum alloy liquid envelope niobium or niobium alloy long filament; And compound be one, after the titanium aluminum alloy liquation solidifies cooling, remove ceramic shape shell; Clean out foundry goods, accomplished the preparation process that niobium or niobium alloy long filament strengthen Ti-Al alloy cast.
The present invention prepares the titanium aluminum alloy matrix material through the founding approach; Can be effectively add niobium or niobium alloy long filament class and strengthen body and be presented in the titanium aluminum alloy matrix; Realize uniform distribution, reach good compound purpose, and the present invention is in titanium aluminum alloy liquid molding process, directly strengthen body to niobium or niobium alloy long filament and add and be prepared into or foundry goods; Can greatly reduce manufacturing cost; The matrix material that not only can prepare simple shape, directly the baroque profiled member of preparation is applied widely.
Description of drawings
Fig. 1 is that niobium or the niobium alloy long filament in embodiment one step 1 is fixed on the synoptic diagram of penetrating wax-pattern tool inner chamber, and 1 is niobium or niobium alloy long filament among Fig. 1, and 2 is the technology loose piece pattern, and 3 for penetrating the wax-pattern tool; Fig. 2 is the wax-pattern synoptic diagram for preparing in embodiment one step 2, and 1 is niobium or niobium alloy long filament, and 4 is wax-pattern; Fig. 3 is the centrifugal casting module synoptic diagram of forming in embodiment one step 3, and 1 is niobium or niobium alloy long filament, and 4 is wax-pattern, and 5 is the cast gate rod wax; Fig. 4 is the shell synoptic diagram that obtains in embodiment one step 4, and 1 is niobium or niobium alloy long filament among the figure, and 6 is die cavity, and 7 is cast gate; Fig. 5 is that niobium or the niobium alloy long filament that embodiment one obtains strengthens the Ti-Al alloy cast synoptic diagram; Fig. 6 is that wax material injects the synoptic diagram of penetrating the wax-pattern tool in embodiment five step 1, and 8 for penetrating the wax-pattern tool, and 9 is wax material; Fig. 7 is the wax-pattern of embodiment five step 1 preparation; 10 is wax-pattern among the figure; Fig. 8 is the centrifugal casting module synoptic diagram of embodiment five step 2 preparation, and 10 is wax-pattern among the figure, and 11 is the cast gate rod wax, and 12 is the technology wax stone; Fig. 9 is the shell that has pocket of embodiment five step 3 preparation, and 13 is pocket among the figure, and 14 is die cavity, and 15 is cast gate; Figure 10 is the prefabricated section synoptic diagram of embodiment five step 4 preparation, and 16 is niobium or niobium alloy long filament among the figure, and 17 is fixed chuck; Figure 11 is the ceramic shell synoptic diagram of embodiment five step 5 preparation, and 16 is niobium or niobium alloy long filament among the figure, and 18 is cast gate, and 14 is die cavity, and 19 is the graphite material plug; Figure 12 is that the niobium or the niobium alloy long filament of embodiment five step 5 preparation strengthens the Ti-Al alloy cast synoptic diagram.
Embodiment
Embodiment one: the preparation method that the niobium of (please refer to accompanying drawing 1 to 5) this embodiment or niobium alloy long filament strengthen Ti-Al alloy cast carries out according to the following steps: one, clamp the end of niobium or niobium alloy long filament 1 with technology loose piece pattern 2, niobium or niobium alloy long filament 1 are fixed on penetrate in wax-pattern tool 3 die cavitys; Two, penetrate the injection of fused wax material in the die cavity of wax-pattern tool 3, after wax material solidified, technology loose piece pattern 2 was removed in die sinking, obtains wax-pattern 4, and the end of niobium or niobium alloy long filament 1 is exposed at wax-pattern 4 outside surfaces; Three, the wax-pattern 4 of step 2 preparation is formed the centrifugal casting module with cast gate rod wax 5; Four, on the centrifugal casting module, be coated with and hang coating and be stained with sand, make to expose to be covered by dope layer and to be stained with in the layer of sand, then through dewaxing, after the roasting, obtaining shell at the niobium on wax-pattern 4 surfaces or the end of niobium alloy silk 1; Five, the shell that step 4 is obtained is assembled on the centrifugal casting machine of vacuum melting furnace, vacuumizes earlier, restarts power supply melting titanium aluminum alloy; After treating that the titanium aluminum alloy melting is accomplished; Pour in the shell through cast gate 7, under action of centrifugal force, the titanium aluminum alloy liquation injected in the die cavity 6 of shell, treat that the titanium aluminum alloy liquation solidifies cooling after; Remove shell, obtain niobium or niobium alloy long filament and strengthen titanium aluminium alloying part.
