CN107502806A - A kind of titanium-aluminium alloy and preparation method thereof - Google Patents
A kind of titanium-aluminium alloy and preparation method thereof Download PDFInfo
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- CN107502806A CN107502806A CN201710997265.7A CN201710997265A CN107502806A CN 107502806 A CN107502806 A CN 107502806A CN 201710997265 A CN201710997265 A CN 201710997265A CN 107502806 A CN107502806 A CN 107502806A
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- titanium
- aluminium alloy
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/0408—Light metal alloys
- C22C1/0416—Aluminium-based alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/045—Alloys based on refractory metals
- C22C1/0458—Alloys based on titanium, zirconium or hafnium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C14/00—Alloys based on titanium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/003—Alloys based on aluminium containing at least 2.6% of one or more of the elements: tin, lead, antimony, bismuth, cadmium, and titanium
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- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a kind of titanium-aluminium alloy, by mass percentage including aluminium powder 41%~45%, titanium valve 45%~48%, niobium powder 7%~8%, boron powder 0.5%~1%, carbon dust 0.5%~1%；The invention also discloses its preparation method, on the basis of existing titanium-aluminium alloy, it with the addition of niobium element, the antioxygenic property of titanium-aluminium alloy is lifted, so as to improve the intensity of titanium-aluminium alloy, with the addition of carbon, also the hardness of titanium-aluminium alloy is effectively improved, easy to operate and preparation technology is simple, the research to titanium-aluminium alloy is very helpful.
Description
Technical field
The invention belongs to field of alloy preparation technology, and in particular to a kind of titanium-aluminium alloy, the invention further relates to titanium aluminium conjunction
The preparation method of gold.
Background technology
Titanium-aluminium alloy was received much concern in alloy field due to the features such as its density is low, antioxygenic property is superior, titanium-aluminium alloy
Due to its superior performance, there is critically important status in fields such as vacuum coating, machine-building, conventional titanium-aluminium alloy is resistance to
The scope of high temperature is within 400 DEG C, it is difficult to meet that more than 400 DEG C of hot environment uses；Change the inoxidizability of titanium-aluminium alloy
Can, its scope of application in high temperature environments is lifted, needs to solve the problems, such as in the research for being current titanium-aluminium alloy.
The content of the invention
It is an object of the invention to provide a kind of titanium-aluminium alloy, effectively improves the Applicable temperature scope of titanium-aluminium alloy, adds
The strong antioxygenic property of titanium-aluminium alloy.
It is a further object to provide a kind of preparation method of titanium-aluminium alloy.
The technical solution adopted in the present invention is a kind of titanium-aluminium alloy, by mass percentage including aluminium powder 41%~45%,
Titanium valve 45%~48%, niobium powder 7%~8%, boron powder 0.5%~2%, carbon dust 0.5%~1%.
Another technical solution of the present invention is a kind of preparation method of titanium-aluminium alloy, is comprised the following steps that：
Step 1, by mass percentage including aluminium powder 41%~45%, titanium valve 45%~48%, niobium powder 7%~8%, boron powder
0.5%~2%, carbon dust 0.5%~1%；
Step 2, each component raw material weighed through step 1 is milled, is then sieved with sieve, obtain each component
Powder；
Step 3, after each component powder obtained through step 2 is mixed evenly, it is added in reaction crucible, then will
Reaction crucible is placed in the reactor, heating, obtains reaction product；
Step 4, the reaction product obtained through step 3 processing is taken out, is cooled to normal temperature, obtains titanium-aluminium alloy.
The method have the characteristics that：
In wherein described step 2, the time milled is 10min~20min；
Sieve used in sieving is the mesh of 600 mesh~800 in wherein described step 2；
In wherein described step 3, the temperature in reactor is 500 DEG C~600 DEG C, and the reaction time is 5min~10min；
The beneficial effects of the invention are as follows：
A kind of titanium-aluminium alloy using the present invention and preparation method thereof, effectively improve the inoxidizability of titanium-aluminium alloy
Energy, the Applicable temperature scope of titanium-aluminium alloy is improved, and the titanium-aluminium alloy of the present invention adds a small amount of carbon, enhances titanium
The hardness of aluminium alloy；Production technology is relatively easy, easy to operate.