This embodiment serves as the outer body that strengthens with metal niobium or niobium alloy long filament; By designing requirement; Strengthening body and dewax fusible pattern precision to the niobium that is fit to or niobium alloy long filament through the technology loose piece pattern makes ceramic shell and combines; Make this long filament uniform distribution, be arranged in the ceramic die cavity, prepare special-purpose investment cast ceramic shell.Be placed on the dedicated ceramic shell on the centrifugal casting machine of titanium aluminum alloy vacuum melting furnace again; The titanium aluminum alloy liquid of accomplishing melting then pours in the ceramic shell, utilizes action of centrifugal force to force metal liquid to flow into fast in the ceramic die cavity, and is filled in the gap between silk and the silk; Make titanium aluminum alloy liquid envelope niobium or niobium alloy silk; And compound be one, after titanium aluminum alloy liquid solidifies cooling, remove ceramic shape shell; Clean out foundry goods, accomplished the preparation process that niobium or niobium alloy long filament strengthen the titanium base alloy foundry goods.This embodiment prepares the titanium base alloy foundry goods through the founding approach, can be effectively adds niobium or niobium alloy long filament class to strengthen body and be presented in the titanium matrix, realizes uniform distribution, reaches good compound purpose; And this embodiment is in titanium aluminum alloy liquid molding process; Directly strengthen the body adding to long filament and be prepared into foundry goods, can greatly reduce manufacturing cost, not only can prepare the matrix material of simple shape; Directly the baroque profiled member of preparation is applied widely.
Embodiment two: this embodiment and embodiment one are different is that titanium aluminum alloy in the step 5 is the binary titanium aluminum alloy.Other is identical with embodiment one.
Embodiment three: what this embodiment was different with embodiment one or two is: the titanium aluminum alloy in the step 5 is for adding the polynary titanium aluminum alloy of silicon, niobium, chromium or molybdenum element.Other is identical with embodiment one or two.
Embodiment four: the preparation method that niobium of (please refer to accompanying drawing 1 to 5) this embodiment or niobium alloy long filament strengthen Ti-Al alloy cast carries out according to the following steps: one, clamp the end of niobium silk 1 with technology loose piece pattern 2, niobium silk 1 is fixed on penetrates in wax-pattern tool 3 inner chambers; Two, penetrate the injection of fused wax material in the die cavity of wax-pattern tool 3, after wax material solidified, technology loose piece pattern 2 was removed in die sinking, obtains wax-pattern 4, the end of niobium silk 1 is exposed at wax-pattern 4 outside surfaces, and wax-pattern 4 was consistent with the shape of material that will prepare or foundry goods; Three, the wax-pattern 4 of step 2 preparation is formed the centrifugal casting module with cast gate rod wax 5; Four, on the centrifugal casting module, being coated with and hanging coating and be stained with sand, make the end that exposes at the niobium silk 1 on wax-pattern surface be covered by dope layer and be stained with in the layer of sand, then with the dewaxing of water vapor dewaxing machine, be placed on the shell after dewaxing in the vacuum oven, is 2 * 10 in vacuum tightness
-2Pa, temperature are roasting 60 minutes under 1200 ℃ the condition, accomplish the shell preparation; Five, the shell with the step 4 preparation is assembled on the centrifugal casting machine of vacuum melting furnace, is evacuated to 2 * 10
-2Pa, melting atomic ratio are 1: 1 titanium aluminum alloy; After treating that the titanium aluminum alloy melting is accomplished, be under 1800 ℃ the condition, to pour in the shell melt through cast gate 7 in temperature; Under action of centrifugal force, the titanium aluminum alloy liquation is injected in the die cavity of shell; After treating that the titanium aluminum alloy liquation solidifies cooling, remove shell, obtain the niobium silk and strengthen the titanium base alloy foundry goods.
This embodiment serves as to strengthen body with the niobium silk; By designing requirement; Make ceramic shell to niobium silk that is fit to and dewax fusible pattern precision through the technology loose piece pattern and combine, make this niobium long filament uniform distribution, be arranged in the ceramic die cavity, prepare the investment cast ceramic shell of special use.Be placed on the dedicated ceramic shell on the centrifugal casting machine of titanium aluminum alloy vacuum melting furnace again; The titanium aluminum alloy liquid of accomplishing melting then pours in the ceramic shell, utilizes action of centrifugal force to force metal liquid to flow into fast in the ceramic die cavity, and is filled in the gap between silk and the silk; Make titanium aluminum alloy liquid envelope silk; And compound be one, after titanium aluminum alloy liquid solidifies cooling, remove ceramic shape shell; Clean out foundry goods, accomplished the preparation process that niobium or niobium alloy long filament strengthen the titanium aluminium base alloy foundry goods.This embodiment prepares the titanium aluminium base alloy matrix material through the founding approach; Can add the enhancing body to long filament effectively is presented in the titanium matrix; Realize uniform distribution, reach good compound purpose; And this embodiment is in titanium aluminum alloy liquid molding process, directly strengthens the body adding to the niobium silk and is prepared into foundry goods, can greatly reduce manufacturing cost.
Embodiment five: the preparation method that niobium of (please refer to accompanying drawing 6 to 12) this embodiment or niobium alloy long filament strengthen Ti-Al alloy cast carries out according to the following steps: one, fused wax material 9 is injected and penetrate in the die cavity of wax-pattern tool 8; After wax material solidifies; The wax-pattern consistent with the foundry goods shape 10 prepared in die sinking; Two, be assembled into the centrifugal casting module to wax-pattern 10, cast gate rod wax 11 and the technology wax stone 12 of step 1 preparation, technology wax stone 12 places the end of wax-pattern 10; Three, on the centrifugal casting module, successively be coated with and hang coating and be stained with sand, after dewaxing, roasting, prepare the shell that has pocket 13 then; Four, block the end to niobium or niobium alloy long filament 16 usefulness fixed chucks 17, obtain prefabricated section; Five, the prefabricated section that step 4 is obtained is placed in the shell through the pocket 13 of shell, blocks pocket 13 and prefabricated section is fixed with graphite material plug 19, obtains ceramic shell; Six, the shell that step 5 is obtained is assembled on the centrifugal casting machine of titanium aluminum alloy vacuum melting furnace; Vacuumize, the melting titanium aluminum alloy, treat that the titanium aluminum alloy melting is accomplished after, pour in the shell through cast gate 18; Under action of centrifugal force, the titanium aluminum alloy liquation is injected in the die cavity 14 of shell; After treating that liquation solidifies cooling, remove shell, obtain niobium or niobium alloy long filament and strengthen Ti-Al alloy cast.
The effect of technology wax stone is occupy-place in this embodiment step 2, forms a fabrication hole, can prefabricated section be put into shell through this fabrication hole.
This embodiment serves as the outer body that strengthens with metal niobium or niobium alloy long filament; By designing requirement; Strengthening body and dewax fusible pattern precision to the long filament that is fit to through fixed chuck makes ceramic shell and combines; Make this long filament uniform distribution, be arranged in the ceramic die cavity, prepare special-purpose investment cast ceramic shell.Be placed on the dedicated ceramic shell on the centrifugal casting machine of titanium aluminum alloy vacuum melting furnace again; The titanium aluminum alloy liquid of accomplishing melting then pours in the ceramic shell; Utilize action of centrifugal force to force metal liquid to flow into fast in the ceramic die cavity, and be filled in the gap between silk and the silk, making titanium aluminum alloy liquid envelope silk also compound is one; After titanium aluminum alloy liquid solidifies cooling; Remove ceramic shape shell, clean out foundry goods, accomplished the preparation process that niobium or niobium alloy long filament strengthen Ti-Al alloy cast.This embodiment prepares Ti-Al alloy cast through the founding approach; Can be effectively add niobium or niobium alloy long filament and strengthen body and be presented in the titanium aluminum substrate; Realize uniform distribution, reach good compound purpose, and this embodiment is in titanium aluminum alloy liquid molding process, directly strengthen body to niobium or niobium alloy long filament and add and be prepared in the foundry goods; Can greatly reduce manufacturing cost; The matrix material that not only can prepare simple shape, directly the baroque profiled member of preparation is applied widely.