Embodiment
With reference to embodiment, the present invention is described in detail.
The invention provides a kind of titanium-aluminium alloy, it includes aluminium powder 41%~45% by mass percentage, and titanium valve 45%~
48%, niobium powder 7%~8%, boron powder 0.5%~2%, carbon dust 0.5%~1%；
Present invention also offers the preparation method of the titanium-aluminium alloy, comprise the following steps that：
Step 1, each component raw material is weighed by mass percentage：Aluminium powder 41%~45%, titanium valve 45%~48%, niobium powder
7%~8%, boron powder 0.5%~2%, carbon dust 0.5%~1%.Step 2, each component raw material weighed through step 1 is ground
10min~20min is ground, is then sieved with the sieve of the mesh of 600 mesh~800, obtains each component powder；
Step 3, after each component powder obtained through step 2 is mixed evenly, it is added in reaction crucible, then will
Reaction crucible is placed in the reactor, and heating, temperature is 500 DEG C~600 DEG C, and the reaction time is 5min~10min, is reacted
Product；
Step 4, the reaction product obtained through step 3 processing is taken out, is cooled to normal temperature, obtains titanium-aluminium alloy.
A kind of titanium-aluminium alloy of the present invention and preparation method thereof, adds a small amount of carbon, effectively in the addition of raw material
The hardness for improving titanium-aluminium alloy, niobium element can lift the intensity of titanium-aluminium alloy.
Embodiment 1
Step 1, each component raw material is weighed by mass percentage：Aluminium powder 41%, titanium valve 48%, niobium powder 8%, boron powder 1%, carbon
Powder 1%；
Step 2, each component raw material weighed through step 1 is subjected to the 20min that mills, then carried out with the sieve of 600 mesh
Sieve, obtains each component powder；
Step 3, after each component powder obtained through step 2 is mixed evenly, it is added in reaction crucible, then will
Reaction crucible is placed in the reactor, and heating, temperature is 500 DEG C, reaction time 10min, obtains reaction product；
Step 4, the reaction product obtained through step 3 processing is taken out, is cooled to normal temperature, obtains a kind of titanium-aluminium alloy.
Embodiment 2
Step 1, each component raw material is weighed by mass percentage：Aluminium powder 45%, titanium valve 45%, niobium powder 8%, boron powder 1%, carbon
Powder 1%；
Step 2, each component raw material weighed through step 1 is subjected to the 10min that mills, then carried out with the sieve of 700 mesh
Sieve, obtains each component powder；
Step 3, after each component powder obtained through step 2 is mixed evenly, it is added in reaction crucible, then will
Reaction crucible is placed in the reactor, and heating, temperature is 550 DEG C, reaction time 8min, obtains reaction product；
Step 4, the reaction product obtained through step 3 processing is taken out, is cooled to normal temperature, obtains titanium-aluminium alloy.
Embodiment 3
Step 1, each component raw material is weighed by mass percentage：Aluminium powder 43%, titanium valve 47%, niobium powder 7%, boron powder 2%, carbon
Powder 1%；
Step 2, each component raw material weighed through step 1 is subjected to the 15min that mills, then carried out with the sieve of 800 mesh
Sieve, obtains each component powder；
Step 3, after each component powder obtained through step 2 is mixed evenly, it is added in reaction crucible, then will
Reaction crucible is placed in the reactor, and heating, temperature is 600 DEG C, reaction time 8min, obtains reaction product；
Step 4, the reaction product obtained through step 3 processing is taken out, is cooled to normal temperature, obtains titanium-aluminium alloy.
Embodiment 4
Step 1, each component raw material is weighed by mass percentage：Aluminium powder 42%, titanium valve 48%, niobium powder 8%, boron powder 1.5%,
Carbon dust 0.5%；
Step 2, each component raw material weighed through step 1 is subjected to the 12min that mills, then carried out with the sieve of 650 mesh
Sieve, obtains each component powder；
Step 3, after each component powder obtained through step 2 is mixed evenly, it is added in reaction crucible, then will
Reaction crucible is placed in the reactor, and heating, temperature is 550 DEG C, reaction time 9min, obtains reaction product；
Step 4, the reaction product obtained through step 3 processing is taken out, is cooled to normal temperature, obtains titanium-aluminium alloy.