Embodiment six: what this embodiment and embodiment five were different is: the titanium aluminum alloy in the step 6 is the binary titanium aluminum alloy.Other is identical with embodiment five.
Embodiment seven: what this embodiment and embodiment five were different is: the titanium aluminum alloy in the step 6 is for adding the polynary titanium aluminum alloy of silicon, niobium, chromium or molybdenum element.Other is identical with embodiment five.
Embodiment eight: the preparation method that niobium of (please refer to accompanying drawing 6 to 12) this embodiment or niobium alloy long filament strengthen Ti-Al alloy cast carries out according to the following steps: one, fused wax material 9 is injected and penetrate in the die cavity of wax-pattern tool 8; After wax material solidifies; The wax-pattern consistent with the foundry goods shape 10 prepared in die sinking; Two, be assembled into the centrifugal casting module to wax-pattern 10, cast gate rod wax 11 and the technology wax stone 12 of step 1 preparation, technology wax stone 12 places the lower end of wax-pattern 10 length directions; Three, on the centrifugal casting module, successively be coated with and hang coating and be stained with sand, then through dewaxing, be roasting 60 minutes under 1200 ℃ the condition in temperature, obtain having the shell of pocket 13; Four, block the end to niobium titanium alloy Nb-50%Ti silk with fixed chuck 17, obtain prefabricated section; Five, the prefabricated section that step 4 is obtained is placed in the shell through the pocket 13 of shell, blocks pocket 13 and prefabricated section is fixed with graphite material plug 19, obtains ceramic shell; Six, the shell that step 5 is obtained is assembled on the centrifugal casting machine of titanium aluminum alloy vacuum melting furnace, is evacuated to 2 * 10
-2Pa, melting atomic percent are that Ti is 55%, Al is 40%, Si is 5% titanium aluminum alloy; After treating that the titanium aluminum alloy melting is accomplished, be under 1800 ℃ the condition, to pour in the shell in temperature through cast gate 18; Under action of centrifugal force, the titanium aluminum alloy liquation is injected in the die cavity 14 of shell; After treating that the titanium aluminum alloy liquation solidifies cooling, remove shell, obtain the niobium titanium alloy long filament and strengthen Ti-Al alloy cast.
This embodiment serves as the outer body that strengthens with the niobium titanium alloy silk; By designing requirement; Strengthening body and dewax fusible pattern precision to the niobium alloy long filament that is fit to through fixed chuck makes ceramic shell and combines; Make this long filament uniform distribution, be arranged in the ceramic die cavity, prepare special-purpose investment cast ceramic shell.Be placed on the dedicated ceramic shell on the centrifugal casting machine of titanium aluminum alloy vacuum melting furnace again; The titanium aluminum alloy liquid of accomplishing melting then pours in the ceramic shell, utilizes action of centrifugal force to force metal liquid to flow into fast in the ceramic die cavity, and is filled in the gap between silk and the silk; Make titanium aluminum alloy liquid envelope silk; And compound be one, after titanium aluminum alloy liquid solidifies cooling, remove ceramic shape shell; Clean out matrix material or foundry goods, accomplished the preparation process of niobium alloy long filament enhancing titanium aluminum alloy composite castings.This embodiment prepares the titanium base alloy matrix material through the founding approach; Can add the enhancing body to the long filament class effectively is presented in the titanium aluminum alloy matrix; Realize uniform distribution, reach good compound purpose, and this embodiment is in titanium aluminum alloy liquid molding process, directly strengthen body to long filament and add and be prepared into matrix material or composite castings; Can greatly reduce manufacturing cost; The matrix material that not only can prepare simple shape, directly the baroque profiled member of preparation is applied widely.
Claims (6)
1. niobium or niobium alloy long filament strengthen the preparation method of Ti-Al alloy cast; It is characterized in that the preparation method that niobium or niobium alloy long filament strengthen Ti-Al alloy cast carries out according to the following steps: one, clamp the end of niobium or niobium alloy long filament (1), niobium or niobium alloy long filament (1) are fixed on penetrate in wax-pattern tool (3) die cavity with technology loose piece pattern (2); Two, penetrate the injection of fused wax material in the die cavity of wax-pattern tool (3), after wax material solidified, technology loose piece pattern (2) was removed in die sinking, obtains wax-pattern (4), and the end of niobium or niobium alloy long filament (1) is exposed at wax-pattern (4) outside surface; Three, the wax-pattern (4) of step 2 preparation is formed the centrifugal casting module with cast gate rod wax (5); Four, on the centrifugal casting module, be coated with and hang coating and be stained with sand, make to expose to be covered by dope layer and to be stained with in the layer of sand, then through dewaxing, after the roasting, obtaining shell at the niobium on wax-pattern (4) surface or the end of niobium alloy silk (1); Five, the shell that step 4 is obtained is assembled on the centrifugal casting machine of vacuum melting furnace, vacuumizes earlier, restarts power supply melting titanium aluminum alloy; After treating that the titanium aluminum alloy melting is accomplished; Pour in the shell through cast gate (7), under action of centrifugal force, the titanium aluminum alloy liquation injected in the die cavity (6) of shell, treat that the titanium aluminum alloy liquation solidifies cooling after; Remove shell, obtain niobium or niobium alloy long filament and strengthen Ti-Al alloy cast.
2. niobium according to claim 1 or niobium alloy long filament strengthen the preparation method of Ti-Al alloy cast, it is characterized in that the titanium aluminum alloy in the step 5 is the binary titanium aluminum alloy.
3. niobium according to claim 1 or niobium alloy long filament strengthen the preparation method of Ti-Al alloy cast, it is characterized in that the titanium aluminum alloy in the step 5 is the polynary titanium aluminum alloy that adds silicon, niobium, chromium or molybdenum element.
4. niobium or niobium alloy long filament strengthen the preparation method of Ti-Al alloy cast; The preparation method who it is characterized in that niobium or niobium alloy long filament enhancing Ti-Al alloy cast carries out according to the following steps: one, fused wax material (9) is injected and penetrate in the die cavity of wax-pattern tool (8); After wax material solidifies; The wax-pattern consistent with the foundry goods shape (10) prepared in die sinking; Two, be assembled into the centrifugal casting module to wax-pattern (10), cast gate rod wax (11) and the technology wax stone (12) of step 1 preparation, technology wax stone (12) places the end of wax-pattern (10); Three, on the centrifugal casting module, successively be coated with and hang coating and be stained with sand, after dewaxing, roasting, prepare the shell that has pocket (13) then; Four, block the end to niobium or niobium alloy long filament (16) with fixed chuck (17), obtain prefabricated section; Five, the prefabricated section that step 4 is obtained is placed in the shell through the pocket (13) of shell, blocks pocket (13) and prefabricated section is fixed with graphite material plug (19), obtains ceramic shell; Six, the shell that step 5 is obtained is assembled on the centrifugal casting machine of titanium aluminum alloy vacuum melting furnace; Vacuumize, the melting titanium aluminum alloy, treat that the titanium aluminum alloy melting is accomplished after, pour in the shell through cast gate (18); Under action of centrifugal force, the titanium aluminum alloy liquation is injected in the die cavity (14) of shell; After treating that liquation solidifies cooling, remove shell, obtain niobium or niobium alloy long filament and strengthen Ti-Al alloy cast.
5. niobium according to claim 4 or niobium alloy long filament strengthen the preparation method of Ti-Al alloy cast, it is characterized in that the titanium aluminum alloy in the step 6 is the binary titanium aluminum alloy.