Embodiment 5
Step 1, each component raw material is weighed by mass percentage：Aluminium powder 44%, titanium valve 47%, niobium powder 7%, boron powder 1%, carbon
Powder 1%；
Step 2, each component raw material weighed through step 1 is subjected to the 20min that mills, then carried out with the sieve of 800 mesh
Sieve, obtains each component powder；
Step 3, after each component powder obtained through step 2 is mixed evenly, it is added in reaction crucible, then will
Reaction crucible is placed in the reactor, and heating, temperature is 600 DEG C, reaction time 8min, obtains reaction product；
Step 4, the reaction product obtained through step 3 processing is taken out, is cooled to normal temperature, obtains titanium-aluminium alloy.
A kind of titanium-aluminium alloy being prepared using the preparation method of the present invention, is had larger in terms of intensity and hardness
Lifting, make its use range more wide in range, the also research to titanium-aluminium alloy is very helpful.
Claims (5)
- A kind of 1. titanium-aluminium alloy, it is characterised in that by mass percentage including aluminium powder 41%~45%, titanium valve 45%~48%, Niobium powder 7%~8%, boron powder 0.5%~1%, carbon dust 0.5%~1%.
- 2. the preparation method of a kind of titanium-aluminium alloy according to claim 1, it is characterised in that comprise the following steps that：Step 1, each component raw material is weighed by mass percentage：Aluminium powder 41%~45%, titanium valve 45%~48%, niobium powder 7%~ 8%, boron powder 0.5%~1%, carbon dust 0.5%~1%；Step 2, each component raw material weighed through step 1 is milled, then sieved with sieve, obtain each component powder End；Step 3, after each component powder obtained through step 2 is mixed evenly, it is added in reaction crucible, then will reaction Crucible is placed in the reactor, heating, obtains reaction product；Step 4, the reaction product obtained through step 3 processing is taken out, is cooled to normal temperature, obtains titanium-aluminium alloy.
- 3. the preparation method of a kind of titanium-aluminium alloy according to claim 2, it is characterised in that in the step 2, mill Time is 10min~20min.
- A kind of 4. preparation method of titanium-aluminium alloy according to claim 2, it is characterised in that institute of being sieved in the step 2 It is the mesh of 600 mesh~800 with sieve.
- A kind of 5. preparation method of titanium-aluminium alloy according to claim 2, it is characterised in that in the step 3, reactor In temperature be 500 DEG C~600 DEG C, the reaction time is 5min~10min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710997265.7A CN107502806A (en) | 2017-10-24 | 2017-10-24 | A kind of titanium-aluminium alloy and preparation method thereof |
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| CN201710997265.7A CN107502806A (en) | 2017-10-24 | 2017-10-24 | A kind of titanium-aluminium alloy and preparation method thereof |
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| CN107502806A true CN107502806A (en) | 2017-12-22 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103320670A (en) * | 2013-07-01 | 2013-09-25 | 昆山乔锐金属制品有限公司 | High-temperature high-strength titanium-aluminum alloy |
| CN106623903A (en) * | 2016-12-29 | 2017-05-10 | 柳州市凯夕贸易有限公司 | High-temperature-resistant alloy and preparation method thereof |
| CN106636741A (en) * | 2016-11-01 | 2017-05-10 | 太原理工大学 | Preparation method for TiAl alloy bar |
-
2017
- 2017-10-24 CN CN201710997265.7A patent/CN107502806A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103320670A (en) * | 2013-07-01 | 2013-09-25 | 昆山乔锐金属制品有限公司 | High-temperature high-strength titanium-aluminum alloy |
| CN106636741A (en) * | 2016-11-01 | 2017-05-10 | 太原理工大学 | Preparation method for TiAl alloy bar |
| CN106623903A (en) * | 2016-12-29 | 2017-05-10 | 柳州市凯夕贸易有限公司 | High-temperature-resistant alloy and preparation method thereof |
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Application publication date: 20171222 |