6. niobium according to claim 4 or niobium alloy long filament strengthen the preparation method of Ti-Al alloy cast, it is characterized in that the titanium aluminum alloy in the step 6 is the polynary titanium aluminum alloy that adds silicon, niobium, chromium or molybdenum element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110160905A CN102226257B (en) | 2011-06-15 | 2011-06-15 | Preparation method of niobium or niobium alloy filament enhanced titanium aluminum alloy cast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110160905A CN102226257B (en) | 2011-06-15 | 2011-06-15 | Preparation method of niobium or niobium alloy filament enhanced titanium aluminum alloy cast |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102226257A CN102226257A (en) | 2011-10-26 |
| CN102226257B true CN102226257B (en) | 2012-09-12 |
Family
ID=44807253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110160905A Expired - Fee Related CN102226257B (en) | 2011-06-15 | 2011-06-15 | Preparation method of niobium or niobium alloy filament enhanced titanium aluminum alloy cast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102226257B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109402426A (en) * | 2018-12-29 | 2019-03-01 | 宝鸡长征金属材料有限公司 | A kind of preparation method of fine grain three-element catalytic vacuum melting TiAl target |
| CN111910136B (en) * | 2020-06-23 | 2021-10-22 | 西安理工大学 | Three-dimensional fiber skeleton toughened metal ceramic and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5876659A (en) * | 1993-06-25 | 1999-03-02 | Hitachi, Ltd. | Process for producing fiber reinforced composite |
| CN101314839A (en) * | 2008-06-13 | 2008-12-03 | 哈尔滨工业大学 | Reinforcement method for continuous filament reinforced metallic matrix composite |
| CN101597726A (en) * | 2009-06-10 | 2009-12-09 | 哈尔滨工业大学 | A kind of method for toughening of Ti-Al series intermetallic compound |
-
2011
- 2011-06-15 CN CN201110160905A patent/CN102226257B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5876659A (en) * | 1993-06-25 | 1999-03-02 | Hitachi, Ltd. | Process for producing fiber reinforced composite |
| CN101314839A (en) * | 2008-06-13 | 2008-12-03 | 哈尔滨工业大学 | Reinforcement method for continuous filament reinforced metallic matrix composite |
| CN101597726A (en) * | 2009-06-10 | 2009-12-09 | 哈尔滨工业大学 | A kind of method for toughening of Ti-Al series intermetallic compound |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102226257A (en) | 2011-10-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103990761B (en) | A kind of production method of hollow turbine vane with impact opening structure | |
| CN103521715B (en) | A kind of preparation method of the titanium or titanium alloy precision casting containing elongated lumens | |
| CN110280717B (en) | Ink-jet bonding three-dimensional printing sand mold titanium alloy casting process | |
| CN111633209B (en) | Steel/aluminum bimetal additive/equal material composite manufacturing method | |
| CA2958128C (en) | Casting with metal components and metal skin layers | |
| CN100464898C (en) | Process for making SiC particle reinforced composite material electronic package shell using semi-soild-state technology | |
| CN104190900A (en) | Method for casting and forming TiAl-based alloy vent valve | |
| CN105057593A (en) | Investment casting technology for copper alloy casting | |
| CN103170600A (en) | Aluminum-silicon alloy brake-separating piece semisolid rheological diecasting forming process | |
| CN102226257B (en) | Preparation method of niobium or niobium alloy filament enhanced titanium aluminum alloy cast | |
| CN103240403B (en) | A kind of surface cast-infiltration technique being applicable to fine copper tuyere cover of blast furnace | |
| CN111203514A (en) | Precision casting method for high-temperature alloy complex thin-wall casting | |
| JP6918507B2 (en) | Casting using a second metal part formed around the first metal part by the hot isostatic pressing method | |
| KR102341178B1 (en) | Manufacturing method for TiAl alloy mechanical parts using horizontal centrifugal casting | |
| CN109351918B (en) | Multi-physical-field composite action micro-component liquid forming method | |
| CN103894546A (en) | Precision casting method for complex casting with concave-convex end | |
| CN105081217B (en) | Machining method of precise casting combined cast of sprue offset casting system | |
| JP2017500485A (en) | Method for manufacturing piston for internal combustion engine | |
| JP7088612B2 (en) | Manufacturing method of ceramic core and manufacturing method of ceramic core for investment casting | |
| CN104609871A (en) | Composite rotor for refining and degassing of molten aluminum and preparation method of composite rotor | |
| CN106475520B (en) | Method of manufacturing precision-cast parts for vehicle exhaust systems | |
| CN114273638A (en) | Low-pressure precision casting method of magnesium alloy thin-wall shell part | |
| CN105861923A (en) | Casting method for seawater-corrosion-resistant composite ball valve body | |
| CN112496262A (en) | Aluminum alloy casting rapid casting process based on SLS technology | |
| CN110450510A (en) | A kind of preparation method of silumin electronic package materials |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120912 Termination date: 20130615 |